audio/mpg123/patches/patch-av

   1 $NetBSD: patch-av,v 1.2 2008/08/20 22:17:30 martin Exp $
   2
   3 --- xfermem.c.orig      1999-05-27 20:41:10.000000000 +0200
   4 +++ xfermem.c   2008-08-20 16:04:32.000000000 +0200
   5 @@ -32,8 +32,6 @@
   6  #include <sys/shm.h>
   7  #endif
   8
   9 -extern int errno;
  10 -
  11  #if defined (USE_MMAP) && defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
  12  #define MAP_ANON MAP_ANONYMOUS
  13  #endif
  14 @@ -180,6 +178,15 @@
  15                                 if (FD_ISSET(fd, &selfds))
  16                                         switch (read(fd, &cmd, 1)) {
  17                                                 case 0: /* EOF */
  18 +                                                       /*
  19 +                                                        * We should not check
  20 +                                                        * errno later on in
  21 +                                                        * this case, but we
  22 +                                                        * have to return an
  23 +                                                        * error code, so it
  24 +                                                        * will happen.
  25 +                                                        */
  26 +                                                       errno = 0;
  27                                                         return (-1);
  28                                                 case -1:
  29                                                         if (errno == EINTR)