22 files changed, 112 insertions, 83 deletions
diff --git a/ChangeLog b/ChangeLog
index 9273002005..592d70df46 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,29 @@
 2000-04-01  Ulrich Drepper  <drepper@redhat.com>
 
+	* posix/unistd.h (socklen_t): Define if it has not yet happened.
+	(gethostname): Change type of second parameter to socklen_t.
+	* include/unistd.h (__gethostname): Change type of second
+	parameter to socklen_t.
+	* sysdeps/generic/gethostname.c (__gethostname): Likewise.
+	* sysdeps/mach/hurd/gethostname.c (__gethostname): Likewise.
+	* sysdeps/unix/sysv/gethostname.c (__gethostname): Likewise.
+	* sysdeps/unix/sysv/sysv4/solaris2/gethostname.c (__gethostname):
+	Likewise.
+	* sysdeps/unix/sysv/linux/gethostname.c: Removed.
+	* sysdeps/generic/bits/socket.h: Use __socklen_t to define socklen_t.
+	Allow definition elsewhere.
+	* sysdeps/unix/sysv/aix/bits/socket.h: Likewise.
+	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
+	* sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise.
+	* sysdeps/generic/bits/types.h: Define __socklen_t.
+	* sysdeps/unix/sysv/aix/bits/types.h: Likewise.
+	* sysdeps/unix/sysv/hpux/bits/types.h: Likewise.
+	* sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise.
+	* sysdeps/unix/sysv/linux/bits/types.h: Likewise.
+	* sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/bits/types.h: Likewise.
+	* sysdeps/unix/sysv/sysv4/solaris2/bits/types.h: Likewise.
+
 	* inet/arpa/inet.h (inet_addr): Change return type to in_addr_t.
 	(inet_lnaof): Likewise.
 	(inet_netof): Likewise.
diff --git a/bits/socket.h b/bits/socket.h
index 7828d01bb3..4f29d83d78 100644
--- a/bits/socket.h
+++ b/bits/socket.h
@@ -31,7 +31,10 @@
 #include <stddef.h>
 
 /* Type for length arguments in socket calls.  */
-typedef unsigned int socklen_t;
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
 
 
 /* Types of sockets.  */
diff --git a/bits/types.h b/bits/types.h
index fd9818e15d..a7b736dffc 100644
--- a/bits/types.h
+++ b/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -139,4 +139,7 @@ typedef unsigned int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef long int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 #endif /* bits/types.h */
diff --git a/include/unistd.h b/include/unistd.h
index 68dd2254ec..f9f55cf456 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -70,7 +70,7 @@ extern int __link (__const char *__from, __const char *__to);
 extern int __symlink (__const char *__from, __const char *__to);
 extern int __readlink (__const char *__path, char *__buf, size_t __len);
 extern int __unlink (__const char *__name);
-extern int __gethostname (char *__name, size_t __len);
+extern int __gethostname (char *__name, socklen_t __len);
 extern int __profil (unsigned short int *__sample_buffer, size_t __size,
 		     size_t __offset, unsigned int __scale);
 extern int __getdtablesize (void);
diff --git a/posix/unistd.h b/posix/unistd.h
index e482d1b256..1bae274981 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -242,6 +242,13 @@ typedef __intptr_t intptr_t;
 # endif
 #endif
 
+#if defined __USE_BSD || defined __USE_XOPEN
+# ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+#  define __socklen_t_defined
+# endif
+#endif
+
 /* Values for the second argument to access.
    These may be OR'd together.  */
 #define	R_OK	4		/* Test for read permission.  */
@@ -735,7 +742,7 @@ extern int setlogin (__const char *__name) __THROW;
 /* Put the name of the current host in no more than LEN bytes of NAME.
    The result is null-terminated if LEN is large enough for the full
    name and the terminator.  */
-extern int gethostname (char *__name, size_t __len) __THROW;
+extern int gethostname (char *__name, socklen_t __len) __THROW;
 
 /* Set the name of the current host to NAME, which is LEN bytes long.
    This call is restricted to the super-user.  */
diff --git a/sysdeps/generic/bits/socket.h b/sysdeps/generic/bits/socket.h
index 7828d01bb3..4f29d83d78 100644
--- a/sysdeps/generic/bits/socket.h
+++ b/sysdeps/generic/bits/socket.h
@@ -31,7 +31,10 @@
 #include <stddef.h>
 
