[PATCH 1/1] Add null checks for str1 and str2 in memcmp, return -1 if either is NULL

[abhi]

Signed-off-by: abhi <abhijith.uwc...@gmail.com>
---
 libiberty/memcmp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libiberty/memcmp.c b/libiberty/memcmp.c
index 5b1af020e6c..449434e049e 100644
--- a/libiberty/memcmp.c
+++ b/libiberty/memcmp.c
@@ -22,6 +22,9 @@ as if comparing unsigned char arrays.
 int
 memcmp (const void *str1, const void *str2, size_t count)
 {
+  if(!str1 || !str2)
+    return -1;
+
   register const unsigned char *s1 = (const unsigned char*)str1;
   register const unsigned char *s2 = (const unsigned char*)str2;
 
-- 
2.46.0