blob: 7df4f9c5f53596cfc5b58b6e30d3526ec649bf07 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/***********************************************************************/
/* */
/* 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. */
/* */
/***********************************************************************/
#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include <signals.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)
{
CAMLparam2(path, perms);
char * p;
int ret, cv_flags;
cv_flags = convert_flag_list(perms, access_permission_table);
p = caml_strdup(String_val(path));
caml_enter_blocking_section();
ret = access(p, cv_flags);
caml_leave_blocking_section();
caml_stat_free(p);
if (ret == -1)
uerror("access", path);
CAMLreturn(Val_unit);
}
|
