[PATCH] ctype: Fix bitfield types on 16-bit targets
Brian Inglis <[email protected]>
| Newsgroups | gmane.comp.lib.newlib |
|---|---|
| Message-ID | <[email protected]> |
On 2018-07-20 11:37, Hans-Bernhard Bröker wrote: > Am 20.07.2018 um 13:07 schrieb Sebastian Huber: >> - unsigned int first: 24; - unsigned short delta; + uint_least32_t >> first: 24; + uint_least16_t delta; > Unfortunately that makes the code's correctness implementation-defined, > because it now depends on what the underlying implementation's take on > the constraint C99 6.7.2.1p4 is: > A bit-field shall have a type that is a qualified or unqualified > version of _Bool, signed int, unsigned int, or some other > implementation-defined type. > i.e. compilers are not required to allow uint32_least_t in this place. Old code breaks existing implementations; those implementations do support it: if others have problems, another patch can fix that; please feel free to propose a better patch. -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada