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9756dfe1 | 1 | /* xstat64 using old-style Unix stat system call. |
56ddf355 | 2 | Copyright (C) 1991, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc. |
4cca6b86 UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | Boston, MA 02111-1307, USA. */ | |
19 | ||
9756dfe1 UD |
20 | #include <errno.h> |
21 | #include <stddef.h> | |
22 | #include <sys/stat.h> | |
23 | #include <kernel_stat.h> | |
4cca6b86 | 24 | |
0dee6738 UD |
25 | #include <sysdep.h> |
26 | #include <sys/syscall.h> | |
4bbb61e4 GM |
27 | #include <bp-checks.h> |
28 | ||
c63598bf | 29 | #include "kernel-features.h" |
0dee6738 | 30 | |
63a34b0f UD |
31 | #if __ASSUME_STAT64_SYSCALL == 0 |
32 | # include <xstatconv.c> | |
33 | #endif | |
9756dfe1 | 34 | |
56ddf355 UD |
35 | extern int __syscall_stat (const char *__unbounded, |
36 | struct kernel_stat *__unbounded); | |
9756dfe1 | 37 | |
63a34b0f | 38 | #ifdef __NR_stat64 |
56ddf355 UD |
39 | extern int __syscall_stat64 (const char *__unbounded, |
40 | struct stat64 *__unbounded); | |
63a34b0f UD |
41 | # if __ASSUME_STAT64_SYSCALL == 0 |
42 | /* The variable is shared between all wrappers around *stat64 calls. | |
43 | This is the definition. */ | |
01496d70 | 44 | int __have_no_stat64; |
63a34b0f UD |
45 | # endif |
46 | #endif | |
47 | ||
9756dfe1 | 48 | /* Get information about the file NAME in BUF. */ |
63a34b0f | 49 | |
9756dfe1 | 50 | int |
56ddf355 UD |
51 | ___xstat64 (int vers, const char *name, struct stat64 *buf); |
52 | ||
53 | int | |
54 | ___xstat64 (int vers, const char *name, struct stat64 *buf) | |
9756dfe1 | 55 | { |
56ddf355 | 56 | int result; |
63a34b0f | 57 | #if __ASSUME_STAT64_SYSCALL > 0 |
56ddf355 UD |
58 | result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (buf)); |
59 | # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 | |
60 | if (!result && buf->__st_ino != (__ino_t) buf->st_ino) | |
61 | buf->st_ino = buf->__st_ino; | |
62 | # endif | |
63 | return result; | |
63a34b0f | 64 | #else |
9756dfe1 | 65 | struct kernel_stat kbuf; |
63a34b0f | 66 | # if defined __NR_stat64 |
01496d70 | 67 | if (! __have_no_stat64) |
63a34b0f UD |
68 | { |
69 | int saved_errno = errno; | |
4bbb61e4 | 70 | result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (buf)); |
63a34b0f UD |
71 | |
72 | if (result != -1 || errno != ENOSYS) | |
56ddf355 UD |
73 | { |
74 | # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 | |
75 | if (!result && buf->__st_ino != (__ino_t) buf->st_ino) | |
76 | buf->st_ino = buf->__st_ino; | |
77 | # endif | |
78 | return result; | |
79 | } | |
9756dfe1 | 80 | |
63a34b0f | 81 | __set_errno (saved_errno); |
01496d70 | 82 | __have_no_stat64 = 1; |
63a34b0f UD |
83 | } |
84 | # endif | |
c63598bf | 85 | |
4bbb61e4 | 86 | result = INLINE_SYSCALL (stat, 2, CHECK_STRING (name), __ptrvalue (&kbuf)); |
9756dfe1 UD |
87 | if (result == 0) |
88 | result = xstat64_conv (vers, &kbuf, buf); | |
89 | ||
90 | return result; | |
63a34b0f | 91 | #endif |
9756dfe1 | 92 | } |
56ddf355 UD |
93 | |
94 | #include <shlib-compat.h> | |
95 | ||
96 | versioned_symbol (libc, ___xstat64, __xstat64, GLIBC_2_2); | |
97 | ||
98 | #if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) | |
99 | strong_alias (___xstat64, __old__xstat64) | |
100 | compat_symbol (libc, __old__xstat64, __xstat64, GLIBC_2_1); | |
101 | #endif |