1 files changed, 1 insertions, 1 deletions
diff --git a/kern/strings.c b/kern/strings.c
index 0752722..72eb4f3 100644
--- a/kern/strings.c
+++ b/kern/strings.c
@@ -161,7 +161,7 @@ strncpy(
  *	the terminating null character.
  */
 
-size_t
+size_t __attribute__ ((pure))
 strlen(
 	const char *string)
 {