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-rw-r--r--io/fcntl.h13
1 files changed, 7 insertions, 6 deletions
diff --git a/io/fcntl.h b/io/fcntl.h
index b1a9f65387..ef9d5f9b81 100644
--- a/io/fcntl.h
+++ b/io/fcntl.h
@@ -69,16 +69,17 @@ extern int fcntl (int __fd, int __cmd, ...);
    This function is a cancellation point and therefore not marked with
    __THROW.  */
 #ifndef __USE_FILE_OFFSET64
-extern int open (__const char *__file, int __oflag, ...);
+extern int open (__const char *__file, int __oflag, ...) __nonnull ((1));
 #else
 # ifdef __REDIRECT
-extern int __REDIRECT (open, (__const char *__file, int __oflag, ...), open64);
+extern int __REDIRECT (open, (__const char *__file, int __oflag, ...), open64)
+     __nonnull ((1));
 # else
 #  define open open64
 # endif
 #endif
 #ifdef __USE_LARGEFILE64
-extern int open64 (__const char *__file, int __oflag, ...);
+extern int open64 (__const char *__file, int __oflag, ...) __nonnull ((1));
 #endif
 
 /* Create and open FILE, with mode MODE.  This takes an `int' MODE
@@ -87,17 +88,17 @@ extern int open64 (__const char *__file, int __oflag, ...);
    This function is a cancellation point and therefore not marked with
    __THROW.  */
 #ifndef __USE_FILE_OFFSET64
-extern int creat (__const char *__file, __mode_t __mode);
+extern int creat (__const char *__file, __mode_t __mode) __nonnull ((1));
 #else
 # ifdef __REDIRECT
 extern int __REDIRECT (creat, (__const char *__file, __mode_t __mode),
-		       creat64);
+		       creat64) __nonnull ((1));
 # else
 #  define creat creat64
 # endif
 #endif
 #ifdef __USE_LARGEFILE64
-extern int creat64 (__const char *__file, __mode_t __mode);
+extern int creat64 (__const char *__file, __mode_t __mode) __nonnull ((1));
 #endif
 
 #if !defined F_LOCK && (defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \