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|
/* $OpenBSD: rcsprog.c,v 1.106 2006/04/18 02:46:21 ray Exp $ */
/*
* Copyright (c) 2005 Jean-Francois Brousseau <jfb@openbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
#include "rcsprog.h"
#define RCS_CMD_MAXARG 128
#define RCSPROG_OPTSTRING "A:a:b::c:e::ik:Ll::m:Mn:N:o:qt::TUu::Vx::z::"
#define DESC_PROMPT "enter description, terminated with single '.' " \
"or end of file:\nNOTE: This is NOT the log message!" \
"\n>> "
const char rcs_version[] = "OpenCVS RCS version 3.6";
int verbose = 1;
int pipeout = 0;
int flags;
int rcsflags;
int rcs_optind;
char *rcs_optarg;
char *rcs_suffixes;
char *rcs_tmpdir = RCS_TMPDIR_DEFAULT;
struct rcs_prog {
char *prog_name;
int (*prog_hdlr)(int, char **);
void (*prog_usage)(void);
} programs[] = {
{ "rcs", rcs_main, rcs_usage },
{ "ci", checkin_main, checkin_usage },
{ "co", checkout_main, checkout_usage },
{ "rcsclean", rcsclean_main, rcsclean_usage },
{ "rcsdiff", rcsdiff_main, rcsdiff_usage },
{ "rcsmerge", rcsmerge_main, rcsmerge_usage },
{ "rlog", rlog_main, rlog_usage },
{ "ident", ident_main, ident_usage },
};
struct cvs_wklhead rcs_temp_files;
void sighdlr(int);
static void rcs_set_description(RCSFILE *, const char *);
static void rcs_attach_symbol(RCSFILE *, const char *);
/* ARGSUSED */
void
sighdlr(int sig)
{
cvs_worklist_clean(&rcs_temp_files, cvs_worklist_unlink);
_exit(1);
}
/*
* Allocate an RCSNUM and store in <rev>.
*/
void
rcs_set_rev(const char *str, RCSNUM **rev)
{
if (str == NULL || (*rev = rcsnum_parse(str)) == NULL)
fatal("bad revision number '%s'", str);
}
/*
* rcs_get_mtime()
*
* Get <filename> last modified time.
* Returns last modified time on success, or -1 on failure.
*/
time_t
rcs_get_mtime(const char *filename)
{
struct stat st;
time_t mtime;
if (stat(filename, &st) == -1) {
cvs_log(LP_ERRNO, "failed to stat `%s'", filename);
return (-1);
}
mtime = (time_t)st.st_mtimespec.tv_sec;
return (mtime);
}
/*
* rcs_set_mtime()
*
* Set <filename> last modified time to <mtime> if it's not set to -1.
*/
void
rcs_set_mtime(const char *filename, time_t mtime)
{
static struct timeval tv[2];
if (mtime == -1)
return;
tv[0].tv_sec = mtime;
tv[1].tv_sec = tv[0].tv_sec;
if (utimes(filename, tv) == -1)
fatal("error setting utimes: %s", strerror(errno));
}
int
rcs_init(char *envstr, char **argv, int argvlen)
{
u_int i;
int argc, error;
char linebuf[256], *lp, *cp;
strlcpy(linebuf, envstr, sizeof(linebuf));
memset(argv, 0, argvlen * sizeof(char *));
error = argc = 0;
for (lp = linebuf; lp != NULL;) {
cp = strsep(&lp, " \t\b\f\n\r\t\v");
if (cp == NULL)
break;
else if (*cp == '\0')
continue;
if (argc == argvlen) {
error++;
break;
}
argv[argc] = xstrdup(cp);
argc++;
}
if (error != 0) {
for (i = 0; i < (u_int)argc; i++)
xfree(argv[i]);
argc = -1;
}
return (argc);
}
int
rcs_getopt(int argc, char **argv, const char *optstr)
{
char *a;
const char *c;
static int i = 1;
int opt, hasargument, ret;
hasargument = 0;
rcs_optarg = NULL;
if (i >= argc)
return (-1);
a = argv[i++];
if (*a++ != '-')
return (-1);
ret = 0;
opt = *a;
for (c = optstr; *c != '\0'; c++) {
if (*c == opt) {
a++;
ret = opt;
if (*(c + 1) == ':') {
if (*(c + 2) == ':') {
if (*a != '\0')
hasargument = 1;
} else {
if (*a != '\0') {
hasargument = 1;
} else {
ret = 1;
break;
}
}
}
if (hasargument == 1)
rcs_optarg = a;
if (ret == opt)
rcs_optind++;
break;
}
}
if (ret == 0)
cvs_log(LP_ERR, "unknown option -%c", opt);
else if (ret == 1)
cvs_log(LP_ERR, "missing argument for option -%c", opt);
return (ret);
}
/*
* rcs_choosefile()
*
* Given a relative filename, decide where the corresponding RCS file
* should be. Tries each extension until a file is found. If no file
* was found, returns a path with the first extension.
*
* Returns pointer to a char array on success, NULL on failure.
*/
char *
rcs_choosefile(const char *filename)
{
struct stat sb;
char *p, *ext, name[MAXPATHLEN], *next, *ptr, rcsdir[MAXPATHLEN],
*ret, *suffixes, rcspath[MAXPATHLEN];
/* If -x flag was not given, use default. */
if (rcs_suffixes == NULL)
rcs_suffixes = RCS_DEFAULT_SUFFIX;
/*
* If `filename' contains a directory, `rcspath' contains that
* directory, including a trailing slash. Otherwise `rcspath'
* contains an empty string.
*/
if (strlcpy(rcspath, filename, sizeof(rcspath)) >= sizeof(rcspath))
return (NULL);
/* If `/' is found, end string after `/'. */
if ((ptr = strrchr(rcspath, '/')) != NULL)
*(++ptr) = '\0';
else
rcspath[0] = '\0';
/* Append RCS/ to `rcspath' if it exists. */
if (strlcpy(rcsdir, rcspath, sizeof(rcsdir)) >= sizeof(rcsdir) ||
strlcat(rcsdir, RCSDIR, sizeof(rcsdir)) >= sizeof(rcsdir))
return (NULL);
if (stat(rcsdir, &sb) == 0 && (sb.st_mode & S_IFDIR))
if (strlcpy(rcspath, rcsdir, sizeof(rcspath)) >= sizeof(rcspath) ||
strlcat(rcspath, "/", sizeof(rcspath)) >= sizeof(rcspath))
return (NULL);
/* Name of file without path. */
if ((ptr = strrchr(filename, '/')) == NULL) {
if (strlcpy(name, filename, sizeof(name)) >= sizeof(name))
return (NULL);
} else {
/* Skip `/'. */
if (strlcpy(name, ptr + 1, sizeof(name)) >= sizeof(name))
return (NULL);
}
/* Name of RCS file without an extension. */
if (strlcat(rcspath, name, sizeof(rcspath)) >= sizeof(rcspath))
return (NULL);
/*
* If only the empty suffix was given, use existing rcspath.
* This ensures that there is at least one suffix for strsep().
*/
if (strcmp(rcs_suffixes, "") == 0) {
ret = xstrdup(rcspath);
return (ret);
}
/*
* Cycle through slash-separated `rcs_suffixes', appending each
* extension to `rcspath' and testing if the file exists. If it
* does, return that string. Otherwise return path with first
* extension.
