/* WIN32.C * * (c) 1995 Microsoft Corporation. All rights reserved. * Developed by hip communications inc., http://info.hip.com/info/ * Portions (c) 1993 Intergraph Corporation. All rights reserved. * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. */ #define PERLIO_NOT_STDIO 0 #define WIN32_LEAN_AND_MEAN #define WIN32IO_IS_STDIO #include #ifdef __GNUC__ #define Win32_Winsock #endif #include /* GCC-2.95.2/Mingw32-1.1 forgot the WINAPI on CommandLineToArgvW() */ #if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1) # include #else LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCommandLine, int * pNumArgs); #endif #include #include #include /* #include "config.h" */ #if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO) #define PerlIO FILE #endif #include #include "EXTERN.h" #include "perl.h" #define NO_XSLOCKS #define PERL_NO_GET_CONTEXT #include "XSUB.h" #include "Win32iop.h" #include #ifndef __GNUC__ /* assert.h conflicts with #define of assert in perl.h */ #include #endif #include #include #include #include #if defined(_MSC_VER) || defined(__MINGW32__) #include #else #include #endif #ifdef __GNUC__ /* Mingw32 defaults to globing command line * So we turn it off like this: */ int _CRT_glob = 0; #endif #if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1) /* Mingw32-1.1 is missing some prototypes */ FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode); FILE * _wfdopen(int nFd, LPCWSTR wszMode); FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream); int _flushall(); int _fcloseall(); #endif #if defined(__BORLANDC__) # define _stat stat # define _utimbuf utimbuf #endif #define EXECF_EXEC 1 #define EXECF_SPAWN 2 #define EXECF_SPAWN_NOWAIT 3 #if defined(PERL_IMPLICIT_SYS) # undef win32_get_privlib # define win32_get_privlib g_win32_get_privlib # undef win32_get_sitelib # define win32_get_sitelib g_win32_get_sitelib # undef win32_get_vendorlib # define win32_get_vendorlib g_win32_get_vendorlib # undef getlogin # define getlogin g_getlogin #endif static void get_shell(void); static long tokenize(const char *str, char **dest, char ***destv); static int do_spawn2(pTHX_ char *cmd, int exectype); static BOOL has_shell_metachars(char *ptr); static long filetime_to_clock(PFILETIME ft); static BOOL filetime_from_time(PFILETIME ft, time_t t); static char * get_emd_part(SV **leading, char *trailing, ...); static void remove_dead_process(long deceased); static long find_pid(int pid); static char * qualified_path(const char *cmd); static char * win32_get_xlib(const char *pl, const char *xlib, const char *libname); #ifdef USE_ITHREADS static void remove_dead_pseudo_process(long child); static long find_pseudo_pid(int pid); #endif START_EXTERN_C HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE; char w32_module_name[MAX_PATH+1]; END_EXTERN_C static DWORD w32_platform = (DWORD)-1; #define ONE_K_BUFSIZE 1024 int IsWin95(void) { return (win32_os_id() == VER_PLATFORM_WIN32_WINDOWS); } int IsWinNT(void) { return (win32_os_id() == VER_PLATFORM_WIN32_NT); } EXTERN_C void set_w32_module_name(void) { char* ptr; GetModuleFileName((HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE) ? GetModuleHandle(NULL) : w32_perldll_handle), w32_module_name, sizeof(w32_module_name)); /* try to get full path to binary (which may be mangled when perl is * run from a 16-bit app) */ /*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/ (void)win32_longpath(w32_module_name); /*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/ /* normalize to forward slashes */ ptr = w32_module_name; while (*ptr) { if (*ptr == '\\') *ptr = '/'; ++ptr; } } /* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */ static char* get_regstr_from(HKEY hkey, const char *valuename, SV **svp) { /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */ HKEY handle; DWORD type; const char *subkey = "Software\\Perl"; char *str = Nullch; long retval; retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle); if (retval == ERROR_SUCCESS) { DWORD datalen; retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen); if (retval == ERROR_SUCCESS && (type == REG_SZ || type == REG_EXPAND_SZ)) { dTHX; if (!*svp) *svp = sv_2mortal(newSVpvn("",0)); SvGROW(*svp, datalen); retval = RegQueryValueEx(handle, valuename, 0, NULL, (PBYTE)SvPVX(*svp), &datalen); if (retval == ERROR_SUCCESS) { str = SvPVX(*svp); SvCUR_set(*svp,datalen-1); } } RegCloseKey(handle); } return str; } /* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */ static char* get_regstr(const char *valuename, SV **svp) { char *str = get_regstr_from(HKEY_CURRENT_USER, valuename, svp); if (!str) str = get_regstr_from(HKEY_LOCAL_MACHINE, valuename, svp); return str; } /* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */ static char * get_emd_part(SV **prev_pathp, char *trailing_path, ...) { char base[10]; va_list ap; char mod_name[MAX_PATH+1]; char *ptr; char *optr; char *strip; STRLEN baselen; va_start(ap, trailing_path); strip = va_arg(ap, char *); sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION); baselen = strlen(base); if (!*w32_module_name) { set_w32_module_name(); } strcpy(mod_name, w32_module_name); ptr = strrchr(mod_name, '/'); while (ptr && strip) { /* look for directories to skip back */ optr = ptr; *ptr = '\0'; ptr = strrchr(mod_name, '/'); /* avoid stripping component if there is no slash, * or it doesn't match ... */ if (!ptr || stricmp(ptr+1, strip) != 0) { /* ... but not if component matches m|5\.$patchlevel.*| */ if (!ptr || !(*strip == '5' && *(ptr+1) == '5' && strncmp(strip, base, baselen) == 0 && strncmp(ptr+1, base, baselen) == 0)) { *optr = '/'; ptr = optr; } } strip = va_arg(ap, char *); } if (!ptr) { ptr = mod_name; *ptr++ = '.'; *ptr = '/'; } va_end(ap); strcpy(++ptr, trailing_path); /* only add directory if it exists */ if (GetFileAttributes(mod_name) != (DWORD) -1) { /* directory exists */ dTHX; if (!*prev_pathp) *prev_pathp = sv_2mortal(newSVpvn("",0)); sv_catpvn(*prev_pathp, ";", 1); sv_catpv(*prev_pathp, mod_name); return SvPVX(*prev_pathp); } return Nullch; } char * win32_get_privlib(const char *pl) { dTHX; char *stdlib = "lib"; char buffer[MAX_PATH+1]; SV *sv = Nullsv; /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */ sprintf(buffer, "%s-%s", stdlib, pl); if (!get_regstr(buffer, &sv)) (void)get_regstr(stdlib, &sv); /* $stdlib .= ";$EMD/../../lib" */ return get_emd_part(&sv, stdlib, ARCHNAME, "bin", Nullch); } static char * win32_get_xlib(const char *pl, const char *xlib, const char *libname) { dTHX; char regstr[40]; char pathstr[MAX_PATH+1]; SV *sv1 = Nullsv; SV *sv2 = Nullsv; /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */ sprintf(regstr, "%s-%s", xlib, pl); (void)get_regstr(regstr, &sv1); /* $xlib .= * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */ sprintf(pathstr, "%s/%s/lib", libname, pl); (void)get_emd_part(&sv1, pathstr, ARCHNAME, "bin", pl, Nullch); /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */ (void)get_regstr(xlib, &sv2); /* $xlib .= * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */ sprintf(pathstr, "%s/lib", libname); (void)get_emd_part(&sv2, pathstr, ARCHNAME, "bin", pl, Nullch); if (!sv1 && !sv2) return Nullch; if (!sv1) return SvPVX(sv2); if (!sv2) return SvPVX(sv1); sv_catpvn(sv1, ";", 1); sv_catsv(sv1, sv2); return SvPVX(sv1); } char * win32_get_sitelib(const char *pl) { return win32_get_xlib(pl, "sitelib", "site"); } #ifndef PERL_VENDORLIB_NAME # define PERL_VENDORLIB_NAME "vendor" #endif char * win32_get_vendorlib(const char *pl) { return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME); } static BOOL has_shell_metachars(char *ptr) { int inquote = 0; char quote = '\0'; /* * Scan string looking for redirection (< or >) or pipe * characters (|) that are not in a quoted string. * Shell variable interpolation (%VAR%) can also happen inside strings. */ while (*ptr) { switch(*ptr) { case '%': return TRUE; case '\'': case '\"': if (inquote) { if (quote == *ptr) { inquote = 0; quote = '\0'; } } else { quote = *ptr; inquote++; } break; case '>': case '<': case '|': if (!inquote) return TRUE; default: break; } ++ptr; } return FALSE; } #if !defined(PERL_IMPLICIT_SYS) /* since the current process environment is being updated in util.c * the library functions will get the correct environment */ PerlIO * Perl_my_popen(pTHX_ char *cmd, char *mode) { #ifdef FIXCMD #define fixcmd(x) { \ char *pspace = strchr((x),' '); \ if (pspace) { \ char *p = (x); \ while (p < pspace) { \ if (*p == '/') \ *p = '\\'; \ p++; \ } \ } \ } #else #define fixcmd(x) #endif fixcmd(cmd); PERL_FLUSHALL_FOR_CHILD; return win32_popen(cmd, mode); } long Perl_my_pclose(pTHX_ PerlIO *fp) { return win32_pclose(fp); } #endif DllExport unsigned long win32_os_id(void) { static OSVERSIONINFO osver; if (osver.dwPlatformId != w32_platform) { memset(&osver, 0, sizeof(OSVERSIONINFO)); osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&osver); w32_platform = osver.dwPlatformId; } return (unsigned long)w32_platform; } DllExport int win32_getpid(void) { int pid; #ifdef USE_ITHREADS dTHX; if (w32_pseudo_id) return -((int)w32_pseudo_id); #endif pid = _getpid(); /* Windows 9x appears to always reports a pid for threads and processes * that has the high bit set. So we treat the lower 31 bits as the * "real" PID for Perl's purposes. */ if (IsWin95() && pid < 0) pid = -pid; return pid; } /* Tokenize a string. Words are null-separated, and the list * ends with a doubled null. Any character (except null and * including backslash) may be escaped by preceding it with a * backslash (the backslash will be stripped). * Returns number of words in result buffer. */ static long tokenize(const char *str, char **dest, char ***destv) { char *retstart = Nullch; char **retvstart = 0; int items = -1; if (str) { dTHX; int slen = strlen(str); register char *ret; register char **retv; New(1307, ret, slen+2, char); New(1308, retv, (slen+3)/2, char*); retstart = ret; retvstart = retv; *retv = ret; items = 0; while (*str) { *ret = *str++; if (*ret == '\\' && *str) *ret = *str++; else if (*ret == ' ') { while (*str == ' ') str++; if (ret == retstart) ret--; else { *ret = '\0'; ++items; if (*str) *++retv = ret+1; } } else if (!*str) ++items; ret++; } retvstart[items] = Nullch; *ret++ = '\0'; *ret = '\0'; } *dest = retstart; *destv = retvstart; return items; } static void get_shell(void) { dTHX; if (!w32_perlshell_tokens) { /* we don't use COMSPEC here for two reasons: * 1. the same reason perl on UNIX doesn't use SHELL--rampant and * uncontrolled unportability of the ensuing scripts. * 2. PERL5SHELL could be set to a shell that may not be fit for * interactive use (which is what most programs look in COMSPEC * for). */ const char* defaultshell = (IsWinNT() ? "cmd.exe /x/d/c" : "command.com /c"); const char *usershell = PerlEnv_getenv("PERL5SHELL"); w32_perlshell_items = tokenize(usershell ? usershell : defaultshell, &w32_perlshell_tokens, &w32_perlshell_vec); } } int Perl_do_aspawn(pTHX_ SV *really, SV **mark, SV **sp) { char **argv; char *str; int status; int flag = P_WAIT; int index = 0; if (sp <= mark) return -1; get_shell(); New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*); if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { ++mark; flag = SvIVx(*mark); } while (++mark <= sp) { if (*mark && (str = SvPV_nolen(*mark))) argv[index++] = str; else argv[index++] = ""; } argv[index++] = 0; status = win32_spawnvp(flag, (const char*)(really ? SvPV_nolen(really) : argv[0]), (const char* const*)argv); if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) { /* possible shell-builtin, invoke with shell */ int sh_items; sh_items = w32_perlshell_items; while (--index >= 0) argv[index+sh_items] = argv[index]; while (--sh_items >= 0) argv[sh_items] = w32_perlshell_vec[sh_items]; status = win32_spawnvp(flag, (const char*)(really ? SvPV_nolen(really) : argv[0]), (const char* const*)argv); } if (flag == P_NOWAIT) { if (IsWin95()) PL_statusvalue = -1; /* >16bits hint for pp_system() */ } else { if (status < 0) { if (ckWARN(WARN_EXEC)) Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno)); status = 255 * 256; } else status *= 256; PL_statusvalue = status; } Safefree(argv); return (status); } /* returns pointer to the next unquoted space or the end of the string */ static char* find_next_space(const char *s) { bool in_quotes = FALSE; while (*s) { /* ignore doubled backslashes, or backslash+quote */ if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) { s += 2; } /* keep track of when we're within quotes */ else if (*s == '"') { s++; in_quotes = !in_quotes; } /* break it up only at spaces that aren't in quotes */ else if (!in_quotes && isSPACE(*s)) return (char*)s; else s++; } return (char*)s; } static int do_spawn2(pTHX_ char *cmd, int exectype) { char **a; char *s; char **argv; int status = -1; BOOL needToTry = TRUE; char *cmd2; /* Save an extra exec if possible. See if there are shell * metacharacters in it */ if (!has_shell_metachars(cmd)) { New(1301,argv, strlen(cmd) / 2 + 2, char*); New(1302,cmd2, strlen(cmd) + 1, char); strcpy(cmd2, cmd); a = argv; for (s = cmd2; *s;) { while (*s && isSPACE(*s)) s++; if (*s) *(a++) = s; s = find_next_space(s); if (*s) *s++ = '\0'; } *a = Nullch; if (argv[0]) { switch (exectype) { case EXECF_SPAWN: status = win32_spawnvp(P_WAIT, argv[0], (const char* const*)argv); break; case EXECF_SPAWN_NOWAIT: status = win32_spawnvp(P_NOWAIT, argv[0], (const char* const*)argv); break; case EXECF_EXEC: status = win32_execvp(argv[0], (const char* const*)argv); break; } if (status != -1 || errno == 0) needToTry = FALSE; } Safefree(argv); Safefree(cmd2); } if (needToTry) { char **argv; int i = -1; get_shell(); New(1306, argv, w32_perlshell_items + 2, char*); while (++i < w32_perlshell_items) argv[i] = w32_perlshell_vec[i]; argv[i++] = cmd; argv[i] = Nullch; switch (exectype) { case EXECF_SPAWN: status = win32_spawnvp(P_WAIT, argv[0], (const char* const*)argv); break; case EXECF_SPAWN_NOWAIT: status = win32_spawnvp(P_NOWAIT, argv[0], (const char* const*)argv); break; case EXECF_EXEC: status = win32_execvp(argv[0], (const char* const*)argv); break; } cmd = argv[0]; Safefree(argv); } if (exectype == EXECF_SPAWN_NOWAIT) { if (IsWin95()) PL_statusvalue = -1; /* >16bits hint for pp_system() */ } else { if (status < 0) { if (ckWARN(WARN_EXEC)) Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s", (exectype == EXECF_EXEC ? "exec" : "spawn"), cmd, strerror(errno)); status = 255 * 256; } else status *= 256; PL_statusvalue = status; } return (status); } int Perl_do_spawn(pTHX_ char *cmd) { return do_spawn2(aTHX_ cmd, EXECF_SPAWN); } int Perl_do_spawn_nowait(pTHX_ char *cmd) { return do_spawn2(aTHX_ cmd, EXECF_SPAWN_NOWAIT); } bool Perl_do_exec(pTHX_ char *cmd) { do_spawn2(aTHX_ cmd, EXECF_EXEC); return FALSE; } /* The idea here is to read all the directory names into a string table * (separated by nulls) and when one of the other dir functions is called * return the pointer to the current file name. */ DllExport DIR * win32_opendir(char *filename) { dTHX; DIR *dirp; long len; long idx; char scanname[MAX_PATH+3]; Stat_t sbuf; WIN32_FIND_DATAA aFindData; WIN32_FIND_DATAW wFindData; HANDLE fh; char buffer[MAX_PATH*2]; WCHAR wbuffer[MAX_PATH+1]; char* ptr; len = strlen(filename); if (len > MAX_PATH) return NULL; /* check to see if filename is a directory */ if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode)) return NULL; /* Get us a DIR structure */ Newz(1303, dirp, 1, DIR); /* Create the search pattern */ strcpy(scanname, filename); /* bare drive name means look in cwd for drive */ if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') { scanname[len++] = '.'; scanname[len++] = '/'; } else if (scanname[len-1] != '/' && scanname[len-1] != '\\') { scanname[len++] = '/'; } scanname[len++] = '*'; scanname[len] = '\0'; /* do the FindFirstFile call */ if (USING_WIDE()) { A2WHELPER(scanname, wbuffer, sizeof(wbuffer)); fh = FindFirstFileW(PerlDir_mapW(wbuffer), &wFindData); } else { fh = FindFirstFileA(PerlDir_mapA(scanname), &aFindData); } dirp->handle = fh; if (fh == INVALID_HANDLE_VALUE) { DWORD err = GetLastError(); /* FindFirstFile() fails on empty drives! */ switch (err) { case ERROR_FILE_NOT_FOUND: return dirp; case ERROR_NO_MORE_FILES: case ERROR_PATH_NOT_FOUND: errno = ENOENT; break; case ERROR_NOT_ENOUGH_MEMORY: errno = ENOMEM; break; default: errno = EINVAL; break; } Safefree(dirp); return NULL; } /* now allocate the first part of the string table for * the filenames that we find. */ if (USING_WIDE()) { W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer)); ptr = buffer; } else { ptr = aFindData.cFileName; } idx = strlen(ptr)+1; if (idx < 256) dirp->size = 128; else dirp->size = idx; New(1304, dirp->start, dirp->size, char); strcpy(dirp->start, ptr); dirp->nfiles++; dirp->end = dirp->curr = dirp->start; dirp->end += idx; return dirp; } /* Readdir just returns the current string pointer and bumps the * string pointer to the nDllExport entry. */ DllExport struct direct * win32_readdir(DIR *dirp) { long len; if (dirp->curr) { /* first set up the structure to return */ len = strlen(dirp->curr); strcpy(dirp->dirstr.d_name, dirp->curr); dirp->dirstr.d_namlen = len; /* Fake an inode */ dirp->dirstr.d_ino = dirp->curr - dirp->start; /* Now set up for the next call to readdir */ dirp->curr += len + 1; if (dirp->curr >= dirp->end) { dTHX; char* ptr; BOOL res; WIN32_FIND_DATAW wFindData; WIN32_FIND_DATAA aFindData; char buffer[MAX_PATH*2]; /* finding the next file that matches the wildcard * (which should be all of them in this directory!). */ if (USING_WIDE()) { res = FindNextFileW(dirp->handle, &wFindData); if (res) { W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer)); ptr = buffer; } } else { res = FindNextFileA(dirp->handle, &aFindData); if (res) ptr = aFindData.cFileName; } if (res) { long endpos = dirp->end - dirp->start; long newsize = endpos + strlen(ptr) + 1; /* bump the string table size by enough for the * new name and its null terminator */ while (newsize > dirp->size) { long curpos = dirp->curr - dirp->start; dirp->size *= 2; Renew(dirp->start, dirp->size, char); dirp->curr = dirp->start + curpos; } strcpy(dirp->start + endpos, ptr); dirp->end = dirp->start + newsize; dirp->nfiles++; } else dirp->curr = NULL; } return &(dirp->dirstr); } else return NULL; } /* Telldir returns the current string pointer position */ DllExport long win32_telldir(DIR *dirp) { return (dirp->curr - dirp->start); } /* Seekdir moves the string pointer to a previously saved position * (returned by telldir). */ DllExport void win32_seekdir(DIR *dirp, long loc) { dirp->curr = dirp->start + loc; } /* Rewinddir resets the string pointer to the start */ DllExport void win32_rewinddir(DIR *dirp) { dirp->curr = dirp->start; } /* free the memory allocated by opendir */ DllExport int win32_closedir(DIR *dirp) { dTHX; if (dirp->handle != INVALID_HANDLE_VALUE) FindClose(dirp->handle); Safefree(dirp->start); Safefree(dirp); return 1; } /* * various stubs */ /* Ownership * * Just pretend that everyone is a superuser. NT will let us know if * we don\'t really have permission to do something. */ #define ROOT_UID ((uid_t)0) #define ROOT_GID ((gid_t)0) uid_t getuid(void) { return ROOT_UID; } uid_t geteuid(void) { return ROOT_UID; } gid_t getgid(void) { return ROOT_GID; } gid_t getegid(void) { return ROOT_GID; } int setuid(uid_t auid) { return (auid == ROOT_UID ? 0 : -1); } int setgid(gid_t agid) { return (agid == ROOT_GID ? 0 : -1); } char * getlogin(void) { dTHX; char *buf = w32_getlogin_buffer; DWORD size = sizeof(w32_getlogin_buffer); if (GetUserName(buf,&size)) return buf; return (char*)NULL; } int chown(const char *path, uid_t owner, gid_t group) { /* XXX noop */ return 0; } /* * XXX this needs strengthening (for PerlIO) * -- BKS, 11-11-200 */ int mkstemp(const char *path) { dTHX; char buf[MAX_PATH+1]; int i = 0, fd = -1; retry: if (i++ > 10) { /* give up */ errno = ENOENT; return -1; } if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) { errno = ENOENT; return -1; } fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600); if (fd == -1) goto retry; return fd; } static long find_pid(int pid) { dTHX; long child = w32_num_children; while (--child >= 0) { if ((int)w32_child_pids[child] == pid) return child; } return -1; } static void remove_dead_process(long child) { if (child >= 0) { dTHX; CloseHandle(w32_child_handles[child]); Move(&w32_child_handles[child+1], &w32_child_handles[child], (w32_num_children-child-1), HANDLE); Move(&w32_child_pids[child+1], &w32_child_pids[child], (w32_num_children-child-1), DWORD); w32_num_children--; } } #ifdef USE_ITHREADS static long find_pseudo_pid(int pid) { dTHX; long child = w32_num_pseudo_children; while (--child >= 0) { if ((int)w32_pseudo_child_pids[child] == pid) return child; } return -1; } static void remove_dead_pseudo_process(long child) { if (child >= 0) { dTHX; CloseHandle(w32_pseudo_child_handles[child]); Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child], (w32_num_pseudo_children-child-1), HANDLE); Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child], (w32_num_pseudo_children-child-1), DWORD); w32_num_pseudo_children--; } } #endif DllExport int win32_kill(int pid, int sig) { dTHX; HANDLE hProcess; long child; int retval; #ifdef USE_ITHREADS if (pid < 0) { /* it is a pseudo-forked child */ child = find_pseudo_pid(-pid); if (child >= 0) { hProcess = w32_pseudo_child_handles[child]; switch (sig) { case 0: /* "Does process exist?" use of kill */ return 0; case 9: /* kill -9 style un-graceful exit */ if (TerminateThread(hProcess, sig)) { remove_dead_pseudo_process(child); return 0; } break; default: /* We fake signals to pseudo-processes using Win32 * message queue. In Win9X the pids are negative already. */ if (PostThreadMessage(IsWin95() ? pid : -pid,WM_USER,sig,0)) { /* It might be us ... */ PERL_ASYNC_CHECK(); return 0; } break; } } else if (IsWin95()) { pid = -pid; goto alien_process; } } else #endif { child = find_pid(pid); if (child >= 0) { hProcess = w32_child_handles[child]; switch(sig) { case 0: /* "Does process exist?" use of kill */ return 0; case 2: if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid)) return 0; break; case SIGBREAK: case SIGTERM: if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT,pid)) return 0; break; default: /* For now be backwards compatible with perl5.6 */ case 9: if (TerminateProcess(hProcess, sig)) { remove_dead_process(child); return 0; } break; } } else { alien_process: retval = -1; hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE, (IsWin95() ? -pid : pid)); if (hProcess) { switch(sig) { case 0: /* "Does process exist?" use of kill */ retval = 0; break; case 2: if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid)) retval = 0; break; case SIGBREAK: case SIGTERM: if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT,pid)) retval = 0; break; default: /* For now be backwards compatible with perl5.6 */ case 9: if (TerminateProcess(hProcess, sig)) retval = 0; break; } } CloseHandle(hProcess); if (retval == 0) return 0; } } errno = EINVAL; return -1; } DllExport int win32_stat(const char *path, Stat_t *sbuf) { dTHX; char buffer[MAX_PATH+1]; int l = strlen(path); int res; WCHAR wbuffer[MAX_PATH+1]; WCHAR* pwbuffer; HANDLE handle; int nlink = 1; if (l > 1) { switch(path[l - 1]) { /* FindFirstFile() and stat() are buggy with a trailing * backslash, so change it to a forward slash :-( */ case '\\': if (l >= sizeof(buffer)) { errno = ENAMETOOLONG; return -1; } strncpy(buffer, path, l-1); buffer[l - 1] = '/'; buffer[l] = '\0'; path = buffer; break; /* FindFirstFile() is buggy with "x:", so add a dot :-( */ case ':': if (l == 2 && isALPHA(path[0])) { buffer[0] = path[0]; buffer[1] = ':'; buffer[2] = '.'; buffer[3] = '\0'; l = 3; path = buffer; } break; } } /* We *must* open & close the file once; otherwise file attribute changes */ /* might not yet have propagated to "other" hard links of the same file. */ /* This also gives us an opportunity to determine the number of links. */ if (USING_WIDE()) { A2WHELPER(path, wbuffer, sizeof(wbuffer)); pwbuffer = PerlDir_mapW(wbuffer); handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL); } else { path = PerlDir_mapA(path); l = strlen(path); handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL); } if (handle != INVALID_HANDLE_VALUE) { BY_HANDLE_FILE_INFORMATION bhi; if (GetFileInformationByHandle(handle, &bhi)) nlink = bhi.nNumberOfLinks; CloseHandle(handle); } /* pwbuffer or path will be mapped correctly above */ if (USING_WIDE()) { #if defined(WIN64) || defined(USE_LARGE_FILES) res = _wstati64(pwbuffer, sbuf); #else res = _wstat(pwbuffer, (struct _stat*)sbuf); #endif } else { #if defined(WIN64) || defined(USE_LARGE_FILES) res = _stati64(path, sbuf); #else res = stat(path, sbuf); #endif } sbuf->st_nlink = nlink; if (res < 0) { /* CRT is buggy on sharenames, so make sure it really isn't. * XXX using GetFileAttributesEx() will enable us to set * sbuf->st_*time (but note that's not available on the * Windows of 1995) */ DWORD r; if (USING_WIDE()) { r = GetFileAttributesW(pwbuffer); } else { r = GetFileAttributesA(path); } if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) { /* sbuf may still contain old garbage since stat() failed */ Zero(sbuf, 1, Stat_t); sbuf->st_mode = S_IFDIR | S_IREAD; errno = 0; if (!(r & FILE_ATTRIBUTE_READONLY)) sbuf->st_mode |= S_IWRITE | S_IEXEC; return 0; } } else { if (l == 3 && isALPHA(path[0]) && path[1] == ':' && (path[2] == '\\' || path[2] == '/')) { /* The drive can be inaccessible, some _stat()s are buggy */ if (USING_WIDE() ? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0) : !