From 38e8ce32afbaa82f67d992b9f3056f281fe69259 Mon Sep 17 00:00:00 2001 From: Mark Adler Date: Sun, 22 Jan 2017 23:38:52 -0800 Subject: [PATCH] Fix CLEAR_HASH macro to be usable as a single statement. As it is used in deflateParams(). --- deflate.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/deflate.c b/deflate.c index e97bd87..568eadd 100644 --- a/deflate.c +++ b/deflate.c @@ -190,8 +190,11 @@ local const config configuration_table[10] = { * prev[] will be initialized on the fly. */ #define CLEAR_HASH(s) \ - s->head[s->hash_size-1] = NIL; \ - zmemzero((Bytef *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head)); + do { \ + s->head[s->hash_size-1] = NIL; \ + zmemzero((Bytef *)s->head, \ + (unsigned)(s->hash_size-1)*sizeof(*s->head)); \ + } while (0) /* =========================================================================== * Slide the hash table when sliding the window down (could be avoided with 32 -- 2.44.0