*/
suffixes = xstrdup(rcs_suffixes);
for (ret = NULL, next = suffixes; (ext = strsep(&next, "/")) != NULL;) {
char fpath[MAXPATHLEN];
if ((p = strrchr(rcspath, ',')) != NULL) {
if (!strcmp(p, ext)) {
if (stat(rcspath, &sb) == 0) {
ret = xstrdup(rcspath);
goto out;
}
}
continue;
}
/* Construct RCS file path. */
if (strlcpy(fpath, rcspath, sizeof(fpath)) >= sizeof(fpath) ||
strlcat(fpath, ext, sizeof(fpath)) >= sizeof(fpath))
goto out;
/* Don't use `filename' as RCS file. */
if (strcmp(fpath, filename) == 0)
continue;
if (stat(fpath, &sb) == 0) {
ret = xstrdup(fpath);
goto out;
}
}
/*
* `ret' is still NULL. No RCS file with any extension exists
* so we use the first extension.
*
* `suffixes' should now be NUL separated, so the first
* extension can be read just by reading `suffixes'.
*/
if (strlcat(rcspath, suffixes, sizeof(rcspath)) >=
sizeof(rcspath))
goto out;
ret = xstrdup(rcspath);
out:
/* `ret' may be NULL, which indicates an error. */
xfree(suffixes);
return (ret);
}
/*
* Find the name of an RCS file, given a file name `fname'. If an RCS
* file is found, the name is copied to the `len' sized buffer `out'.
* Returns 0 if RCS file was found, -1 otherwise.
*/
int
rcs_statfile(char *fname, char *out, size_t len)
{
struct stat st;
char *rcspath;
if ((rcspath = rcs_choosefile(fname)) == NULL)
fatal("rcs_statfile: path truncation");
/* Error out if file not found and we are not creating one. */
if (stat(rcspath, &st) == -1 && !(flags & RCS_CREATE)) {
if (strcmp(__progname, "rcsclean") != 0 &&
strcmp(__progname, "ci") != 0)
cvs_log(LP_ERRNO, "%s", rcspath);
xfree(rcspath);
return (-1);
}
if (strlcpy(out, rcspath, len) >= len)
fatal("rcs_statfile: path truncation");
xfree(rcspath);
return (0);
}
/*
* Set <str> to <new_str>. Print warning if <str> is redefined.
*/
void
rcs_setrevstr(char **str, char *new_str)
{
if (new_str == NULL)
return;
if (*str != NULL)
cvs_log(LP_WARN, "redefinition of revision number");
*str = new_str;
}
/*
* Set <str1> or <str2> to <new_str>, depending on which is not set.
* If both are set, error out.
*/
void
rcs_setrevstr2(char **str1, char **str2, char *new_str)
{
if (new_str == NULL)
return;
if (*str1 == NULL)
*str1 = new_str;
else if (*str2 == NULL)
*str2 = new_str;
else
fatal("too many revision numbers");
}
/*
* Get revision from file. The revision can be specified as a symbol or
* a revision number.
*/
RCSNUM *
rcs_getrevnum(const char *rev_str, RCSFILE *file)
{
RCSNUM *rev;
/* Search for symbol. */
rev = rcs_sym_getrev(file, rev_str);
/* Search for revision number. */
if (rev == NULL)
rev = rcsnum_parse(rev_str);
return (rev);
}
int
main(int argc, char **argv)
{
u_int i;
char *rcsinit, *cmd_argv[RCS_CMD_MAXARG];
int ret, cmd_argc;
ret = -1;
rcs_optind = 1;
cvs_log_init(LD_STD, 0);
SLIST_INIT(&rcs_temp_files);
cmd_argc = 0;
cmd_argv[cmd_argc++] = argv[0];
if ((rcsinit = getenv("RCSINIT")) != NULL) {
ret = rcs_init(rcsinit, cmd_argv + 1,
RCS_CMD_MAXARG - 1);
if (ret < 0) {
cvs_log(LP_ERRNO, "failed to prepend RCSINIT options");
exit (1);
}
cmd_argc += ret;
}
if ((rcs_tmpdir = getenv("TMPDIR")) == NULL)
rcs_tmpdir = RCS_TMPDIR_DEFAULT;
for (ret = 1; ret < argc; ret++)
cmd_argv[cmd_argc++] = argv[ret];
signal(SIGHUP, sighdlr);
signal(SIGINT, sighdlr);
signal(SIGQUIT, sighdlr);
signal(SIGABRT, sighdlr);
signal(SIGALRM, sighdlr);
signal(SIGTERM, sighdlr);
for (i = 0; i < (sizeof(programs)/sizeof(programs[0])); i++)
if (strcmp(__progname, programs[i].prog_name) == 0) {
usage = programs[i].prog_usage;
ret = programs[i].prog_hdlr(cmd_argc, cmd_argv);
break;
}
/* clean up temporary files */
cvs_worklist_run(&rcs_temp_files, cvs_worklist_unlink);
exit(ret);
/* NOTREACHED */
}
void
rcs_usage(void)
{
fprintf(stderr,
"usage: rcs [-ehIiLMqTUV] [-Aoldfile] [-ausers] [-b[rev]]\n"
" [-cstring] [-e[users]] [-kmode] [-l[rev]] [-mrev:msg]\n"
" [-orange] [-sstate[:rev]] [-tfile|str] [-u[rev]]\n"
" [-xsuffixes] file ...\n");
}
/*
* rcs_main()
*
* Handler for the `rcs' program.
