emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

New version to cut size. Includes optional basename() compatibility, but

Browse Source 
enabling that would break the basename applet at least for one corner case.
This commit is contained in:
Manuel Novoa III 2001-12-05 04:35:32 +00:00
parent 6509f92a3b
commit 3280f9a3fc
1 changed files with 27 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
libbb/get_last_path_component.c
View File

@ -1,8 +1,8 @@
/* vi: set sw=4 ts=4: */
/*
* Utility routines.
* get_last_path_component implementation for busybox
*
* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
* Copyright (C) 2001 Manuel Novoa III <mjn3@opensource.lineo.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -17,49 +17,40 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <string.h>
#include "libbb.h"
/* Set to 1 if you want basename() behavior for NULL or "". */
/* WARNING!!! Doing so will break basename applet at least! */
#define EMULATE_BASENAME 0
char *get_last_path_component(char *path)
{
char *s;
register char *ptr = path;
register char *prev = 0;
#if EMULATE_BASENAME
static const char null_or_empty[] = ".";
#endif
char *first = path;
char *last;
while (*ptr)
ptr++;
s = ptr - 1;
#if EMULATE_BASENAME
if (!path || !*path) {
return (char *) null_or_empty;
}
#endif
/* strip trailing slashes */
while (s != path && *s == '/') {
*s-- = '\0';
last = path - 1;
while (*path) {
if ((*path != '/') && (path > ++last)) {
last = first = path;
}
++path;
}
/* find last component */
ptr = path;
while (*ptr != '\0') {
if (*ptr == '/')
prev = ptr;
ptr++;
if (*first == '/') {
last = first;
}
s = prev;
last[1] = 0;
if (s == NULL || s[1] == '\0')
return path;
else
return s+1;
return first;
}
/* END CODE */
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/