harec

commit a0e81298366197c343aa773e4e95b0c0ef1a89b2
parent 85f5b69c494039b0a10763aa2ae952e7153eb917
Author: Alexey Yerin <yyp@disroot.org>
Date:   Wed,  1 Sep 2021 16:04:17 +0300

gen: add padding at the end of structs

Fixes net::dial crash.

Signed-off-by: Alexey Yerin <yyp@disroot.org>

Diffstat:
M
src/gen.c
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/gen.c b/src/gen.c
@@ -3024,6 +3024,17 @@ gen_data_item(struct gen_context *ctx, struct expression *expr,
 				item->next = xcalloc(1,
 					sizeof(struct qbe_data_item));
 				item = item->next;
+			} else {
+				const struct struct_field *fi = f->field;
+				if (fi->offset + fi->type->size
+						!= expr->result->size) {
+					item->next = xcalloc(1,
+						sizeof(struct qbe_data_item));
+					item = item->next;
+					item->type = QD_ZEROED;
+					item->zeroed = expr->result->size
+						- (fi->offset + fi->type->size);
+				}
 			}
 		}
 		break;