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/* $OpenBSD: rcsclean.c,v 1.18 2005/11/28 14:43:59 xsa Exp $ */
/*
* Copyright (c) 2005 Joris Vink <joris@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/stat.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "log.h"
#include "rcs.h"
#include "diff.h"
#include "rcsprog.h"
static int rcsclean_file(char *, RCSNUM *);
static int nflag = 0;
static int kflag = RCS_KWEXP_ERR;
static int uflag = 0;
static int flags = 0;
int
rcsclean_main(int argc, char **argv)
{
int i, ch;
RCSNUM *rev;
DIR *dirp;
struct dirent *dp;
rev = RCS_HEAD_REV;
while ((ch = rcs_getopt(argc, argv, "k:n::q::r:Tu::Vx:")) != -1) {
switch (ch) {
case 'k':
kflag = rcs_kflag_get(rcs_optarg);
if (RCS_KWEXP_INVAL(kflag)) {
cvs_log(LP_ERR,
"invalid RCS keyword expansion mode");
(usage)();
exit(1);
}
break;
case 'n':
rcs_set_rev(rcs_optarg, &rev);
nflag = 1;
break;
case 'q':
rcs_set_rev(rcs_optarg, &rev);
verbose = 0;
break;
case 'r':
rcs_set_rev(rcs_optarg, &rev);
break;
case 'T':
flags |= PRESERVETIME;
break;
case 'u':
rcs_set_rev(rcs_optarg, &rev);
uflag = 1;
break;
case 'V':
printf("%s\n", rcs_version);
exit(0);
case 'x':
rcs_suffixes = rcs_optarg;
break;
default:
break;
}
}
argc -= rcs_optind;
argv += rcs_optind;
if (argc == 0) {
if ((dirp = opendir(".")) == NULL) {
cvs_log(LP_ERRNO, "failed to open directory '.'");
(usage)();
exit(1);
}
while ((dp = readdir(dirp)) != NULL) {
if (dp->d_type == DT_DIR)
continue;
rcsclean_file(dp->d_name, rev);
}
closedir(dirp);
} else {
for (i = 0; i < argc; i++)
rcsclean_file(argv[i], rev);
}
return (0);
}
void
rcsclean_usage(void)
{
fprintf(stderr,
"usage: rcsclean [-V] [-kmode] [-n[rev]] [-q[rev]]\n"
" [-rrev] [-u[rev]] [-xsuffixes] [file] ...\n");
}
static int
rcsclean_file(char *fname, RCSNUM *rev)
{
int match;
RCSFILE *file;
char fpath[MAXPATHLEN], numb[64];
RCSNUM *frev;
BUF *b1, *b2;
char *s1, *s2, *c1, *c2;
struct stat st;
time_t rcs_mtime = -1;
match = 1;
if (stat(fname, &st) == -1)
return (-1);
if (rcs_statfile(fname, fpath, sizeof(fpath)) < 0)
return (-1);
if ((file = rcs_open(fpath, RCS_RDWR)) == NULL)
return (-1);
if (flags & PRESERVETIME)
rcs_mtime = rcs_get_mtime(file->rf_path);
if (!RCS_KWEXP_INVAL(kflag))
rcs_kwexp_set(file, kflag);
if (rev == RCS_HEAD_REV)
frev = file->rf_head;
else
frev = rev;
if ((b1 = rcs_getrev(file, frev)) == NULL) {
cvs_log(LP_ERR, "failed to get needed revision");
rcs_close(file);
return (-1);
}
if ((b2 = cvs_buf_load(fname, BUF_AUTOEXT)) == NULL) {
cvs_log(LP_ERRNO, "failed to load '%s'", fname);
rcs_close(file);
return (-1);
}
cvs_buf_putc(b1, '\0');
cvs_buf_putc(b2, '\0');
c1 = cvs_buf_release(b1);
c2 = cvs_buf_release(b2);
for (s1 = c1, s2 = c2; *s1 && *s2; *s1++, *s2++) {
if (*s1 != *s2) {
match = 0;
break;
}
}
free(c1);
free(c2);
if (match == 1) {
if ((uflag == 1) && (!TAILQ_EMPTY(&(file->rf_locks)))) {
if ((verbose == 1) && (nflag == 0)) {
printf("rcs -u%s %s\n",
rcsnum_tostr(frev, numb, sizeof(numb)),
fpath);
}
(void)rcs_lock_remove(file, frev);
}
if (TAILQ_EMPTY(&(file->rf_locks))) {
if (verbose == 1)
printf("rm -f %s\n", fname);
if (nflag == 0)
(void)unlink(fname);
}
}
rcs_close(file);
if (flags & PRESERVETIME)
rcs_set_mtime(fpath, rcs_mtime);
return (0);
}
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