const pointer was used in non-const context

ext/pdo_sqlite/sqlite_statement.c

@@ -282,6 +282,8 @@ static int pdo_sqlite_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, unsi
 static int pdo_sqlite_stmt_col_meta(pdo_stmt_t *stmt, long colno, zval *return_value TSRMLS_DC)
 {
 	pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
+	const char *_str;
+	size_t _str_len;
 	char *str;
 	zval *flags;
 	
@@ -318,14 +320,20 @@ static int pdo_sqlite_stmt_col_meta(pdo_stmt_t *stmt, long colno, zval *return_v
 			break;
 	}
 
-	str = (char*)sqlite3_column_decltype(S->stmt, colno);
-	if (str) {
+	_str = sqlite3_column_decltype(S->stmt, colno);
+	_str_len = strlen(_str);
+	if (_str) {
+		str = emalloc(_str_len);
+		strcpy(str, _str);
 		add_assoc_string(return_value, "sqlite:decl_type", str, 1);
 	}
 
 #ifdef SQLITE_ENABLE_COLUMN_METADATA
-	str = sqlite3_column_table_name(S->stmt, colno);
-	if (str) {
+	_str = sqlite3_column_table_name(S->stmt, colno);
+	_str_len = strlen(_str);
+	if (_str) {
+		str = emalloc(_str_len);
+		strcpy(str, _str);
 		add_assoc_string(return_value, "table", str, 1);
 	}
 #endif