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authorRoland McGrath <roland@gnu.org>1996-07-09 23:17:59 +0000
committerRoland McGrath <roland@gnu.org>1996-07-09 23:17:59 +0000
commit07a4742f9ec2b0587c0d488bb65da2a6faa50fed (patch)
tree2b10e82cad4053bcbe27447bc3d444f6d2aef5e7
parentc150923988933b5db75a974d4cc08cd7f7aaf3dc (diff)
downloadglibc-07a4742f9ec2b0587c0d488bb65da2a6faa50fed.tar.gz
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glibc-07a4742f9ec2b0587c0d488bb65da2a6faa50fed.zip
* posix/glob.h (__glob_opendir_hook, __glob_readdir_hook, cvs/libc-960710
	__glob_closedir_hook): Remove decls.

	* sysdeps/generic/machine-gmon.h: Declare mcount_internal.

	* sysdeps/unix/inet/syscalls.list: Define __ names with weak aliases
 	for send and connect syscalls.

	* socket/sys/socket.h: New file, taken from non-sysdep parts of
	linux/sys/socket.h; break sysdeps parts out into socketbits.h.
	Declare __ names for send and connect.
	* sysdeps/generic/socketbits.h: New file.
	* sysdeps/unix/sysv/linux/socketbits.h: New file.
	* sysdeps/unix/sysv/linux/sys/socket.h: File removed.
	* sysdeps/generic/sys/socket.h: File removed.

	* sysdeps/mach/hurd/connect.c: Define __ name and weak alias.
	* sysdeps/mach/hurd/send.c: Likewise.
-rw-r--r--ChangeLog19
-rw-r--r--locale/programs/stringtrans.c2
-rw-r--r--posix/glob.h7
-rw-r--r--socket/sys/socket.h (renamed from sysdeps/unix/sysv/linux/sys/socket.h)18
-rw-r--r--stdio-common/printf-parse.h2
-rw-r--r--stdio-common/printf-prs.c7
-rw-r--r--stdio-common/vfprintf.c7
-rw-r--r--sysdeps/generic/machine-gmon.h2
-rw-r--r--sysdeps/generic/socketbits.h (renamed from sysdeps/generic/sys/socket.h)147
-rw-r--r--sysdeps/mach/hurd/connect.c5
-rw-r--r--sysdeps/mach/hurd/send.c5
-rw-r--r--sysdeps/unix/inet/syscalls.list4
-rw-r--r--sysdeps/unix/sysv/linux/configure10
-rw-r--r--sysdeps/unix/sysv/linux/socketbits.h2
-rw-r--r--wcsmbs/btowc.c10
-rw-r--r--wcsmbs/mbrlen.c3
-rw-r--r--wcsmbs/mbrtowc.c111
-rw-r--r--wcsmbs/mbsinit.c18
-rw-r--r--wcsmbs/mbsrtowcs.c114
-rw-r--r--wcsmbs/wchar.h20
-rw-r--r--wcsmbs/wcrtomb.c62
-rw-r--r--wcsmbs/wcsrtombs.c95
-rw-r--r--wcsmbs/wctob.c9
23 files changed, 396 insertions, 283 deletions
diff --git a/ChangeLog b/ChangeLog
index a619747dbf..bd2e083ed4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,24 @@
 Tue Jul  9 09:37:55 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>
 
+	* posix/glob.h (__glob_opendir_hook, __glob_readdir_hook,
+	__glob_closedir_hook): Remove decls.
+
+	* sysdeps/generic/machine-gmon.h: Declare mcount_internal.
+
+	* sysdeps/unix/inet/syscalls.list: Define __ names with weak aliases
+ 	for send and connect syscalls.
+
+	* socket/sys/socket.h: New file, taken from non-sysdep parts of
+	linux/sys/socket.h; break sysdeps parts out into socketbits.h.
+	Declare __ names for send and connect.
+	* sysdeps/generic/socketbits.h: New file.
+	* sysdeps/unix/sysv/linux/socketbits.h: New file.
+	* sysdeps/unix/sysv/linux/sys/socket.h: File removed.
+	* sysdeps/generic/sys/socket.h: File removed.
+
+	* sysdeps/mach/hurd/connect.c: Define __ name and weak alias.
+	* sysdeps/mach/hurd/send.c: Likewise.
+
 	* sysdeps/mach/libc-lock.h: New file.
 	* sysdeps/unix/readdir.c: Do locking.
 	* sysdeps/unix/seekdir.c: Likewise.
diff --git a/locale/programs/stringtrans.c b/locale/programs/stringtrans.c
index bff5aa41a2..10b04fa62e 100644
--- a/locale/programs/stringtrans.c
+++ b/locale/programs/stringtrans.c
@@ -1,6 +1,6 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
-COntributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
 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
diff --git a/posix/glob.h b/posix/glob.h
index 73fd018066..8607e9f04c 100644
--- a/posix/glob.h
+++ b/posix/glob.h
@@ -100,13 +100,6 @@ extern int glob __P ((const char *__pattern, int __flags,
 extern void globfree __P ((glob_t *__pglob));
 
 
-#if !defined (_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 2 || defined (_GNU_SOURCE)
-/* If they are not NULL, `glob' uses these functions to read directories.  */
-extern __ptr_t (*__glob_opendir_hook) __P ((const char *__directory));
-extern const char *(*__glob_readdir_hook) __P ((__ptr_t __stream));
-extern void (*__glob_closedir_hook) __P ((__ptr_t __stream));
-#endif
-
 #ifdef	__cplusplus
 }
 #endif
diff --git a/sysdeps/unix/sysv/linux/sys/socket.h b/socket/sys/socket.h
index a680d5fb29..172c897af7 100644
--- a/sysdeps/unix/sysv/linux/sys/socket.h
+++ b/socket/sys/socket.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
+/* Declarations of socket constants, types, and functions.
+Copyright (C) 1991, 92, 94, 95, 96 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
@@ -27,8 +28,11 @@ __BEGIN_DECLS
 #include <stddef.h>
 
 
-/* Get Linux specific constants and data types.  */
-#include <linux/socket.h>
+/* This operating system-specific header file defines the SOCK_*, PF_*,
+   AF_*, MSG_*, SOL_*, and SO_* constants, and the `struct sockaddr',
+   `struct msghdr', and `struct linger' types.  */
+#include <socketbits.h>
+
 
 /* This is the type we use for generic socket address arguments.
 
@@ -90,6 +94,8 @@ extern int getsockname __P ((int __fd, __SOCKADDR_ARG __addr,
    For connectionless socket types, just set the default address to send to
    and the only address from which to accept transmissions.
    Return 0 on success, -1 for errors.  */
+extern int __connect __P ((int __fd,
+			   __CONST_SOCKADDR_ARG __addr, size_t __len));
 extern int connect __P ((int __fd,
 			 __CONST_SOCKADDR_ARG __addr, size_t __len));
 
@@ -100,6 +106,7 @@ extern int getpeername __P ((int __fd, __SOCKADDR_ARG __addr,
 
 
 /* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
+extern int __send __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
 extern int send __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
 
 /* Read N bytes into BUF from socket FD.
@@ -164,6 +171,11 @@ extern int accept __P ((int __fd, __SOCKADDR_ARG __addr,
 extern int shutdown __P ((int __fd, int __how));
 
 
+/* FDTYPE is S_IFSOCK or another S_IF* macro defined in <sys/stat.h>;
+   returns 1 if FD is open on an object of the indicated type, 0 if not,
+   or -1 for errors (setting errno).  */
+extern int isfdtype __P ((int __fd, int __fdtype));
+
 __END_DECLS
 
 #endif /* sys/socket.h */
diff --git a/stdio-common/printf-parse.h b/stdio-common/printf-parse.h
index a7960e6003..9a5cfbac7e 100644
--- a/stdio-common/printf-parse.h
+++ b/stdio-common/printf-parse.h
@@ -97,6 +97,8 @@ find_spec (const char *format, mbstate_t *ps)
     {
       int len;
 
+      /* Remove any hints of a wrong encoding.  */
+      ps->count = 0;
       if (isascii (*format) || (len = mbrlen (format, MB_CUR_MAX, ps)) <= 0)
 	++format;
       else
diff --git a/stdio-common/printf-prs.c b/stdio-common/printf-prs.c
index d0756de7d4..a15be55c48 100644
--- a/stdio-common/printf-prs.c
+++ b/stdio-common/printf-prs.c
@@ -81,7 +81,6 @@ parse_printf_format (fmt, n, argtypes)
 
   nargs = 0;
   max_ref_arg = 0;
-  mbstate = 0;
 
   /* Search for format specifications.  */
   for (fmt = find_spec (fmt, &mbstate); *fmt != '\0'; fmt = spec.next_fmt)
@@ -90,14 +89,14 @@ parse_printf_format (fmt, n, argtypes)
       nargs += parse_one_spec (fmt, nargs, &spec, &max_ref_arg, &mbstate);
 
       /* If the width is determined by an argument this is an int.  */
-      if (spec.width_arg != -1 && spec.width_arg < n)
+      if (spec.width_arg != -1 && (size_t) spec.width_arg < n)
 	argtypes[spec.width_arg] = PA_INT;
 
       /* If the precision is determined by an argument this is an int.  */
-      if (spec.prec_arg != -1 && spec.prec_arg < n)
+      if (spec.prec_arg != -1 && (size_t) spec.prec_arg < n)
 	argtypes[spec.prec_arg] = PA_INT;
 
-      if (spec.data_arg < n)
+      if ((size_t) spec.data_arg < n)
 	switch (spec.ndata_args)
 	  {
 	  case 0:		/* No arguments.  */
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index 8031b99ae9..3fa53a62a8 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -735,16 +735,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	else								      \
 	  {								      \
 	    const wchar_t *s2 = (const wchar_t *) string;		      \
-	    mbstate_t mbstate = 0;					      \
+	    mbstate_t mbstate;						      \
 									      \
-	    len = wcsrtombs (NULL, &s2, prec != -1 ? prec : UINT_MAX,	      \
-			     &mbstate);					      \
+	    len = wcsrtombs (NULL, &s2, 0, &mbstate);			      \
 	    if (len == (size_t) -1)					      \
 	      /* Illegal wide-character string.  */			      \
 	      return -1;						      \
 									      \
 	    s2 = (const wchar_t *) string;				      \
-	    mbstate = 0;						      \
 	    string = alloca (len + 1);					      \
 	    (void) wcsrtombs (string, &s2, prec != -1 ? prec : UINT_MAX,      \
 			      &mbstate);				      \
@@ -841,7 +839,6 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
   /* Initialize local variables.  */
   done = 0;
   grouping = (const char *) -1;
-  mbstate = 0;
   ap_save = ap;
   nspecs_done = 0;
 
diff --git a/sysdeps/generic/machine-gmon.h b/sysdeps/generic/machine-gmon.h
index 80ee97fcc3..115962a601 100644
--- a/sysdeps/generic/machine-gmon.h
+++ b/sysdeps/generic/machine-gmon.h
@@ -38,6 +38,8 @@ void _mcount (void);
 weak_alias (_mcount, mcount)
 #endif
 
+static void mcount_internal (u_long frompc, u_long selfpc);
+
 #define _MCOUNT_DECL(frompc, selfpc) \
 static inline void mcount_internal (frompc, selfpc)
 
diff --git a/sysdeps/generic/sys/socket.h b/sysdeps/generic/socketbits.h
index 6ee3ebe52e..770f011ffb 100644
--- a/sysdeps/generic/sys/socket.h
+++ b/sysdeps/generic/socketbits.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
+/* System-specific socket constants and types.  Generic/4.3 BSD version.
+Copyright (C) 1991, 92, 94, 95, 96 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
@@ -16,9 +17,9 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#ifndef	_SYS_SOCKET_H
+#ifndef	_SOCKETBITS_H
 
-#define	_SYS_SOCKET_H	1
+#define	_SOCKETBITS_H	1
 #include <features.h>
 
 __BEGIN_DECLS
@@ -115,75 +116,6 @@ struct sockaddr
     char sa_data[14];		/* Address data.  */
   };
 
-/* This is the type we use for generic socket address arguments.
-
-   With GCC 2.7 and later, the funky union causes redeclarations or uses with
-   any of the listed types to be allowed without complaint.  */
-#if	(!defined (__GNUC__) || __GNUC__ < 2 || \
-	 (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
-#define	__SOCKADDR_ARG		struct sockaddr *
-#define	__CONST_SOCKADDR_ARG	__const struct sockaddr *
-#else
-/* Add more `struct sockaddr_AF' types here as necessary.
-   These are all the ones I found on NetBSD and Linux.  */
-#define __SOCKADDR_ALLTYPES \
-  __SOCKADDR_ONETYPE (sockaddr) \
-  __SOCKADDR_ONETYPE (sockaddr_at) \
-  __SOCKADDR_ONETYPE (sockaddr_ax25) \
-  __SOCKADDR_ONETYPE (sockaddr_dl) \
-  __SOCKADDR_ONETYPE (sockaddr_eon) \
-  __SOCKADDR_ONETYPE (sockaddr_in) \
-  __SOCKADDR_ONETYPE (sockaddr_in6) \
-  __SOCKADDR_ONETYPE (sockaddr_inarp) \
-  __SOCKADDR_ONETYPE (sockaddr_ipx) \
-  __SOCKADDR_ONETYPE (sockaddr_iso) \
-  __SOCKADDR_ONETYPE (sockaddr_ns) \
-  __SOCKADDR_ONETYPE (sockaddr_un) \
-  __SOCKADDR_ONETYPE (sockaddr_x25)
-
-#define __SOCKADDR_ONETYPE(type) struct type *__##type##__;
-typedef union { __SOCKADDR_ALLTYPES
-	      } __SOCKADDR_ARG __attribute__ ((__transparent_union__));
-#undef __SOCKADDR_ONETYPE
-#define __SOCKADDR_ONETYPE(type) __const struct type *__##type##__;
-typedef union { __SOCKADDR_ALLTYPES
-	      } __CONST_SOCKADDR_ARG __attribute__ ((__transparent_union__));
-#undef __SOCKADDR_ONETYPE
-#endif
-
-
-/* Create a new socket of type TYPE in domain DOMAIN, using
-   protocol PROTOCOL.  If PROTOCOL is zero, one is chosen automatically.
-   Returns a file descriptor for the new socket, or -1 for errors.  */
-extern int socket __P ((int __domain, enum __socket_type __type,
-			int __protocol));
-
-/* Create two new sockets, of type TYPE in domain DOMAIN and using
-   protocol PROTOCOL, which are connected to each other, and put file
-   descriptors for them in FDS[0] and FDS[1].  If PROTOCOL is zero,
-   one will be chosen automatically.  Returns 0 on success, -1 for errors.  */
-extern int socketpair __P ((int __domain, enum __socket_type __type,
-			    int __protocol, int __fds[2]));
-
-/* Give the socket FD the local address ADDR (which is LEN bytes long).  */
-extern int bind __P ((int __fd, __CONST_SOCKADDR_ARG __addr, size_t __len));
-
-/* Put the local address of FD into *ADDR and its length in *LEN.  */
-extern int getsockname __P ((int __fd, __SOCKADDR_ARG __addr,
-			     size_t *__len));
-
-/* Open a connection on socket FD to peer at ADDR (which LEN bytes long).
-   For connectionless socket types, just set the default address to send to
-   and the only address from which to accept transmissions.
-   Return 0 on success, -1 for errors.  */
-extern int connect __P ((int __fd,
-			 __CONST_SOCKADDR_ARG __addr, size_t __len));
-
-/* Put the address of the peer connected to socket FD into *ADDR
-   (which is *LEN bytes long), and its actual length into *LEN.  */
-extern int getpeername __P ((int __fd, __SOCKADDR_ARG __addr,
-			     size_t *__len));
-
 
