From f90d065a83c83bc3df2328bac53844acaf4b24f1 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 27 Dec 1999 07:50:01 +0000 Subject: [PATCH] Rewrite to use lstat64 syscall if available. --- sysdeps/unix/sysv/linux/lxstat64.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/sysdeps/unix/sysv/linux/lxstat64.c b/sysdeps/unix/sysv/linux/lxstat64.c index 60280804dba..3652c51336c 100644 --- a/sysdeps/unix/sysv/linux/lxstat64.c +++ b/sysdeps/unix/sysv/linux/lxstat64.c @@ -1,5 +1,5 @@ /* lxstat64 using old-style Unix lstat system call. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999 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 @@ -29,6 +29,12 @@ extern int __syscall_lstat (const char *, struct kernel_stat *); +#ifdef __NR_lstat64 +extern int __syscall_lstat64 (const char *, struct stat64 *); +/* The variable is shared between all wrappers around *stat64 calls. */ +extern int __have_no_stat64; +#endif + /* Get information about the file NAME in BUF. */ int __lxstat64 (int vers, const char *name, struct stat64 *buf) @@ -36,6 +42,20 @@ __lxstat64 (int vers, const char *name, struct stat64 *buf) struct kernel_stat kbuf; int result; +#ifdef __NR_lstat64 + if (! have_no_stat64) + { + int saved_errno = errno; + result = INLINE_SYSCALL (lstat64, 2, name, buf); + + if (result != -1 || errno != ENOSYS) + return result; + + __set_errno (saved_errno); + have_no_stat64 = 1; + } +#endif + result = INLINE_SYSCALL (lstat, 2, name, &kbuf); if (result == 0) result = xstat64_conv (vers, &kbuf, buf); -- 2.47.2