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) { errno = ENOENT; return -1; } } #ifdef __BORLANDC__ if (S_ISDIR(sbuf->st_mode)) sbuf->st_mode |= S_IWRITE | S_IEXEC; else if (S_ISREG(sbuf->st_mode)) { int perms; if (l >= 4 && path[l-4] == '.') { const char *e = path + l - 3; if (strnicmp(e,"exe",3) && strnicmp(e,"bat",3) && strnicmp(e,"com",3) && (IsWin95() || strnicmp(e,"cmd",3))) sbuf->st_mode &= ~S_IEXEC; else sbuf->st_mode |= S_IEXEC; } else sbuf->st_mode &= ~S_IEXEC; /* Propagate permissions to _group_ and _others_ */ perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC); sbuf->st_mode |= (perms>>3) | (perms>>6); } #endif } return res; } #define isSLASH(c) ((c) == '/' || (c) == '\\') #define SKIP_SLASHES(s) \ STMT_START { \ while (*(s) && isSLASH(*(s))) \ ++(s); \ } STMT_END #define COPY_NONSLASHES(d,s) \ STMT_START { \ while (*(s) && !isSLASH(*(s))) \ *(d)++ = *(s)++; \ } STMT_END /* Find the longname of a given path. path is destructively modified. * It should have space for at least MAX_PATH characters. */ DllExport char * win32_longpath(char *path) { WIN32_FIND_DATA fdata; HANDLE fhand; char tmpbuf[MAX_PATH+1]; char *tmpstart = tmpbuf; char *start = path; char sep; if (!path) return Nullch; /* drive prefix */ if (isALPHA(path[0]) && path[1] == ':') { start = path + 2; *tmpstart++ = path[0]; *tmpstart++ = ':'; } /* UNC prefix */ else if (isSLASH(path[0]) && isSLASH(path[1])) { start = path + 2; *tmpstart++ = path[0]; *tmpstart++ = path[1]; SKIP_SLASHES(start); COPY_NONSLASHES(tmpstart,start); /* copy machine name */ if (*start) { *tmpstart++ = *start++; SKIP_SLASHES(start); COPY_NONSLASHES(tmpstart,start); /* copy share name */ } } *tmpstart = '\0'; while (*start) { /* copy initial slash, if any */ if (isSLASH(*start)) { *tmpstart++ = *start++; *tmpstart = '\0'; SKIP_SLASHES(start); } /* FindFirstFile() expands "." and "..", so we need to pass * those through unmolested */ if (*start == '.' && (!start[1] || isSLASH(start[1]) || (start[1] == '.' && (!start[2] || isSLASH(start[2]))))) { COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */ *tmpstart = '\0'; continue; } /* if this is the end, bust outta here */ if (!*start) break; /* now we're at a non-slash; walk up to next slash */ while (*start && !isSLASH(*start)) ++start; /* stop and find full name of component */ sep = *start; *start = '\0'; fhand = FindFirstFile(path,&fdata); *start = sep; if (fhand != INVALID_HANDLE_VALUE) { STRLEN len = strlen(fdata.cFileName); if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) { strcpy(tmpstart, fdata.cFileName); tmpstart += len; FindClose(fhand); } else { FindClose(fhand); errno = ERANGE; return Nullch; } } else { /* failed a step, just return without side effects */ /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/ errno = EINVAL; return Nullch; } } strcpy(path,tmpbuf); return path; } DllExport char * win32_getenv(const char *name) { dTHX; WCHAR wBuffer[MAX_PATH+1]; DWORD needlen; SV *curitem = Nullsv; if (USING_WIDE()) { A2WHELPER(name, wBuffer, sizeof(wBuffer)); needlen = GetEnvironmentVariableW(wBuffer, NULL, 0); } else needlen = GetEnvironmentVariableA(name,NULL,0); if (needlen != 0) { curitem = sv_2mortal(newSVpvn("", 0)); if (USING_WIDE()) { SV *acuritem; do { SvGROW(curitem, (needlen+1)*sizeof(WCHAR)); needlen = GetEnvironmentVariableW(wBuffer, (WCHAR*)SvPVX(curitem), needlen); } while (needlen >= SvLEN(curitem)/sizeof(WCHAR)); SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1); acuritem = sv_2mortal(newSVsv(curitem)); W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem)); } else { do { SvGROW(curitem, needlen+1); needlen = GetEnvironmentVariableA(name,SvPVX(curitem), needlen); } while (needlen >= SvLEN(curitem)); SvCUR_set(curitem, needlen); } } else { /* allow any environment variables that begin with 'PERL' to be stored in the registry */ if (strncmp(name, "PERL", 4) == 0) (void)get_regstr(name, &curitem); } if (curitem && SvCUR(curitem)) return SvPVX(curitem); return Nullch; } DllExport int win32_putenv(const char *name) { dTHX; char* curitem; char* val; WCHAR* wCuritem; WCHAR* wVal; int length, relval = -1; if (name) { if (USING_WIDE()) { length = strlen(name)+1; New(1309,wCuritem,length,WCHAR); A2WHELPER(name, wCuritem, length*sizeof(WCHAR)); wVal = wcschr(wCuritem, '='); if (wVal) { *wVal++ = '\0'; if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL)) relval = 0; } Safefree(wCuritem); } else { New(1309,curitem,strlen(name)+1,char); strcpy(curitem, name); val = strchr(curitem, '='); if (val) { /* The sane way to deal with the environment. * Has these advantages over putenv() & co.: * * enables us to store a truly empty value in the * environment (like in UNIX). * * we don't have to deal with RTL globals, bugs and leaks. * * Much faster. * Why you may want to enable USE_WIN32_RTL_ENV: * * environ[] and RTL functions will not reflect changes, * which might be an issue if extensions want to access * the env. via RTL. This cuts both ways, since RTL will * not see changes made by extensions that call the Win32 * functions directly, either. * GSAR 97-06-07 */ *val++ = '\0'; if (SetEnvironmentVariableA(curitem, *val ? val : NULL)) relval = 0; } Safefree(curitem); } } return relval; } static long filetime_to_clock(PFILETIME ft) { __int64 qw = ft->dwHighDateTime; qw <<= 32; qw |= ft->dwLowDateTime; qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */ return (long) qw; } DllExport int win32_times(struct tms *timebuf) { FILETIME user; FILETIME kernel; FILETIME dummy; clock_t process_time_so_far = clock(); if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy, &kernel,&user)) { timebuf->tms_utime = filetime_to_clock(&user); timebuf->tms_stime = filetime_to_clock(&kernel); timebuf->tms_cutime = 0; timebuf->tms_cstime = 0; } else { /* That failed - e.g. Win95 fallback to clock() */ timebuf->tms_utime = process_time_so_far; timebuf->tms_stime = 0; timebuf->tms_cutime = 0; timebuf->tms_cstime = 0; } return process_time_so_far; } /* fix utime() so it works on directories in NT */ static BOOL filetime_from_time(PFILETIME pFileTime, time_t Time) { struct tm *pTM = localtime(&Time); SYSTEMTIME SystemTime; FILETIME LocalTime; if (pTM == NULL) return FALSE; SystemTime.wYear = pTM->tm_year + 1900; SystemTime.wMonth = pTM->tm_mon + 1; SystemTime.wDay = pTM->tm_mday; SystemTime.wHour = pTM->tm_hour; SystemTime.wMinute = pTM->tm_min; SystemTime.wSecond = pTM->tm_sec; SystemTime.wMilliseconds = 0; return SystemTimeToFileTime(&SystemTime, &LocalTime) && LocalFileTimeToFileTime(&LocalTime, pFileTime); } DllExport int win32_unlink(const char *filename) { dTHX; int ret; DWORD attrs; if (USING_WIDE()) { WCHAR wBuffer[MAX_PATH+1]; WCHAR* pwBuffer; A2WHELPER(filename, wBuffer, sizeof(wBuffer)); pwBuffer = PerlDir_mapW(wBuffer); attrs = GetFileAttributesW(pwBuffer); if (attrs == 0xFFFFFFFF) goto fail; if (attrs & FILE_ATTRIBUTE_READONLY) { (void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY); ret = _wunlink(pwBuffer); if (ret == -1) (void)SetFileAttributesW(pwBuffer, attrs); } else ret = _wunlink(pwBuffer); } else { filename = PerlDir_mapA(filename); attrs = GetFileAttributesA(filename); if (attrs == 0xFFFFFFFF) goto fail; if (attrs & FILE_ATTRIBUTE_READONLY) { (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY); ret = unlink(filename); if (ret == -1) (void)SetFileAttributesA(filename, attrs); } else ret = unlink(filename); } return ret; fail: errno = ENOENT; return -1; } DllExport int win32_utime(const char *filename, struct utimbuf *times) { dTHX; HANDLE handle; FILETIME ftCreate; FILETIME ftAccess; FILETIME ftWrite; struct utimbuf TimeBuffer; WCHAR wbuffer[MAX_PATH+1]; WCHAR* pwbuffer; int rc; if (USING_WIDE()) { A2WHELPER(filename, wbuffer, sizeof(wbuffer)); pwbuffer = PerlDir_mapW(wbuffer); rc = _wutime(pwbuffer, (struct _utimbuf*)times); } else { filename = PerlDir_mapA(filename); rc = utime(filename, times); } /* EACCES: path specifies directory or readonly file */ if (rc == 0 || errno != EACCES /* || !IsWinNT() */) return rc; if (times == NULL) { times = &TimeBuffer; time(×->actime); times->modtime = times->actime; } /* This will (and should) still fail on readonly files */ if (USING_WIDE()) { handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); } else { handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); } if (handle == INVALID_HANDLE_VALUE) return rc; if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) && filetime_from_time(&ftAccess, times->actime) && filetime_from_time(&ftWrite, times->modtime) && SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite)) { rc = 0; } CloseHandle(handle); return rc; } typedef union { unsigned __int64 ft_i64; FILETIME ft_val; } FT_t; #ifdef __GNUC__ #define Const64(x) x##LL #else #define Const64(x) x##i64 #endif /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ #define EPOCH_BIAS Const64(116444736000000000) /* NOTE: This does not compute the timezone info (doing so can be expensive, * and appears to be unsupported even by glibc) */ DllExport int win32_gettimeofday(struct timeval *tp, void *not_used) { FT_t ft; /* this returns time in 100-nanosecond units (i.e. tens of usecs) */ GetSystemTimeAsFileTime(&ft.ft_val); /* seconds since epoch */ tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000)); /* microseconds remaining */ tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000)); return 0; } DllExport int win32_uname(struct utsname *name) { struct hostent *hep; STRLEN nodemax = sizeof(name->nodename)-1; OSVERSIONINFO osver; memset(&osver, 0, sizeof(OSVERSIONINFO)); osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); if (GetVersionEx(&osver)) { /* sysname */ switch (osver.dwPlatformId) { case VER_PLATFORM_WIN32_WINDOWS: strcpy(name->sysname, "Windows"); break; case VER_PLATFORM_WIN32_NT: strcpy(name->sysname, "Windows NT"); break; case VER_PLATFORM_WIN32s: strcpy(name->sysname, "Win32s"); break; default: strcpy(name->sysname, "Win32 Unknown"); break; } /* release */ sprintf(name->release, "%d.%d", osver.dwMajorVersion, osver.dwMinorVersion); /* version */ sprintf(name->version, "Build %d", osver.dwPlatformId == VER_PLATFORM_WIN32_NT ? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff)); if (osver.szCSDVersion[0]) { char *buf = name->version + strlen(name->version); sprintf(buf, " (%s)", osver.szCSDVersion); } } else { *name->sysname = '\0'; *name->version = '\0'; *name->release = '\0'; } /* nodename */ hep = win32_gethostbyname("localhost"); if (hep) { STRLEN len = strlen(hep->h_name); if (len <= nodemax) { strcpy(name->nodename, hep->h_name); } else { strncpy(name->nodename, hep->h_name, nodemax); name->nodename[nodemax] = '\0'; } } else { DWORD sz = nodemax; if (!GetComputerName(name->nodename, &sz)) *name->nodename = '\0'; } /* machine (architecture) */ { SYSTEM_INFO info; DWORD procarch; char *arch; GetSystemInfo(&info); #if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \ || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION)) procarch = info.u.s.wProcessorArchitecture; #else procarch = info.wProcessorArchitecture; #endif switch (procarch) { case PROCESSOR_ARCHITECTURE_INTEL: arch = "x86"; break; case PROCESSOR_ARCHITECTURE_MIPS: arch = "mips"; break; case PROCESSOR_ARCHITECTURE_ALPHA: arch = "alpha"; break; case PROCESSOR_ARCHITECTURE_PPC: arch = "ppc"; break; #ifdef PROCESSOR_ARCHITECTURE_SHX case PROCESSOR_ARCHITECTURE_SHX: arch = "shx"; break; #endif #ifdef PROCESSOR_ARCHITECTURE_ARM case PROCESSOR_ARCHITECTURE_ARM: arch = "arm"; break; #endif #ifdef PROCESSOR_ARCHITECTURE_IA64 case PROCESSOR_ARCHITECTURE_IA64: arch = "ia64"; break; #endif #ifdef PROCESSOR_ARCHITECTURE_ALPHA64 case PROCESSOR_ARCHITECTURE_ALPHA64: arch = "alpha64"; break; #endif #ifdef PROCESSOR_ARCHITECTURE_MSIL case PROCESSOR_ARCHITECTURE_MSIL: arch = "msil"; break; #endif #ifdef PROCESSOR_ARCHITECTURE_AMD64 case PROCESSOR_ARCHITECTURE_AMD64: arch = "amd64"; break; #endif #ifdef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64: arch = "ia32-64"; break; #endif #ifdef PROCESSOR_ARCHITECTURE_UNKNOWN case PROCESSOR_ARCHITECTURE_UNKNOWN: arch = "unknown"; break; #endif default: sprintf(name->machine, "unknown(0x%x)", procarch); arch = name->machine; break; } if (name->machine != arch) strcpy(name->machine, arch); } return 0; } /* Timing related stuff */ int do_raise(pTHX_ int sig) { if (sig < SIG_SIZE) { Sighandler_t handler = w32_sighandler[sig]; if (handler == SIG_IGN) { return 0; } else if (handler != SIG_DFL) { (*handler)(sig); return 0; } else { /* Choose correct default behaviour */ switch (sig) { #ifdef SIGCLD case SIGCLD: #endif #ifdef SIGCHLD case SIGCHLD: #endif case 0: return 0; case SIGTERM: default: break; } } } /* Tell caller to exit thread/process as approriate */ return 1; } void sig_terminate(pTHX_ int sig) { Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig); /* exit() seems to be safe, my_exit() or die() is a problem in ^C thread */ exit(sig); } DllExport int win32_async_check(pTHX) { MSG msg; int ours = 1; /* Passing PeekMessage -1 as HWND (2nd arg) only get PostThreadMessage() messages * and ignores window messages - should co-exist better with windows apps e.g. Tk */ while (PeekMessage(&msg, (HWND)-1, 0, 0, PM_REMOVE|PM_NOYIELD)) { int sig; switch(msg.message) { #if 0 /* Perhaps some other messages could map to signals ? ... */ case WM_CLOSE: case WM_QUIT: /* Treat WM_QUIT like SIGHUP? */ sig = SIGHUP; goto Raise; break; #endif /* We use WM_USER to fake kill() with other signals */ case WM_USER: { sig = msg.wParam; Raise: if (do_raise(aTHX_ sig)) { sig_terminate(aTHX_ sig); } break; } case WM_TIMER: { /* alarm() is a one-shot but SetTimer() repeats so kill it */ if (w32_timerid && w32_timerid==msg.wParam) { KillTimer(NULL,w32_timerid); w32_timerid=0; } else goto FallThrough; /* Now fake a call to signal handler */ if (do_raise(aTHX_ 14)) { sig_terminate(aTHX_ 14); } break; } /* Otherwise do normal Win32 thing - in case it is useful */ default: FallThrough: TranslateMessage(&msg); DispatchMessage(&msg); ours = 0; break; } } w32_poll_count = 0; /* Above or other stuff may have set a signal flag */ if (PL_sig_pending) { despatch_signals(); } return ours; } /* This function will not return until the timeout has elapsed, or until * one of the handles is ready. */ DllExport DWORD win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp) { /* We may need several goes at this - so compute when we stop */ DWORD ticks = 0; if (timeout != INFINITE) { ticks = GetTickCount(); timeout += ticks; } while (1) { DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS); if (resultp) *resultp = result; if (result == WAIT_TIMEOUT) { /* Ran out of time - explicit return of zero to avoid -ve if we have scheduling issues */ return 0; } if (timeout != INFINITE) { ticks = GetTickCount(); } if (result == WAIT_OBJECT_0 + count) { /* Message has arrived - check it */ (void)win32_async_check(aTHX); } else { /* Not timeout or message - one of handles is ready */ break; } } /* compute time left to wait */ ticks = timeout - ticks; /* If we are past the end say zero */ return (ticks > 0) ? ticks : 0; } int win32_internal_wait(int *status, DWORD timeout) { /* XXX this wait emulation only knows about processes * spawned via win32_spawnvp(P_NOWAIT, ...). */ dTHX; int i, retval; DWORD exitcode, waitcode; #ifdef USE_ITHREADS if (w32_num_pseudo_children) { win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles, timeout, &waitcode); /* Time out here if there are no other children to wait for. */ if (waitcode == WAIT_TIMEOUT) { if (!w32_num_children) { return 0; } } else if (waitcode != WAIT_FAILED) { if (waitcode >= WAIT_ABANDONED_0 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children) i = waitcode - WAIT_ABANDONED_0; else i = waitcode - WAIT_OBJECT_0; if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) { *status = (int)((exitcode & 0xff) << 8); retval = (int)w32_pseudo_child_pids[i]; remove_dead_pseudo_process(i); return -retval; } } } #endif if (!w32_num_children) { errno = ECHILD; return -1; } /* if a child exists, wait for it to die */ win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode); if (waitcode == WAIT_TIMEOUT) { return 0; } if (waitcode != WAIT_FAILED) { if (waitcode >= WAIT_ABANDONED_0 && waitcode < WAIT_ABANDONED_0 + w32_num_children) i = waitcode - WAIT_ABANDONED_0; else i = waitcode - WAIT_OBJECT_0; if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) { *status = (int)((exitcode & 0xff) << 8); retval = (int)w32_child_pids[i]; remove_dead_process(i); return retval; } } errno = GetLastError(); return -1; } DllExport int win32_waitpid(int pid, int *status, int flags) { dTHX; DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE; int retval = -1; long child; if (pid == -1) /* XXX threadid == 1 ? */ return win32_internal_wait(status, timeout); #ifdef USE_ITHREADS else if (pid < 0) { child = find_pseudo_pid(-pid); if (child >= 0) { HANDLE hThread = w32_pseudo_child_handles[child]; DWORD waitcode; win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode); if (waitcode == WAIT_TIMEOUT) { return 0; } else if (waitcode == WAIT_OBJECT_0) { if (GetExitCodeThread(hThread, &waitcode)) { *status = (int)((waitcode & 0xff) << 8); retval = (int)w32_pseudo_child_pids[child]; remove_dead_pseudo_process(child); return -retval; } } else errno = ECHILD; } else if (IsWin95()) { pid = -pid; goto alien_process; } } #endif else { HANDLE hProcess; DWORD waitcode; child = find_pid(pid); if (child >= 0) { hProcess = w32_child_handles[child]; win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode); if (waitcode == WAIT_TIMEOUT) { return 0; } else if (waitcode == WAIT_OBJECT_0) { if (GetExitCodeProcess(hProcess, &waitcode)) { *status = (int)((waitcode & 0xff) << 8); retval = (int)w32_child_pids[child]; remove_dead_process(child); return retval; } } else errno = ECHILD; } else { alien_process: hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE, (IsWin95() ? -pid : pid)); if (hProcess) { win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode); if (waitcode == WAIT_TIMEOUT) { CloseHandle(hProcess); return 0; } else if (waitcode == WAIT_OBJECT_0) { if (GetExitCodeProcess(hProcess, &waitcode)) { *status = (int)((waitcode & 0xff) << 8); CloseHandle(hProcess); return pid; } } CloseHandle(hProcess); } else errno = ECHILD; } } return retval >= 0 ? pid : retval; } DllExport int win32_wait(int *status) { return win32_internal_wait(status, INFINITE); } DllExport unsigned int win32_sleep(unsigned int t) { dTHX; /* Win32 times are in ms so *1000 in and /1000 out */ return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000; } DllExport unsigned int win32_alarm(unsigned int sec) { /* * the 'obvious' implentation is SetTimer() with a callback * which does whatever receiving SIGALRM would do * we cannot use SIGALRM even via raise() as it is not * one of the supported codes in */ dTHX; if (sec) { w32_timerid = SetTimer(NULL,w32_timerid,sec*1000,NULL); } else { if (w32_timerid) { KillTimer(NULL,w32_timerid); w32_timerid=0; } } return 0; } #ifdef HAVE_DES_FCRYPT extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf); #endif DllExport char * win32_crypt(const char *txt, const char *salt) { dTHX; #ifdef HAVE_DES_FCRYPT return des_fcrypt(txt, salt, w32_crypt_buffer); #else Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia."); return Nullch; #endif } #ifdef USE_FIXED_OSFHANDLE #define FOPEN 0x01 /* file handle open */ #define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */ #define FAPPEND 0x20 /* file handle opened O_APPEND */ #define FDEV 0x40 /* file handle refers to device */ #define FTEXT 0x80 /* file handle is in text mode */ /*** *int my_open_osfhandle(intptr_t osfhandle, int flags) - open C Runtime file handle * *Purpose: * This function allocates a free C Runtime file handle and associates * it with the Win32 HANDLE specified by the first parameter. This is a * temperary fix for WIN95's brain damage GetFileType() error on socket * we just bypass that call for socket * * This works with MSVC++ 4.0+ or GCC/Mingw32 * *Entry: * intptr_t osfhandle - Win32 HANDLE to associate with C Runtime file handle. * int flags - flags to associate with C Runtime file handle. * *Exit: * returns index of entry in fh, if successful * return -1, if no free entry is found * *Exceptions: * *******************************************************************************/ /* * we fake up some parts of the CRT that aren't exported by MSVCRT.dll * this lets sockets work on Win9X with GCC and should fix the problems * with perl95.exe * -- BKS, 1-23-2000 */ /* create an ioinfo entry, kill its handle, and steal the entry */ static int _alloc_osfhnd(void) { HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL); int fh = _open_osfhandle((intptr_t)hF, 0); CloseHandle(hF); if (fh == -1) return fh; EnterCriticalSection(&(_pioinfo(fh)->lock)); return fh; } static int my_open_osfhandle(intptr_t osfhandle, int flags) { int fh; char fileflags; /* _osfile flags */ /* copy relevant flags from second parameter */ fileflags = FDEV; if (flags & O_APPEND) fileflags |= FAPPEND; if (flags & O_TEXT) fileflags |= FTEXT; if (flags & O_NOINHERIT) fileflags |= FNOINHERIT; /* attempt to allocate a C Runtime file handle */ if ((fh = _alloc_osfhnd()) == -1) { errno = EMFILE; /* too many open files */ _doserrno = 0L; /* not an OS error */ return -1; /* return error to caller */ } /* the file is open. now, set the info in _osfhnd array */ _set_osfhnd(fh, osfhandle); fileflags |= FOPEN; /* mark as open */ _osfile(fh) = fileflags; /* set osfile entry */ LeaveCriticalSection(&_pioinfo(fh)->lock); return fh; /* return handle */ } #endif /* USE_FIXED_OSFHANDLE */ /* simulate flock by locking a range on the file */ #define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError())) #define LK_LEN 0xffff0000 DllExport int win32_flock(int fd, int oper) { OVERLAPPED o; int i = -1; HANDLE fh; if (!IsWinNT()) { dTHX; Perl_croak_nocontext("flock() unimplemented on this platform"); return -1; } fh = (HANDLE)_get_osfhandle(fd); memset(&o, 0, sizeof(o)); switch(oper) { case LOCK_SH: /* shared lock */ LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i); break; case LOCK_EX: /* exclusive lock */ LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i); break; case LOCK_SH|LOCK_NB: /* non-blocking shared lock */ LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i); break; case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */ LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i); break; case LOCK_UN: /* unlock lock */ LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i); break; default: /* unknown */ errno = EINVAL; break; } return i; } #undef LK_ERR #undef LK_LEN /* * redirected io subsystem for all XS modules * */ DllExport int * win32_errno(void) { return (&errno); } DllExport char *** win32_environ(void) { return (&(_environ)); } /* the rest are the remapped stdio routines */ DllExport FILE * win32_stderr(void) { return (stderr); } DllExport FILE * win32_stdin(void) { return (stdin); } DllExport FILE * win32_stdout() { return (stdout); } DllExport int win32_ferror(FILE *fp) { return (ferror(fp)); } DllExport int win32_feof(FILE *fp) { return (feof(fp)); } /* * Since the errors returned by the socket error function * WSAGetLastError() are not known by the library routine strerror * we have to roll our own. */ DllExport char * win32_strerror(int e) { #if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */ extern int sys_nerr; #endif DWORD source = 0; if (e < 0 || e > sys_nerr) { dTHX; if (e < 0) e = GetLastError(); if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0, w32_strerror_buffer, sizeof(w32_strerror_buffer), NULL) == 0) strcpy(w32_strerror_buffer, "Unknown Error"); return w32_strerror_buffer; } return strerror(e); } DllExport void win32_str_os_error(void *sv, DWORD dwErr) { DWORD dwLen; char *sMsg; dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |FORMAT_MESSAGE_IGNORE_INSERTS |FORMAT_MESSAGE_FROM_SYSTEM, NULL, dwErr, 0, (char *)&sMsg, 1, NULL); /* strip trailing whitespace and period */ if (0 < dwLen) { do { --dwLen; /* dwLen doesn't include trailing null */ } while (0 < dwLen && isSPACE(sMsg[dwLen])); if ('.' != sMsg[dwLen]) dwLen++; sMsg[dwLen] = '\0'; } if (0 == dwLen) { sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/); if (sMsg) dwLen = sprintf(sMsg, "Unknown error #0x%lX (lookup 0x%lX)", dwErr, GetLastError()); } if (sMsg) { dTHX; sv_setpvn((SV*)sv, sMsg, dwLen); LocalFree(sMsg); } } DllExport int win32_fprintf(FILE *fp, const char *format, ...) { va_list marker; va_start(marker, format); /* Initialize variable arguments. */ return (vfprintf(fp, format, marker)); } DllExport int win32_printf(const char *format, ...) { va_list marker; va_start(marker, format); /* Initialize variable arguments. */ return (vprintf(format, marker)); } DllExport int win32_vfprintf(FILE *fp, const char *format, va_list args) { return (vfprintf(fp, format, args)); } DllExport int win32_vprintf(const char *format, va_list args) { return (vprintf(format, args)); } DllExport size_t win32_fread(void *buf, size_t size, size_t count, FILE *fp) { return fread(buf, size, count, fp); } DllExport size_t win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp) { return fwrite(buf, size, count, fp); } #define MODE_SIZE 10 DllExport FILE * win32_fopen(const char *filename, const char *mode) { dTHX; WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1]; FILE *f; if (!*filename) return NULL; if (stricmp(filename, "/dev/null")==0) filename = "NUL"; if (USING_WIDE()) { A2WHELPER(mode, wMode, sizeof(wMode)); A2WHELPER(filename, wBuffer, sizeof(wBuffer)); f = _wfopen(PerlDir_mapW(wBuffer), wMode); } else f = fopen(PerlDir_mapA(filename), mode); /* avoid buffering headaches for child processes */ if (f && *mode == 'a') win32_fseek(f, 0, SEEK_END); return f; } #ifndef USE_SOCKETS_AS_HANDLES #undef fdopen #define fdopen my_fdopen #endif DllExport FILE * win32_fdopen(int handle, const char *mode) { dTHX; WCHAR wMode[MODE_SIZE]; FILE *f; if (USING_WIDE()) { A2WHELPER(mode, wMode, sizeof(wMode)); f = _wfdopen(handle, wMode); } else f = fdopen(handle, (char *) mode); /* avoid buffering headaches for child processes */ if (f && *mode == 'a') win32_fseek(f, 0, SEEK_END); return f; } DllExport FILE * win32_freopen(const char *path, const char *mode, FILE *stream) { dTHX; WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1]; if (stricmp(path, "/dev/null")==0) path = "NUL"; if (USING_WIDE()) { A2WHELPER(mode, wMode, sizeof(wMode)); A2WHELPER(path, wBuffer, sizeof(wBuffer)); return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream); } return freopen(PerlDir_mapA(path), mode, stream); } DllExport int win32_fclose(FILE *pf) { return my_fclose(pf); /* defined in win32sck.c */ } DllExport int win32_fputs(const char *s,FILE *pf) { return fputs(s, pf); } DllExport int win32_fputc(int c,FILE *pf) { return fputc(c,pf); } DllExport int win32_ungetc(int c,FILE *pf) { return ungetc(c,pf); } DllExport int win32_getc(FILE *pf) { return getc(pf); } DllExport int win32_fileno(FILE *pf) { return fileno(pf); } DllExport void win32_clearerr(FILE *pf) { clearerr(pf); return; } DllExport int win32_fflush(FILE *pf) { return fflush(pf); } DllExport Off_t win32_ftell(FILE *pf) { #if defined(WIN64) || defined(USE_LARGE_FILES) #if defined(__BORLAND__) /* buk */ return win32_tell( fileno( pf ) ); #else fpos_t pos; if (fgetpos(pf, &pos)) return -1; return (Off_t)pos; #endif #else return ftell(pf); #endif } DllExport int win32_fseek(FILE *pf, Off_t offset,int origin) { #if defined(WIN64) || defined(USE_LARGE_FILES) #if defined(__BORLANDC__) /* buk */ return win32_lseek( fileno(pf), offset, origin ); #else fpos_t pos; switch (origin) { case SEEK_CUR: if (fgetpos(pf, &pos)) return -1; offset += pos; break; case