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remove useless copy: key name should be just copied before value length

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This commit is contained in:
Igor Sysoev 2010-06-01 17:25:36 +00:00
parent 4c9c518bbf
commit 1089957488
1 changed files with 7 additions and 15 deletions
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22
src/http/modules/ngx_http_uwsgi_module.c
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@ -451,7 +451,7 @@ ngx_http_uwsgi_eval(ngx_http_request_t *r, ngx_http_uwsgi_loc_conf_t * uwcf)
static ngx_int_t static ngx_int_t
ngx_http_uwsgi_create_request(ngx_http_request_t *r) ngx_http_uwsgi_create_request(ngx_http_request_t *r)
{ {
u_char ch, *pos, tmp[2]; u_char ch;
size_t key_len, val_len, len; size_t key_len, val_len, len;
ngx_uint_t i, n; ngx_uint_t i, n;
ngx_buf_t *b; ngx_buf_t *b;
@ -564,25 +564,17 @@ ngx_http_uwsgi_create_request(ngx_http_request_t *r)
*e.pos++ = (u_char) (key_len & 0xff); *e.pos++ = (u_char) (key_len & 0xff);
*e.pos++ = (u_char) ((key_len >> 8) & 0xff); *e.pos++ = (u_char) ((key_len >> 8) & 0xff);
code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) & e);
*e.pos++ = (u_char) (val_len & 0xff);
*e.pos++ = (u_char) ((val_len >> 8) & 0xff);
while (*(uintptr_t *) e.ip) { while (*(uintptr_t *) e.ip) {
code = *(ngx_http_script_code_pt *) e.ip; code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) & e); code((ngx_http_script_engine_t *) & e);
} }
pos = e.pos - val_len;
/* move memory */
for (i = 0; i < val_len; i += 2) {
e.pos = ngx_cpymem(tmp, pos + i + 2, 2);
e.pos = ngx_cpymem(pos + i + 2, pos, 2);
e.pos = ngx_cpymem(pos, tmp, 2);
}
e.pos = pos;
*e.pos++ = (u_char) (val_len & 0xff);
*e.pos++ = (u_char) ((val_len >> 8) & 0xff);
e.pos += val_len;
e.ip += sizeof(uintptr_t); e.ip += sizeof(uintptr_t);
} }