blob: 57276305aca1960d6ffb5d11a24b16908e0ff08e (
plain) (
blame)
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
|
/**
* @file
*
* @ingroup libcsupport
*
* @brief access() - POSIX 1003.1b 5.6.3 - File Accessibility
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
int access(
const char *path,
int amode
)
{
struct stat statbuf;
if ( stat(path, &statbuf) )
return -1;
if ( amode & R_OK ) {
if (!( statbuf.st_mode & S_IREAD ))
return -1;
}
if ( amode & W_OK ) {
if ( !( statbuf.st_mode & S_IWRITE ) )
return -1;
}
if ( amode & X_OK ) {
if ( !( statbuf.st_mode & S_IEXEC ) )
return -1;
}
return 0;
}
|