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Re: [Xen-devel] [PATCH 1/5] xen: add ssize_t to types.h

>>> On 31.05.12 at 17:07, Jean Guyader <jean.guyader@xxxxxxxxxx> wrote:
>--- a/xen/include/xen/types.h
>+++ b/xen/include/xen/types.h
>@@ -58,5 +58,6 @@ typedef __u64 __le64;
> typedef __u64 __be64;
> typedef unsigned long uintptr_t;
>+typedef int ssize_t;

If you add a new type, it needs to be defined correctly and
portably - here, it obviously needs to follow the definition of
size_t (which isn't a typedef of "unsigned int" unilaterally).

With ssize_t in particular I have always been wondering what
benefit it provides over ptrdiff_t (i.e. whether there are
environments where the two could sensibly be different).


> #endif /* __TYPES_H__ */

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