fix segfault if $limit_rate was logged

This commit is contained in:
Igor Sysoev 2009-11-03 15:05:38 +00:00
parent f4b598b81b
commit 956bdfc000

View File

@ -14,6 +14,8 @@ static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static void ngx_http_variable_request_set(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static void ngx_http_variable_request_set_size(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r,
@ -238,7 +240,7 @@ static ngx_http_variable_t ngx_http_core_variables[] = {
offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 },
{ ngx_string("limit_rate"), ngx_http_variable_request_set_size,
ngx_http_variable_request,
ngx_http_variable_request_get_size,
offsetof(ngx_http_request_t, limit_rate),
NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
@ -568,6 +570,28 @@ ngx_http_variable_request_set(ngx_http_request_t *r,
}
static ngx_int_t
ngx_http_variable_request_get_size(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data)
{
size_t *sp;
sp = (size_t *) ((char *) r + data);
v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN);
if (v->data == NULL) {
return NGX_ERROR;
}
v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data;
v->valid = 1;
v->no_cacheable = 0;
v->not_found = 0;
return NGX_OK;
}
static void
ngx_http_variable_request_set_size(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data)