[libc-commits] [libc] [libc] Update size_t and ssize_t definitions to use __SIZE_TYPE__ and __PTRDIFF_TYPE__ respectively. (PR #143921)

[via libc-commits]

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@@ -9,11 +9,6 @@
 #ifndef LLVM_LIBC_TYPES_SIZE_T_H
 #define LLVM_LIBC_TYPES_SIZE_T_H
 
-// Since __need_size_t is defined, we get the definition of size_t from the
-// standalone C header stddef.h. Also, because __need_size_t is defined,
-// including stddef.h will pull only the type size_t and nothing else.
-#define __need_size_t
-#include <stddef.h>
-#undef __need_size_t
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lntue wrote:

it's cleaner and both clang and gcc provide this type definition, which is used in the stddef.h to define `size_t` anyway.

https://github.com/llvm/llvm-project/pull/143921