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-rw-r--r--libio/bits/stdio2-decl.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/libio/bits/stdio2-decl.h b/libio/bits/stdio2-decl.h
index d7ef7283d6..3b60c72931 100644
--- a/libio/bits/stdio2-decl.h
+++ b/libio/bits/stdio2-decl.h
@@ -47,10 +47,12 @@ extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag,
 #if __USE_FORTIFY_LEVEL > 1
 
 extern int __fprintf_chk (FILE *__restrict __stream, int __flag,
-			  const char *__restrict __format, ...);
+			  const char *__restrict __format, ...)
+    __nonnull ((1));
 extern int __printf_chk (int __flag, const char *__restrict __format, ...);
 extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
-			   const char *__restrict __format, __gnuc_va_list __ap);
+			   const char *__restrict __format,
+			   __gnuc_va_list __ap) __nonnull ((1));
 extern int __vprintf_chk (int __flag, const char *__restrict __format,
 			  __gnuc_va_list __ap);
 
@@ -103,7 +105,7 @@ extern char *__REDIRECT (__fgets_chk_warn,
 
 extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n,
 			  FILE *__restrict __stream)
-    __wur __attr_access ((__write_only__, 1, 3));
+    __wur __attr_access ((__write_only__, 1, 3)) __nonnull ((4));
 
 extern size_t __REDIRECT (__fread_alias,
 			  (void *__restrict __ptr, size_t __size,
@@ -119,7 +121,7 @@ extern size_t __REDIRECT (__fread_chk_warn,
 
 extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen,
 			   size_t __size, size_t __n,
-			   FILE *__restrict __stream) __wur;
+			   FILE *__restrict __stream) __wur __nonnull ((5));
 
 #ifdef __USE_GNU
 extern char *__REDIRECT_FORTIFY (__fgets_unlocked_alias,
@@ -135,7 +137,7 @@ extern char *__REDIRECT (__fgets_unlocked_chk_warn,
 
 extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size,
 				   int __n, FILE *__restrict __stream)
-    __wur __attr_access ((__write_only__, 1, 3));
+    __wur __attr_access ((__write_only__, 1, 3)) __nonnull ((4));
 #endif
 
 #ifdef __USE_MISC
@@ -154,7 +156,8 @@ extern size_t __REDIRECT (__fread_unlocked_chk_warn,
 
 extern size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen,
 				    size_t __size, size_t __n,
-				    FILE *__restrict __stream) __wur;
+				    FILE *__restrict __stream)
+    __wur __nonnull ((5));
 #endif
 
 #endif /* bits/stdio2-decl.h.  */