[Bug libc/223] New: IN_CLASS{A,B,C,D} assume argument is in host byte order

["camh+rhbz at xdna dot net" <sourceware-bugzilla at sources dot redhat dot com>]

The macro "functions" IN_CLASSA, IN_CLASSB, IN_CLASSC and IN_CLASSD in the file
/usr/include/netinet/in.h work only if the argument passed is in host byte
order. However, in_addr_t is in network byte order, so the tests fail on a
little-endian machine (x86).

-------
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <assert.h>

int main(int ac, char ** av)
{
  in_addr_t x = inet_addr("10.0.0.128");
  assert(IN_CLASSA(x)); /* should pass, but fails */
  return 0;
}
-------

-- 
           Summary: IN_CLASS{A,B,C,D} assume argument is in host byte order
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: gotom at debian dot or dot jp
        ReportedBy: camh+rhbz at xdna dot net
                CC: glibc-bugs at sources dot redhat dot com


http://sources.redhat.com/bugzilla/show_bug.cgi?id=223

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