[07a3253d] | 1 | /* |
---|
| 2 | * stat() - POSIX 1003.1b 5.6.2 - Get File Status |
---|
| 3 | * |
---|
[933388ae] | 4 | * Reused from lstat(). |
---|
| 5 | * |
---|
[07a3253d] | 6 | * COPYRIGHT (c) 1989-1998. |
---|
| 7 | * On-Line Applications Research Corporation (OAR). |
---|
| 8 | * Copyright assigned to U.S. Government, 1994. |
---|
| 9 | * |
---|
| 10 | * The license and distribution terms for this file may be |
---|
| 11 | * found in the file LICENSE in this distribution or at |
---|
| 12 | * http://www.OARcorp.com/rtems/license.html. |
---|
| 13 | * |
---|
| 14 | * $Id$ |
---|
| 15 | */ |
---|
| 16 | |
---|
[933388ae] | 17 | /* |
---|
| 18 | * lstat() and stat() share the same implementation with a minor |
---|
| 19 | * difference on how links are evaluated. |
---|
| 20 | */ |
---|
| 21 | |
---|
| 22 | #ifndef _STAT_NAME |
---|
| 23 | #define _STAT_NAME stat |
---|
| 24 | #define _STAT_R_NAME _stat_r |
---|
| 25 | #define _STAT_FOLLOW_LINKS TRUE |
---|
| 26 | #endif |
---|
| 27 | |
---|
| 28 | |
---|
[07a3253d] | 29 | #include <rtems.h> |
---|
| 30 | |
---|
| 31 | #if !defined(RTEMS_UNIX) |
---|
| 32 | |
---|
| 33 | #include <rtems/libio.h> |
---|
| 34 | #include <sys/types.h> |
---|
| 35 | #include <sys/stat.h> |
---|
| 36 | #include <unistd.h> |
---|
| 37 | #include <fcntl.h> |
---|
| 38 | #include <errno.h> |
---|
| 39 | |
---|
| 40 | #include "libio_.h" |
---|
| 41 | |
---|
[933388ae] | 42 | int _STAT_NAME( |
---|
[07a3253d] | 43 | const char *path, |
---|
| 44 | struct stat *buf |
---|
| 45 | ) |
---|
| 46 | { |
---|
| 47 | int status; |
---|
| 48 | rtems_filesystem_location_info_t loc; |
---|
| 49 | |
---|
| 50 | /* |
---|
| 51 | * Check to see if we were passed a valid pointer. |
---|
| 52 | */ |
---|
| 53 | |
---|
| 54 | if ( !buf ) |
---|
| 55 | set_errno_and_return_minus_one( EFAULT ); |
---|
| 56 | |
---|
[933388ae] | 57 | status = rtems_filesystem_evaluate_path( path, 0, &loc, _STAT_FOLLOW_LINKS ); |
---|
[07a3253d] | 58 | if ( status != 0 ) |
---|
| 59 | return -1; |
---|
| 60 | |
---|
| 61 | if ( !loc.handlers->fstat ) |
---|
| 62 | set_errno_and_return_minus_one( ENOTSUP ); |
---|
| 63 | |
---|
| 64 | /* |
---|
| 65 | * Zero out the stat structure so the various support |
---|
| 66 | * versions of stat don't have to. |
---|
| 67 | */ |
---|
| 68 | |
---|
| 69 | memset( buf, 0, sizeof(struct stat) ); |
---|
| 70 | |
---|
| 71 | return (*loc.handlers->fstat)( &loc, buf ); |
---|
| 72 | } |
---|
| 73 | #endif |
---|
| 74 | |
---|
| 75 | /* |
---|
[933388ae] | 76 | * _stat_r, _lstat_r |
---|
[07a3253d] | 77 | * |
---|
[933388ae] | 78 | * This is the Newlib dependent reentrant version of stat() and lstat(). |
---|
[07a3253d] | 79 | */ |
---|
| 80 | |
---|
| 81 | #if defined(RTEMS_NEWLIB) |
---|
| 82 | |
---|
| 83 | #include <reent.h> |
---|
| 84 | |
---|
[933388ae] | 85 | int _STAT_R_NAME( |
---|
[07a3253d] | 86 | struct _reent *ptr, |
---|
| 87 | const char *path, |
---|
| 88 | struct stat *buf |
---|
| 89 | ) |
---|
| 90 | { |
---|
[933388ae] | 91 | return _STAT_NAME( path, buf ); |
---|
[07a3253d] | 92 | } |
---|
| 93 | #endif |
---|