[mod_access] mark mod_access_check attribute pure

src/mod_access.c

@@ -1,6 +1,6 @@
 #include "first.h"
 
-#include "base.h"
+#include "request.h"
 #include "array.h"
 #include "buffer.h"
 #include "log.h"
@@ -8,7 +8,6 @@
 #include "plugin.h"
 
 #include <stdlib.h>
-#include <string.h>
 
 typedef struct {
     const array *access_allow;
@@ -98,17 +97,18 @@ static handler_t mod_access_reject (request_st * const r, plugin_data * const p)
     return HANDLER_FINISHED;
 }
 
-static int mod_access_check (const array *allow, const array *deny, const buffer *urlpath, const int lc) {
+__attribute_pure__
+static int mod_access_check (const array * const allow, const array * const deny, const buffer * const urlpath, const int lc) {
 
     if (allow && allow->used) {
-        const buffer *match = (!lc)
+        const buffer * const match = (!lc)
           ? array_match_value_suffix(allow, urlpath)
           : array_match_value_suffix_nc(allow, urlpath);
         return (match != NULL); /* allowed if match; denied if none matched */
     }
 
     if (deny && deny->used) {
-        const buffer *match = (!lc)
+        const buffer * const match = (!lc)
           ? array_match_value_suffix(deny, urlpath)
           : array_match_value_suffix_nc(deny, urlpath);
         return (match == NULL); /* deny if match; allow if none matched */