Contents of /trunk/mkinitrd-magellan/busybox/coreutils/basename.c
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1051 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
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 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
8 | * |
9 | */ |
10 | |
11 | /* BB_AUDIT SUSv3 compliant */ |
12 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */ |
13 | |
14 | |
15 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) |
16 | * |
17 | * Changes: |
18 | * 1) Now checks for too many args. Need at least one and at most two. |
19 | * 2) Don't check for options, as per SUSv3. |
20 | * 3) Save some space by using strcmp(). Calling strncmp() here was silly. |
21 | */ |
22 | |
23 | #include <stdlib.h> |
24 | #include <stdio.h> |
25 | #include <string.h> |
26 | #include "busybox.h" |
27 | |
28 | int basename_main(int argc, char **argv) |
29 | { |
30 | size_t m, n; |
31 | char *s; |
32 | |
33 | if (((unsigned int)(argc-2)) >= 2) { |
34 | bb_show_usage(); |
35 | } |
36 | |
37 | s = bb_get_last_path_component(*++argv); |
38 | |
39 | if (*++argv) { |
40 | n = strlen(*argv); |
41 | m = strlen(s); |
42 | if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) { |
43 | s[m-n] = '\0'; |
44 | } |
45 | } |
46 | |
47 | puts(s); |
48 | |
49 | fflush_stdout_and_exit(EXIT_SUCCESS); |
50 | } |