Hi Michael, On Sun, Nov 22, 2020 at 11:42:02PM +0100, Michael Kerrisk (man-pages) wrote: > Hi Sebastian, > > On 11/22/20 11:37 PM, Sebastian Kirmayer wrote: > > The minimum value of _POSIX_C_SOURCE for getnameinfo() was mistyped as 201112L > > (not a real POSIX version), it should be 200112L. This is the same typo that > > was fixed for getaddrinfo.3 in commit 94db8ae1824ada8561c3dbbbed88a8a9175c4886 > > > > According to the current documentation, this file should not compile, but > > it does: > > > > #define _POSIX_C_SOURCE 200112L > > #include <netdb.h> > > int (*mygetnameinfo)() = getnameinfo; > > > > (If _POSIX_C_SOURCE is changed to 200111L, the program does no longer compile.) > > > > man3/getnameinfo.3: > > > > @@ -27,7 +27,7 @@ Feature Test Macro Requirements for glibc (see > > .RE > > .PP > > .BR getnameinfo (): > > - Since glibc 2.22: _POSIX_C_SOURCE >= 201112L > > + Since glibc 2.22: _POSIX_C_SOURCE >= 200112L > > Glibc 2.21 and earlier: _POSIX_C_SOURCE > > .ad b > > .SH DESCRIPTION > > Thanks for taking the time to report, but I think you must be looking > at a rather old version of the manual pages. It looks like that typo > was fixed about three years ago in the Git tree! > > Thanks, > > Michael Oops, I accidently wrote getaddrinfo() in the subject. I meant to write getnameinfo(), and I'm actually referencing the commit from three years ago fixing it for getaddrinfo(). Sebastian
