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Diffstat (limited to 'sysdeps/unix/sysv/linux/fxstat64.c')
-rw-r--r--sysdeps/unix/sysv/linux/fxstat64.c32
1 files changed, 29 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/fxstat64.c b/sysdeps/unix/sysv/linux/fxstat64.c
index 5f13fbe35c..b88a78c7a5 100644
--- a/sysdeps/unix/sysv/linux/fxstat64.c
+++ b/sysdeps/unix/sysv/linux/fxstat64.c
@@ -1,5 +1,5 @@
/* fxstat64 using old-style Unix fstat 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
@@ -25,20 +25,46 @@
#include <sysdep.h>
#include <sys/syscall.h>
-#include <xstatconv.c>
+#if __ASSUME_STAT64_SYSCALL == 0
+# include <xstatconv.c>
+#endif
extern int __syscall_fstat (int, struct kernel_stat *);
+#ifdef __NR_fstat64
+extern int __syscall_fstat64 (int, 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 FD in BUF. */
int
__fxstat64 (int vers, int fd, struct stat64 *buf)
{
- struct kernel_stat kbuf;
+#if __ASSUME_STAT64_SYSCALL > 0
+ return INLINE_SYSCALL (fstat64, 2, fd, &buf);
+#else
int result;
+ struct kernel_stat kbuf;
+# if defined __NR_fstat64
+ if (! have_no_stat64)
+ {
+ int saved_errno = errno;
+ result = INLINE_SYSCALL (fstat64, 2, fd, &buf);
+
+ if (result != -1 || errno != ENOSYS)
+ return result;
+ __set_errno (saved_errno);
+ have_no_stat64 = 1;
+ }
+# endif
result = INLINE_SYSCALL (fstat, 2, fd, &kbuf);
if (result == 0)
result = xstat64_conv (vers, &kbuf, buf);
return result;
+#endif
}