* initial import from the cvs-tools module

1 files changed, 145 insertions, 0 deletions

diff --git a/usr.bin/cvs/commit.c b/usr.bin/cvs/commit.c
new file mode 100644
index 00000000000..839bd29abb2
--- /dev/null
+++ b/usr.bin/cvs/commit.c
@@ -0,0 +1,145 @@
+/*	$OpenBSD: commit.c,v 1.1 2004/07/13 22:02:40 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"
+
+
+
+
+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);
+}