Annotation of src/usr.bin/rcs/rcsclean.c, Revision 1.56
1.56 ! guenther 1: /* $OpenBSD: rcsclean.c,v 1.55 2015/11/02 16:45:21 nicm Exp $ */
1.1 joris 2: /*
3: * Copyright (c) 2005 Joris Vink <joris@openbsd.org>
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. The name of the author may not be used to endorse or promote products
13: * derived from this software without specific prior written permission.
14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
1.48 xsa 27: #include <sys/types.h>
28:
29: #include <dirent.h>
30: #include <err.h>
31: #include <stdio.h>
32: #include <stdlib.h>
1.56 ! guenther 33: #include <time.h>
1.48 xsa 34: #include <unistd.h>
1.1 joris 35:
1.23 xsa 36: #include "rcsprog.h"
1.4 niallo 37: #include "diff.h"
1.1 joris 38:
1.31 ray 39: static void rcsclean_file(char *, const char *);
1.28 xsa 40:
1.3 joris 41: static int nflag = 0;
42: static int kflag = RCS_KWEXP_ERR;
1.11 xsa 43: static int uflag = 0;
1.17 xsa 44: static int flags = 0;
1.19 joris 45: static char *locker = NULL;
1.1 joris 46:
47: int
48: rcsclean_main(int argc, char **argv)
49: {
1.17 xsa 50: int i, ch;
1.30 ray 51: char *rev_str;
1.1 joris 52: DIR *dirp;
53: struct dirent *dp;
54:
1.30 ray 55: rev_str = NULL;
1.1 joris 56:
1.42 ray 57: while ((ch = rcs_getopt(argc, argv, "k:n::q::r::Tu::Vx::")) != -1) {
1.1 joris 58: switch (ch) {
1.3 joris 59: case 'k':
1.7 joris 60: kflag = rcs_kflag_get(rcs_optarg);
1.3 joris 61: if (RCS_KWEXP_INVAL(kflag)) {
1.40 xsa 62: warnx("invalid RCS keyword substitution mode");
1.3 joris 63: (usage)();
64: }
65: break;
66: case 'n':
1.30 ray 67: rcs_setrevstr(&rev_str, rcs_optarg);
1.3 joris 68: nflag = 1;
69: break;
1.1 joris 70: case 'q':
1.30 ray 71: rcs_setrevstr(&rev_str, rcs_optarg);
1.37 xsa 72: flags |= QUIET;
1.1 joris 73: break;
1.2 joris 74: case 'r':
1.30 ray 75: rcs_setrevstr(&rev_str, rcs_optarg);
1.16 xsa 76: break;
77: case 'T':
78: flags |= PRESERVETIME;
1.2 joris 79: break;
1.11 xsa 80: case 'u':
1.30 ray 81: rcs_setrevstr(&rev_str, rcs_optarg);
1.11 xsa 82: uflag = 1;
83: break;
1.1 joris 84: case 'V':
85: printf("%s\n", rcs_version);
86: exit(0);
1.15 xsa 87: case 'x':
1.27 ray 88: /* Use blank extension if none given. */
89: rcs_suffixes = rcs_optarg ? rcs_optarg : "";
1.15 xsa 90: break;
1.1 joris 91: default:
1.35 ray 92: (usage)();
1.1 joris 93: }
94: }
95:
1.7 joris 96: argc -= rcs_optind;
97: argv += rcs_optind;
1.1 joris 98:
1.19 joris 99: if ((locker = getlogin()) == NULL)
1.43 xsa 100: err(1, "getlogin");
1.19 joris 101:
1.1 joris 102: if (argc == 0) {
103: if ((dirp = opendir(".")) == NULL) {
1.38 xsa 104: warn("opendir");
1.1 joris 105: (usage)();
106: }
107:
108: while ((dp = readdir(dirp)) != NULL) {
109: if (dp->d_type == DT_DIR)
110: continue;
1.31 ray 111: rcsclean_file(dp->d_name, rev_str);
1.1 joris 112: }
113:
1.38 xsa 114: (void)closedir(dirp);
1.30 ray 115: } else
1.31 ray 116: for (i = 0; i < argc; i++)
117: rcsclean_file(argv[i], rev_str);
1.1 joris 118:
