X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxgethostname.c;h=4db3bbd16a41f540a06a13a47c7e531c62dd45a7;hb=a76a349e949dfad5716eb3893052070b770e949f;hp=e24124c571fbe7a8c1eb807e5151d5a1cc120c3a;hpb=1c0d7dc343e0f293693e93f57a41ba9bfa92ea69;p=gnulib.git diff --git a/lib/xgethostname.c b/lib/xgethostname.c index e24124c57..4db3bbd16 100644 --- a/lib/xgethostname.c +++ b/lib/xgethostname.c @@ -1,5 +1,5 @@ /* xgethostname.c -- return current hostname with unlimited length - Copyright (C) 1992, 1996, 2000 Free Software Foundation, Inc. + Copyright (C) 1992, 1996, 2000, 2001 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -29,14 +29,17 @@ extern int errno; #endif #include "error.h" +#include "xalloc.h" + +#ifndef ENAMETOOLONG +# define ENAMETOOLONG 9999 +#endif #ifndef EXIT_FAILURE # define EXIT_FAILURE 1 #endif int gethostname (); -char *xmalloc (); -char *xrealloc (); #ifndef INITIAL_HOSTNAME_LENGTH # define INITIAL_HOSTNAME_LENGTH 34 @@ -47,7 +50,6 @@ xgethostname () { char *hostname; size_t size; - int err; size = INITIAL_HOSTNAME_LENGTH; /* Use size + 1 here rather than size to work around the bug @@ -57,17 +59,14 @@ xgethostname () while (1) { int k = size - 1; + int err; errno = 0; hostname[k] = '\0'; err = gethostname (hostname, size); if (err >= 0 && hostname[k] == '\0') break; -#ifdef ENAMETOOLONG else if (err < 0 && errno != ENAMETOOLONG && errno != 0) -#else - else if (err < 0 && errno != 0) -#endif error (EXIT_FAILURE, errno, "gethostname"); size *= 2; hostname = xrealloc (hostname, size + 1);