41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
|
|
* Copyright (c) 2011, 2012, 2014 Jonas 'Sortie' Termansen.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* unistd/getcwd.c
|
|
* Returns the current working directory.
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
char* getcwd(char* buf, size_t size)
|
|
{
|
|
char* cwd = canonicalize_file_name(".");
|
|
if ( !cwd )
|
|
return NULL;
|
|
if ( !buf )
|
|
return cwd;
|
|
if ( size <= strlcpy(buf, cwd, size) )
|
|
{
|
|
free(cwd);
|
|
errno = ERANGE;
|
|
return NULL;
|
|
}
|
|
free(cwd);
|
|
return buf;
|
|
}
|