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-rw-r--r--usr.bin/dirname/dirname.c153
1 files changed, 29 insertions, 124 deletions
diff --git a/usr.bin/dirname/dirname.c b/usr.bin/dirname/dirname.c
index 7ef52fdd55d..fbf53e2fcb0 100644
--- a/usr.bin/dirname/dirname.c
+++ b/usr.bin/dirname/dirname.c
@@ -1,9 +1,8 @@
-/* $OpenBSD: dirname.c,v 1.2 1996/06/26 05:32:36 deraadt Exp $ */
-/* $NetBSD: dirname.c,v 1.6 1995/09/02 06:02:25 jtc Exp $ */
+/* $OpenBSD: dirname.c,v 1.3 1997/08/17 21:32:46 millert Exp $ */
-/*-
- * Copyright (c) 1991, 1993, 1994
- * The Regents of the University of California. All rights reserved.
+/*
+ * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -15,141 +14,47 @@
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This product includes software developed by Todd C. Miller.
+ * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ * 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.
*/
#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1991, 1993, 1994\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
+static char rcsid[] = "$OpenBSD: dirname.c,v 1.3 1997/08/17 21:32:46 millert Exp $";
+#endif /* not lint */
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)dirname.c 8.4 (Berkeley) 5/4/95";
-#endif
-static char rcsid[] = "$OpenBSD: dirname.c,v 1.2 1996/06/26 05:32:36 deraadt Exp $";
-#endif /* not lint */
-
-#include <stdio.h>
-#include <stdlib.h>
+#include <libgen.h>
#include <locale.h>
-#include <unistd.h>
-
-static void usage __P((void));
+#include <stdio.h>
int
main(argc, argv)
int argc;
char **argv;
{
- register char *p;
- int ch;
+ char *dir;
+ extern char *__progname;
setlocale(LC_ALL, "");
- while ((ch = getopt(argc, argv, "")) != -1)
- switch(ch) {
- case '?':
- default:
- usage();
- }
- argc -= optind;
- argv += optind;
-
- if (argc != 1)
- usage();
-
- /*
- * (1) If string is //, skip steps (2) through (5).
- * (2) If string consists entirely of slash characters, string
- * shall be set to a single slash character. In this case,
- * skip steps (3) through (8).
- */
- for (p = *argv;; ++p) {
- if (!*p) {
- if (p > *argv)
- (void)printf("/\n");
- else
- (void)printf(".\n");
- exit(0);
- }
- if (*p != '/')
- break;
- }
-
- /*
- * (3) If there are any trailing slash characters in string, they
- * shall be removed.
- */
- for (; *p; ++p);
- while (*--p == '/')
- continue;
- *++p = '\0';
-
- /*
- * (4) If there are no slash characters remaining in string,
- * string shall be set to a single period character. In this
- * case skip steps (5) through (8).
- *
- * (5) If there are any trailing nonslash characters in string,
- * they shall be removed.
- */
- while (--p >= *argv)
- if (*p == '/')
- break;
- ++p;
- if (p == *argv) {
- (void)printf(".\n");
- exit(0);
+ if (argc != 2) {
+ (void)fprintf(stderr, "Usage: %s dirname\n", __progname);
+ exit(1);
}
- /*
- * (6) If the remaining string is //, it is implementation defined
- * whether steps (7) and (8) are skipped or processed.
- *
- * This case has already been handled, as part of steps (1) and (2).
- */
-
- /*
- * (7) If there are any trailing slash characters in string, they
- * shall be removed.
- */
- while (--p >= *argv)
- if (*p != '/')
- break;
- ++p;
-
- /*
- * (8) If the remaining string is empty, string shall be set to
- * a single slash character.
- */
- *p = '\0';
- (void)printf("%s\n", p == *argv ? "/" : *argv);
+ if ((dir = dirname(argv[1])) == NULL)
+ err(1, NULL);
+ puts(dir);
exit(0);
}
-
-static void
-usage()
-{
-
- (void)fprintf(stderr, "usage: dirname path\n");
- exit(1);
-}
-