This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [GLIBC][PATCH v2] Remove strdup inlines


On Tue, 13 Dec 2016, Andreas Schwab wrote:

> On Dez 12 2016, Joseph Myers <joseph@codesourcery.com> wrote:
> 
> > GCC can only do that in general for C90 functions.  Consider someone 
> > selecting strict POSIX with -std=c99 -D_POSIX_C_SOURCE=200809L; glibc 
> > knows these names are reserved in that context, GCC doesn't.  (Well, for 
> > str* there's strictly a general C reservation, but glibc doesn't take 
> > advantage of it.)
> 
> That reservation is only active when the associated header is included.

No, the reservation with external linkage doesn't depend on the header 
being included.  (C90 Amendment 1 did have such a limited reservation, 
depending on header inclusion somewhere in the program, for the new 
functions it added, but not any other version of standard C.)

-- 
Joseph S. Myers
joseph@codesourcery.com


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]