diff options
Diffstat (limited to 'gnu/egcs/libf2c/libI77/open.c')
-rw-r--r-- | gnu/egcs/libf2c/libI77/open.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/gnu/egcs/libf2c/libI77/open.c b/gnu/egcs/libf2c/libI77/open.c deleted file mode 100644 index 8c72e173dad..00000000000 --- a/gnu/egcs/libf2c/libI77/open.c +++ /dev/null @@ -1,301 +0,0 @@ -/* Define _XOPEN_SOURCE to get tempnam prototype with glibc et al -- - more general than _INCLUDE_XOPEN_SOURCE used elsewhere `for HP-UX'. */ -#define _XOPEN_SOURCE 1 -#include "f2c.h" -#include "fio.h" -#include <string.h> -#include <stdio.h> -#ifndef NON_POSIX_STDIO -#ifdef MSDOS -#include "io.h" -#else -#include "unistd.h" /* for access */ -#endif -#endif - -#ifdef KR_headers -extern char *malloc(); -extern char *tempnam(); -#ifdef NON_ANSI_STDIO -extern char *mktemp(); -#endif -extern integer f_clos(); -#else -#undef abs -#undef min -#undef max -#include <stdlib.h> -extern int f__canseek(FILE*); -extern integer f_clos(cllist*); -#endif - -#ifdef NON_ANSI_RW_MODES -char *f__r_mode[2] = {"r", "r"}; -char *f__w_mode[4] = {"w", "w", "r+w", "r+w"}; -#else -char *f__r_mode[2] = {"rb", "r"}; -char *f__w_mode[4] = {"wb", "w", "r+b", "r+"}; -#endif - - static char f__buf0[400], *f__buf = f__buf0; - int f__buflen = (int)sizeof(f__buf0); - - static void -#ifdef KR_headers -f__bufadj(n, c) int n, c; -#else -f__bufadj(int n, int c) -#endif -{ - unsigned int len; - char *nbuf, *s, *t, *te; - - if (f__buf == f__buf0) - f__buflen = 1024; - while(f__buflen <= n) - f__buflen <<= 1; - len = (unsigned int)f__buflen; - if (len != f__buflen || !(nbuf = (char*)malloc(len))) - f__fatal(113, "malloc failure"); - s = nbuf; - t = f__buf; - te = t + c; - while(t < te) - *s++ = *t++; - if (f__buf != f__buf0) - free(f__buf); - f__buf = nbuf; - } - - int -#ifdef KR_headers -f__putbuf(c) int c; -#else -f__putbuf(int c) -#endif -{ - char *s, *se; - int n; - - if (f__hiwater > f__recpos) - f__recpos = f__hiwater; - n = f__recpos + 1; - if (n >= f__buflen) - f__bufadj(n, f__recpos); - s = f__buf; - se = s + f__recpos; - if (c) - *se++ = c; - *se = 0; - for(;;) { - fputs(s, f__cf); - s += strlen(s); - if (s >= se) - break; /* normally happens the first time */ - putc(*s++, f__cf); - } - return 0; - } - - void -#ifdef KR_headers -x_putc(c) -#else -x_putc(int c) -#endif -{ - if (f__recpos >= f__buflen) - f__bufadj(f__recpos, f__buflen); - f__buf[f__recpos++] = c; - } - -#define opnerr(f,m,s) \ - do {if(f) {f__init &= ~2; errno= m;} else opn_err(m,s,a); return(m);} while(0) - - static void -#ifdef KR_headers -opn_err(m, s, a) int m; char *s; olist *a; -#else -opn_err(int m, char *s, olist *a) -#endif -{ - if (a->ofnm) { - /* supply file name to error message */ - if (a->ofnmlen >= f__buflen) - f__bufadj((int)a->ofnmlen, 0); - g_char(a->ofnm, a->ofnmlen, f__curunit->ufnm = f__buf); - } - f__fatal(m, s); - } - -#ifdef KR_headers -integer f_open(a) olist *a; -#else -integer f_open(olist *a) -#endif -{ unit *b; - integer rv; - char buf[256], *s; - cllist x; - int ufmt; - FILE *tf; -#ifndef NON_UNIX_STDIO - int n; -#endif - if(f__init != 1) f_init(); - f__external = 1; - if(a->ounit>=MXUNIT || a->ounit<0) - err(a->oerr,101,"open"); - f__curunit = b = &f__units[a->ounit]; - if(b->ufd) { - if(a->ofnm==0) - { - same: