mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-28 22:36:24 +01:00
f4ac32def2
Add some constness to avoid some warnings. Remove use register keyword. Deal with missing/unneeded extern/prototypes. Some minor type changes/casts to avoid warnings. Reviewed by: md5
120 lines
3.2 KiB
C
120 lines
3.2 KiB
C
/*-
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1991, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)basename.c 8.4 (Berkeley) 5/4/95";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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void usage(void);
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int
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main(int argc, char **argv)
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{
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char *p, *q, *suffix;
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size_t suffixlen;
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int aflag, ch;
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aflag = 0;
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suffix = NULL;
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suffixlen = 0;
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while ((ch = getopt(argc, argv, "as:")) != -1)
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switch(ch) {
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case 'a':
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aflag = 1;
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break;
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case 's':
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suffix = optarg;
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc < 1)
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usage();
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if (!*argv[0]) {
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printf("\n");
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exit(0);
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}
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if ((p = basename(argv[0])) == NULL)
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err(1, "%s", argv[0]);
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if ((suffix == NULL && !aflag) && argc == 2) {
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suffix = argv[1];
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argc--;
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}
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if (suffix != NULL)
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suffixlen = strlen(suffix);
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while (argc--) {
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if ((p = basename(*argv)) == NULL)
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err(1, "%s", argv[0]);
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if (suffixlen && (q = strchr(p, '\0') - suffixlen) > p &&
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strcmp(suffix, q) == 0)
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*q = '\0';
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argv++;
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(void)printf("%s\n", p);
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}
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exit(0);
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}
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void
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usage(void)
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{
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(void)fprintf(stderr,
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"usage: basename string [suffix]\n"
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" basename [-a] [-s suffix] string [...]\n");
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exit(1);
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}
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