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1.1 jfb 1: /* $OpenBSD$ */
2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@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/types.h>
28: #include <sys/stat.h>
29:
30: #include <errno.h>
31: #include <stdio.h>
32: #include <fcntl.h>
33: #include <stdlib.h>
34: #include <unistd.h>
35: #include <string.h>
36: #include <sysexits.h>
37:
38: #include "cvs.h"
39: #include "log.h"
40:
41:
42:
43:
44: static char* cvs_commit_openmsg (const char *);
45:
46:
47:
48:
49: /*
50: * cvs_commit()
51: *
52: * Handler for the `cvs commit' command.
53: */
54:
55: int
56: cvs_commit(int argc, char **argv)
57: {
58: int ch, recurse;
59: char *msg, *mfile;
60:
61: recurse = 1;
62: mfile = NULL;
63: msg = NULL;
64:
65: while ((ch = getopt(argc, argv, "F:flm:R")) != -1) {
66: switch (ch) {
67: case 'F':
68: mfile = optarg;
69: break;
70: case 'f':
71: recurse = 0;
72: break;
73: case 'l':
74: recurse = 0;
75: break;
76: case 'm':
77: msg = optarg;
78: break;
79: case 'R':
80: recurse = 1;
81: break;
82: default:
83: return (EX_USAGE);
84: }
85: }
86:
87: if ((msg != NULL) && (mfile != NULL)) {
88: cvs_log(LP_ERR, "the -F and -m flags are mutually exclusive");
89: return (EX_USAGE);
90: }
91:
92: if ((mfile != NULL) && (msg = cvs_commit_openmsg(mfile)) == NULL)
93: return (EX_DATAERR);
94:
95: argc -= optind;
96: argv += optind;
97:
98: return (0);
99: }
100:
101:
102: /*
103: * cvs_commit_openmsg()
104: *
105: * Open the file specified by <path> and allocate a buffer large enough to
106: * hold all of the file's contents. The returned value must later be freed
107: * using the free() function.
108: * Returns a pointer to the allocated buffer on success, or NULL on failure.
109: */
110:
111: static char*
112: cvs_commit_openmsg(const char *path)
113: {
114: int fd;
115: size_t sz;
116: char *msg;
117: struct stat st;
118:
119: if (stat(path, &st) == -1) {
120: cvs_log(LP_ERRNO, "failed to stat `%s'", path);
121: return (NULL);
122: }
123:
124: sz = st.st_size + 1;
125:
126: msg = (char *)malloc(sz);
127: if (msg == NULL) {
128: cvs_log(LP_ERRNO, "failed to allocate message buffer");
129: return (NULL);
130: }
131:
132: fd = open(path, O_RDONLY, 0);
133: if (fd == -1) {
134: cvs_log(LP_ERRNO, "failed to open message file `%s'", path);
135: return (NULL);
136: }
137:
138: if (read(fd, msg, sz - 1) == -1) {
139: cvs_log(LP_ERRNO, "failed to read CVS commit message");
140: return (NULL);
141: }
142: msg[sz - 1] = '\0';
143:
144: return (msg);
145: }