# HG changeset patch
# User Alexey Radkov <alexey.radkov@gmail.com>
# Date 1629395487 -10800
# Node ID 2a7155733855d1c2ea1c1ded8d1a4ba654b533cb
# Parent  3f0ab7b6cd71eb02b4714278cabcd2db5c79b3a9
Core: removed unnecessary restriction in hash initialization.

Hash initialization ignores elements with key.data set to NULL.
Nevertheless, the initial hash bucket size check didn't skip them,
resulting in unnecessary restrictions on, for example, variables with
long names and with the NGX_HTTP_VARIABLE_NOHASH flag.

Fix is to update the initial hash bucket size check to skip elements
with key.data set to NULL, similarly to how it is done in other parts
of the code.

diff --git a/src/core/ngx_hash.c b/src/core/ngx_hash.c
--- a/src/core/ngx_hash.c
+++ b/src/core/ngx_hash.c
@@ -274,6 +274,10 @@ ngx_hash_init(ngx_hash_init_t *hinit, ng
     }
 
     for (n = 0; n < nelts; n++) {
+        if (names[n].key.data == NULL) {
+            continue;
+        }
+
         if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *))
         {
             ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,