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/* $OpenBSD: commit.c,v 1.2 2004/07/30 01:49:22 jfb Exp $ */
/*
* Copyright (c) 2004 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/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sysexits.h>
#include "cvs.h"
#include "log.h"
#include "proto.h"
static char* cvs_commit_openmsg (const char *);
/*
* cvs_commit()
*
* Handler for the `cvs commit' command.
*/
int
cvs_commit(int argc, char **argv)
{
int ch, recurse;
char *msg, *mfile;
recurse = 1;
mfile = NULL;
msg = NULL;
while ((ch = getopt(argc, argv, "F:flm:R")) != -1) {
switch (ch) {
case 'F':
mfile = optarg;
break;
case 'f':
recurse = 0;
break;
case 'l':
recurse = 0;
break;
case 'm':
msg = optarg;
break;
case 'R':
recurse = 1;
break;
default:
return (EX_USAGE);
}
}
if ((msg != NULL) && (mfile != NULL)) {
cvs_log(LP_ERR, "the -F and -m flags are mutually exclusive");
return (EX_USAGE);
}
if ((mfile != NULL) && (msg = cvs_commit_openmsg(mfile)) == NULL)
return (EX_DATAERR);
argc -= optind;
argv += optind;
return (0);
}
/*
* cvs_commit_openmsg()
*
* Open the file specified by <path> and allocate a buffer large enough to
* hold all of the file's contents. The returned value must later be freed
* using the free() function.
* Returns a pointer to the allocated buffer on success, or NULL on failure.
*/
static char*
cvs_commit_openmsg(const char *path)
{
int fd;
size_t sz;
char *msg;
struct stat st;
if (stat(path, &st) == -1) {
cvs_log(LP_ERRNO, "failed to stat `%s'", path);
return (NULL);
}
sz = st.st_size + 1;
msg = (char *)malloc(sz);
if (msg == NULL) {
cvs_log(LP_ERRNO, "failed to allocate message buffer");
return (NULL);
}
fd = open(path, O_RDONLY, 0);
if (fd == -1) {
cvs_log(LP_ERRNO, "failed to open message file `%s'", path);
return (NULL);
}
if (read(fd, msg, sz - 1) == -1) {
cvs_log(LP_ERRNO, "failed to read CVS commit message");
return (NULL);
}
msg[sz - 1] = '\0';
return (msg);
}
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