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* r33436 broke user_strlcpy() semantics: with a size of 0, "to" can be ignored, 

and it's still a valid call.
* This fixes ktrace_printf() from userland.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33934 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2009-11-07 10:42:39 +00:00
parent fec0112f9a
commit ebcdd1fc61
1 changed files with 3 additions and 3 deletions
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6
src/system/kernel/vm/vm.cpp
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@ -5580,9 +5580,9 @@ user_memcpy(void* to, const void* from, size_t size)
ssize_t
user_strlcpy(char* to, const char* from, size_t size)
{
if (size == 0)
return 0;
if (from == NULL || to == NULL)
if (to == NULL && size != 0)
return B_BAD_VALUE;
if (from == NULL)
return B_BAD_ADDRESS;
// limit size to avoid address overflows