Annotation of src/usr.bin/rcs/rcsclean.c, Revision 1.9
1.9 ! xsa 1: /* $OpenBSD: rcsclean.c,v 1.8 2005/10/18 01:22:14 joris 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:
27: #include <sys/param.h>
28: #include <sys/stat.h>
29:
30: #include <dirent.h>
31: #include <stdio.h>
32: #include <stdlib.h>
33: #include <string.h>
34: #include <unistd.h>
35:
36: #include "log.h"
37: #include "rcs.h"
1.4 niallo 38: #include "diff.h"
1.1 joris 39: #include "rcsprog.h"
40:
41: static int rcsclean_file(char *, RCSNUM *);
1.3 joris 42: static int nflag = 0;
43: static int kflag = RCS_KWEXP_ERR;
1.1 joris 44:
45: int
46: rcsclean_main(int argc, char **argv)
47: {
48: int i, ch;
49: RCSNUM *rev;
50: DIR *dirp;
51: struct dirent *dp;
52:
53: rev = RCS_HEAD_REV;
54:
1.7 joris 55: while ((ch = rcs_getopt(argc, argv, "k:nqr:V")) != -1) {
1.1 joris 56: switch (ch) {
1.3 joris 57: case 'k':
1.7 joris 58: kflag = rcs_kflag_get(rcs_optarg);
1.3 joris 59: if (RCS_KWEXP_INVAL(kflag)) {
60: cvs_log(LP_ERR,
61: "invalid RCS keyword expansion mode");
62: (usage)();
63: exit(1);
64: }
65: break;
66: case 'n':
67: nflag = 1;
68: break;
1.1 joris 69: case 'q':
70: verbose = 0;
71: break;
1.2 joris 72: case 'r':
1.8 joris 73: rcs_set_rev(rcs_optarg, &rev);
1.2 joris 74: break;
1.1 joris 75: case 'V':
76: printf("%s\n", rcs_version);
77: exit(0);
78: default:
79: break;
80: }
81: }
82:
1.7 joris 83: argc -= rcs_optind;
84: argv += rcs_optind;
1.1 joris 85:
86: if (argc == 0) {
87: if ((dirp = opendir(".")) == NULL) {
88: cvs_log(LP_ERRNO, "failed to open directory '.'");
89: (usage)();
90: exit(1);
91: }
92:
93: while ((dp = readdir(dirp)) != NULL) {
94: if (dp->d_type == DT_DIR)
95: continue;
96: rcsclean_file(dp->d_name, rev);
97: }
98:
99: closedir(dirp);
100: } else {
101: for (i = 0; i < argc; i++)
102: rcsclean_file(argv[i], rev);
103: }
104:
105: return (0);
106: }
107:
108: void
109: rcsclean_usage(void)
110: {
1.5 deraadt 111: fprintf(stderr,
112: "usage: rcsclean [-qV] [-r rev] [file] ...\n");
1.1 joris 113: }
114:
115: static int
116: rcsclean_file(char *fname, RCSNUM *rev)
117: {
118: int match;
119: RCSFILE *file;
120: char fpath[MAXPATHLEN];
121: RCSNUM *frev;
122: BUF *b1, *b2;
123: char *s1, *s2, *c1, *c2;
1.3 joris 124: struct stat st;
1.1 joris 125:
126: match = 1;
1.3 joris 127:
128: if (stat(fname, &st) == -1)
129: return (-1);
130:
1.1 joris 131: if (rcs_statfile(fname, fpath, sizeof(fpath)) < 0)
132: return (-1);
133:
134: if ((file = rcs_open(fpath, RCS_RDWR)) == NULL)
135: return (-1);
136:
1.3 joris 137: if (!RCS_KWEXP_INVAL(kflag))
138: rcs_kwexp_set(file, kflag);
139:
1.1 joris 140: if (rev == RCS_HEAD_REV)
141: frev = file->rf_head;
142: else
143: frev = rev;
144:
145: if ((b1 = rcs_getrev(file, frev)) == NULL) {
146: cvs_log(LP_ERR, "failed to get needed revision");
147: rcs_close(file);
148: return (-1);
149: }
150:
151: if ((b2 = cvs_buf_load(fname, BUF_AUTOEXT)) == NULL) {
152: cvs_log(LP_ERRNO, "failed to load '%s'", fname);
153: rcs_close(file);
154: return (-1);
155: }
156:
157: cvs_buf_putc(b1, '\0');
158: cvs_buf_putc(b2, '\0');
159:
160: c1 = cvs_buf_release(b1);
161: c2 = cvs_buf_release(b2);
162:
163: for (s1 = c1, s2 = c2; *s1 && *s2; *s1++, *s2++) {
164: if (*s1 != *s2) {
165: match = 0;
166: break;
167: }
168: }
169:
170: free(c1);
171: free(c2);
172:
1.9 ! xsa 173: if (match == 1) {
1.6 xsa 174: if (verbose == 1)
1.1 joris 175: printf("rm -f %s\n", fname);
1.3 joris 176: if (nflag == 0)
177: (void)unlink(fname);
1.1 joris 178: }
179:
180: rcs_close(file);
181: return (0);
182: }