aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/i386/lxstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/lxstat.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/lxstat.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/lxstat.c b/sysdeps/unix/sysv/linux/i386/lxstat.c
new file mode 100644
index 0000000000..fa5b463362
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/lxstat.c
@@ -0,0 +1,94 @@
+/* lxstat using old-style Unix lstat system call.
+ Copyright (C) 1991,95,96,97,98,2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Ho hum, if xstat == xstat64 we must get rid of the prototype or gcc
+ will complain since they don't strictly match. */
+#define __lxstat64 __lxstat64_disable
+
+#include <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <kernel_stat.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include <xstatconv.c>
+
+extern int __syscall_lstat (const char *, struct kernel_stat *);
+
+#ifdef __NR_stat64
+extern int __syscall_lstat64 (const char *, struct stat64 *);
+# if __ASSUME_STAT64_SYSCALL == 0
+/* The variable is shared between all wrappers around *stat64 calls. */
+extern int __have_no_stat64;
+# endif
+#endif
+
+
+/* Get information about the file NAME in BUF. */
+int
+__lxstat (int vers, const char *name, struct stat *buf)
+{
+ struct kernel_stat kbuf;
+ int result;
+
+ if (vers == _STAT_VER_KERNEL)
+ {
+ return INLINE_SYSCALL (lstat, 2, name, (struct kernel_stat *) buf);
+ }
+
+#if __ASSUME_STAT64_SYSCALL > 0
+ result = INLINE_SYSCALL (lstat64, 2, name, &buf64);
+ if (result == 0)
+ result = xstat32_conv (vers, &buf64, buf);
+ return result;
+#else
+
+# if defined __NR_stat64
+ /* To support 32 bit UIDs, we have to use stat64. The normal stat call only returns
+ 16 bit UIDs. */
+ if (! __have_no_stat64)
+ {
+ struct stat64 buf64;
+ result = INLINE_SYSCALL (lstat64, 2, name, &buf64);
+
+ if (result == 0)
+ result = xstat32_conv (vers, &buf64, buf);
+
+ if (result != -1 || errno != ENOSYS)
+ return result;
+
+ __have_no_stat64 = 1;
+ }
+# endif
+
+ result = INLINE_SYSCALL (lstat, 2, name, &kbuf);
+ if (result == 0)
+ result = xstat_conv (vers, &kbuf, buf);
+
+ return result;
+#endif
+}
+
+weak_alias (__lxstat, _lxstat);
+#ifdef XSTAT_IS_XSTAT64
+#undef __lxstat64
+strong_alias (__lxstat, __lxstat64);
+#endif