From 4a95c63b1f9778215c515b8c4f66d0c7672c214f Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@csail.mit.edu>
Date: Fri, 10 Jun 2016 11:25:53 -0400
Subject: Elaborate C expression to appease recent compilers

---
 src/c/memmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/c/memmem.c')

diff --git a/src/c/memmem.c b/src/c/memmem.c
index 68526714..891b2117 100644
--- a/src/c/memmem.c
+++ b/src/c/memmem.c
@@ -70,7 +70,7 @@ memmem(const void *b1, size_t len1, const void *b2, size_t len2)
         char *eos   = sp + len1 - len2;
 
         /* Sanity check */
-        if(!(b1 && b2 && len1 && len2))
+        if(!(b1 != NULL && b2 != NULL && len1 != 0 && len2 != 0))
                 return NULL;
 
         while (sp <= eos) {
-- 
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