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Fix CLEAR_HASH macro to be usable as a single statement. 

As it is used in deflateParams().
This commit is contained in:
Mark Adler 2017-01-22 23:38:52 -08:00
parent 8ba393e70d
commit 38e8ce32af
1 changed files with 5 additions and 2 deletions
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7
deflate.c
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@ -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