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UBSan: Avoid memcpy(ptr, NULL, 0)

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This results in an UBSan warning that can be avoided easily.

os_unix.c:524:3: runtime error: null pointer passed as argument 2, which is declared to never be null

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2019-02-23 14:01:25 +02:00
parent 5a23c2528a
commit a9377bc380
1 changed files with 2 additions and 2 deletions
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4
src/utils/os_unix.c
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@ -1,6 +1,6 @@
/* /*
* OS specific functions for UNIX/POSIX systems * OS specific functions for UNIX/POSIX systems
* Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi> * Copyright (c) 2005-2019, Jouni Malinen <j@w1.fi>
* *
* This software may be distributed under the terms of the BSD license. * This software may be distributed under the terms of the BSD license.
* See README for more details. * See README for more details.
@ -520,7 +520,7 @@ void * os_memdup(const void *src, size_t len)
{ {
void *r = os_malloc(len); void *r = os_malloc(len);
if (r) if (r && src)
os_memcpy(r, src, len); os_memcpy(r, src, len);
return r; return r;
} }