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63 lines
1.7 KiB
C
63 lines
1.7 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) 1999-2004 by Erik Andersen <andersen@codepoet.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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/* BB_AUDIT SUSv3 compliant */
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/* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */
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/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
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*
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* Changes:
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* 1) Now checks for too many args. Need at least one and at most two.
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* 2) Don't check for options, as per SUSv3.
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* 3) Save some space by using strcmp(). Calling strncmp() here was silly.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "busybox.h"
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extern int basename_main(int argc, char **argv)
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{
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size_t m, n;
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char *s;
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if (((unsigned int)(argc-2)) >= 2) {
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bb_show_usage();
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}
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s = bb_get_last_path_component(*++argv);
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if (*++argv) {
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n = strlen(*argv);
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m = strlen(s);
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if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) {
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s[m-n] = '\0';
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}
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}
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puts(s);
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bb_fflush_stdout_and_exit(EXIT_SUCCESS);
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}
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