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Core: fixed potential division by zero when initializing hash.

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Found by Clang Static Analyzer.
This commit is contained in:
Sergey Kandaurov 2015-08-13 16:27:17 +03:00
parent e161b6a46f
commit b7da4f5962
1 changed files with 8 additions and 0 deletions
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8
src/core/ngx_hash.c
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@ -257,6 +257,14 @@ ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts)
ngx_uint_t i, n, key, size, start, bucket_size;
ngx_hash_elt_t *elt, **buckets;
if (hinit->max_size == 0) {
ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,
"could not build %s, you should "
"increase %s_max_size: %i",
hinit->name, hinit->name, hinit->max_size);
return NGX_ERROR;
}
for (n = 0; n < nelts; n++) {
if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *))
{