rcsclean now works;

1 files changed, 156 insertions, 0 deletions

diff --git a/usr.bin/rcs/rcsclean.c b/usr.bin/rcs/rcsclean.c
new file mode 100644
index 00000000000..b31e90f04e1
--- /dev/null
+++ b/usr.bin/rcs/rcsclean.c
@@ -0,0 +1,156 @@
+/*	$OpenBSD: rcsclean.c,v 1.1 2005/10/06 02:00:05 joris Exp $	*/
+/*
+ * Copyright (c) 2005 Joris Vink <joris@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/param.h>
+#include <sys/stat.h>
+
+#include <dirent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "diff.h"
+#include "log.h"
+#include "rcs.h"
+#include "rcsprog.h"
+
+extern char *__progname;
+static int rcsclean_file(char *, RCSNUM *);
+
+int
+rcsclean_main(int argc, char **argv)
+{
+	int i, ch;
+	RCSNUM *rev;
+	DIR *dirp;
+	struct dirent *dp;
+
+	rev = RCS_HEAD_REV;
+
+	while ((ch = getopt(argc, argv, "qV")) != -1) {
+		switch (ch) {
+		case 'q':
+			verbose = 0;
+			break;
+		case 'V':
+			printf("%s\n", rcs_version);
+			exit(0);
+		default:
+			break;
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc == 0) {
+		if ((dirp = opendir(".")) == NULL) {
+			cvs_log(LP_ERRNO, "failed to open directory '.'");
+			(usage)();
+			exit(1);
+		}
+
+		while ((dp = readdir(dirp)) != NULL) {
+			if (dp->d_type == DT_DIR)
+				continue;
+			rcsclean_file(dp->d_name, rev);
+		}
+
+		closedir(dirp);
+	} else {
+		for (i = 0; i < argc; i++)
+			rcsclean_file(argv[i], rev);
+	}
+
+	return (0);
+}
+
+void
+rcsclean_usage(void)
+{
+	fprintf(stderr, "usage %s [file] ...\n", __progname);
+}
+
+static int
+rcsclean_file(char *fname, RCSNUM *rev)
+{
+	int match;
+	RCSFILE *file;
+	char fpath[MAXPATHLEN];
+	RCSNUM *frev;
+	BUF *b1, *b2;
+	char *s1, *s2, *c1, *c2;
+
+	match = 1;
+	if (rcs_statfile(fname, fpath, sizeof(fpath)) < 0)
+		return (-1);
+
+	if ((file = rcs_open(fpath, RCS_RDWR)) == NULL)
+		return (-1);
+
+	if (rev == RCS_HEAD_REV)
+		frev = file->rf_head;
+	else
+		frev = rev;
+
+	if ((b1 = rcs_getrev(file, frev)) == NULL) {
+		cvs_log(LP_ERR, "failed to get needed revision");
+		rcs_close(file);
+		return (-1);
+	}
+
+	if ((b2 = cvs_buf_load(fname, BUF_AUTOEXT)) == NULL) {
+		cvs_log(LP_ERRNO, "failed to load '%s'", fname);
+		rcs_close(file);
+		return (-1);
+	}
+
+	cvs_buf_putc(b1, '\0');
+	cvs_buf_putc(b2, '\0');
+
+	c1 = cvs_buf_release(b1);
+	c2 = cvs_buf_release(b2);
+
+	for (s1 = c1, s2 = c2; *s1 && *s2; *s1++, *s2++) {
+		if (*s1 != *s2) {
+			match = 0;
+			break;
+		}
+	}
+
+	free(c1);
+	free(c2);
+
+	if (match) {
+		if (verbose)
+			printf("rm -f %s\n", fname);
+		(void)unlink(fname);
+	}
+
+	rcs_close(file);
+	return (0);
+}