48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/***********************************************************************/
|
|
/* */
|
|
/* Objective Caml */
|
|
/* */
|
|
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
|
|
/* */
|
|
/* Copyright 1996 Institut National de Recherche en Informatique et */
|
|
/* en Automatique. All rights reserved. This file is distributed */
|
|
/* under the terms of the GNU Library General Public License, with */
|
|
/* the special exception on linking described in file ../../LICENSE. */
|
|
/* */
|
|
/***********************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
#include <mlvalues.h>
|
|
#include <alloc.h>
|
|
|
|
#ifdef HAS_SYMLINK
|
|
|
|
#include <sys/param.h>
|
|
#include "unixsupport.h"
|
|
|
|
#ifndef PATH_MAX
|
|
#ifdef MAXPATHLEN
|
|
#define PATH_MAX MAXPATHLEN
|
|
#else
|
|
#define PATH_MAX 512
|
|
#endif
|
|
#endif
|
|
|
|
CAMLprim value unix_readlink(value path)
|
|
{
|
|
char buffer[PATH_MAX];
|
|
int len;
|
|
len = readlink(String_val(path), buffer, sizeof(buffer) - 1);
|
|
if (len == -1) uerror("readlink", path);
|
|
buffer[len] = '\0';
|
|
return copy_string(buffer);
|
|
}
|
|
|
|
#else
|
|
|
|
CAMLprim value unix_readlink(value path)
|
|
{ invalid_argument("readlink not implemented"); }
|
|
|
|
#endif
|