Bruno Haible <br...@clisp.org> writes: > Mats Erik Andersson wrote: >> In OpenBSD (definitely in 4.6) there is a POSIX violation, >> quoting Simon here, since the header file states >> >> ### /usr/include/net/if.h >> >> #define if_freenameindex(x) free(x) >> >> This macro causes difficulties ... > > Indeed, according to POSIX:2008 [1], a macro may be provided by the system, > but > the function needs to be provided as well. > > Bruno > > [1] > http://www.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_01_01
I guess this means the signature testing code should actually test that (if_freenameindex), and not if_freenameindex, matches the prototype, right? This to make sure that the function prototype (if existing) is used instead of the CPP macro. Perhaps signature.h already does this though... /Simon
