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-rw-r--r--include/programs/xmalloc.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/programs/xmalloc.h b/include/programs/xmalloc.h
index 33871e22ef..5dc6aac57b 100644
--- a/include/programs/xmalloc.h
+++ b/include/programs/xmalloc.h
@@ -23,11 +23,14 @@
 
 /* Prototypes for a few program-wide used functions.  */
 extern void *xmalloc (size_t n)
-  __attribute_malloc__ __attribute_alloc_size__ ((1)) __attr_dealloc_free;
+  __attribute_malloc__ __attribute_alloc_size__ ((1)) __attr_dealloc_free
+  __returns_nonnull;
 extern void *xcalloc (size_t n, size_t s)
-  __attribute_malloc__ __attribute_alloc_size__ ((1, 2)) __attr_dealloc_free;
+  __attribute_malloc__ __attribute_alloc_size__ ((1, 2)) __attr_dealloc_free
+  __returns_nonnull;
 extern void *xrealloc (void *o, size_t n)
   __attribute_malloc__ __attribute_alloc_size__ ((2)) __attr_dealloc_free;
-extern char *xstrdup (const char *) __attribute_malloc__ __attr_dealloc_free;
+extern char *xstrdup (const char *) __attribute_malloc__ __attr_dealloc_free
+  __returns_nonnull;
 
 #endif /* xmalloc.h */