 /* Type for length arguments in socket calls.  */
-typedef unsigned int socklen_t;
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
 
 
 /* Types of sockets.  */
diff --git a/sysdeps/generic/bits/types.h b/sysdeps/generic/bits/types.h
index fd9818e15d..a7b736dffc 100644
--- a/sysdeps/generic/bits/types.h
+++ b/sysdeps/generic/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -139,4 +139,7 @@ typedef unsigned int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef long int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 #endif /* bits/types.h */
diff --git a/sysdeps/generic/gethostname.c b/sysdeps/generic/gethostname.c
index ad09b00827..6c3e1167ab 100644
--- a/sysdeps/generic/gethostname.c
+++ b/sysdeps/generic/gethostname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -25,7 +25,7 @@
 int
 __gethostname (name, len)
      char *name;
-     size_t len;
+     socklen_t len;
 {
   __set_errno (ENOSYS);
   return -1;
diff --git a/sysdeps/mach/hurd/gethostname.c b/sysdeps/mach/hurd/gethostname.c
index 2f63befa0c..b74945ba79 100644
--- a/sysdeps/mach/hurd/gethostname.c
+++ b/sysdeps/mach/hurd/gethostname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1997, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -25,7 +25,7 @@
 int
 __gethostname (name, len)
      char *name;
-     size_t len;
+     socklen_t len;
 {
   /* The host name is just the contents of the file /etc/hostname.  */
   ssize_t n = _hurd_get_host_config ("/etc/hostname", name, len);
diff --git a/sysdeps/unix/sysv/aix/bits/socket.h b/sysdeps/unix/sysv/aix/bits/socket.h
index e89735453a..eb5b766e24 100644
--- a/sysdeps/unix/sysv/aix/bits/socket.h
+++ b/sysdeps/unix/sysv/aix/bits/socket.h
@@ -32,7 +32,10 @@
 #include <sys/types.h>
 
 /* Type for length arguments in socket calls.  */
-typedef unsigned int socklen_t;
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
 
 /* Types of sockets.  */
 enum __socket_type
diff --git a/sysdeps/unix/sysv/aix/bits/types.h b/sysdeps/unix/sysv/aix/bits/types.h
index c41b34c1ef..830dcea7b0 100644
--- a/sysdeps/unix/sysv/aix/bits/types.h
+++ b/sysdeps/unix/sysv/aix/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -145,4 +145,7 @@ typedef unsigned int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 #endif /* bits/types.h */
diff --git a/sysdeps/unix/sysv/gethostname.c b/sysdeps/unix/sysv/gethostname.c
index 95a9641971..706564957d 100644
--- a/sysdeps/unix/sysv/gethostname.c
+++ b/sysdeps/unix/sysv/gethostname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1995, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995, 1997, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -17,6 +17,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <errno.h>
+#include <string.h>
 #include <unistd.h>
 #include <sys/utsname.h>
 
@@ -26,12 +27,22 @@
 int
 __gethostname (name, len)
      char *name;
-     size_t len;
+     socklen_t len;
 {
   struct utsname buf;
+  size_t node_len;
+
   if (uname (&buf))
     return -1;
-  strncpy (name, buf.nodename, len);
+
+  node_len = strlen (buf.nodename) + 1;
+  if (node_len > len)
+    {
+      __set_errno (ENAMETOOLONG);
+      return -1;
+    }
+
+  memcpy (name, buf.nodename, node_len);
   return 0;
 }
 
diff --git a/sysdeps/unix/sysv/hpux/bits/types.h b/sysdeps/unix/sysv/hpux/bits/types.h
index 86595e87a8..e95892eda3 100644
--- a/sysdeps/unix/sysv/hpux/bits/types.h
+++ b/sysdeps/unix/sysv/hpux/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1994-1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -103,7 +103,7 @@ typedef struct
        from the global namespace.  */
 #ifdef __USE_XOPEN
     __fd_mask fds_bits[__FD_SETSIZE / __NFDBITS];
-# define __FDS_BITS(set) ((set)->fds_bits) 
+# define __FDS_BITS(set) ((set)->fds_bits)
 #else
     __fd_mask __fds_bits[__FD_SETSIZE / __NFDBITS];
 # define __FDS_BITS(set) ((set)->__fds_bits)
@@ -144,4 +144,7 @@ typedef unsigned int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 #endif /* bits/types.h */
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/types.h b/sysdeps/unix/sysv/linux/alpha/bits/types.h
index 8a79621cc6..722db9e230 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/types.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -123,6 +123,9 @@ typedef unsigned long int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef long int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 
 /* Now add the thread types.  */
 #ifdef __USE_UNIX98
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index c861387998..9dd8a80918 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -1,5 +1,5 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1992, 1994-1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -32,7 +32,10 @@
 #include <sys/types.h>
 
