diff options
Diffstat (limited to 'busybox/coreutils/basename.c')
-rw-r--r-- | busybox/coreutils/basename.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/busybox/coreutils/basename.c b/busybox/coreutils/basename.c new file mode 100644 index 000000000..7b8b7b6f0 --- /dev/null +++ b/busybox/coreutils/basename.c | |||
@@ -0,0 +1,62 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Mini basename implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | * | ||
21 | */ | ||
22 | |||
23 | /* BB_AUDIT SUSv3 compliant */ | ||
24 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */ | ||
25 | |||
26 | |||
27 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) | ||
28 | * | ||
29 | * Changes: | ||
30 | * 1) Now checks for too many args. Need at least one and at most two. | ||
31 | * 2) Don't check for options, as per SUSv3. | ||
32 | * 3) Save some space by using strcmp(). Calling strncmp() here was silly. | ||
33 | */ | ||
34 | |||
35 | #include <stdlib.h> | ||
36 | #include <stdio.h> | ||
37 | #include <string.h> | ||
38 | #include "busybox.h" | ||
39 | |||
40 | extern int basename_main(int argc, char **argv) | ||
41 | { | ||
42 | size_t m, n; | ||
43 | char *s; | ||
44 | |||
45 | if (((unsigned int)(argc-2)) >= 2) { | ||
46 | bb_show_usage(); | ||
47 | } | ||
48 | |||
49 | s = bb_get_last_path_component(*++argv); | ||
50 | |||
51 | if (*++argv) { | ||
52 | n = strlen(*argv); | ||
53 | m = strlen(s); | ||
54 | if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) { | ||
55 | s[m-n] = '\0'; | ||
56 | } | ||
57 | } | ||
58 | |||
59 | puts(s); | ||
60 | |||
61 | bb_fflush_stdout_and_exit(EXIT_SUCCESS); | ||
62 | } | ||