 /* Bits in the FLAGS argument to `send', `recv', et al.  */
 enum
@@ -198,26 +130,6 @@ enum
     MSG_DONTWAIT	= 0x80,	/* This message should be nonblocking.  */
   };
 
-/* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
-extern int send __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
-
-/* Read N bytes into BUF from socket FD.
-   Returns the number read or -1 for errors.  */
-extern int recv __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
-
-/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
-   ADDR_LEN bytes long).  Returns the number sent, or -1 for errors.  */
-extern int sendto __P ((int __fd, __ptr_t __buf, size_t __n, int __flags,
-			__CONST_SOCKADDR_ARG __addr, size_t __addr_len));
-
-/* Read N bytes into BUF through socket FD.
-   If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address of
-   the sender, and store the actual size of the address in *ADDR_LEN.
-   Returns the number of bytes read or -1 for errors.  */
-extern int recvfrom __P ((int __fd, __ptr_t __buf, size_t __n, int __flags,
-			  __SOCKADDR_ARG __addr, size_t *__addr_len));
-
-
 
 /* Structure describing messages sent by
    `sendmsg' and received by `recvmsg'.  */
@@ -233,15 +145,6 @@ struct msghdr
     size_t msg_accrightslen;	/* Length of access rights information.  */
   };
 
-/* Send a message described MESSAGE on socket FD.
-   Returns the number of bytes sent, or -1 for errors.  */
-extern int sendmsg __P ((int __fd, __const struct msghdr *__message,
-			 int __flags));
-
-/* Receive a message as described by MESSAGE from socket FD.
-   Returns the number of bytes read or -1 for errors.  */
-extern int recvmsg __P ((int __fd, struct msghdr *__message, int __flags));
-
 
 /* Protocol number used to manipulate socket-level options
    with `getsockopt' and `setsockopt'.  */
@@ -285,46 +188,6 @@ struct linger
     int l_linger;		/* Time to linger.  */
   };
 
-
-/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
-   into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
-   actual length.  Returns 0 on success, -1 for errors.  */
-extern int getsockopt __P ((int __fd, int __level, int __optname,
-			    __ptr_t __optval, size_t *__optlen));
-
-/* Set socket FD's option OPTNAME at protocol level LEVEL
-   to *OPTVAL (which is OPTLEN bytes long).
-   Returns 0 on success, -1 for errors.  */
-extern int setsockopt __P ((int __fd, int __level, int __optname,
-			    __ptr_t __optval, size_t __optlen));
-
-
-/* Prepare to accept connections on socket FD.
-   N connection requests will be queued before further requests are refused.
-   Returns 0 on success, -1 for errors.  */
-extern int listen __P ((int __fd, unsigned int __n));
-
-/* Await a connection on socket FD.
-   When a connection arrives, open a new socket to communicate with it,
-   set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
-   peer and *ADDR_LEN to the address's actual length, and return the
-   new socket's descriptor, or -1 for errors.  */
-extern int accept __P ((int __fd, __SOCKADDR_ARG __addr,
-			size_t *__addr_len));
-
-/* Shut down all or part of the connection open on socket FD.
-   HOW determines what to shut down:
-     0 = No more receptions;
-     1 = No more transmissions;
-     2 = No more receptions or transmissions.
-   Returns 0 on success, -1 for errors.  */
-extern int shutdown __P ((int __fd, int __how));
-
-
-/* Determine whether FILDES if the property identified by the value if
-   FDTYPE.  */
-extern int isfdtype __P ((int __fildes, int __fdtype));
-
 __END_DECLS
 
-#endif /* sys/socket.h */
+#endif /* socketbits.h */
diff --git a/sysdeps/mach/hurd/connect.c b/sysdeps/mach/hurd/connect.c
index 0ecf7369ed..f55a2ae591 100644
--- a/sysdeps/mach/hurd/connect.c
+++ b/sysdeps/mach/hurd/connect.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1994, 1995, 1996 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
@@ -30,7 +30,7 @@ Cambridge, MA 02139, USA.  */
    and the only address from which to accept transmissions.
    Return 0 on success, -1 for errors.  */
 int
-DEFUN(connect, (fd, addr, len),
+DEFUN(__connect, (fd, addr, len),
       int fd AND const struct sockaddr_un *addr AND size_t len)
 {
   error_t err;
@@ -72,3 +72,4 @@ DEFUN(connect, (fd, addr, len),
 
   return err ? __hurd_dfail (fd, err) : 0;
 }
+weak_alias (__connect, connect)
diff --git a/sysdeps/mach/hurd/send.c b/sysdeps/mach/hurd/send.c
index 153ee93701..17fa66344f 100644
--- a/sysdeps/mach/hurd/send.c
+++ b/sysdeps/mach/hurd/send.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1996 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 @@ Cambridge, MA 02139, USA.  */
 
