geoip: got rid of ugly casts when calling ngx_free().
This is done by removing the "const" qualifier from the common return
type of handler functions returning either "const char *" or "char *".
diff --git a/src/http/modules/ngx_http_geoip_module.c b/src/http/modules/ngx_http_geoip_module.c
index 66cd3fb..0ce3bf1 100644
--- a/src/http/modules/ngx_http_geoip_module.c
+++ b/src/http/modules/ngx_http_geoip_module.c
@@ -28,7 +28,7 @@
} ngx_http_geoip_var_t;
-typedef const char *(*ngx_http_geoip_variable_handler_pt)(GeoIP *, u_long addr);
+typedef char *(*ngx_http_geoip_variable_handler_pt)(GeoIP *, u_long addr);
static u_long ngx_http_geoip_addr(ngx_http_request_t *r,
ngx_http_geoip_conf_t *gcf);
@@ -292,7 +292,7 @@
(ngx_http_geoip_variable_handler_pt) data;
size_t len;
- const char *val;
+ char *val;
ngx_http_geoip_conf_t *gcf;
gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module);
@@ -310,7 +310,7 @@
len = ngx_strlen(val);
v->data = ngx_pnalloc(r->pool, len);
if (v->data == NULL) {
- ngx_free((void *) val);
+ ngx_free(val);
return NGX_ERROR;
}
@@ -321,7 +321,7 @@
v->no_cacheable = 0;
v->not_found = 0;
- ngx_free((void *) val);
+ ngx_free(val);
return NGX_OK;