new constant: SQL_NULL

new macros: RETURN_SQLNULL,RETVAL_SQLNULL,IS_SQLNULL

diff --git a/Zend/zend_API.h b/Zend/zend_API.h
index c1eadf23f82bcafece296ad2330dbe4ca931bfb1..36d1c9546961ed67951f12af815a978fe11cf8cd 100644 (file)
--- a/Zend/zend_API.h
+++ b/Zend/zend_API.h
@@ -211,6 +211,10 @@ ZEND_API int zend_set_hash_symbol(zval *symbol, char *name, int name_length,
 #define RETURN_FALSE  { RETVAL_FALSE; return; }
 #define RETURN_TRUE   { RETVAL_TRUE; return; }
 
+#define RETURN_SQLNULL RETURN_LONG(0)
+#define RETVAL_SQLNULL RETVAL_LONG(0)
+#define IS_SQLNULL(p) ((p)->type==IS_LONG && ((p)->value.lval == 0))
+
 #define SET_VAR_STRING(n,v)    {                                                                                                                                                               \
                                                                {                                                                                                                                                       \
                                                                        zval *var;                                                                                                                              \

diff --git a/Zend/zend_constants.c b/Zend/zend_constants.c
index 3a9b84d1c6d75e1ff17c319b36b273ed19559871..1aec33130d51fb597cbada003a8803defc610c1b 100644 (file)
--- a/Zend/zend_constants.c
+++ b/Zend/zend_constants.c
@@ -129,6 +129,12 @@ void zend_register_standard_constants(ELS_D)
                c.value.value.lval = 0;
                c.value.type = IS_BOOL;
                zend_register_constant(&c ELS_CC);
+
+               c.name = zend_strndup("SQL_NULL",8);
+               c.name_len = 9;
+               c.value.value.lval = 0;
+               c.value.type = IS_LONG;
+               zend_register_constant(&c ELS_CC);
        }
 }