 /* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
 int
-DEFUN(send, (fd, buf, n, flags),
+DEFUN(__send, (fd, buf, n, flags),
       int fd AND PTR buf AND size_t n AND int flags)
 {
   error_t err;
@@ -38,3 +38,4 @@ DEFUN(send, (fd, buf, n, flags),
 
   return err ? __hurd_dfail (fd, err) : wrote;
 }
+weak_alias (__send, send)
diff --git a/sysdeps/unix/inet/syscalls.list b/sysdeps/unix/inet/syscalls.list
index 3b6ac59990..661a8433f5 100644
--- a/sysdeps/unix/inet/syscalls.list
+++ b/sysdeps/unix/inet/syscalls.list
@@ -2,7 +2,7 @@
 
 accept		-	accept		3	accept
 bind		-	bind		3	bind
-connect		-	connect		3	connect
+__connect	-	connect		3	connect		connect
 gethostid	-	gethostid	0	gethostid
 gethostname	-	gethostname	2	__gethostname	gethostname
 getpeername	-	getpeername	3	getpeername
@@ -12,7 +12,7 @@ listen		-	listen		2	listen
 recv		-	recv		4	recv
 recvfrom	-	recvfrom	6	recvfrom
 recvmsg		-	recvmsg		3	recvmsg
-send		-	send		4	send
+__send		-	send		4	send		send
 sendmsg		-	sendmsg		3	sendmsg
 sendto		-	sendto		6	sendto
 sethostid	-	sethostid	1	sethostid
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 7dbb0f9f33..fd72c092ad 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -8,7 +8,7 @@ test $stdio = default && stdio=libio
 inhibit_glue=yes
 
 echo $ac_n "checking installed Linux kernel header files""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'libc_cv_linux'+set}'`\" = set"; then
+if eval "test \"`echo '$''{'libc_cv_linux201'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -24,17 +24,17 @@ eat flaming death
 EOF
 if { (eval echo configure:26: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  libc_cv_linux='2.0.1 or later'
+  libc_cv_linux201='2.0.1 or later'
 else
   rm -rf conftest*
-  libc_cv_linux='TOO OLD!'
+  libc_cv_linux201='TOO OLD!'
 fi
 rm -f conftest*
 
 fi
 
-echo "$ac_t""$libc_cv_linux" 1>&6
-if test "$libc_cv_linux" != '2.0.1 or later'; then
+echo "$ac_t""$libc_cv_linux201" 1>&6
+if test "$libc_cv_linux201" != '2.0.1 or later'; then
   { echo "configure: error: GNU libc requires kernel header files from Linux 2.0.1
 or later to be installed before configuring.  The kernel header files
 are found usually in /usr/include/asm and /usr/include/linux; make sure
diff --git a/sysdeps/unix/sysv/linux/socketbits.h b/sysdeps/unix/sysv/linux/socketbits.h
new file mode 100644
index 0000000000..1c7cee0dad
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/socketbits.h
@@ -0,0 +1,2 @@
+/* Get Linux specific constants and data types kernel header.  */
+#include <linux/socket.h>
diff --git a/wcsmbs/btowc.c b/wcsmbs/btowc.c
index 062be7ec02..2f13cc7ce4 100644
--- a/wcsmbs/btowc.c
+++ b/wcsmbs/btowc.c
@@ -21,16 +21,14 @@ Boston, MA 02111-1307, USA.  */
 #include <wchar.h>
 
 
+/* We use UTF8 encoding for multibyte strings and therefore a valid
+   one byte multibyte string only can have a value from 0 to 0x7f.  */
 wint_t
 btowc (c)
      int c;
 {
-  /*************************************************************\
-  |* This is no complete implementation.  While the multi-byte *|
-  |* character handling is not finished this will do.	       *|
-  \*************************************************************/
-  if (WEOF != (wint_t) EOF)
+  if (WEOF != (wint_t) EOF || c < 0 || c > 0x7f)
     return WEOF;
   else
-    return c;
+    return (wint_t) c;
 }
diff --git a/wcsmbs/mbrlen.c b/wcsmbs/mbrlen.c
index a50631e8d1..c5a27116be 100644
--- a/wcsmbs/mbrlen.c
+++ b/wcsmbs/mbrlen.c
@@ -26,10 +26,11 @@ static mbstate_t internal;
 
 
 size_t
-mbrlen (s, n, ps)
+__mbrlen (s, n, ps)
      const char *s;
      size_t n;
      mbstate_t *ps;
 {
   return mbrtowc (NULL, s, n, ps ?: &internal);
 }
+weak_alias (__mbrlen, mbrlen)
diff --git a/wcsmbs/mbrtowc.c b/wcsmbs/mbrtowc.c
index 2c4b0779da..9e70a0b2c9 100644
--- a/wcsmbs/mbrtowc.c
+++ b/wcsmbs/mbrtowc.c
@@ -1,6 +1,6 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
-Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
 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
@@ -17,50 +17,115 @@ 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 <wchar.h>
 
+#ifndef EILSEQ
+#define EILSEQ EINVAL
+#endif
+
 
 static mbstate_t internal;
 
 size_t
-mbrtowc (pwc, s, n, ps)
-     wchar_t *pwc;
-     const char *s;
-     size_t n;
-     mbstate_t *ps;
+mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
 {
   wchar_t to_wide;
+  size_t used = 0;
 
   if (ps == NULL)
     ps = &internal;
 
-  /*************************************************************\
-  |* This is no complete implementation.  While the multi-byte *|
-  |* character handling is not finished this will do.	       *|
-  \*************************************************************/
-
   if (s == NULL)
     {
+      /* See first paragraph of description in 7.16.6.3.2.  */
       pwc = NULL;
       s = "";
       n = 1;
     }
 
