Bug#194300: libc6-dev: 4th argument of inet_ntop() should have type size_t, not socklen_t

[GOTO Masanori <gotom@debian.or.jp>]

severity 194300 normal
reassign 194300 manpages-dev
thanks

At Thu, 22 May 2003 15:10:59 +0200,
Guus Sliepen wrote:
> In /usr/include/arpa/inet.h:
> 
> /* Convert a Internet address in binary network format for interface
>    type AF in buffer starting at CP to presentation form and place
>    result in buffer of length LEN astarting at BUF.  */
> extern __const char *inet_ntop (int __af, __const void *__restrict __cp,
>                                 char *__restrict __buf, socklen_t __len)
>      __THROW;
> 
> >From the manpage:
> 
> SYNOPSIS
>        #include <sys/types.h>
>        #include <sys/socket.h>
>        #include <arpa/inet.h>
> 
>        const char *inet_ntop(int af, const void *src,
>                              char *dst, size_t cnt);
> 
> The last argument, cnt, is the size of the buffer dst, so it should
> indeed have type size_t, not socklen_t. Because of this the package vic
> FTBFS on architectures where sizeof(size_t) != sizeof(socklen_t).

Manpage does not always tell the right answer.  From SUSv3:

19904 SYNOPSIS
19905            #include <arpa/inet.h>
19906            const char *inet_ntop(int af, const void *restrict src,
19907                     char *restrict dst, socklen_t size);


Regards,
-- gotom