Fixed issue #25: char(1) is padded with spaces with charset UTF8

Author: Martin Köditz

ibase_query.c

@@ -947,6 +947,10 @@ static void _php_ibase_alloc_xsqlda(XSQLDA *sqlda) /* {{{ */
 	for (i = 0; i < sqlda->sqld; i++) {
 		XSQLVAR *var = &sqlda->sqlvar[i];
 
+        if ((var->sqltype & ~1) == SQL_TEXT) {
+            var->sqltype = SQL_VARYING | (var->sqltype & 1);
+        }
+
 		switch (var->sqltype & ~1) {
 			case SQL_TEXT:
 				var->sqldata = safe_emalloc(sizeof(char), var->sqllen, 0);

tests/datatype_char_utf8.phpt

@@ -0,0 +1,41 @@
+--TEST--
+Check for data type CHAR(1) and UTF8
+--SKIPIF--
+<?php
+include("skipif.inc");
+?>
+--FILE--
+<?php
+	require("interbase.inc");
+
+	$db = ibase_connect($test_base, );
+
+    ibase_query(
+    	"CREATE TABLE test_dt (
+            v_char_utf8_1 CHAR(1) CHARACTER SET UTF8,
+            v_char_utf8_10 CHAR(10) CHARACTER SET UTF8,
+            v_varchar_utf8_1 VARCHAR(1) CHARACTER SET UTF8
+        );");
+    ibase_commit();
+
+	ibase_query("insert into test_dt (v_char_utf8_1, v_char_utf8_10, v_varchar_utf8_1) values ('€', '  A   €   ', '€')");
+
+    $sql = 'select * from test_dt';
+    $query = ibase_query($sql);
+    while(($row = ibase_fetch_assoc($query))) {
+    	var_dump($row);
+    }
+
+    ibase_free_result($query);
+    ibase_close();
+
+?>
+--EXPECTF--
+array(3) {
+  ["V_CHAR_UTF8_1"]=>
+  string(3) "€"
+  ["V_CHAR_UTF8_10"]=>
+  string(12) "  A   €   "
+  ["V_VARCHAR_UTF8_1"]=>
+  string(3) "€"
+}