SEEK_END: fseek(pf, 0, SEEK_END); pos = _telli64(fileno(pf)); offset += pos; break; case SEEK_SET: break; default: errno = EINVAL; return -1; } return fsetpos(pf, &offset); #endif #else return fseek(pf, offset, origin); #endif } DllExport int win32_fgetpos(FILE *pf,fpos_t *p) { #if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */ if( win32_tell(fileno(pf)) == -1L ) { errno = EBADF; return -1; } return 0; #else return fgetpos(pf, p); #endif } DllExport int win32_fsetpos(FILE *pf,const fpos_t *p) { #if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */ return win32_lseek(fileno(pf), *p, SEEK_CUR); #else return fsetpos(pf, p); #endif } DllExport void win32_rewind(FILE *pf) { rewind(pf); return; } DllExport int win32_tmpfd(void) { dTHX; char prefix[MAX_PATH+1]; char filename[MAX_PATH+1]; DWORD len = GetTempPath(MAX_PATH, prefix); if (len && len < MAX_PATH) { if (GetTempFileName(prefix, "plx", 0, filename)) { HANDLE fh = CreateFile(filename, DELETE | GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, NULL); if (fh != INVALID_HANDLE_VALUE) { int fd = win32_open_osfhandle((intptr_t)fh, 0); if (fd >= 0) { #if defined(__BORLANDC__) setmode(fd,O_BINARY); #endif DEBUG_p(PerlIO_printf(Perl_debug_log, "Created tmpfile=%s\n",filename)); return fd; } } } } return -1; } DllExport FILE* win32_tmpfile(void) { int fd = win32_tmpfd(); if (fd >= 0) return win32_fdopen(fd, "w+b"); return NULL; } DllExport void win32_abort(void) { abort(); return; } DllExport int win32_fstat(int fd, Stat_t *sbufptr) { #ifdef __BORLANDC__ /* A file designated by filehandle is not shown as accessible * for write operations, probably because it is opened for reading. * --Vadim Konovalov */ int rc = fstat(fd,sbufptr); BY_HANDLE_FILE_INFORMATION bhfi; if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) { sbufptr->st_mode &= 0xFE00; if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY) sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6)); else sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3) + ((S_IREAD|S_IWRITE) >> 6)); } return rc; #else return my_fstat(fd,sbufptr); #endif } DllExport int win32_pipe(int *pfd, unsigned int size, int mode) { return _pipe(pfd, size, mode); } DllExport PerlIO* win32_popenlist(const char *mode, IV narg, SV **args) { dTHX; Perl_croak(aTHX_ "List form of pipe open not implemented"); return NULL; } /* * a popen() clone that respects PERL5SHELL * * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000 */ DllExport PerlIO* win32_popen(const char *command, const char *mode) { #ifdef USE_RTL_POPEN return _popen(command, mode); #else dTHX; int p[2]; int parent, child; int stdfd, oldfd; int ourmode; int childpid; DWORD nhandle; HANDLE old_h; int lock_held = 0; /* establish which ends read and write */ if (strchr(mode,'w')) { stdfd = 0; /* stdin */ parent = 1; child = 0; nhandle = STD_INPUT_HANDLE; } else if (strchr(mode,'r')) { stdfd = 1; /* stdout */ parent = 0; child = 1; nhandle = STD_OUTPUT_HANDLE; } else return NULL; /* set the correct mode */ if (strchr(mode,'b')) ourmode = O_BINARY; else if (strchr(mode,'t')) ourmode = O_TEXT; else ourmode = _fmode & (O_TEXT | O_BINARY); /* the child doesn't inherit handles */ ourmode |= O_NOINHERIT; if (win32_pipe(p, 512, ourmode) == -1) return NULL; /* save current stdfd */ if ((oldfd = win32_dup(stdfd)) == -1) goto cleanup; /* save the old std handle (this needs to happen before the * dup2(), since that might call SetStdHandle() too) */ OP_REFCNT_LOCK; lock_held = 1; old_h = GetStdHandle(nhandle); /* make stdfd go to child end of pipe (implicitly closes stdfd) */ /* stdfd will be inherited by the child */ if (win32_dup2(p[child], stdfd) == -1) goto cleanup; /* close the child end in parent */ win32_close(p[child]); /* set the new std handle (in case dup2() above didn't) */ SetStdHandle(nhandle, (HANDLE)_get_osfhandle(stdfd)); /* start the child */ { dTHX; if ((childpid = do_spawn_nowait((char*)command)) == -1) goto cleanup; /* revert stdfd to whatever it was before */ if (win32_dup2(oldfd, stdfd) == -1) goto cleanup; /* restore the old std handle (this needs to happen after the * dup2(), since that might call SetStdHandle() too */ if (lock_held) { SetStdHandle(nhandle, old_h); OP_REFCNT_UNLOCK; lock_held = 0; } /* close saved handle */ win32_close(oldfd); LOCK_FDPID_MUTEX; sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid); UNLOCK_FDPID_MUTEX; /* set process id so that it can be returned by perl's open() */ PL_forkprocess = childpid; } /* we have an fd, return a file stream */ return (PerlIO_fdopen(p[parent], (char *)mode)); cleanup: /* we don't need to check for errors here */ win32_close(p[0]); win32_close(p[1]); if (lock_held) { SetStdHandle(nhandle, old_h); OP_REFCNT_UNLOCK; lock_held = 0; } if (oldfd != -1) { win32_dup2(oldfd, stdfd); win32_close(oldfd); } return (NULL); #endif /* USE_RTL_POPEN */ } /* * pclose() clone */ DllExport int win32_pclose(PerlIO *pf) { #ifdef USE_RTL_POPEN return _pclose(pf); #else dTHX; int childpid, status; SV *sv; LOCK_FDPID_MUTEX; sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE); if (SvIOK(sv)) childpid = SvIVX(sv); else childpid = 0; if (!childpid) { errno = EBADF; return -1; } #ifdef USE_PERLIO PerlIO_close(pf); #else fclose(pf); #endif SvIVX(sv) = 0; UNLOCK_FDPID_MUTEX; if (win32_waitpid(childpid, &status, 0) == -1) return -1; return status; #endif /* USE_RTL_POPEN */ } static BOOL WINAPI Nt4CreateHardLinkW( LPCWSTR lpFileName, LPCWSTR lpExistingFileName, LPSECURITY_ATTRIBUTES lpSecurityAttributes) { HANDLE handle; WCHAR wFullName[MAX_PATH+1]; LPVOID lpContext = NULL; WIN32_STREAM_ID StreamId; DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId; DWORD dwWritten; DWORD dwLen; BOOL bSuccess; BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD, BOOL, BOOL, LPVOID*) = (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD, BOOL, BOOL, LPVOID*)) GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite"); if (pfnBackupWrite == NULL) return 0; dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL); if (dwLen == 0) return 0; dwLen = (dwLen+1)*sizeof(WCHAR); handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, 0, NULL); if (handle == INVALID_HANDLE_VALUE) return 0; StreamId.dwStreamId = BACKUP_LINK; StreamId.dwStreamAttributes = 0; StreamId.dwStreamNameSize = 0; #if defined(__BORLANDC__) \ ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION)) StreamId.Size.u.HighPart = 0; StreamId.Size.u.LowPart = dwLen; #else StreamId.Size.HighPart = 0; StreamId.Size.LowPart = dwLen; #endif bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten, FALSE, FALSE, &lpContext); if (bSuccess) { bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten, FALSE, FALSE, &lpContext); pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext); } CloseHandle(handle); return bSuccess; } DllExport int win32_link(const char *oldname, const char *newname) { dTHX; BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES); WCHAR wOldName[MAX_PATH+1]; WCHAR wNewName[MAX_PATH+1]; if (IsWin95()) Perl_croak(aTHX_ PL_no_func, "link"); pfnCreateHardLinkW = (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES)) GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW"); if (pfnCreateHardLinkW == NULL) pfnCreateHardLinkW = Nt4CreateHardLinkW; if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) && (A2WHELPER(newname, wNewName, sizeof(wNewName))) && (wcscpy(wOldName, PerlDir_mapW(wOldName)), pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL))) { return 0; } errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL; return -1; } DllExport int win32_rename(const char *oname, const char *newname) { WCHAR wOldName[MAX_PATH+1]; WCHAR wNewName[MAX_PATH+1]; char szOldName[MAX_PATH+1]; char szNewName[MAX_PATH+1]; BOOL bResult; dTHX; /* XXX despite what the documentation says about MoveFileEx(), * it doesn't work under Windows95! */ if (IsWinNT()) { DWORD dwFlags = MOVEFILE_COPY_ALLOWED; if (USING_WIDE()) { A2WHELPER(oname, wOldName, sizeof(wOldName)); A2WHELPER(newname, wNewName, sizeof(wNewName)); if (wcsicmp(wNewName, wOldName)) dwFlags |= MOVEFILE_REPLACE_EXISTING; wcscpy(wOldName, PerlDir_mapW(wOldName)); bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags); } else { if (stricmp(newname, oname)) dwFlags |= MOVEFILE_REPLACE_EXISTING; strcpy(szOldName, PerlDir_mapA(oname)); bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags); } if (!bResult) { DWORD err = GetLastError(); switch (err) { case ERROR_BAD_NET_NAME: case ERROR_BAD_NETPATH: case ERROR_BAD_PATHNAME: case ERROR_FILE_NOT_FOUND: case ERROR_FILENAME_EXCED_RANGE: case ERROR_INVALID_DRIVE: case ERROR_NO_MORE_FILES: case ERROR_PATH_NOT_FOUND: errno = ENOENT; break; default: errno = EACCES; break; } return -1; } return 0; } else { int retval = 0; char szTmpName[MAX_PATH+1]; char dname[MAX_PATH+1]; char *endname = Nullch; STRLEN tmplen = 0; DWORD from_attr, to_attr; strcpy(szOldName, PerlDir_mapA(oname)); strcpy(szNewName, PerlDir_mapA(newname)); /* if oname doesn't exist, do nothing */ from_attr = GetFileAttributes(szOldName); if (from_attr == 0xFFFFFFFF) { errno = ENOENT; return -1; } /* if newname exists, rename it to a temporary name so that we * don't delete it in case oname happens to be the same file * (but perhaps accessed via a different path) */ to_attr = GetFileAttributes(szNewName); if (to_attr != 0xFFFFFFFF) { /* if newname is a directory, we fail * XXX could overcome this with yet more convoluted logic */ if (to_attr & FILE_ATTRIBUTE_DIRECTORY) { errno = EACCES; return -1; } tmplen = strlen(szNewName); strcpy(szTmpName,szNewName); endname = szTmpName+tmplen; for (; endname > szTmpName ; --endname) { if (*endname == '/' || *endname == '\\') { *endname = '\0'; break; } } if (endname > szTmpName) endname = strcpy(dname,szTmpName); else endname = "."; /* get a temporary filename in same directory * XXX is this really the best we can do? */ if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) { errno = ENOENT; return -1; } DeleteFile(szTmpName); retval = rename(szNewName, szTmpName); if (retval != 0) { errno = EACCES; return retval; } } /* rename oname to newname */ retval = rename(szOldName, szNewName); /* if we created a temporary file before ... */ if (endname != Nullch) { /* ...and rename succeeded, delete temporary file/directory */ if (retval == 0) DeleteFile(szTmpName); /* else restore it to what it was */ else (void)rename(szTmpName, szNewName); } return retval; } } DllExport int win32_setmode(int fd, int mode) { return setmode(fd, mode); } DllExport int win32_chsize(int fd, Off_t size) { #if defined(WIN64) || defined(USE_LARGE_FILES) int retval = 0; Off_t cur, end, extend; cur = win32_tell(fd); if (cur < 0) return -1; end = win32_lseek(fd, 0, SEEK_END); if (end < 0) return -1; extend = size - end; if (extend == 0) { /* do nothing */ } else if (extend > 0) { /* must grow the file, padding with nulls */ char b[4096]; int oldmode = win32_setmode(fd, O_BINARY); size_t count; memset(b, '\0', sizeof(b)); do { count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend; count = win32_write(fd, b, count); if ((int)count < 0) { retval = -1; break; } } while ((extend -= count) > 0); win32_setmode(fd, oldmode); } else { /* shrink the file */ win32_lseek(fd, size, SEEK_SET); if (!SetEndOfFile((HANDLE)_get_osfhandle(fd))) { errno = EACCES; retval = -1; } } finish: win32_lseek(fd, cur, SEEK_SET); return retval; #else return chsize(fd, size); #endif } DllExport Off_t win32_lseek(int fd, Off_t offset, int origin) { #if defined(WIN64) || defined(USE_LARGE_FILES) #if defined(__BORLANDC__) /* buk */ LARGE_INTEGER pos; pos.QuadPart = offset; pos.LowPart = SetFilePointer( (HANDLE)_get_osfhandle(fd), pos.LowPart, &pos.HighPart, origin ); if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) { pos.QuadPart = -1; } return pos.QuadPart; #else return _lseeki64(fd, offset, origin); #endif #else return lseek(fd, offset, origin); #endif } DllExport Off_t win32_tell(int fd) { #if defined(WIN64) || defined(USE_LARGE_FILES) #if defined(__BORLANDC__) /* buk */ LARGE_INTEGER pos; pos.QuadPart = 0; pos.LowPart = SetFilePointer( (HANDLE)_get_osfhandle(fd), pos.LowPart, &pos.HighPart, FILE_CURRENT ); if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) { pos.QuadPart = -1; } return pos.QuadPart; /* return tell(fd); */ #else return _telli64(fd); #endif #else return tell(fd); #endif } DllExport int win32_open(const char *path, int flag, ...) { dTHX; va_list ap; int pmode; WCHAR wBuffer[MAX_PATH+1]; va_start(ap, flag); pmode = va_arg(ap, int); va_end(ap); if (stricmp(path, "/dev/null")==0) path = "NUL"; if (USING_WIDE()) { A2WHELPER(path, wBuffer, sizeof(wBuffer)); return _wopen(PerlDir_mapW(wBuffer), flag, pmode); } return open(PerlDir_mapA(path), flag, pmode); } /* close() that understands socket */ extern int my_close(int); /* in win32sck.c */ DllExport int win32_close(int fd) { return my_close(fd); } DllExport int win32_eof(int fd) { return eof(fd); } DllExport int win32_dup(int fd) { return dup(fd); } DllExport int win32_dup2(int fd1,int fd2) { return dup2(fd1,fd2); } #ifdef PERL_MSVCRT_READFIX #define LF 10 /* line feed */ #define CR 13 /* carriage return */ #define CTRLZ 26 /* ctrl-z means eof for text */ #define FOPEN 0x01 /* file handle open */ #define FEOFLAG 0x02 /* end of file has been encountered */ #define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */ #define FPIPE 0x08 /* file handle refers to a pipe */ #define FAPPEND 0x20 /* file handle opened O_APPEND */ #define FDEV 0x40 /* file handle refers to device */ #define FTEXT 0x80 /* file handle is in text mode */ #define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */ int __cdecl _fixed_read(int fh, void *buf, unsigned cnt) { int bytes_read; /* number of bytes read */ char *buffer; /* buffer to read to */ int os_read; /* bytes read on OS call */ char *p, *q; /* pointers into buffer */ char peekchr; /* peek-ahead character */ ULONG filepos; /* file position after seek */ ULONG dosretval; /* o.s. return value */ /* validate handle */ if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) || !