[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Mini basename implementation for busybox
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| 4 | *
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| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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| 6 | *
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| 7 | * This program is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * This program is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 15 | * General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 20 | *
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| 21 | */
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| 22 |
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| 23 | /* BB_AUDIT SUSv3 compliant */
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| 24 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */
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| 25 |
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| 26 |
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| 27 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
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| 28 | *
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| 29 | * Changes:
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| 30 | * 1) Now checks for too many args. Need at least one and at most two.
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| 31 | * 2) Don't check for options, as per SUSv3.
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| 32 | * 3) Save some space by using strcmp(). Calling strncmp() here was silly.
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| 33 | */
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| 34 |
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| 35 | #include <stdlib.h>
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| 36 | #include <stdio.h>
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| 37 | #include <string.h>
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| 38 | #include "busybox.h"
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| 39 |
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| 40 | int basename_main(int argc, char **argv)
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| 41 | {
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| 42 | size_t m, n;
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| 43 | char *s;
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| 44 |
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| 45 | if (((unsigned int)(argc-2)) >= 2) {
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| 46 | bb_show_usage();
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| 47 | }
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| 48 |
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| 49 | s = bb_get_last_path_component(*++argv);
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| 50 |
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| 51 | if (*++argv) {
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| 52 | n = strlen(*argv);
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| 53 | m = strlen(s);
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| 54 | if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) {
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| 55 | s[m-n] = '\0';
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| 56 | }
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| 57 | }
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| 58 |
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| 59 | puts(s);
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| 60 |
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| 61 | bb_fflush_stdout_and_exit(EXIT_SUCCESS);
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| 62 | }
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