[hackers] [scc] [cc1] Fix size/offset calculation for structs || Roberto E. Vargas Caballero

From: <git_AT_suckless.org>
Date: Wed, 28 Sep 2016 12:35:15 +0200 (CEST)

commit 9761a80a98bd2f59d922f83862f4faa7a4389861
Author: Roberto E. Vargas Caballero <k0ga_AT_shike2.com>
AuthorDate: Wed Sep 28 12:28:00 2016 +0200
Commit: Roberto E. Vargas Caballero <k0ga_AT_shike2.com>
CommitDate: Wed Sep 28 12:28:00 2016 +0200

    [cc1] Fix size/offset calculation for structs
    
    The code was adding when it should only assign. With the previous
    code we were duplicating the offset for every field with aligment
    different of 0.

diff --git a/cc1/types.c b/cc1/types.c
index 44deac6..d49b3e5 100644
--- a/cc1/types.c
+++ b/cc1/types.c
_AT_@ -210,7 +210,7 @@ typesize(Type *tp)
                                 align = a;
                         if (tp->op == STRUCT) {
                                 if (--a != 0)
- size += (size + a) & ~a;
+ size = (size + a) & ~a;
                                 size += aux->size;
                                 offset = size;
                         } else {
Received on Wed Sep 28 2016 - 12:35:15 CEST