38 lines
894 B
C
38 lines
894 B
C
|
/* This is file GETCWD.C */
|
||
|
|
/*
|
||
|
|
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
|
||
|
|
**
|
||
|
|
** This file is distributed under the terms listed in the document
|
||
|
|
** "copying.dj", available from DJ Delorie at the address above.
|
||
|
|
** A copy of "copying.dj" should accompany this file; if not, a copy
|
||
|
|
** should be available from where this file was obtained. This file
|
||
|
|
** may not be distributed without a verbatim copy of "copying.dj".
|
||
|
|
**
|
||
|
|
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
|
||
|
|
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
char *getcwd(char *buf, int n)
|
||
|
|
{
|
||
|
|
char tmp[90];
|
||
|
|
getwd(tmp);
|
||
|
|
if (strlen(tmp)+1 > n)
|
||
|
|
{
|
||
|
|
errno = ERANGE;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (buf == 0)
|
||
|
|
{
|
||
|
|
buf = malloc(n);
|
||
|
|
if (buf == 0)
|
||
|
|
{
|
||
|
|
errno = ENOMEM;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
strcpy(buf, tmp);
|
||
|
|
return buf;
|
||
|
|
}
|