mirror of
https://github.com/sheumann/hush.git
synced 2024-12-30 05:29:47 +00:00
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini basename implementation for busybox
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*
|
|
*/
|
|
|
|
/* BB_AUDIT SUSv3 compliant */
|
|
/* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */
|
|
|
|
|
|
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
|
|
*
|
|
* Changes:
|
|
* 1) Now checks for too many args. Need at least one and at most two.
|
|
* 2) Don't check for options, as per SUSv3.
|
|
* 3) Save some space by using strcmp(). Calling strncmp() here was silly.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
/* This is a NOFORK applet. Be very careful! */
|
|
|
|
int basename_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int basename_main(int argc, char **argv)
|
|
{
|
|
size_t m, n;
|
|
char *s;
|
|
|
|
if (((unsigned int)(argc-2)) >= 2) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
/* It should strip slash: /abc/def/ -> def */
|
|
s = bb_get_last_path_component_strip(*++argv);
|
|
|
|
if (*++argv) {
|
|
n = strlen(*argv);
|
|
m = strlen(s);
|
|
if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) {
|
|
s[m-n] = '\0';
|
|
}
|
|
}
|
|
|
|
puts(s);
|
|
|
|
return fflush(stdout);
|
|
}
|