File: [local] / src / usr.bin / rcs / rcsprog.c (download)
Revision 1.52, Fri Dec 9 07:00:43 2005 UTC (18 years, 6 months ago) by joris
Branch: MAIN
Changes since 1.51: +2 -2 lines
don't complain too often about 'redefinition of revision number',
specially when rev is actually NULL.
|
/* $OpenBSD: rcsprog.c,v 1.52 2005/12/09 07:00:43 joris 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 <sys/param.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <pwd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "log.h"
#include "rcs.h"
#include "rcsprog.h"
#define RCS_CMD_MAXARG 128
#define RCS_DEFAULT_SUFFIX ",v/"
#define RCSPROG_OPTSTRING "A:a:b::c:e::hik:Lm:MqTUVx:z:"
const char rcs_version[] = "OpenCVS RCS version 3.6";
int verbose = 1;
int pipeout = 0;
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 },
};
void
rcs_set_rev(const char *str, RCSNUM **rev)
{
if (str == NULL)
return;
if ((*rev != NULL) && (*rev != RCS_HEAD_REV))
cvs_log(LP_WARN, "redefinition of revision number");
if ((*rev = rcsnum_parse(str)) == NULL) {
cvs_log(LP_ERR, "bad revision number '%s'", str);
exit (1);
}
}
/*
* 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.
* Returns 0 on success, or -1 on failure.
*/
int
rcs_set_mtime(const char *filename, time_t mtime)
{
static struct timeval tv[2];
if (mtime == -1)
return (0);
tv[0].tv_sec = mtime;
tv[1].tv_sec = tv[0].tv_sec;
if (utimes(filename, tv) == -1) {
cvs_log(LP_ERRNO, "error setting utimes");
return (-1);
}
return (0);
}
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] = strdup(cp);
if (argv[argc] == NULL) {
cvs_log(LP_ERRNO, "failed to copy argument");
error++;
break;
}
argc++;
}
if (error != 0) {
for (i = 0; i < (u_int)argc; i++)
free(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);
}
int
rcs_statfile(char *fname, char *out, size_t len)
{
int l, found, strdir;
char defaultsuffix[] = RCS_DEFAULT_SUFFIX;
char filev[MAXPATHLEN], fpath[MAXPATHLEN];
char *ext, *slash;
struct stat st;
strdir = found = 0;
/* we might have gotten a RCS file as argument */
if ((ext = strchr(fname, ',')) != NULL)
*ext = '\0';
/* we might have gotten the RCS/ dir in the argument string */
if (strstr(fname, RCSDIR) != NULL)
strdir = 1;
if (rcs_suffixes != NULL)
ext = rcs_suffixes;
else
ext = defaultsuffix;
for (;;) {
/*
* GNU documentation says -x,v/ specifies two suffixes,
* namely the ,v one and an empty one (which matches
* everything).
* The problem is that they don't follow this rule at
* all, and their documentation seems flawed.
* We try to be compatible, so let's do so.
*/
if (*ext == '\0')
break;
if ((slash = strchr(ext, '/')) != NULL)
*slash = '\0';
l = snprintf(filev, sizeof(filev), "%s%s", fname, ext);
if (l == -1 || l >= (int)sizeof(filev)) {
errno = ENAMETOOLONG;
cvs_log(LP_ERRNO, "%s", filev);
return (-1);
}
if ((strdir == 0) &&
(stat(RCSDIR, &st) != -1) && (st.st_mode & S_IFDIR)) {
l = snprintf(fpath, sizeof(fpath), "%s/%s",
RCSDIR, filev);
if (l == -1 || l >= (int)sizeof(fpath)) {
errno = ENAMETOOLONG;
cvs_log(LP_ERRNO, "%s", fpath);
return (-1);
}
} else {
strlcpy(fpath, filev, sizeof(fpath));
}
if (stat(fpath, &st) != -1) {
found++;
break;
}
if (slash == NULL)
break;
*slash++ = '/';
ext = slash;
}
if (found != 1) {
if ((strcmp(__progname, "rcsclean") != 0)
&& (strcmp(__progname, "ci") != 0))
cvs_log(LP_ERRNO, "%s", fpath);
return (-1);
}
strlcpy(out, fpath, len);
return (0);
}
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);
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];
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;
}
exit(ret);
}
void
rcs_usage(void)
{
fprintf(stderr,
"usage: rcs [-hiLMTUV] [-Aoldfile] [-ausers] [-b[rev]] [-cstring]\n"
" [-eusers] [-kmode] [-mrev:log] [-xsuffixes] [-ztz] 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, ch, flags, kflag, lkmode;
char fpath[MAXPATHLEN], ofpath[MAXPATHLEN];
char *logstr, *logmsg;
char *alist, *comment, *elist, *unp, *sp;
mode_t fmode;
RCSFILE *file, *oldfile;
RCSNUM *logrev;
struct rcs_access *acp;
time_t rcs_mtime = -1;
kflag = lkmode = -1;
fmode = 0;
flags = RCS_RDWR;
logstr = alist = comment = elist = 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);
flags |= CO_ACLAPPEND;
break;
case 'a':
alist = rcs_optarg;
break;
case 'c':
comment = rcs_optarg;
break;
case 'e':
elist = rcs_optarg;
break;
case 'h':
(usage)();
exit(0);
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 'm':
if ((logstr = strdup(rcs_optarg)) == NULL) {
cvs_log(LP_ERRNO, "failed to copy logstring");
exit(1);
}
break;
case 'M':
/* ignore for the moment */
break;
case 'q':
verbose = 0;
break;
case 'T':
flags |= PRESERVETIME;
break;
case 'U':
if (lkmode == RCS_LOCK_STRICT)
cvs_log(LP_WARN, "-L overriden by -U");
lkmode = RCS_LOCK_LOOSE;
break;
case 'V':
printf("%s\n", rcs_version);
exit(0);
case 'x':
rcs_suffixes = 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 (flags & PRESERVETIME)
rcs_mtime = rcs_get_mtime(file->rf_path);
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 (flags & 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) {
unp = alist;
do {
sp = strchr(unp, ',');
if (sp != NULL)
*(sp++) = '\0';
rcs_access_add(file, unp);
unp = sp;
} while (sp != NULL);
}
if (comment != NULL)
rcs_comment_set(file, comment);
if (kflag != -1)
rcs_kwexp_set(file, kflag);
if (lkmode != -1)
rcs_lock_setmode(file, lkmode);
rcs_close(file);
if (flags & PRESERVETIME)
rcs_set_mtime(fpath, rcs_mtime);
if (verbose == 1)
printf("done\n");
}
if (logstr != NULL)
free(logstr);
return (0);
}