(_osfile(fh) & FOPEN)) { /* out of range -- return error */ errno = EBADF; _doserrno = 0; /* not o.s. error */ return -1; } /* * If lockinitflag is FALSE, assume fd is device * lockinitflag is set to TRUE by open. */ if (_pioinfo(fh)->lockinitflag) EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */ bytes_read = 0; /* nothing read yet */ buffer = (char*)buf; if (cnt == 0 || (_osfile(fh) & FEOFLAG)) { /* nothing to read or at EOF, so return 0 read */ goto functionexit; } if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) { /* a pipe/device and pipe lookahead non-empty: read the lookahead * char */ *buffer++ = _pipech(fh); ++bytes_read; --cnt; _pipech(fh) = LF; /* mark as empty */ } /* read the data */ if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL)) { /* ReadFile has reported an error. recognize two special cases. * * 1. map ERROR_ACCESS_DENIED to EBADF * * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it * means the handle is a read-handle on a pipe for which * all write-handles have been closed and all data has been * read. */ if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) { /* wrong read/write mode should return EBADF, not EACCES */ errno = EBADF; _doserrno = dosretval; bytes_read = -1; goto functionexit; } else if (dosretval == ERROR_BROKEN_PIPE) { bytes_read = 0; goto functionexit; } else { bytes_read = -1; goto functionexit; } } bytes_read += os_read; /* update bytes read */ if (_osfile(fh) & FTEXT) { /* now must translate CR-LFs to LFs in the buffer */ /* set CRLF flag to indicate LF at beginning of buffer */ /* if ((os_read != 0) && (*(char *)buf == LF)) */ /* _osfile(fh) |= FCRLF; */ /* else */ /* _osfile(fh) &= ~FCRLF; */ _osfile(fh) &= ~FCRLF; /* convert chars in the buffer: p is src, q is dest */ p = q = (char*)buf; while (p < (char *)buf + bytes_read) { if (*p == CTRLZ) { /* if fh is not a device, set ctrl-z flag */ if (!(_osfile(fh) & FDEV)) _osfile(fh) |= FEOFLAG; break; /* stop translating */ } else if (*p != CR) *q++ = *p++; else { /* *p is CR, so must check next char for LF */ if (p < (char *)buf + bytes_read - 1) { if (*(p+1) == LF) { p += 2; *q++ = LF; /* convert CR-LF to LF */ } else *q++ = *p++; /* store char normally */ } else { /* This is the hard part. We found a CR at end of buffer. We must peek ahead to see if next char is an LF. */ ++p; dosretval = 0; if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1, (LPDWORD)&os_read, NULL)) dosretval = GetLastError(); if (dosretval != 0 || os_read == 0) { /* couldn't read ahead, store CR */ *q++ = CR; } else { /* peekchr now has the extra character -- we now have several possibilities: 1. disk file and char is not LF; just seek back and copy CR 2. disk file and char is LF; store LF, don't seek back 3. pipe/device and char is LF; store LF. 4. pipe/device and char isn't LF, store CR and put char in pipe lookahead buffer. */ if (_osfile(fh) & (FDEV|FPIPE)) { /* non-seekable device */ if (peekchr == LF) *q++ = LF; else { *q++ = CR; _pipech(fh) = peekchr; } } else { /* disk file */ if (peekchr == LF) { /* nothing read yet; must make some progress */ *q++ = LF; /* turn on this flag for tell routine */ _osfile(fh) |= FCRLF; } else { HANDLE osHandle; /* o.s. handle value */ /* seek back */ if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1) { if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1) dosretval = GetLastError(); } if (peekchr != LF) *q++ = CR; } } } } } } /* we now change bytes_read to reflect the true number of chars in the buffer */ bytes_read = q - (char *)buf; } functionexit: if (_pioinfo(fh)->lockinitflag) LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */ return bytes_read; } #endif /* PERL_MSVCRT_READFIX */ DllExport int win32_read(int fd, void *buf, unsigned int cnt) { #ifdef PERL_MSVCRT_READFIX return _fixed_read(fd, buf, cnt); #else return read(fd, buf, cnt); #endif } DllExport int win32_write(int fd, const void *buf, unsigned int cnt) { return write(fd, buf, cnt); } DllExport int win32_mkdir(const char *dir, int mode) { dTHX; if (USING_WIDE()) { WCHAR wBuffer[MAX_PATH+1]; A2WHELPER(dir, wBuffer, sizeof(wBuffer)); return _wmkdir(PerlDir_mapW(wBuffer)); } return mkdir(PerlDir_mapA(dir)); /* just ignore mode */ } DllExport int win32_rmdir(const char *dir) { dTHX; if (USING_WIDE()) { WCHAR wBuffer[MAX_PATH+1]; A2WHELPER(dir, wBuffer, sizeof(wBuffer)); return _wrmdir(PerlDir_mapW(wBuffer)); } return rmdir(PerlDir_mapA(dir)); } DllExport int win32_chdir(const char *dir) { dTHX; if (!dir) { errno = ENOENT; return -1; } if (USING_WIDE()) { WCHAR wBuffer[MAX_PATH+1]; A2WHELPER(dir, wBuffer, sizeof(wBuffer)); return _wchdir(wBuffer); } return chdir(dir); } DllExport int win32_access(const char *path, int mode) { dTHX; if (USING_WIDE()) { WCHAR wBuffer[MAX_PATH+1]; A2WHELPER(path, wBuffer, sizeof(wBuffer)); return _waccess(PerlDir_mapW(wBuffer), mode); } return access(PerlDir_mapA(path), mode); } DllExport int win32_chmod(const char *path, int mode) { dTHX; if (USING_WIDE()) { WCHAR wBuffer[MAX_PATH+1]; A2WHELPER(path, wBuffer, sizeof(wBuffer)); return _wchmod(PerlDir_mapW(wBuffer), mode); } return chmod(PerlDir_mapA(path), mode); } static char * create_command_line(char *cname, STRLEN clen, const char * const *args) { dTHX; int index, argc; char *cmd, *ptr; const char *arg; STRLEN len = 0; bool bat_file = FALSE; bool cmd_shell = FALSE; bool dumb_shell = FALSE; bool extra_quotes = FALSE; bool quote_next = FALSE; if (!cname) cname = (char*)args[0]; /* The NT cmd.exe shell has the following peculiarity that needs to be * worked around. It strips a leading and trailing dquote when any * of the following is true: * 1. the /S switch was used * 2. there are more than two dquotes * 3. there is a special character from this set: &<>()@^| * 4. no whitespace characters within the two dquotes * 5. string between two dquotes isn't an executable file * To work around this, we always add a leading and trailing dquote * to the string, if the first argument is either "cmd.exe" or "cmd", * and there were at least two or more arguments passed to cmd.exe * (not including switches). * XXX the above rules (from "cmd /?") don't seem to be applied * always, making for the convolutions below :-( */ if (cname) { if (!clen) clen = strlen(cname); if (clen > 4 && (stricmp(&cname[clen-4], ".bat") == 0 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0))) { bat_file = TRUE; if (!IsWin95()) len += 3; } else { char *exe = strrchr(cname, '/'); char *exe2 = strrchr(cname, '\\'); if (exe2 > exe) exe = exe2; if (exe) ++exe; else exe = cname; if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) { cmd_shell = TRUE; len += 3; } else if (stricmp(exe, "command.com") == 0 || stricmp(exe, "command") == 0) { dumb_shell = TRUE; } } } DEBUG_p(PerlIO_printf(Perl_debug_log, "Args ")); for (index = 0; (arg = (char*)args[index]) != NULL; ++index) { STRLEN curlen = strlen(arg); if (!(arg[0] == '"' && arg[curlen-1] == '"')) len += 2; /* assume quoting needed (worst case) */ len += curlen + 1; DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg)); } DEBUG_p(PerlIO_printf(Perl_debug_log, "\n")); argc = index; New(1310, cmd, len, char); ptr = cmd; if (bat_file && !IsWin95()) { *ptr++ = '"'; extra_quotes = TRUE; } for (index = 0; (arg = (char*)args[index]) != NULL; ++index) { bool do_quote = 0; STRLEN curlen = strlen(arg); /* we want to protect empty arguments and ones with spaces with * dquotes, but only if they aren't already there */ if (!dumb_shell) { if (!curlen) { do_quote = 1; } else if (quote_next) { /* see if it really is multiple arguments pretending to * be one and force a set of quotes around it */ if (*find_next_space(arg)) do_quote = 1; } else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) { STRLEN i = 0; while (i < curlen) { if (isSPACE(arg[i])) { do_quote = 1; } else if (arg[i] == '"') { do_quote = 0; break; } i++; } } } if (do_quote) *ptr++ = '"'; strcpy(ptr, arg); ptr += curlen; if (do_quote) *ptr++ = '"'; if (args[index+1]) *ptr++ = ' '; if (!extra_quotes && cmd_shell && curlen >= 2 && *arg == '/' /* see if arg is "/c", "/x/c", "/x/d/c" etc. */ && stricmp(arg+curlen-2, "/c") == 0) { /* is there a next argument? */ if (args[index+1]) { /* are there two or more next arguments? */ if (args[index+2]) { *ptr++ = '"'; extra_quotes = TRUE; } else { /* single argument, force quoting if it has spaces */ quote_next = TRUE; } } } } if (extra_quotes) *ptr++ = '"'; *ptr = '\0'; return cmd; } static char * qualified_path(const char *cmd) { dTHX; char *pathstr; char *fullcmd, *curfullcmd; STRLEN cmdlen = 0; int has_slash = 0; if (!cmd) return Nullch; fullcmd = (char*)cmd; while (*fullcmd) { if (*fullcmd == '/' || *fullcmd == '\\') has_slash++; fullcmd++; cmdlen++; } /* look in PATH */ pathstr = PerlEnv_getenv("PATH"); /* worst case: PATH is a single directory; we need additional space * to append "/", ".exe" and trailing "\0" */ New(0, fullcmd, (pathstr ? strlen(pathstr) : 0) + cmdlen + 6, char); curfullcmd = fullcmd; while (1) { DWORD res; /* start by appending the name to the current prefix */ strcpy(curfullcmd, cmd); curfullcmd += cmdlen; /* if it doesn't end with '.', or has no extension, try adding * a trailing .exe first */ if (cmd[cmdlen-1] != '.' && (cmdlen < 4 || cmd[cmdlen-4] != '.')) { strcpy(curfullcmd, ".exe"); res = GetFileAttributes(fullcmd); if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY)) return fullcmd; *curfullcmd = '\0'; } /* that failed, try the bare name */ res = GetFileAttributes(fullcmd); if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY)) return fullcmd; /* quit if no other path exists, or if cmd already has path */ if (!pathstr || !*pathstr || has_slash) break; /* skip leading semis */ while (*pathstr == ';') pathstr++; /* build a new prefix from scratch */ curfullcmd = fullcmd; while (*pathstr && *pathstr != ';') { if (*pathstr == '"') { /* foo;"baz;etc";bar */ pathstr++; /* skip initial '"' */ while (*pathstr && *pathstr != '"') { *curfullcmd++ = *pathstr++; } if (*pathstr) pathstr++; /* skip trailing '"' */ } else { *curfullcmd++ = *pathstr++; } } if (*pathstr) pathstr++; /* skip trailing semi */ if (curfullcmd > fullcmd /* append a dir separator */ && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\') { *curfullcmd++ = '\\'; } } Safefree(fullcmd); return Nullch; } /* The following are just place holders. * Some hosts may provide and environment that the OS is * not tracking, therefore, these host must provide that * environment and the current directory to CreateProcess */ DllExport void* win32_get_childenv(void) { return NULL; } DllExport void win32_free_childenv(void* d) { } DllExport void win32_clearenv(void) { char *envv = GetEnvironmentStrings(); char *cur = envv; STRLEN len; while (*cur) { char *end = strchr(cur,'='); if (end && end != cur) { *end = '\0'; SetEnvironmentVariable(cur, NULL); *end = '='; cur = end + strlen(end+1)+2; } else if ((len = strlen(cur))) cur += len+1; } FreeEnvironmentStrings(envv); } DllExport char* win32_get_childdir(void) { dTHX; char* ptr; char szfilename[(MAX_PATH+1)*2]; if (USING_WIDE()) { WCHAR wfilename[MAX_PATH+1]; GetCurrentDirectoryW(MAX_PATH+1, wfilename); W2AHELPER(wfilename, szfilename, sizeof(szfilename)); } else { GetCurrentDirectoryA(MAX_PATH+1, szfilename); } New(0, ptr, strlen(szfilename)+1, char); strcpy(ptr, szfilename); return ptr; } DllExport void win32_free_childdir(char* d) { dTHX; Safefree(d); } /* XXX this needs to be made more compatible with the spawnvp() * provided by the various RTLs. In particular, searching for * *.