* Returns 0 on success, or >0 on error.
*/
int
rcs_main(int argc, char **argv)
{
int i, j, ch, kflag, lkmode;
char fpath[MAXPATHLEN], ofpath[MAXPATHLEN];
char *logstr, *logmsg, *nflag, *descfile;
char *alist, *comment, *elist, *lrev, *urev, *orange;
mode_t fmode;
RCSFILE *file, *oldfile;
RCSNUM *logrev;
struct rcs_access *acp;
time_t rcs_mtime = -1;
kflag = RCS_KWEXP_ERR;
lkmode = -1;
fmode = S_IRUSR|S_IRGRP|S_IROTH;
flags = RCS_RDWR|RCS_PARSE_FULLY;
lrev = urev = descfile = nflag = NULL;
logstr = alist = comment = elist = orange = NULL;
while ((ch = rcs_getopt(argc, argv, RCSPROG_OPTSTRING)) != -1) {
switch (ch) {
case 'A':
if (rcs_statfile(rcs_optarg, ofpath, sizeof(ofpath)) < 0)
exit(1);
rcsflags |= CO_ACLAPPEND;
break;
case 'a':
alist = rcs_optarg;
break;
case 'c':
comment = rcs_optarg;
break;
case 'e':
elist = rcs_optarg;
rcsflags |= RCSPROG_EFLAG;
break;
case 'i':
flags |= RCS_CREATE;
break;
case 'k':
kflag = rcs_kflag_get(rcs_optarg);
if (RCS_KWEXP_INVAL(kflag)) {
cvs_log(LP_ERR,
"invalid keyword substitution mode `%s'",
rcs_optarg);
exit(1);
}
break;
case 'L':
if (lkmode == RCS_LOCK_LOOSE)
cvs_log(LP_WARN, "-U overriden by -L");
lkmode = RCS_LOCK_STRICT;
break;
case 'l':
/* XXX - Check with -u flag. */
lrev = rcs_optarg;
rcsflags |= RCSPROG_LFLAG;
break;
case 'm':
logstr = xstrdup(rcs_optarg);
break;
case 'M':
/* ignore for the moment */
break;
case 'n':
nflag = xstrdup(rcs_optarg);
break;
case 'N':
nflag = xstrdup(rcs_optarg);
rcsflags |= RCSPROG_NFLAG;
break;
case 'o':
orange = xstrdup(rcs_optarg);
break;
case 'q':
verbose = 0;
break;
case 't':
descfile = rcs_optarg;
rcsflags |= RCSPROG_TFLAG;
break;
case 'T':
rcsflags |= PRESERVETIME;
break;
case 'U':
if (lkmode == RCS_LOCK_STRICT)
cvs_log(LP_WARN, "-L overriden by -U");
lkmode = RCS_LOCK_LOOSE;
break;
case 'u':
/* XXX - Check with -l flag. */
urev = rcs_optarg;
rcsflags |= RCSPROG_UFLAG;
break;
case 'V':
printf("%s\n", rcs_version);
exit(0);
/* NOTREACHED */
case 'x':
/* Use blank extension if none given. */
rcs_suffixes = rcs_optarg ? rcs_optarg : "";
break;
case 'z':
/*
* kept for compatibility
*/
break;
default:
(usage)();
exit(1);
}
}
argc -= rcs_optind;
argv += rcs_optind;
if (argc == 0) {
cvs_log(LP_ERR, "no input file");
(usage)();
exit(1);
}
for (i = 0; i < argc; i++) {
if (rcs_statfile(argv[i], fpath, sizeof(fpath)) < 0)
continue;
if (verbose == 1)
printf("RCS file: %s\n", fpath);
if ((file = rcs_open(fpath, flags, fmode)) == NULL)
