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HTTP parser: fixed minimum length optimization in headers hash.

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This commit is contained in:
Valentin Bartenev
2017-04-25 16:57:14 +03:00
parent cfed068c1d
commit 558d1f8687
1 changed files with 7 additions and 4 deletions
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11
src/nxt_http_parse.c
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@@ -771,7 +771,7 @@ nxt_http_fields_hash(nxt_http_fields_t *fields, nxt_mem_pool_t *mp)
nxt_http_fields_hash_t *hash; nxt_http_fields_hash_t *hash;
nxt_http_fields_hash_entry_t *entry; nxt_http_fields_hash_entry_t *entry;
min_length = 0; min_length = 32 + 1;
max_length = 0; max_length = 0;
for (i = 0; fields[i].handler != NULL; i++) { for (i = 0; fields[i].handler != NULL; i++) {
@@ -786,11 +786,14 @@ nxt_http_fields_hash(nxt_http_fields_t *fields, nxt_mem_pool_t *mp)
max_length = nxt_max(length, max_length); max_length = nxt_max(length, max_length);
} }
size = (max_length - min_length + 1) size = sizeof(nxt_http_fields_hash_t);
if (min_length <= 32) {
size += (max_length - min_length + 1)
* sizeof(nxt_http_fields_hash_entry_t *); * sizeof(nxt_http_fields_hash_entry_t *);
}
hash = nxt_mem_zalloc(mp, sizeof(nxt_http_fields_hash_t) + size); hash = nxt_mem_zalloc(mp, size);
if (nxt_slow_path(hash == NULL)) { if (nxt_slow_path(hash == NULL)) {
return NULL; return NULL;
} }