{com,bat,cmd} files (as done by the RTLs) is unimplemented. * This doesn't significantly affect perl itself, because we * always invoke things using PERL5SHELL if a direct attempt to * spawn the executable fails. * * XXX splitting and rejoining the commandline between do_aspawn() * and win32_spawnvp() could also be avoided. */ DllExport int win32_spawnvp(int mode, const char *cmdname, const char *const *argv) { #ifdef USE_RTL_SPAWNVP return spawnvp(mode, cmdname, (char * const *)argv); #else dTHX; int ret; void* env; char* dir; child_IO_table tbl; STARTUPINFO StartupInfo; PROCESS_INFORMATION ProcessInformation; DWORD create = 0; char *cmd; char *fullcmd = Nullch; char *cname = (char *)cmdname; STRLEN clen = 0; if (cname) { clen = strlen(cname); /* if command name contains dquotes, must remove them */ if (strchr(cname, '"')) { cmd = cname; New(0,cname,clen+1,char); clen = 0; while (*cmd) { if (*cmd != '"') { cname[clen] = *cmd; ++clen; } ++cmd; } cname[clen] = '\0'; } } cmd = create_command_line(cname, clen, argv); env = PerlEnv_get_childenv(); dir = PerlEnv_get_childdir(); switch(mode) { case P_NOWAIT: /* asynch + remember result */ if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) { errno = EAGAIN; ret = -1; goto RETVAL; } /* Create a new process group so we can use GenerateConsoleCtrlEvent() * in win32_kill() */ create |= CREATE_NEW_PROCESS_GROUP; /* FALL THROUGH */ case P_WAIT: /* synchronous execution */ break; default: /* invalid mode */ errno = EINVAL; ret = -1; goto RETVAL; } memset(&StartupInfo,0,sizeof(StartupInfo)); StartupInfo.cb = sizeof(StartupInfo); memset(&tbl,0,sizeof(tbl)); PerlEnv_get_child_IO(&tbl); StartupInfo.dwFlags = tbl.dwFlags; StartupInfo.dwX = tbl.dwX; StartupInfo.dwY = tbl.dwY; StartupInfo.dwXSize = tbl.dwXSize; StartupInfo.dwYSize = tbl.dwYSize; StartupInfo.dwXCountChars = tbl.dwXCountChars; StartupInfo.dwYCountChars = tbl.dwYCountChars; StartupInfo.dwFillAttribute = tbl.dwFillAttribute; StartupInfo.wShowWindow = tbl.wShowWindow; StartupInfo.hStdInput = tbl.childStdIn; StartupInfo.hStdOutput = tbl.childStdOut; StartupInfo.hStdError = tbl.childStdErr; if (StartupInfo.hStdInput == INVALID_HANDLE_VALUE && StartupInfo.hStdOutput == INVALID_HANDLE_VALUE && StartupInfo.hStdError == INVALID_HANDLE_VALUE) { create |= CREATE_NEW_CONSOLE; } else { StartupInfo.dwFlags |= STARTF_USESTDHANDLES; } if (w32_use_showwindow) { StartupInfo.dwFlags |= STARTF_USESHOWWINDOW; StartupInfo.wShowWindow = w32_showwindow; } DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n", cname,cmd)); RETRY: if (!CreateProcess(cname, /* search PATH to find executable */ cmd, /* executable, and its arguments */ NULL, /* process attributes */ NULL, /* thread attributes */ TRUE, /* inherit handles */ create, /* creation flags */ (LPVOID)env, /* inherit environment */ dir, /* inherit cwd */ &StartupInfo, &ProcessInformation)) { /* initial NULL argument to CreateProcess() does a PATH * search, but it always first looks in the directory * where the current process was started, which behavior * is undesirable for backward compatibility. So we * jump through our own hoops by picking out the path * we really want it to use. */ if (!fullcmd) { fullcmd = qualified_path(cname); if (fullcmd) { if (cname != cmdname) Safefree(cname); cname = fullcmd; DEBUG_p(PerlIO_printf(Perl_debug_log, "Retrying [%s] with same args\n", cname)); goto RETRY; } } errno = ENOENT; ret = -1; goto RETVAL; } if (mode == P_NOWAIT) { /* asynchronous spawn -- store handle, return PID */ ret = (int)ProcessInformation.dwProcessId; if (IsWin95() && ret < 0) ret = -ret; w32_child_handles[w32_num_children] = ProcessInformation.hProcess; w32_child_pids[w32_num_children] = (DWORD)ret; ++w32_num_children; } else { DWORD status; win32_msgwait(aTHX_ 1, &ProcessInformation.hProcess, INFINITE, NULL); /* FIXME: if msgwait returned due to message perhaps forward the "signal" to the process */ GetExitCodeProcess(ProcessInformation.hProcess, &status); ret = (int)status; CloseHandle(ProcessInformation.hProcess); } CloseHandle(ProcessInformation.hThread); RETVAL: PerlEnv_free_childenv(env); PerlEnv_free_childdir(dir); Safefree(cmd); if (cname != cmdname) Safefree(cname); return ret; #endif } DllExport int win32_execv(const char *cmdname, const char *const *argv) { #ifdef USE_ITHREADS dTHX; /* if this is a pseudo-forked child, we just want to spawn * the new program, and return */ if (w32_pseudo_id) return spawnv(P_WAIT, cmdname, (char *const *)argv); #endif return execv(cmdname, (char *const *)argv); } DllExport int win32_execvp(const char *cmdname, const char *const *argv) { #ifdef USE_ITHREADS dTHX; /* if this is a pseudo-forked child, we just want to spawn * the new program, and return */ if (w32_pseudo_id) { int status = win32_spawnvp(P_WAIT, cmdname, (const char *const *)argv); if (status != -1) { my_exit(status); return 0; } else return status; } #endif return execvp(cmdname, (char *const *)argv); } DllExport void win32_perror(const char *str) { perror(str); } DllExport void win32_setbuf(FILE *pf, char *buf) { setbuf(pf, buf); } DllExport int win32_setvbuf(FILE *pf, char *buf, int type, size_t size) { return setvbuf(pf, buf, type, size); } DllExport int win32_flushall(void) { return flushall(); } DllExport int win32_fcloseall(void) { return fcloseall(); } DllExport char* win32_fgets(char *s, int n, FILE *pf) { return fgets(s, n, pf); } DllExport char* win32_gets(char *s) { return gets(s); } DllExport int win32_fgetc(FILE *pf) { return fgetc(pf); } DllExport int win32_putc(int c, FILE *pf) { return putc(c,pf); } DllExport int win32_puts(const char *s) { return puts(s); } DllExport int win32_getchar(void) { return getchar(); } DllExport int win32_putchar(int c) { return putchar(c); } #ifdef MYMALLOC #ifndef USE_PERL_SBRK static char *committed = NULL; /* XXX threadead */ static char *base = NULL; /* XXX threadead */ static char *reserved = NULL; /* XXX threadead */ static char *brk = NULL; /* XXX threadead */ static DWORD pagesize = 0; /* XXX threadead */ void * sbrk(ptrdiff_t need) { void *result; if (!pagesize) {SYSTEM_INFO info; GetSystemInfo(&info); /* Pretend page size is larger so we don't perpetually * call the OS to commit just one page ... */ pagesize = info.dwPageSize << 3; } if (brk+need >= reserved) { DWORD size = brk+need-reserved; char *addr; char *prev_committed = NULL; if (committed && reserved && committed < reserved) { /* Commit last of previous chunk cannot span allocations */ addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE); if (addr) { /* Remember where we committed from in case we want to decommit later */ prev_committed = committed; committed = reserved; } } /* Reserve some (more) space * Contiguous blocks give us greater efficiency, so reserve big blocks - * this is only address space not memory... * Note this is a little sneaky, 1st call passes NULL as reserved * so lets system choose where we start, subsequent calls pass * the old end address so ask for a contiguous block */ sbrk_reserve: if (size < 64*1024*1024) size = 64*1024*1024; size = ((size + pagesize - 1) / pagesize) * pagesize; addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS); if (addr) { reserved = addr+size; if (!base) base = addr; if (!committed) committed = base; if (!brk) brk = committed; } else if (reserved) { /* The existing block could not be extended far enough, so decommit * anything that was just committed above and start anew */ if (prev_committed) { if (!VirtualFree(prev_committed,reserved-prev_committed,MEM_DECOMMIT)) return (void *) -1; } reserved = base = committed = brk = NULL; size = need; goto sbrk_reserve; } else { return (void *) -1; } } result = brk; brk += need; if (brk > committed) { DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize; char *addr; if (committed+size > reserved) size = reserved-committed; addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE); if (addr) committed += size; else return (void *) -1; } return result; } #endif #endif DllExport void* win32_malloc(size_t size) { return malloc(size); } DllExport void* win32_calloc(size_t numitems, size_t size) { return calloc(numitems,size); } DllExport void* win32_realloc(void *block, size_t size) { return realloc(block,size); } DllExport void win32_free(void *block) { free(block); } DllExport int win32_open_osfhandle(intptr_t handle, int flags) { #ifdef USE_FIXED_OSFHANDLE if (IsWin95()) return my_open_osfhandle(handle, flags); #endif return _open_osfhandle(handle, flags); } DllExport intptr_t win32_get_osfhandle(int fd) { return (intptr_t)_get_osfhandle(fd); } DllExport FILE * win32_fdupopen(FILE *pf) { FILE* pfdup; fpos_t pos; char mode[3]; int fileno = win32_dup(win32_fileno(pf)); /* open the file in the same mode */ #ifdef __BORLANDC__ if((pf)->flags & _F_READ) { mode[0] = 'r'; mode[1] = 0; } else if((pf)->flags & _F_WRIT) { mode[0] = 'a'; mode[1] = 0; } else if((pf)->flags & _F_RDWR) { mode[0] = 'r'; mode[1] = '+'; mode[2] = 0; } #else if((pf)->_flag & _IOREAD) { mode[0] = 'r'; mode[1] = 0; } else if((pf)->_flag & _IOWRT) { mode[0] = 'a'; mode[1] = 0; } else if((pf)->_flag & _IORW) { mode[0] = 'r'; mode[1] = '+'; mode[2] = 0; } #endif /* it appears that the binmode is attached to the * file descriptor so binmode files will be handled * correctly */ pfdup = win32_fdopen(fileno, mode); /* move the file pointer to the same position */ if (!fgetpos(pf, &pos)) { fsetpos(pfdup, &pos); } return pfdup; } DllExport void* win32_dynaload(const char* filename) { dTHX; HMODULE hModule; char buf[MAX_PATH+1]; char *first; /* LoadLibrary() doesn't recognize forward slashes correctly, * so turn 'em back. */ first = strchr(filename, '/'); if (first) { STRLEN len = strlen(filename); if (len <= MAX_PATH) { strcpy(buf, filename); filename = &buf[first - filename]; while (*filename) { if (*filename == '/') *(char*)filename = '\\'; ++filename; } filename = buf; } } if (USING_WIDE()) { WCHAR wfilename[MAX_PATH+1]; A2WHELPER(filename, wfilename, sizeof(wfilename)); hModule = LoadLibraryExW(PerlDir_mapW(wfilename), NULL, LOAD_WITH_ALTERED_SEARCH_PATH); } else { hModule = LoadLibraryExA(PerlDir_mapA(filename), NULL, LOAD_WITH_ALTERED_SEARCH_PATH); } return hModule; } /* * Extras. */ static XS(w32_SetChildShowWindow) { dXSARGS; BOOL use_showwindow = w32_use_showwindow; /* use "unsigned short" because Perl has redefined "WORD" */ unsigned short showwindow = w32_showwindow; if (items > 1) Perl_croak(aTHX_ "usage: Win32::SetChildShowWindow($showwindow)"); if (items == 0 || !SvOK(ST(0))) w32_use_showwindow = FALSE; else { w32_use_showwindow = TRUE; w32_showwindow = (unsigned short)SvIV(ST(0)); } EXTEND(SP, 1); if (use_showwindow) ST(0) = sv_2mortal(newSViv(showwindow)); else ST(0) = &PL_sv_undef; XSRETURN(1); } static XS(w32_GetCwd) { dXSARGS; /* Make the host for current directory */ char* ptr = PerlEnv_get_childdir(); /* * If ptr != Nullch * then it worked, set PV valid, * else return 'undef' */ if (ptr) { SV *sv = sv_newmortal(); sv_setpv(sv, ptr); PerlEnv_free_childdir(ptr); #ifndef INCOMPLETE_TAINTS SvTAINTED_on(sv); #endif EXTEND(SP,1); SvPOK_on(sv); ST(0) = sv; XSRETURN(1); } XSRETURN_UNDEF; } static XS(w32_SetCwd) { dXSARGS; if (items != 1) Perl_croak(aTHX_ "usage: Win32::SetCurrentDirectory($cwd)"); if (!PerlDir_chdir(SvPV_nolen(ST(0)))) XSRETURN_YES; XSRETURN_NO; } static XS(w32_GetNextAvailDrive) { dXSARGS; char ix = 'C'; char root[] = "_:\\"; EXTEND(SP,1); while (ix <= 'Z') { root[0] = ix++; if (GetDriveType(root) == 1) { root[2] = '\0'; XSRETURN_PV(root); } } XSRETURN_UNDEF; } static XS(w32_GetLastError) { dXSARGS; EXTEND(SP,1); XSRETURN_IV(GetLastError()); } static XS(w32_SetLastError) { dXSARGS; if (items != 1) Perl_croak(aTHX_ "usage: Win32::SetLastError($error)"); SetLastError(SvIV(ST(0))); XSRETURN_EMPTY; } static XS(w32_LoginName) { dXSARGS; char *name = w32_getlogin_buffer; DWORD size = sizeof(w32_getlogin_buffer); EXTEND(SP,1); if (GetUserName(name,&size)) { /* size includes NULL */ ST(0) = sv_2mortal(newSVpvn(name,size-1)); XSRETURN(1); } XSRETURN_UNDEF; } static XS(w32_NodeName) { dXSARGS; char name[MAX_COMPUTERNAME_LENGTH+1]; DWORD size = sizeof(name); EXTEND(SP,1); if (GetComputerName(name,&size)) { /* size does NOT include NULL :-( */ ST(0) = sv_2mortal(newSVpvn(name,size)); XSRETURN(1); } XSRETURN_UNDEF; } static XS(w32_DomainName) { dXSARGS; HINSTANCE hNetApi32 = LoadLibrary("netapi32.dll"); DWORD (__stdcall *pfnNetApiBufferFree)(LPVOID Buffer); DWORD (__stdcall *pfnNetWkstaGetInfo)(LPWSTR servername, DWORD level, void *bufptr); if (hNetApi32) { pfnNetApiBufferFree = (DWORD (__stdcall *)(void *)) GetProcAddress(hNetApi32, "NetApiBufferFree"); pfnNetWkstaGetInfo = (DWORD (__stdcall *)(LPWSTR, DWORD, void *)) GetProcAddress(hNetApi32, "NetWkstaGetInfo"); } EXTEND(SP,1); if (hNetApi32 && pfnNetWkstaGetInfo && pfnNetApiBufferFree) { /* this way is more reliable, in case user has a local account. */ char dname[256]; DWORD dnamelen = sizeof(dname); struct { DWORD wki100_platform_id; LPWSTR wki100_computername; LPWSTR wki100_langroup; DWORD wki100_ver_major; DWORD wki100_ver_minor; } *pwi; /* NERR_Success *is* 0*/ if (0 == pfnNetWkstaGetInfo(NULL, 100, &pwi)) { if (pwi->wki100_langroup && *(pwi->wki100_langroup)) { WideCharToMultiByte(CP_ACP, 0, pwi->wki100_langroup, -1, (LPSTR)dname, dnamelen, NULL, NULL); } else { WideCharToMultiByte(CP_ACP, 0, pwi->wki100_computername, -1, (LPSTR)dname, dnamelen, NULL, NULL); } pfnNetApiBufferFree(pwi); FreeLibrary(hNetApi32); XSRETURN_PV(dname); } FreeLibrary(hNetApi32); } else { /* Win95 doesn't have NetWksta*(), so do it the old way */ char name[256]; DWORD size = sizeof(name); if (hNetApi32) FreeLibrary(hNetApi32); if (GetUserName(name,&size)) { char sid[ONE_K_BUFSIZE]; DWORD sidlen = sizeof(sid); char dname[256]; DWORD dnamelen = sizeof(dname); SID_NAME_USE snu; if (LookupAccountName(NULL, name, (PSID)&sid, &sidlen, dname, &dnamelen, &snu)) { XSRETURN_PV(dname); /* all that for this */ } } } XSRETURN_UNDEF; } static XS(w32_FsType) { dXSARGS; char fsname[256]; DWORD flags, filecomplen; if (GetVolumeInformation(NULL, NULL, 0, NULL, &filecomplen, &flags, fsname, sizeof(fsname))) { if (GIMME_V == G_ARRAY) { XPUSHs(sv_2mortal(newSVpvn(fsname,strlen(fsname)))); XPUSHs(sv_2mortal(newSViv(flags))); XPUSHs(sv_2mortal(newSViv(filecomplen))); PUTBACK; return; } EXTEND(SP,1); XSRETURN_PV(fsname); } XSRETURN_EMPTY; } static XS(w32_GetOSVersion) { dXSARGS; /* Use explicit struct definition because wSuiteMask and * wProductType are not defined in the VC++ 6.0 headers. * WORD type has been replaced by unsigned short because * WORD is already used by Perl itself. */ struct { DWORD dwOSVersionInfoSize; DWORD dwMajorVersion; DWORD dwMinorVersion; DWORD dwBuildNumber; DWORD dwPlatformId; CHAR szCSDVersion[128]; unsigned short wServicePackMajor; unsigned short wServicePackMinor; unsigned short wSuiteMask; BYTE wProductType; BYTE wReserved; } osver; BOOL bEx = TRUE; if (USING_WIDE()) { struct { DWORD dwOSVersionInfoSize; DWORD dwMajorVersion; DWORD dwMinorVersion; DWORD dwBuildNumber; DWORD dwPlatformId; WCHAR szCSDVersion[128]; unsigned short wServicePackMajor; unsigned short wServicePackMinor; unsigned short wSuiteMask; BYTE wProductType; BYTE wReserved; } osverw; char szCSDVersion[sizeof(osverw.szCSDVersion)]; osverw.dwOSVersionInfoSize = sizeof(osverw); if (!GetVersionExW((OSVERSIONINFOW*)&osverw)) { bEx = FALSE; osverw.