Patch oci8_statement_v2.patch for OCI8 related Bug #73002

Patch version 2016-09-08 10:22 UTC

Obsoleted by patches:

• oci8_statement.patch_7_0_11, revision 2016-09-16 10:28 UTC
• oci8_statement.patch_7_0_13, revision 2016-11-14 12:11 UTC
• oci8_statement.patch_7_1_8, revision 2017-08-10 13:06 UTC

• 2016-09-08 10:22 UTC [diff to current]

Developer: lzsiga@freemail.c3.hu

--- oci8_statement.~c	2016-08-17 21:51:00.000000000 +0200
+++ oci8_statement.c	2016-09-08 11:08:49.025592560 +0200
@@ -975,17 +975,19 @@
 		}
 		zval_dtor(val);
 		ZVAL_NULL(val);
-	} else if (Z_TYPE_P(bind->zval) == IS_STRING
-			   && Z_STRLEN_P(bind->zval) > 0
-			   && Z_STRVAL_P(bind->zval)[ Z_STRLEN_P(bind->zval) ] != '\0') {
-		/* The post- PHP 5.3 feature for "interned" strings disallows
-		 * their reallocation but (i) any IN binds either interned or
-		 * not should already be null terminated and (ii) for OUT
-		 * binds, php_oci_bind_out_callback() should have allocated a
-		 * new string that we can modify here.
-		 */
-		Z_STR_P(bind->zval) = zend_string_extend(Z_STR_P(bind->zval), Z_STRLEN_P(bind->zval)+1, 0);
-		Z_STRVAL_P(bind->zval)[ Z_STRLEN_P(bind->zval) ] = '\0';
+	} else if (Z_TYPE_P(bind->zval) == IS_STRING) {
+		Z_STRLEN_P(bind->zval)= bind->dummy_len;
+		if (Z_STRLEN_P(bind->zval) > 0 &&
+		    Z_STRVAL_P(bind->zval)[ Z_STRLEN_P(bind->zval) ] != '\0') {
+			/* The post- PHP 5.3 feature for "interned" strings disallows
+			 * their reallocation but (i) any IN binds either interned or
+			 * not should already be null terminated and (ii) for OUT
+			 * binds, php_oci_bind_out_callback() should have allocated a
+			 * new string that we can modify here.
+			 */
+		    Z_STR_P(bind->zval) = zend_string_extend(Z_STR_P(bind->zval), Z_STRLEN_P(bind->zval)+1, 0);
+		    Z_STRVAL_P(bind->zval)[ Z_STRLEN_P(bind->zval) ] = '\0';
+		}
 	} else if (Z_TYPE_P(bind->zval) == IS_ARRAY) {
 		int i;
 		zval *entry = NULL;
@@ -1352,6 +1354,7 @@
 		*bufpp = 0;
 		*alenp = -1;
 		*indpp = (dvoid *)&phpbind->indicator;
+		phpbind->dummy_len= 0;		/* so far, 'dummy_len' meant the maximum length; from now, it is the actual length */
 	} else	if ((phpbind->descriptor == 0) && (phpbind->statement == 0)) {
 		/* "normal string bind */
 		convert_to_string(val);
@@ -1366,6 +1369,7 @@
 		 */
 		if ((phpbind->dummy_len > 0) && (phpbind->dummy_len < *alenp))
 			*alenp = phpbind->dummy_len;
+		phpbind->dummy_len= *alenp;	/* so far, 'dummy_len' meant the maximum length; from now, it is the actual length */
 		*indpp = (dvoid *)&phpbind->indicator;
 	} else if (phpbind->statement != 0) {
 		/* RSET */
@@ -1458,8 +1462,9 @@
 		ZVAL_STRINGL(val, NULL, Z_STRLEN(phpbind->zval) + 1);
 #endif		
 
-		/* XXX we assume that zend-zval len has 4 bytes */
-		*alenpp = (ub4*) &Z_STRLEN_P(phpbind->zval);
+		/* XXX we assume that zend-zval len has 4 bytes -- doesn't work on big endian PowerPC-64 */
+		phpbind->dummy_len= Z_STRLEN_P(phpbind->zval);
+		*alenpp = &phpbind->dummy_len;
 		*bufpp = Z_STRVAL_P(phpbind->zval);
 		*piecep = OCI_ONE_PIECE;
 		*rcodepp = &phpbind->retcode;