continue;
if (rcsflags & RCSPROG_TFLAG)
rcs_set_description(file, descfile);
else if (flags & RCS_CREATE)
rcs_set_description(file, NULL);
if (rcsflags & PRESERVETIME)
rcs_mtime = rcs_get_mtime(file->rf_path);
if (nflag != NULL)
rcs_attach_symbol(file, nflag);
if (logstr != NULL) {
if ((logmsg = strchr(logstr, ':')) == NULL) {
cvs_log(LP_ERR, "missing log message");
rcs_close(file);
continue;
}
*logmsg++ = '\0';
if ((logrev = rcsnum_parse(logstr)) == NULL) {
cvs_log(LP_ERR,
"'%s' bad revision number", logstr);
rcs_close(file);
continue;
}
if (rcs_rev_setlog(file, logrev, logmsg) < 0) {
cvs_log(LP_ERR,
"failed to set logmsg for '%s' to '%s'",
logstr, logmsg);
rcs_close(file);
rcsnum_free(logrev);
continue;
}
rcsnum_free(logrev);
}
/* entries to add from <oldfile> */
if (rcsflags & CO_ACLAPPEND) {
/* XXX */
if ((oldfile = rcs_open(ofpath, RCS_READ)) == NULL)
exit(1);
TAILQ_FOREACH(acp, &(oldfile->rf_access), ra_list)
rcs_access_add(file, acp->ra_name);
rcs_close(oldfile);
}
/* entries to add to the access list */
if (alist != NULL) {
struct cvs_argvector *aargv;
aargv = cvs_strsplit(alist, ",");
for (j = 0; aargv->argv[j] != NULL; j++)
rcs_access_add(file, aargv->argv[j]);
cvs_argv_destroy(aargv);
}
if (comment != NULL)
rcs_comment_set(file, comment);
if (elist != NULL) {
struct cvs_argvector *eargv;
eargv = cvs_strsplit(elist, ",");
for (j = 0; eargv->argv[j] != NULL; j++)
rcs_access_remove(file, eargv->argv[j]);
cvs_argv_destroy(eargv);
} else if (rcsflags & RCSPROG_EFLAG) {
struct rcs_access *rap;
/* XXX rcs_access_remove(file, NULL); ?? */
while (!TAILQ_EMPTY(&(file->rf_access))) {
rap = TAILQ_FIRST(&(file->rf_access));
TAILQ_REMOVE(&(file->rf_access), rap, ra_list);
xfree(rap->ra_name);
xfree(rap);
}
/* not synced anymore */
file->rf_flags &= ~RCS_SYNCED;
}
rcs_kwexp_set(file, kflag);
if (lkmode != -1)
(void)rcs_lock_setmode(file, lkmode);
if (rcsflags & RCSPROG_LFLAG) {
RCSNUM *rev;
const char *username;
char rev_str[16];
if ((username = getlogin()) == NULL)
fatal("could not get username");
if (lrev == NULL) {
rev = rcsnum_alloc();
rcsnum_cpy(file->rf_head, rev, 0);
} else if ((rev = rcsnum_parse(lrev)) == NULL) {
cvs_log(LP_ERR, "unable to unlock file");
rcs_close(file);
continue;
}
rcsnum_tostr(rev, rev_str, sizeof(rev_str));
/* Make sure revision exists. */
if (rcs_findrev(file, rev) == NULL)
fatal("%s: can't lock nonexisting revision %s",
fpath, rev_str);
