iBoot/lib/libc/strlcat_chk.c

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2023-07-08 13:03:17 -07:00
/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* This document is the property of Apple Inc.
* It is considered confidential and proprietary.
*
* This document may not be reproduced or transmitted in any form,
* in whole or in part, without the express written permission of
* Apple Inc.
*/
#include <sys/types.h>
#include <string.h>
#include <sys.h>
#if defined(strlcat)
#undef strlcat
#endif
size_t
__strlcat_chk(char *dst, char const *src, size_t s, size_t chk_size)
{
if (unlikely(chk_size < s))
panic("object size check failed (%zu < %zu)", s, chk_size);
return strlcat(dst, src, s);
}