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/***********************************************************************/
/* */
/* OCaml */
/* */
/* 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 "unixsupport.h"
#ifdef HAS_UNISTD
# include <unistd.h>
#else
# ifndef _WIN32
# include <sys/file.h>
# ifndef R_OK
# define R_OK 4/* test for read permission */
# define W_OK 2/* test for write permission */
# define X_OK 1/* test for execute (search) permission */
# define F_OK 0/* test for presence of file */
# endif
# else
# define R_OK 4/* test for read permission */
# define W_OK 2/* test for write permission */
# define X_OK 4/* test for execute permission - not implemented in Win32 */
# define F_OK 0/* test for presence of file */
# endif
#endif
static int access_permission_table[] = {
R_OK, W_OK, X_OK, F_OK
};
CAMLprim value unix_access(value path, value perms)
{
int ret, cv_flags;
cv_flags = convert_flag_list(perms, access_permission_table);
ret = access(String_val(path), cv_flags);
if (ret == -1)
uerror("access", path);
return Val_unit;
}
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