82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/* $Id$ */
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/* Copyright (c) 2004-2014 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Unix utils */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <unistd.h>
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#include <stdio.h>
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#include <libgen.h>
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#include <string.h>
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#ifndef PROGNAME
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# define PROGNAME "basename"
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#endif
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/* basename */
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/* private */
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/* prototypes */
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static int _basename(char * arg, char const * suf);
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static int _basename_usage(void);
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/* functions */
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/* basename */
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static int _basename(char * arg, char const * suf)
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{
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char * str;
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int slen;
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int alen;
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str = basename(arg);
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if(suf != NULL)
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{
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slen = strlen(str);
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alen = strlen(suf);
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if(alen < slen && strcmp(suf, &str[slen - alen]) == 0)
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str[slen - alen] = '\0';
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}
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puts(str);
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return 0;
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}
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/* basename_usage */
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static int _basename_usage(void)
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{
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fputs("Usage: " PROGNAME " string [suffix]\n", stderr);
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return 1;
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}
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/* public */
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/* functions */
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/* main */
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int main(int argc, char * argv[])
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{
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int o;
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while((o = getopt(argc, argv, "")) != -1)
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switch(o)
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{
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default:
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return _basename_usage();
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}
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if(optind != argc - 1 && optind != argc - 2)
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return _basename_usage();
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return (_basename(argv[optind], argv[optind + 1]) == 0) ? 0 : 2;
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}
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