if (rcs_lock_add(file, username, rev) != -1 &&
verbose == 1)
printf("%s locked\n", rev_str);
rcsnum_free(rev);
}
if (rcsflags & RCSPROG_UFLAG) {
RCSNUM *rev;
const char *username;
char rev_str[16];
if ((username = getlogin()) == NULL)
fatal("could not get username");
if (urev == NULL) {
rev = rcsnum_alloc();
rcsnum_cpy(file->rf_head, rev, 0);
} else if ((rev = rcsnum_parse(urev)) == NULL) {
cvs_log(LP_ERR, "unable to unlock file");
rcs_close(file);
continue;
}
rcsnum_tostr(rev, rev_str, sizeof(rev_str));
/* Make sure revision exists. */
if (rcs_findrev(file, rev) == NULL)
fatal("%s: can't unlock nonexisting revision %s",
fpath, rev_str);
if (rcs_lock_remove(file, username, rev) == -1 &&
verbose == 1)
cvs_log(LP_ERR,
"%s: warning: No locks are set.", fpath);
rcsnum_free(rev);
}
if (orange != NULL) {
struct rcs_delta *rdp;
char b[16];
rcs_rev_select(file, orange);
TAILQ_FOREACH(rdp, &(file->rf_delta), rd_list) {
/*
* Delete selected revisions.
*/
if (rdp->rd_flags & RCS_RD_SELECT) {
rcsnum_tostr(rdp->rd_num, b, sizeof(b));
printf("deleting revision %s\n", b);
(void)rcs_rev_remove(file, rdp->rd_num);
}
}
}
rcs_close(file);
if (rcsflags & PRESERVETIME)
rcs_set_mtime(fpath, rcs_mtime);
if (verbose == 1)
printf("done\n");
}
if (logstr != NULL)
xfree(logstr);
if (nflag != NULL)
xfree(nflag);
if (orange != NULL)
xfree(orange);
return (0);
}
static void
rcs_attach_symbol(RCSFILE *file, const char *symname)
{
char *rnum;
RCSNUM *rev;
char rbuf[16];
int rm;
rm = 0;
rev = NULL;
if ((rnum = strrchr(symname, ':')) != NULL) {
if (rnum[1] == '\0')
rev = file->rf_head;
*(rnum++) = '\0';
} else {
rm = 1;
}
if (rev == NULL && rm != 1) {
if ((rev = rcsnum_parse(rnum)) == NULL)
fatal("bad revision %s", rnum);
}
if (rcsflags & RCSPROG_NFLAG)
rm = 1;
if (rm == 1) {
if (rcs_sym_remove(file, symname) < 0) {
if (rcs_errno == RCS_ERR_NOENT &&
!(rcsflags & RCSPROG_NFLAG))
cvs_log(LP_WARN,
"can't delete nonexisting symbol %s", symname);
} else {
if (rcsflags & RCSPROG_NFLAG)
rm = 0;
}
}
if (rm == 0) {
if (rcs_sym_add(file, symname, rev) < 0 &&
rcs_errno == RCS_ERR_DUPENT) {
rcsnum_tostr(rcs_sym_getrev(file, symname),
rbuf, sizeof(rbuf));
fatal("symbolic name %s already bound to %s",
symname, rbuf);
}
}
}
/*
* Load description from <in> to <file>.
* If <in> starts with a `-', <in> is taken as the description.
* Otherwise <in> is the name of the file containing the description.
* If <in> is NULL, the description is read from stdin.
