diff options
Diffstat (limited to 'ocaml-binary-annot/otherlibs/unix/readlink.c')
| -rw-r--r-- | ocaml-binary-annot/otherlibs/unix/readlink.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/ocaml-binary-annot/otherlibs/unix/readlink.c b/ocaml-binary-annot/otherlibs/unix/readlink.c new file mode 100644 index 0000000000..d2b9c4e125 --- /dev/null +++ b/ocaml-binary-annot/otherlibs/unix/readlink.c @@ -0,0 +1,48 @@ +/***********************************************************************/ +/* */ +/* 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> +#include <fail.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 |