fixed #236: kill gcc false warning

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@770 c26eb9a1-5813-0410-bd6c-c2e55f420ca7

processor/head.m4

@@ -140,7 +140,7 @@ IFASSERT(`
 #undef C_RELAYLINE
 #define C_RELAYLINE , __LINE__
 ')
-static inline void xc_calc_string_n(xc_processor_t *processor, zend_uchar type, const zstr const str, long size IFASSERT(`, int relayline')) {
+static inline void xc_calc_string_n(xc_processor_t *processor, zend_uchar type, const_zstr const str, long size IFASSERT(`, int relayline')) {
 	pushdef(`__LINE__', `relayline')
 	int realsize = UNISW(size, (type == IS_UNICODE) ? UBYTES(size) : size);
 	long dummy = 1;
@@ -162,7 +162,7 @@ static inline void xc_calc_string_n(xc_processor_t *processor, zend_uchar type,
 /* }}} */
 /* {{{ xc_store_string_n */
 REDEF(`KIND', `store')
-static inline zstr xc_store_string_n(xc_processor_t *processor, zend_uchar type, const zstr const str, long size IFASSERT(`, int relayline')) {
+static inline zstr xc_store_string_n(xc_processor_t *processor, zend_uchar type, const_zstr const str, long size IFASSERT(`, int relayline')) {
 	pushdef(`__LINE__', `relayline')
 	int realsize = UNISW(size, (type == IS_UNICODE) ? UBYTES(size) : size);
 	zstr ret, *pret;

xcache.h

@@ -137,6 +137,7 @@ typedef znode znode_op;
 
 #ifndef IS_UNICODE
 typedef char *zstr;
+typedef const char *const_zstr;
 #	define ZSTR_S(s)     (s)
 #	define ZSTR_U(s)     (s)
 #	define ZSTR_V(s)     (s)
@@ -144,6 +145,7 @@ typedef char *zstr;
 #	define ZSTR_PU(s)    (s)
 #	define ZSTR_PV(s)    (s)
 #else
+typedef const zstr const_zstr;
 #	define ZSTR_S(zs)    ((zs).s)
 #	define ZSTR_U(zs)    ((zs).u)
 #	define ZSTR_V(zs)    ((zs).v)