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light optimization of ngx_http_test_content_type()

This commit is contained in:
Igor Sysoev 2009-05-25 09:00:35 +00:00
parent b9f1f83e27
commit c8156a245c
1 changed files with 12 additions and 12 deletions
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24
src/http/ngx_http_core_module.c
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@ -1530,38 +1530,38 @@ ngx_http_core_find_static_location(ngx_http_request_t *r,
void *
ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash)
{
u_char c, *p;
ngx_uint_t i, hash;
u_char c, *lowcase;
size_t len;
ngx_uint_t i, hash;
if (r->headers_out.content_type.len == 0) {
return NULL;
}
len = r->headers_out.content_type_len;
if (r->headers_out.content_type_lowcase == NULL) {
p = ngx_pnalloc(r->pool, r->headers_out.content_type_len);
if (p == NULL) {
lowcase = ngx_pnalloc(r->pool, len);
if (lowcase == NULL) {
return NULL;
}
r->headers_out.content_type_lowcase = p;
r->headers_out.content_type_lowcase = lowcase;
hash = 0;
for (i = 0; i < r->headers_out.content_type_len; i++) {
for (i = 0; i < len; i++) {
c = ngx_tolower(r->headers_out.content_type.data[i]);
hash = ngx_hash(hash, c);
*p++ = c;
lowcase[i] = c;
}
r->headers_out.content_type_hash = hash;
}
return ngx_hash_find(types_hash,
r->headers_out.content_type_hash,
r->headers_out.content_type_lowcase,
r->headers_out.content_type_len);
return ngx_hash_find(types_hash, r->headers_out.content_type_hash,
r->headers_out.content_type_lowcase, len);
}