-  if (n == 0)
-    return (size_t) -2;
+  if (n > 0)
+    {
+      if (ps->count == 0)
+	{
+	  unsigned char byte = (unsigned char) *s++;
+	  ++used;
 
-  /* For now.  */
-  to_wide = (wchar_t) *s;
+	  /* We must look for a possible first byte of a UTF8 sequence.  */
+	  if (byte < 0x80)
+	    {
+	      /* One byte sequence.  */
+	      if (pwc != NULL)
+		*pwc = (wchar_t) byte;
+	      return byte ? used : 0;
+	    }
 
-  if (pwc != NULL)
-    *pwc = to_wide;
+	  if ((byte & 0xc0) == 0x80 || (byte & 0xfe) == 0xfe)
+	    {
+	      /* Oh, oh.  An encoding error.  */
+	      errno = EILSEQ;
+	      return (size_t) -1;
+	    }
 
-  if (pwc == L'\0')
-    {
-      *ps = 0;		/* This is required.  */
-      return 0;
+	  if ((byte & 0xe0) == 0xc0)
+	    {
+	      /* We expect two bytes.  */
+	      ps->count = 1;
+	      ps->value = byte & 0x1f;
+	    }
+	  else if ((byte & 0xf0) == 0xe0)
+	    {
+	      /* We expect three bytes.  */
+	      ps->count = 2;
+	      ps->value = byte & 0x0f;
+	    }
+	  else if ((byte & 0xf8) == 0xf0)
+	    {
+	      /* We expect four bytes.  */
+	      ps->count = 3;
+	      ps->value = byte & 0x07;
+	    }
+	  else if ((byte & 0xfc) == 0xf8)
+	    {
+	      /* We expect five bytes.  */
+	      ps->count = 4;
+	      ps->value = byte & 0x03;
+	    }
+	  else
+	    {
+	      /* We expect six bytes.  */
+	      ps->count = 5;
+	      ps->value = byte & 0x01;
+	    }
+	}
+
+      /* We know we have to handle a multibyte character and there are
+	 some more bytes to read.  */
+      while (used < n)
+	{
+	  /* The second to sixths byte must be of the form 10xxxxxx.  */
+	  unsigned char byte = (unsigned char) *s++;
+	  ++used;
+
+	  if ((byte & 0xc0) != 0x80)
+	    {
+	      /* Oh, oh.  An encoding error.  */
+	      errno = EILSEQ;
+	      return (size_t) -1;
+	    }
+
+	  ps->value <<= 6;
+	  ps->value |= byte & 0x3f;
+
+	  if (--ps->count == 0)
+	    {
+	      /* The character is finished.  */
+	      if (pwc != NULL)
+		*pwc = (wchar_t) ps->value;
+	      return ps->value ? used : 0;
+	    }
+	}
     }
 
-  /* Return code (size_t)-1 cannot happend for now.  */
-  return 1;
+  return (size_t) -2;
 }
diff --git a/wcsmbs/mbsinit.c b/wcsmbs/mbsinit.c
index efbfd09347..f56ce20331 100644
--- a/wcsmbs/mbsinit.c
+++ b/wcsmbs/mbsinit.c
@@ -1,6 +1,6 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
-Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
 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
@@ -20,15 +20,17 @@ Boston, MA 02111-1307, USA.  */
 #include <string.h>
 #include <wchar.h>
 
-
+/* In GNU libc the conversion functions only can convert between the
+   fixed wide character representation and the multibyte
+   representation of the same character set.  Since we use ISO 10646
+   in UCS4 encoding for wide characters the best solution for
+   multibyte characters is the UTF8 encoding.  I.e., the only state
+   information is a counter of the processed bytes so far and the
+   value collected so far.  Especially, we don't have different shift
+   states.  */
 int
 mbsinit (ps)
      const mbstate_t *ps;
 {
-  /*************************************************************\
-  |* This is no complete implementation.  While the multi-byte *|
-  |* character handling is not finished this will do.	       *|
-  \*************************************************************/
-
-  return ps == NULL || *ps == 0;
+  return ps == NULL || ps->count == 0;
 }
diff --git a/wcsmbs/mbsrtowcs.c b/wcsmbs/mbsrtowcs.c
index dc026b7252..712b199271 100644
--- a/wcsmbs/mbsrtowcs.c
+++ b/wcsmbs/mbsrtowcs.c
@@ -1,6 +1,6 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
-Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
 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
@@ -17,9 +17,16 @@ 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 <wchar.h>
 
+#ifndef EILSEQ
+#define EILSEQ EINVAL
+#endif
 
+
+/* We don't need the state really because we don't have shift states
+   to maintain between calls to this function.  */
 static mbstate_t internal;
 
 size_t
@@ -29,35 +36,102 @@ mbsrtowcs (dst, src, len, ps)
      size_t len;
      mbstate_t *ps;
 {
-  size_t result = 0;
+  size_t written = 0;
+  const char *run = *src;
 
   if (ps == NULL)
     ps = &internal;
 
-  /*************************************************************\
-  |* This is no complete implementation.  While the multi-byte *|
-  |* character handling is not finished this will do.	       *|
-  \*************************************************************/
+  if (dst == NULL)
+    /* The LEN parameter has to be ignored if we don't actually write
+       anything.  */
+    len = ~0;
 
-  while (len > 0 && **src != '\0')
+  /* Copy all words.  */
+  while (written < len)
     {
-      /* For now there is no possibly illegal MB char sequence.  */
-      if (dst != NULL)
-	dst[result] = (wchar_t) **src;
-      ++result;
-      ++(*src);
-      --len;
-    }
+      wchar_t value;
+      size_t count;
+      unsigned char byte = *run++;
 
-  if (len > 0)
-    {
+      /* We expect a start of a new multibyte character.  */
+      if (byte < 0x80)
+	{
+	  /* One byte sequence.  */
+	  count = 0;
+	  value = byte;
+	}
+      else if ((byte & 0xe0) == 0xc0)
+	{
+	  count = 1;
+	  value = byte & 0x1f;
+	}
+      else if ((byte & 0xf0) == 0xe0)
+	{
+	  /* We expect three bytes.  */
+	  count = 2;
+	  value = byte & 0x0f;
+	}
+      else if ((byte & 0xf8) == 0xf0)
+	{
+	  /* We expect four bytes.  */
+	  count = 3;
+	  value = byte & 0x07;
+	}
+      else if ((byte & 0xfc) == 0xf8)
+	{
+	  /* We expect five bytes.  */
+	  count = 4;
+	  value = byte & 0x03;
+	}
+      else if ((byte & 0xfe) == 0xfc)
+	{
+	  /* We expect six bytes.  */
+	  count = 5;
+	  value = byte & 0x01;
+	}
+      else
+	{
+	  /* This is an illegal encoding.  */
+	  errno = EILSEQ;
+	  return (size_t) -1;
+	}
+
+      /* Read the possible remaining bytes.  */
+      while (count-- > 0)
+	{
+	  byte = *run++;
+
+	  if ((byte & 0xc0) != 0x80)
+	    {
+	      /* This is an illegal encoding.  */
+	      errno = EILSEQ;
+	      return (size_t) -1;
+	    }
+
+	  value <<= 6;
+	  value |= byte & 0x3f;
+	}
+
+      /* Store value is required.  */
       if (dst != NULL)
+	*dst++ = value;
+
+      /* The whole sequence is read.  Check whether end of string is
+	 reached.  */
+      if (value == L'\0')
 	{
-	  dst[result] = L'\0';
-	  *ps = 0;
+	  /* Found the end of the string.  */
+	  *src = NULL;
+	  return written;
 	}
-      *src = NULL;
+
+      /* Increment counter of produced words.  */
+      ++written;
     }
 
-  return result;
+  /* Store address of next byte to process.  */
+  *src = run;
+
+  return written;
 }
diff --git a/wcsmbs/wchar.h b/wcsmbs/wchar.h
index cc821b8a50..806bafa655 100644
--- a/wcsmbs/wchar.h
+++ b/wcsmbs/wchar.h
@@ -48,7 +48,11 @@ typedef unsigned int wint_t;
 
 
 /* Conversion state information.  */
-typedef int mbstate_t; /* FIXME */
+typedef struct
+{
+  int count;		/* Number of bytes needed for the current character. */
+  wint_t value;		/* Value so far.  */
+} mbstate_t;
 
 #define WCHAR_MIN ((wchar_t) 0)
 #define WCHAR_MAX (~WCHAR_MIN)
@@ -145,9 +149,6 @@ extern int wctob __P ((wint_t __c));
    state.  */
 extern int mbsinit __P ((__const mbstate_t *__ps));
 
-/* Return number of bytes in multibyte character pointed to by S.  */
-extern size_t mbrlen __P ((__const char *__s, size_t __n, mbstate_t *ps));
-
 /* Write wide character representation of multibyte character pointed
    to by S to PWC.  */
 extern size_t mbrtowc __P ((wchar_t *__pwc, __const char *__s, size_t __n,
@@ -156,6 +157,17 @@ extern size_t mbrtowc __P ((wchar_t *__pwc, __const char *__s, size_t __n,
 /* Write multibyte representation of wide character WC to S.  */
 extern size_t wcrtomb __P ((char *__s, wchar_t __wc, mbstate_t *__ps));
 
+/* Return number of bytes in multibyte character pointed to by S.  */
+extern size_t __mbrlen __P ((__const char *__s, size_t __n, mbstate_t *__ps));
+extern size_t mbrlen __P ((__const char *__s, size_t __n, mbstate_t *__ps));
+
+#if defined (__OPTIMIZE__) \
+    && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
+/* Define inline function as optimization.  */
+extern __inline size_t mbrlen (__const char *s, size_t n, mbstate_t *ps)
+{ return ps != NULL ? mbrtowc (NULL, s, n, ps) : __mbrlen (s, n, NULL); }
+#endif
+
 /* Write wide character representation of multibyte chracter string SRC
    to DST.  */
 extern size_t mbsrtowcs __P ((wchar_t *__dst, __const char **__src,
diff --git a/wcsmbs/wcrtomb.c b/wcsmbs/wcrtomb.c
index 9069fb105c..eb007a69b9 100644
--- a/wcsmbs/wcrtomb.c
+++ b/wcsmbs/wcrtomb.c
@@ -1,6 +1,6 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
-Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
 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
@@ -24,46 +24,68 @@ Boston, MA 02111-1307, USA.  */
 #define EILSEQ EINVAL
 #endif
 
