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On Aug 15 09:23, Joel Sherrill wrote: > Attached is a new version of the patch. Comments interspersed. > > On 8/15/2014 6:52 AM, Corinna Vinschen wrote: > > On Aug 14 17:53, Joel Sherrill wrote: > >> This type of change is always tricky. FreeBSD's string.h only had > >> __STRICT_ANSI__. I read the glibc version and attempted to > >> translate their feature flags into the BSD style ones we have > >> from <sys/cdefs.h>. > >> > >> There are a few methods I have no idea how to guard: > >> > >> + The block of Windows strcmpi and friends at the bottom > >> of the file. > > Nuke them. We don't have any Windows target, and Cygwin doesn't export > > those. They are likely a remnant from the time the Cygwin devs were > > trying to make Cygwin a MSVCRT replacement (pre 1999). > Done. :) > >> + strlwr() and strupr(). No idea where those originated. > > These ill-advised functions, which apparently predate any multibyte > > concernes are actually in newlib. They are ASCII only, non-standard, > > and inherently broken by design. So the question is, do we really want > > to export them? If so, maybe we should guard them with something like > > > > #ifdef __USE_NONSTD > That does not appear anywhere in the source. I hate to add a new guard. > They are wrapped in !defined(__STRICT_ANSI__). OTOH, this makes them visible in all circumstances but -ansi. I think we would really like to make them only visible if somebody really wants newlib extensions. So what if we define _NEWLIB_SOURCE and __NEWLIB_VISIBLE for stuff which is really newlib-only and not in any standard nor a Glibc extension? Corinna -- Corinna Vinschen Cygwin Maintainer Red Hat
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