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-rw-r--r--string/strnlen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/string/strnlen.c b/string/strnlen.c
index 8d53afbaf0..b3ab7ae44a 100644
--- a/string/strnlen.c
+++ b/string/strnlen.c
@@ -40,7 +40,7 @@ __strnlen (const char *str, size_t maxlen)
   if (maxlen == 0)
     return 0;
 
-  if (__builtin_expect (end_ptr < str, 0))
+  if (__glibc_unlikely (end_ptr < str))
     end_ptr = (const char *) ~0UL;
 
   /* Handle the first few characters by reading one character at a time.