 /* Type for length arguments in socket calls.  */
-typedef unsigned int socklen_t;
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
 
 /* Types of sockets.  */
 enum __socket_type
diff --git a/sysdeps/unix/sysv/linux/bits/types.h b/sysdeps/unix/sysv/linux/bits/types.h
index 45286ea81f..f9bf8394da 100644
--- a/sysdeps/unix/sysv/linux/bits/types.h
+++ b/sysdeps/unix/sysv/linux/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -149,6 +149,9 @@ typedef unsigned long int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 
 /* Now add the thread types.  */
 #ifdef __USE_UNIX98
diff --git a/sysdeps/unix/sysv/linux/gethostname.c b/sysdeps/unix/sysv/linux/gethostname.c
deleted file mode 100644
index 94a460185e..0000000000
--- a/sysdeps/unix/sysv/linux/gethostname.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/utsname.h>
-
-/* Put the name of the current host in no more than LEN bytes of NAME.
-   The result is null-terminated if LEN is large enough for the full
-   name and the terminator.  */
-int
-__gethostname (name, len)
-     char *name;
-     size_t len;
-{
-  struct utsname buf;
-  size_t node_len;
-
-  if (name == NULL)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  if (uname (&buf))
-    return -1;
-
-  node_len = strlen (buf.nodename) + 1;
-  if (node_len > len)
-    {
-      __set_errno (ENAMETOOLONG);
-      return -1;
-    }
-
-  memcpy (name, buf.nodename, node_len);
-  return 0;
-}
-
-weak_alias (__gethostname, gethostname)
diff --git a/sysdeps/unix/sysv/linux/mips/bits/socket.h b/sysdeps/unix/sysv/linux/mips/bits/socket.h
index 747b11905d..1462331ff7 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/socket.h
@@ -32,7 +32,10 @@
 #include <sys/types.h>
 
 /* Type for length arguments in socket calls.  */
-typedef unsigned int socklen_t;
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
 
 /* Types of sockets.  */
 enum __socket_type
diff --git a/sysdeps/unix/sysv/linux/mips/bits/types.h b/sysdeps/unix/sysv/linux/mips/bits/types.h
index 48a9bf07e1..6bb07e7b13 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/types.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -149,6 +149,9 @@ typedef unsigned long int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 
 /* Now add the thread types.  */
 #ifdef __USE_UNIX98
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/types.h b/sysdeps/unix/sysv/linux/sparc/bits/types.h
index de085600dd..8d76cd7e83 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/types.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -173,6 +173,9 @@ typedef long int __intptr_t;
 typedef int      __intptr_t;
 #endif
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 
 /* Now add the thread types.  */
 #ifdef __USE_UNIX98
diff --git a/sysdeps/unix/sysv/sysv4/gethostname.c b/sysdeps/unix/sysv/sysv4/gethostname.c
index 558d16e6f8..3f967e15d4 100644
--- a/sysdeps/unix/sysv/sysv4/gethostname.c
+++ b/sysdeps/unix/sysv/sysv4/gethostname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994, 1995, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1995, 1997, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Brendan Kehoe (brendan@zen.org).
 
@@ -22,12 +22,12 @@
 #include <sys/types.h>
 #include <sys/systeminfo.h>
 
-extern int __sysinfo __P ((int command, char *buf, long count));
+extern int __sysinfo (int command, char *buf, long int count);
 
 int
 __gethostname (name, namelen)
      char *name;
-     size_t namelen;
+     socklen_t namelen;
 {
   return __sysinfo (SI_HOSTNAME, name, namelen);
 }
diff --git a/sysdeps/unix/sysv/sysv4/solaris2/bits/types.h b/sysdeps/unix/sysv/sysv4/solaris2/bits/types.h
index 1e7b50e780..65ad002f79 100644
--- a/sysdeps/unix/sysv/sysv4/solaris2/bits/types.h
+++ b/sysdeps/unix/sysv/sysv4/solaris2/bits/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -134,4 +134,7 @@ typedef unsigned int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef long int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 #endif /* bits/types.h */