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https://github.com/topjohnwu/ndk-busybox.git
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46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini dirname implementation for busybox
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*
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* Copyright (C) 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 "busybox.h"
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#include <stdio.h>
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extern int dirname_main(int argc, char **argv)
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{
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char* s;
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if ((argc < 2) || (**(argv + 1) == '-'))
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usage(dirname_usage);
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argv++;
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s=*argv+strlen(*argv)-1;
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while (s != *argv && *s == '/') {
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*s-- = '\0';
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}
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s = strrchr(*argv, '/');
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if (s != NULL && s == *argv)
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s[1] = '\0';
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else if (s != NULL)
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*s = '\0';
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puts(s ? *argv : ".");
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return EXIT_SUCCESS;
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}
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