fix #36096 (oci_result() returns garbage after oci_fetch() failed)

diff --git a/ext/oci8/oci8_statement.c b/ext/oci8/oci8_statement.c
index 397b1924d03c4bb535df62b2bfe2b41724ebce66..d2d3aab7445eecf8a0ad2a403922efcd0397f8f9 100644 (file)
--- a/ext/oci8/oci8_statement.c
+++ b/ext/oci8/oci8_statement.c
@@ -165,7 +165,6 @@ int php_oci_statement_fetch(php_oci_statement *statement, ub4 nrows TSRMLS_DC)
                        /* this is exactly what we requested */
                        return 0;
                }
-               
                return 1;
        }
 
@@ -509,7 +508,7 @@ int php_oci_statement_execute(php_oci_statement *statement, ub4 mode TSRMLS_DC)
                                        outcol->storage_size4 *= 3;
                                        
                                        dynamic = OCI_DEFAULT;
-                                       buf = outcol->data = (text *) emalloc(outcol->storage_size4);
+                                       buf = outcol->data = (text *) ecalloc(1, outcol->storage_size4);
                                        break;
                        }
 
@@ -1020,6 +1019,10 @@ php_oci_out_column *php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAME
        if (!statement) {
                return NULL;
        }
+
+       if (!statement->has_data) {
+               return NULL;
+       }
        
        if (Z_TYPE_P(column_index) == IS_STRING) {
                column = php_oci_statement_get_column(statement, -1, Z_STRVAL_P(column_index), Z_STRLEN_P(column_index) TSRMLS_CC);