diff options
| author |   Ingo Schwarze <schwarze@openbsd.org> | 2015-05-20 23:00:43 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2015-05-20 23:00:43 +0000 |
| commit | e6a1cb605f731f0f6868bd9e5f991a0766db0ccc (patch) | |
| tree | 139599d70f1eacde9833aec487c5dfd0cd5549d8 /compat_stringlist.c | |
| parent | 0595eb95660c29a4e6dfdbf7b1e9641b3ab7b7ff (diff) | |
| download | mandoc-e6a1cb605f731f0f6868bd9e5f991a0766db0ccc.tar.gz mandoc-e6a1cb605f731f0f6868bd9e5f991a0766db0ccc.tar.zst mandoc-e6a1cb605f731f0f6868bd9e5f991a0766db0ccc.zip | |
fix integer overflows by using reallocarray(3)
Diffstat (limited to 'compat_stringlist.c')
| -rw-r--r-- | compat_stringlist.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/compat_stringlist.c b/compat_stringlist.c index 2b26e200..05b62d38 100644 --- a/compat_stringlist.c +++ b/compat_stringlist.c @@ -1,4 +1,4 @@ -/* $Id: compat_stringlist.c,v 1.2 2015/05/20 22:22:59 schwarze Exp $ */ +/* $Id: compat_stringlist.c,v 1.3 2015/05/20 23:00:43 schwarze Exp $ */ /* * Copyright (c) 1994 Christos Zoulas <christos@netbsd.org> * All rights reserved. @@ -48,7 +48,7 @@ sl_init(void) sl->sl_cur = 0; sl->sl_max = _SL_CHUNKSIZE; - sl->sl_str = malloc(sl->sl_max * sizeof(char *)); + sl->sl_str = reallocarray(NULL, sl->sl_max, sizeof(char *)); if (sl->sl_str == NULL) err(1, "stringlist"); return sl; @@ -63,7 +63,8 @@ sl_add(StringList *sl, char *name) { if (sl->sl_cur == sl->sl_max - 1) { sl->sl_max += _SL_CHUNKSIZE; - sl->sl_str = reallocf(sl->sl_str, sl->sl_max * sizeof(char *)); + sl->sl_str = reallocarray(sl->sl_str, + sl->sl_max, sizeof(char *)); if (sl->sl_str == NULL) return (-1); } |