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comparison src/http/v2/ngx_http_v2_filter_module.c @ 6279:c72eaf694d99

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HTTP/2: improved the ngx_http_v2_integer_octets(v) macro. Previously, it didn't work well for 0, 127, and 128, returning less than needed.
author Valentin Bartenev <vbart@nginx.com>
date Mon, 26 Oct 2015 17:46:16 +0300
parents b930e598a199
children f72d3129cd35
comparison
equal deleted inserted replaced
6278:b78df0822168 6279:c72eaf694d99
10 #include <ngx_http.h> 10 #include <ngx_http.h>
11 #include <nginx.h> 11 #include <nginx.h>
12 #include <ngx_http_v2_module.h> 12 #include <ngx_http_v2_module.h>
13 13
14 14
15 #define ngx_http_v2_integer_octets(v) (((v) + 127) / 128) 15 /*
16 * This returns precise number of octets for values in range 0..253
17 * and estimate number for the rest, but not smaller than required.
18 */
19
20 #define ngx_http_v2_integer_octets(v) (1 + (v) / 127)
16 21
17 #define ngx_http_v2_literal_size(h) \ 22 #define ngx_http_v2_literal_size(h) \
18 (ngx_http_v2_integer_octets(sizeof(h) - 1) + sizeof(h) - 1) 23 (ngx_http_v2_integer_octets(sizeof(h) - 1) + sizeof(h) - 1)
19 24
20 #define ngx_http_v2_indexed(i) (128 + (i)) 25 #define ngx_http_v2_indexed(i) (128 + (i))