optimize: reading ngx.header.HEADER: reduce allocations in the nginx request memory pool.

agentzh · agentzh · commit 790e57dee806 · 2014-07-10T16:31:33.000-07:00
diff --git a/src/ngx_http_lua_headers.c b/src/ngx_http_lua_headers.c
@@ -532,7 +532,7 @@ ngx_http_lua_ngx_header_get(lua_State *L)
 
     dd("key: %.*s, len %d", (int) len, p, (int) len);
 
-    key.data = ngx_palloc(r->pool, len + 1);
+    key.data = (u_char*) lua_newuserdata(L, len + 1);
     if (key.data == NULL) {
         return luaL_error(L, "no memory");
     }

Original file line number	Diff line number	Diff line change
`@@ -532,7 +532,7 @@ ngx_http_lua_ngx_header_get(lua_State *L)`
`532`	`532`
`533`	`533`	`dd("key: %.*s, len %d", (int) len, p, (int) len);`
`534`	`534`
`535`		`- key.data = ngx_palloc(r->pool, len + 1);`
	`535`	`+ key.data = (u_char*) lua_newuserdata(L, len + 1);`
`536`	`536`	`if (key.data == NULL) {`
`537`	`537`	`return luaL_error(L, "no memory");`
`538`	`538`	`}`