Hey,
On Tue January 5 2010 21:01:13 Kovarththanan Rajaratnam wrote:
> clang detected the following false positive:
>
> sort.c:2292:7: warning: Null pointer passed as an argument to a 'nonnull'
> parameter memcpy (temp.text, line->text, line->length);
how can I force clang to issue the warning?
Pádraig Brady wrote:
> That looks wrong.
> Should memcpy() be marked as nonnull as the length can be 0?
That doesn't matter:
C99 7.21.1#2 "Where an argument declared as size_t n specifies
the length of the array for a function, n can have the value
zero on a call to that function. Unless explicitl
On 06/01/10 11:16, Kovarththanan Rajaratnam wrote:
Pádraig Brady wrote:
That looks wrong.
Should memcpy() be marked as nonnull as the length can be 0?
That doesn't matter:
C99 7.21.1#2 "Where an argument declared as size_t n specifies
the length of the array for a function, n can have the valu
That looks wrong.
Should memcpy() be marked as nonnull as the length can be 0?
In any case we don't want to be asserting in such cases,
rather just doing:
if (temp.text)
memcpy (...)
