ndk-busybox/libbb/concat_path_file.c
Denis Vlasenko defc1ea340 *: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
text    data     bss     dec     hex filename
 808035     611    6868  815514   c719a busybox_old
 804472     611    6868  811951   c63af busybox_unstripped
2008-06-27 02:52:20 +00:00

30 lines
703 B
C

/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) many different people.
* If you wrote this, please acknowledge your work.
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* Concatenate path and filename to new allocated buffer.
* Add '/' only as needed (no duplicate // are produced).
* If path is NULL, it is assumed to be "/".
* filename should not be NULL.
*/
#include "libbb.h"
char* FAST_FUNC concat_path_file(const char *path, const char *filename)
{
char *lc;
if (!path)
path = "";
lc = last_char_is(path, '/');
while (*filename == '/')
filename++;
return xasprintf("%s%s%s", path, (lc==NULL ? "/" : ""), filename);
}