if (a->oblnk) - b->ublnk = *a->oblnk == 'z' || *a->oblnk == 'Z'; - return(0); - } -#ifdef NON_UNIX_STDIO - if (b->ufnm - && strlen(b->ufnm) == a->ofnmlen - && !strncmp(b->ufnm, a->ofnm, (unsigned)a->ofnmlen)) - goto same; -#else - g_char(a->ofnm,a->ofnmlen,buf); - if (f__inode(buf,&n) == b->uinode && n == b->udev) - goto same; -#endif - x.cunit=a->ounit; - x.csta=0; - x.cerr=a->oerr; - if ((rv = f_clos(&x)) != 0) - return rv; - } - b->url = (int)a->orl; - b->ublnk = a->oblnk && (*a->oblnk == 'z' || *a->oblnk == 'Z'); - if(a->ofm==0) - { if(b->url>0) b->ufmt=0; - else b->ufmt=1; - } - else if(*a->ofm=='f' || *a->ofm == 'F') b->ufmt=1; - else b->ufmt=0; - ufmt = b->ufmt; -#ifdef url_Adjust - if (b->url && !ufmt) - url_Adjust(b->url); -#endif - if (a->ofnm) { - g_char(a->ofnm,a->ofnmlen,buf); - if (!buf[0]) - opnerr(a->oerr,107,"open"); - } - else - sprintf(buf, "fort.%ld", (long)a->ounit); - b->uscrtch = 0; - b->uend=0; - b->uwrt = 0; - b->ufd = 0; - b->urw = 3; - switch(a->osta ? *a->osta : 'u') - { - case 'o': - case 'O': -#ifdef NON_POSIX_STDIO - if (!(tf = fopen(buf,"r"))) - opnerr(a->oerr,errno,"open"); - fclose(tf); -#else - if (access(buf,0)) - opnerr(a->oerr,errno,"open"); -#endif - break; - case 's': - case 'S': - b->uscrtch=1; -#ifdef HAVE_TEMPNAM /* Allow use of TMPDIR preferentially. */ - s = (char *)tempnam (NULL, buf); - if (strlen (s) >= sizeof (buf)) - err (a->oerr, 132, "open"); - (void) strcpy (buf, s); - free (s); -#else /* ! defined (HAVE_TEMPNAM) */ -#ifdef _POSIX_SOURCE - tmpnam(buf); -#else - (void) strcpy(buf,"tmp.FXXXXXX"); - (void) mktemp(buf); -#endif -#endif /* ! defined (HAVE_TEMPNAM) */ - goto replace; - case 'n': - case 'N': -#ifdef NON_POSIX_STDIO - if ((tf = fopen(buf,"r")) || (tf = fopen(buf,"a"))) { - fclose(tf); - opnerr(a->oerr,128,"open"); - } -#else - if (!access(buf,0)) - opnerr(a->oerr,128,"open"); -#endif - /* no break */ - case 'r': /* Fortran 90 replace option */ - case 'R': - replace: - if (tf = fopen(buf,f__w_mode[0])) - fclose(tf); - } - - b->ufnm=(char *) malloc((unsigned int)(strlen(buf)+1)); - if(b->ufnm==NULL) opnerr(a->oerr,113,"no space"); - (void) strcpy(b->ufnm,buf); - if ((s = a->oacc) && b->url) - ufmt = 0; - if(!(tf = fopen(buf, f__w_mode[ufmt|2]))) { - if (tf = fopen(buf, f__r_mode[ufmt])) - b->urw = 1; - else if (tf = fopen(buf, f__w_mode[ufmt])) { - b->uwrt = 1; - b->urw = 2; - } - else - err(a->oerr, errno, "open"); - } - b->useek = f__canseek(b->ufd = tf); -#ifndef NON_UNIX_STDIO - if((b->uinode = f__inode(buf,&b->udev)) == -1) - opnerr(a->oerr,108,"open"); -#endif - if(b->useek) - if (a->orl) - rewind(b->ufd); - else if ((s = a->oacc) && (*s == 'a' || *s == 'A') - && fseek(b->ufd, 0L, SEEK_END)) - opnerr(a->oerr,129,"open"); - return(0); -} -#ifdef KR_headers -fk_open(seq,fmt,n) ftnint n; -#else -fk_open(int seq, int fmt, ftnint n) -#endif -{ char nbuf[10]; - olist a; - int rtn; - int save_init; - - (void) sprintf(nbuf,"fort.%ld",(long)n); - a.oerr=1; - a.ounit=n; - a.ofnm=nbuf; - a.ofnmlen=strlen(nbuf); - a.osta=NULL; - a.oacc= seq==SEQ?"s":"d"; - a.ofm = fmt==FMT?"f":"u"; - a.orl = seq==DIR?1:0; - a.oblnk=NULL; - save_init = f__init; - f__init &= ~2; - rtn = f_open(&a); - f__init = save_init | 1; - return rtn; -} |