119: return (0);
120: }
121:
1.53 otto 122: __dead void
1.1 joris 123: rcsclean_usage(void)
124: {
1.5 deraadt 125: fprintf(stderr,
1.41 jmc 126: "usage: rcsclean [-TV] [-kmode] [-n[rev]] [-q[rev]] [-r[rev]]\n"
1.49 xsa 127: " [-u[rev]] [-xsuffixes] [-ztz] [file ...]\n");
1.53 otto 128:
129: exit(1);
1.1 joris 130: }
131:
1.28 xsa 132: static void
1.31 ray 133: rcsclean_file(char *fname, const char *rev_str)
1.1 joris 134: {
1.45 joris 135: int fd, match;
1.1 joris 136: RCSFILE *file;
1.54 deraadt 137: char fpath[PATH_MAX], numb[RCS_REV_BUFSZ];
1.31 ray 138: RCSNUM *rev;
1.1 joris 139: BUF *b1, *b2;
1.17 xsa 140: time_t rcs_mtime = -1;
1.1 joris 141:
1.34 ray 142: b1 = b2 = NULL;
143: file = NULL;
144: rev = NULL;
1.3 joris 145:
1.47 ray 146: if ((fd = rcs_choosefile(fname, fpath, sizeof(fpath))) < 0)
1.34 ray 147: goto out;
1.1 joris 148:
1.45 joris 149: if ((file = rcs_open(fpath, fd, RCS_RDWR)) == NULL)
1.34 ray 150: goto out;
1.1 joris 151:
1.17 xsa 152: if (flags & PRESERVETIME)
1.45 joris 153: rcs_mtime = rcs_get_mtime(file);
1.17 xsa 154:
1.29 xsa 155: rcs_kwexp_set(file, kflag);
1.3 joris 156:
1.31 ray 157: if (rev_str == NULL)
158: rev = file->rf_head;
159: else if ((rev = rcs_getrevnum(rev_str, file)) == NULL) {
1.38 xsa 160: warnx("%s: Symbolic name `%s' is undefined.", fpath, rev_str);
1.34 ray 161: goto out;
1.31 ray 162: }
1.1 joris 163:
1.31 ray 164: if ((b1 = rcs_getrev(file, rev)) == NULL) {
1.38 xsa 165: warnx("failed to get needed revision");
1.34 ray 166: goto out;
1.1 joris 167: }
1.52 ray 168: if ((b2 = buf_load(fname)) == NULL) {
1.38 xsa 169: warnx("failed to load `%s'", fname);
1.34 ray 170: goto out;
1.1 joris 171: }
172:
1.34 ray 173: /* If buffer lengths are the same, compare contents as well. */
1.51 ray 174: if (buf_len(b1) != buf_len(b2))
1.34 ray 175: match = 0;
176: else {
177: size_t len, n;
1.1 joris 178:
1.51 ray 179: len = buf_len(b1);
1.1 joris 180:
1.34 ray 181: match = 1;
182: for (n = 0; n < len; ++n)
1.51 ray 183: if (buf_getc(b1, n) != buf_getc(b2, n)) {
1.34 ray 184: match = 0;
185: break;
186: }
187: }
1.1 joris 188:
1.9 xsa 189: if (match == 1) {
1.33 deraadt 190: if (uflag == 1 && !TAILQ_EMPTY(&(file->rf_locks))) {
1.37 xsa 191: if (!(flags & QUIET) && nflag == 0) {
1.11 xsa 192: printf("rcs -u%s %s\n",
1.31 ray 193: rcsnum_tostr(rev, numb, sizeof(numb)),
1.11 xsa 194: fpath);
195: }
1.31 ray 196: (void)rcs_lock_remove(file, locker, rev);
1.11 xsa 197: }
198:
1.14 xsa 199: if (TAILQ_EMPTY(&(file->rf_locks))) {
1.37 xsa 200: if (!(flags & QUIET))
1.14 xsa 201: printf("rm -f %s\n", fname);
1.11 xsa 202:
1.14 xsa 203: if (nflag == 0)
204: (void)unlink(fname);
205: }
1.1 joris 206: }
207:
1.45 joris 208: rcs_write(file);
1.17 xsa 209: if (flags & PRESERVETIME)
1.45 joris 210: rcs_set_mtime(file, rcs_mtime);
1.34 ray 211:
212: out:
1.55 nicm 213: buf_free(b1);
214: buf_free(b2);
1.34 ray 215: if (file != NULL)
216: rcs_close(file);
1.1 joris 217: }
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