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66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini basename implementation for busybox
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*
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* Copyright (C) 1999,2000 by Lineo, inc.
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* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
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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; either version 2 of the License, or
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* (at your option) any later version.
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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 GNU
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* 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <stdio.h>
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const char *basename_usage="basename FILE [SUFFIX]\n"
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#ifndef BB_FEATURE_TRIVIAL_HELP
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"\nStrips directory path and suffixes from FILE.\n"
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"If specified, also removes any trailing SUFFIX.\n"
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#endif
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;
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extern int basename_main(int argc, char **argv)
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{
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int m, n;
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char *s, *s1;
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if ((argc < 2) || (**(argv + 1) == '-')) {
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usage(basename_usage);
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}
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argv++;
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s1=*argv+strlen(*argv)-1;
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while (s1 && *s1 == '/') {
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*s1 = '\0';
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s1--;
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}
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s = strrchr(*argv, '/');
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if (s==NULL) s=*argv;
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else s++;
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if (argc>2) {
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argv++;
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n = strlen(*argv);
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m = strlen(s);
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if (m>=n && strncmp(s+m-n, *argv, n)==0)
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s[m-n] = '\0';
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}
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printf("%s\n", s);
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exit(TRUE);
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}
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