*/
static void
rcs_set_description(RCSFILE *file, const char *in)
{
BUF *bp;
char *content, buf[128];
content = NULL;
/* Description is in file <in>. */
if (in != NULL && *in != '-')
bp = cvs_buf_load(in, BUF_AUTOEXT);
/* Description is in <in>. */
else if (in != NULL) {
size_t len;
const char *desc;
/* Skip leading `-'. */
desc = in + 1;
len = strlen(desc);
bp = cvs_buf_alloc(len + 1, BUF_AUTOEXT);
cvs_buf_append(bp, desc, len);
/* Get description from stdin. */
} else {
bp = cvs_buf_alloc(64, BUF_AUTOEXT);
if (isatty(STDIN_FILENO))
(void)fprintf(stderr, "%s", DESC_PROMPT);
for (;;) {
/* XXX - fgetln() may be more elegant. */
fgets(buf, sizeof(buf), stdin);
if (feof(stdin) || ferror(stdin) ||
strcmp(buf, ".\n") == 0 ||
strcmp(buf, ".") == 0)
break;
cvs_buf_append(bp, buf, strlen(buf));
if (isatty(STDIN_FILENO))
(void)fprintf(stderr, ">> ");
}
}
cvs_buf_putc(bp, '\0');
content = cvs_buf_release(bp);
rcs_desc_set(file, content);
xfree(content);
}
u_int
rcs_rev_select(RCSFILE *file, char *range)
{
int i;
u_int nrev;
char *ep;
char *lstr, *rstr;
struct rcs_delta *rdp;
struct cvs_argvector *revargv, *revrange;
RCSNUM lnum, rnum;
nrev = 0;
(void)memset(&lnum, 0, sizeof(lnum));
(void)memset(&rnum, 0, sizeof(rnum));
if (range == NULL) {
TAILQ_FOREACH(rdp, &file->rf_delta, rd_list)
if (rcsnum_cmp(rdp->rd_num, file->rf_head, 0) == 0) {
rdp->rd_flags |= RCS_RD_SELECT;
return (1);
}
return (0);
}
revargv = cvs_strsplit(range, ",");
for (i = 0; revargv->argv[i] != NULL; i++) {
revrange = cvs_strsplit(revargv->argv[i], ":");
if (revrange->argv[0] == NULL)
/* should not happen */
fatal("invalid revision range: %s", revargv->argv[i]);
else if (revrange->argv[1] == NULL)
lstr = rstr = revrange->argv[0];
else {
if (revrange->argv[2] != NULL)
fatal("invalid revision range: %s",
revargv->argv[i]);
lstr = revrange->argv[0];
rstr = revrange->argv[1];
if (strcmp(lstr, "") == 0)
lstr = NULL;
if (strcmp(rstr, "") == 0)
rstr = NULL;
}
if (lstr == NULL)
lstr = RCS_HEAD_INIT;
if (rcsnum_aton(lstr, &ep, &lnum) == 0 || (*ep != '\0'))
fatal("invalid revision: %s", lstr);
if (rstr != NULL) {
if (rcsnum_aton(rstr, &ep, &rnum) == 0 || (*ep != '\0'))
fatal("invalid revision: %s", rstr);
} else
rcsnum_cpy(file->rf_head, &rnum, 0);
cvs_argv_destroy(revrange);
TAILQ_FOREACH(rdp, &file->rf_delta, rd_list)
if (rcsnum_cmp(rdp->rd_num, &lnum, 0) <= 0 &&
rcsnum_cmp(rdp->rd_num, &rnum, 0) >= 0 &&
!(rdp->rd_flags & RCS_RD_SELECT)) {
rdp->rd_flags |= RCS_RD_SELECT;
nrev++;
}
}
cvs_argv_destroy(revargv);
if (lnum.rn_id != NULL)
xfree(lnum.rn_id);
if (rnum.rn_id != NULL)
xfree(rnum.rn_id);
return (nrev);
}
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