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW); if (!GetVersionExW((OSVERSIONINFOW*)&osverw)) { XSRETURN_EMPTY; } } if (GIMME_V == G_SCALAR) { XSRETURN_IV(osverw.dwPlatformId); } W2AHELPER(osverw.szCSDVersion, szCSDVersion, sizeof(szCSDVersion)); XPUSHs(newSVpvn(szCSDVersion, strlen(szCSDVersion))); osver.dwMajorVersion = osverw.dwMajorVersion; osver.dwMinorVersion = osverw.dwMinorVersion; osver.dwBuildNumber = osverw.dwBuildNumber; osver.dwPlatformId = osverw.dwPlatformId; osver.wServicePackMajor = osverw.wServicePackMajor; osver.wServicePackMinor = osverw.wServicePackMinor; osver.wSuiteMask = osverw.wSuiteMask; osver.wProductType = osverw.wProductType; } else { osver.dwOSVersionInfoSize = sizeof(osver); if (!GetVersionExA((OSVERSIONINFOA*)&osver)) { bEx = FALSE; osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA); if (!GetVersionExA((OSVERSIONINFOA*)&osver)) { XSRETURN_EMPTY; } } if (GIMME_V == G_SCALAR) { XSRETURN_IV(osver.dwPlatformId); } XPUSHs(newSVpvn(osver.szCSDVersion, strlen(osver.szCSDVersion))); } XPUSHs(newSViv(osver.dwMajorVersion)); XPUSHs(newSViv(osver.dwMinorVersion)); XPUSHs(newSViv(osver.dwBuildNumber)); XPUSHs(newSViv(osver.dwPlatformId)); if (bEx) { XPUSHs(newSViv(osver.wServicePackMajor)); XPUSHs(newSViv(osver.wServicePackMinor)); XPUSHs(newSViv(osver.wSuiteMask)); XPUSHs(newSViv(osver.wProductType)); } PUTBACK; } static XS(w32_IsWinNT) { dXSARGS; EXTEND(SP,1); XSRETURN_IV(IsWinNT()); } static XS(w32_IsWin95) { dXSARGS; EXTEND(SP,1); XSRETURN_IV(IsWin95()); } static XS(w32_FormatMessage) { dXSARGS; DWORD source = 0; char msgbuf[ONE_K_BUFSIZE]; if (items != 1) Perl_croak(aTHX_ "usage: Win32::FormatMessage($errno)"); if (USING_WIDE()) { WCHAR wmsgbuf[ONE_K_BUFSIZE]; if (FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, &source, SvIV(ST(0)), 0, wmsgbuf, ONE_K_BUFSIZE-1, NULL)) { W2AHELPER(wmsgbuf, msgbuf, sizeof(msgbuf)); XSRETURN_PV(msgbuf); } } else { if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, &source, SvIV(ST(0)), 0, msgbuf, sizeof(msgbuf)-1, NULL)) XSRETURN_PV(msgbuf); } XSRETURN_UNDEF; } static XS(w32_Spawn) { dXSARGS; char *cmd, *args; void *env; char *dir; PROCESS_INFORMATION stProcInfo; STARTUPINFO stStartInfo; BOOL bSuccess = FALSE; if (items != 3) Perl_croak(aTHX_ "usage: Win32::Spawn($cmdName, $args, $PID)"); cmd = SvPV_nolen(ST(0)); args = SvPV_nolen(ST(1)); env = PerlEnv_get_childenv(); dir = PerlEnv_get_childdir(); memset(&stStartInfo, 0, sizeof(stStartInfo)); /* Clear the block */ stStartInfo.cb = sizeof(stStartInfo); /* Set the structure size */ stStartInfo.dwFlags = STARTF_USESHOWWINDOW; /* Enable wShowWindow control */ stStartInfo.wShowWindow = SW_SHOWMINNOACTIVE; /* Start min (normal) */ if (CreateProcess( cmd, /* Image path */ args, /* Arguments for command line */ NULL, /* Default process security */ NULL, /* Default thread security */ FALSE, /* Must be TRUE to use std handles */ NORMAL_PRIORITY_CLASS, /* No special scheduling */ env, /* Inherit our environment block */ dir, /* Inherit our currrent directory */ &stStartInfo, /* -> Startup info */ &stProcInfo)) /* <- Process info (if OK) */ { int pid = (int)stProcInfo.dwProcessId; if (IsWin95() && pid < 0) pid = -pid; sv_setiv(ST(2), pid); CloseHandle(stProcInfo.hThread);/* library source code does this. */ bSuccess = TRUE; } PerlEnv_free_childenv(env); PerlEnv_free_childdir(dir); XSRETURN_IV(bSuccess); } static XS(w32_GetTickCount) { dXSARGS; DWORD msec = GetTickCount(); EXTEND(SP,1); if ((IV)msec > 0) XSRETURN_IV(msec); XSRETURN_NV(msec); } static XS(w32_GetShortPathName) { dXSARGS; SV *shortpath; DWORD len; if (items != 1) Perl_croak(aTHX_ "usage: Win32::GetShortPathName($longPathName)"); shortpath = sv_mortalcopy(ST(0)); SvUPGRADE(shortpath, SVt_PV); if (!SvPVX(shortpath) || !SvLEN(shortpath)) XSRETURN_UNDEF; /* src == target is allowed */ do { len = GetShortPathName(SvPVX(shortpath), SvPVX(shortpath), SvLEN(shortpath)); } while (len >= SvLEN(shortpath) && sv_grow(shortpath,len+1)); if (len) { SvCUR_set(shortpath,len); *SvEND(shortpath) = '\0'; ST(0) = shortpath; XSRETURN(1); } XSRETURN_UNDEF; } static XS(w32_GetFullPathName) { dXSARGS; SV *filename; SV *fullpath; char *filepart; DWORD len; STRLEN filename_len; char *filename_p; if (items != 1) Perl_croak(aTHX_ "usage: Win32::GetFullPathName($filename)"); filename = ST(0); filename_p = SvPV(filename, filename_len); fullpath = sv_2mortal(newSVpvn(filename_p, filename_len)); if (!SvPVX(fullpath) || !SvLEN(fullpath)) XSRETURN_UNDEF; do { len = GetFullPathName(SvPVX(filename), SvLEN(fullpath), SvPVX(fullpath), &filepart); } while (len >= SvLEN(fullpath) && sv_grow(fullpath,len+1)); if (len) { if (GIMME_V == G_ARRAY) { EXTEND(SP,1); if (filepart) { XST_mPV(1,filepart); len = filepart - SvPVX(fullpath); } else { XST_mPVN(1,"",0); } items = 2; } SvCUR_set(fullpath,len); *SvEND(fullpath) = '\0'; ST(0) = fullpath; XSRETURN(items); } XSRETURN_EMPTY; } static XS(w32_GetLongPathName) { dXSARGS; SV *path; char tmpbuf[MAX_PATH+1]; char *pathstr; STRLEN len; if (items != 1) Perl_croak(aTHX_ "usage: Win32::GetLongPathName($pathname)"); path = ST(0); pathstr = SvPV(path,len); strcpy(tmpbuf, pathstr); pathstr = win32_longpath(tmpbuf); if (pathstr) { ST(0) = sv_2mortal(newSVpvn(pathstr, strlen(pathstr))); XSRETURN(1); } XSRETURN_EMPTY; } static XS(w32_Sleep) { dXSARGS; if (items != 1) Perl_croak(aTHX_ "usage: Win32::Sleep($milliseconds)"); Sleep(SvIV(ST(0))); XSRETURN_YES; } static XS(w32_CopyFile) { dXSARGS; BOOL bResult; if (items != 3) Perl_croak(aTHX_ "usage: Win32::CopyFile($from, $to, $overwrite)"); if (USING_WIDE()) { WCHAR wSourceFile[MAX_PATH+1]; WCHAR wDestFile[MAX_PATH+1]; A2WHELPER(SvPV_nolen(ST(0)), wSourceFile, sizeof(wSourceFile)); wcscpy(wSourceFile, PerlDir_mapW(wSourceFile)); A2WHELPER(SvPV_nolen(ST(1)), wDestFile, sizeof(wDestFile)); bResult = CopyFileW(wSourceFile, PerlDir_mapW(wDestFile), !SvTRUE(ST(2))); } else { char szSourceFile[MAX_PATH+1]; strcpy(szSourceFile, PerlDir_mapA(SvPV_nolen(ST(0)))); bResult = CopyFileA(szSourceFile, PerlDir_mapA(SvPV_nolen(ST(1))), !SvTRUE(ST(2))); } if (bResult) XSRETURN_YES; XSRETURN_NO; } void Perl_init_os_extras(void) { dTHX; char *file = __FILE__; dXSUB_SYS; /* these names are Activeware compatible */ newXS("Win32::GetCwd", w32_GetCwd, file); newXS("Win32::SetCwd", w32_SetCwd, file); newXS("Win32::GetNextAvailDrive", w32_GetNextAvailDrive, file); newXS("Win32::GetLastError", w32_GetLastError, file); newXS("Win32::SetLastError", w32_SetLastError, file); newXS("Win32::LoginName", w32_LoginName, file); newXS("Win32::NodeName", w32_NodeName, file); newXS("Win32::DomainName", w32_DomainName, file); newXS("Win32::FsType", w32_FsType, file); newXS("Win32::GetOSVersion", w32_GetOSVersion, file); newXS("Win32::IsWinNT", w32_IsWinNT, file); newXS("Win32::IsWin95", w32_IsWin95, file); newXS("Win32::FormatMessage", w32_FormatMessage, file); newXS("Win32::Spawn", w32_Spawn, file); newXS("Win32::GetTickCount", w32_GetTickCount, file); newXS("Win32::GetShortPathName", w32_GetShortPathName, file); newXS("Win32::GetFullPathName", w32_GetFullPathName, file); newXS("Win32::GetLongPathName", w32_GetLongPathName, file); newXS("Win32::CopyFile", w32_CopyFile, file); newXS("Win32::Sleep", w32_Sleep, file); newXS("Win32::SetChildShowWindow", w32_SetChildShowWindow, file); /* XXX Bloat Alert! The following Activeware preloads really * ought to be part of Win32::Sys::*, so they're not included * here. */ /* LookupAccountName * LookupAccountSID * InitiateSystemShutdown * AbortSystemShutdown * ExpandEnvrironmentStrings */ } void * win32_signal_context(void) { dTHX; #ifdef MULTIPLICITY if (!my_perl) { my_perl = PL_curinterp; PERL_SET_THX(my_perl); } return my_perl; #else #ifdef USE_5005THREADS return aTHX; #else return PL_curinterp; #endif #endif } BOOL WINAPI win32_ctrlhandler(DWORD dwCtrlType) { #ifdef MULTIPLICITY dTHXa(PERL_GET_SIG_CONTEXT); if (!my_perl) return FALSE; #else #ifdef USE_5005THREADS dTHX; #endif #endif switch(dwCtrlType) { case CTRL_CLOSE_EVENT: /* A signal that the system sends to all processes attached to a console when the user closes the console (either by choosing the Close command from the console window's System menu, or by choosing the End Task command from the Task List */ if (do_raise(aTHX_ 1)) /* SIGHUP */ sig_terminate(aTHX_ 1); return TRUE; case CTRL_C_EVENT: /* A CTRL+c signal was received */ if (do_raise(aTHX_ SIGINT)) sig_terminate(aTHX_ SIGINT); return TRUE; case CTRL_BREAK_EVENT: /* A CTRL+BREAK signal was received */ if (do_raise(aTHX_ SIGBREAK)) sig_terminate(aTHX_ SIGBREAK); return TRUE; case CTRL_LOGOFF_EVENT: /* A signal that the system sends to all console processes when a user is logging off. This signal does not indicate which user is logging off, so no assumptions can be made. */ break; case CTRL_SHUTDOWN_EVENT: /* A signal that the system sends to all console processes when the system is shutting down. */ if (do_raise(aTHX_ SIGTERM)) sig_terminate(aTHX_ SIGTERM); return TRUE; default: break; } return FALSE; } void Perl_win32_init(int *argcp, char ***argvp) { /* Disable floating point errors, Perl will trap the ones we * care about. VC++ RTL defaults to switching these off * already, but the Borland RTL doesn't. Since we don't * want to be at the vendor's whim on the default, we set * it explicitly here. */ #if !defined(_ALPHA_) && !defined(__GNUC__) _control87(MCW_EM, MCW_EM); #endif MALLOC_INIT; } void Perl_win32_term(void) { OP_REFCNT_TERM; MALLOC_TERM; } void win32_get_child_IO(child_IO_table* ptbl) { ptbl->childStdIn = GetStdHandle(STD_INPUT_HANDLE); ptbl->childStdOut = GetStdHandle(STD_OUTPUT_HANDLE); ptbl->childStdErr = GetStdHandle(STD_ERROR_HANDLE); } Sighandler_t win32_signal(int sig, Sighandler_t subcode) { dTHX; if (sig < SIG_SIZE) { int save_errno = errno; Sighandler_t result = signal(sig, subcode); if (result == SIG_ERR) { result = w32_sighandler[sig]; errno = save_errno; } w32_sighandler[sig] = subcode; return result; } else { errno = EINVAL; return SIG_ERR; } } #ifdef HAVE_INTERP_INTERN static void win32_csighandler(int sig) { #if 0 dTHXa(PERL_GET_SIG_CONTEXT); Perl_warn(aTHX_ "Got signal %d",sig); #endif /* Does nothing */ } void Perl_sys_intern_init(pTHX) { int i; w32_perlshell_tokens = Nullch; w32_perlshell_vec = (char**)NULL; w32_perlshell_items = 0; w32_fdpid = newAV(); New(1313, w32_children, 1, child_tab); w32_num_children = 0; # ifdef USE_ITHREADS w32_pseudo_id = 0; New(1313, w32_pseudo_children, 1, child_tab); w32_num_pseudo_children = 0; # endif w32_init_socktype = 0; w32_timerid = 0; w32_poll_count = 0; for (i=0; i < SIG_SIZE; i++) { w32_sighandler[i] = SIG_DFL; } # ifdef MULTIPLICTY if (my_perl == PL_curinterp) { # else { # endif /* Force C runtime signal stuff to set its console handler */ signal(SIGINT,&win32_csighandler); signal(SIGBREAK,&win32_csighandler); /* Push our handler on top */ SetConsoleCtrlHandler(win32_ctrlhandler,TRUE); } } void Perl_sys_intern_clear(pTHX) { Safefree(w32_perlshell_tokens); Safefree(w32_perlshell_vec); /* NOTE: w32_fdpid is freed by sv_clean_all() */ Safefree(w32_children); if (w32_timerid) { KillTimer(NULL,w32_timerid); w32_timerid=0; } # ifdef MULTIPLICITY if (my_perl == PL_curinterp) { # else { # endif SetConsoleCtrlHandler(win32_ctrlhandler,FALSE); } # ifdef USE_ITHREADS Safefree(w32_pseudo_children); # endif } # ifdef USE_ITHREADS void Perl_sys_intern_dup(pTHX_ struct interp_intern *src, struct interp_intern *dst) { dst->perlshell_tokens = Nullch; dst->perlshell_vec = (char**)NULL; dst->perlshell_items = 0; dst->fdpid = newAV(); Newz(1313, dst->children, 1, child_tab); dst->pseudo_id = 0; Newz(1313, dst->pseudo_children, 1, child_tab); dst->thr_intern.Winit_socktype = 0; dst->timerid = 0; dst->poll_count = 0; Copy(src->sigtable,dst->sigtable,SIG_SIZE,Sighandler_t); } # endif /* USE_ITHREADS */ #endif /* HAVE_INTERP_INTERN */ static void win32_free_argvw(pTHX_ void *ptr) { char** argv = (char**)ptr; while(*argv) { Safefree(*argv); *argv++ = Nullch; } } void win32_argv2utf8(int argc, char** argv) { dTHX; char* psz; int length, wargc; LPWSTR* lpwStr = CommandLineToArgvW(GetCommandLineW(), &wargc); if (lpwStr && argc) { while (argc--) { length = WideCharToMultiByte(CP_UTF8, 0, lpwStr[--wargc], -1, NULL, 0, NULL, NULL); Newz(0, psz, length, char); WideCharToMultiByte(CP_UTF8, 0, lpwStr[wargc], -1, psz, length, NULL, NULL); argv[argc] = psz; } call_atexit(win32_free_argvw, argv); } GlobalFree((HGLOBAL)lpwStr); }