+static const wchar_t encoding_mask[] =
+{
+  ~0x7ff, ~0xffff, ~0x1fffff, ~0x3ffffff
+};
+
+static const unsigned char encoding_byte[] =
+{
+  0xc0, 0xe0, 0xf0, 0xf8, 0xfc
+};
 
+/* The state is for this UTF8 encoding not used.  */
 static mbstate_t internal;
 
 size_t
-wcrtomb (s, wc, ps)
-     char *s;
-     wchar_t wc;
-     mbstate_t *ps;
+wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
 {
   char fake[1];
+  size_t written = 0;
 
   if (ps == NULL)
     ps = &internal;
 
-  /*************************************************************\
-  |* This is no complete implementation.  While the multi-byte *|
-  |* character handling is not finished this will do.	       *|
-  \*************************************************************/
-
   if (s == NULL)
     {
       s = fake;
       wc = L'\0';
     }
 
-  if (wc == L'\0')
+  /* Store the UTF8 representation of WC.  */
+  if (wc < 0 || wc > 0x7fffffff)
     {
-      /* FIXME Write any shift sequence to get to *PS == NULL.  */
-      *ps = 0;
-      *s = '\0';
+      /* This is no correct ISO 10646 character.  */
+      errno = EILSEQ;
+      return (size_t) -1;
+    }
+
+  if (wc < 0x80)
+    {
+      /* It's a one byte sequence.  */
+      if (s != NULL)
+	*s = (char) wc;
       return 1;
     }
 
-  /* FIXME For now we don't handle real multi-byte encodings.  */
-  if ((wc & ~0xff) != 0)
+  for (written = 2; written < 6; ++written)
+    if ((wc & encoding_mask[written - 2]) == 0)
+      break;
+
+  if (s != NULL)
     {
-      errno = EILSEQ;
-      return (size_t) -1;
+      size_t cnt = written;
+      s[0] = encoding_byte[cnt - 2];
+
+      --cnt;
+      do
+	{
+	  s[cnt] = 0x80 | (wc & 0x3f);
+	  wc >>= 6;
+	}
+      while (--cnt > 0);
+      s[0] |= wc;
     }
 
-  *s = (char) wc;
-  return 1;
+  return written;
 }
diff --git a/wcsmbs/wcsrtombs.c b/wcsmbs/wcsrtombs.c
index 9f1000937b..99ca6acc5b 100644
--- a/wcsmbs/wcsrtombs.c
+++ b/wcsmbs/wcsrtombs.c
@@ -1,6 +1,6 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
-Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
 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
@@ -25,6 +25,18 @@ Boston, MA 02111-1307, USA.  */
 #endif
 
 
+static const wchar_t encoding_mask[] =
+{
+  ~0x7ff, ~0xffff, ~0x1fffff, ~0x3ffffff
+};
+
+static const unsigned char encoding_byte[] =
+{
+  0xc0, 0xe0, 0xf0, 0xf8, 0xfc
+};
+
+/* We don't need the state really because we don't have shift states
+   to maintain between calls to this function.  */
 static mbstate_t internal;
 
 size_t
@@ -34,40 +46,79 @@ wcsrtombs (dst, src, len, ps)
      size_t len;
      mbstate_t *ps;
 {
-  size_t result = 0;
+  size_t written = 0;
+  const wchar_t *run = *src;
 
   if (ps == NULL)
     ps = &internal;
 
-  /*************************************************************\
-  |* This is no complete implementation.  While the multi-byte *|
-  |* character handling is not finished this will do.	       *|
-  \*************************************************************/
+  if (dst == NULL)
+    /* The LEN parameter has to be ignored if we don't actually write
+       anything.  */
+    len = ~0;
 
-  while (len > 0 && **src != L'\0')
+  while (written < len)
     {
-      if ((**src & ~0xff) != 0)
+      wchar_t wc = *run++;
+
+      if (wc < 0 || wc > 0x7fffffff)
 	{
+	  /* This is no correct ISO 10646 character.  */
 	  errno = EILSEQ;
 	  return (size_t) -1;
 	}
 
-      if (dst != NULL)
-	dst[result] = (char) **src;
-      ++result;
-      ++(*src);
-      --len;
-    }
-
-  if (len > 0)
-    {
-      if (dst != NULL)
+      if (wc == L'\0')
+	{
+	  /* Found the end.  */
+	  if (dst != NULL)
+	    *dst = '\0';
+	  *src = NULL;
+	  return written;
+	}
+      else if (wc < 0x80)
 	{
-	  dst[result] = '\0';
-	  *ps = 0;
+	  /* It's an one byte sequence.  */
+	  if (dst != NULL)
+	    *dst++ = (char) wc;
+	  ++written;
+	}
+      else
+	{
+	  size_t step;
+
+	  for (step = 2; step < 6; ++step)
+	    if ((wc & encoding_mask[step - 2]) == 0)
+	      break;
+
+	  if (written + step >= len)
+	    /* Too long.  */
+	    break;
+
+	  if (dst != NULL)
+	    {
+	      size_t cnt = step;
+
+	      dst[0] = encoding_byte[cnt - 2];
+
+	      --cnt;
+	      do
+		{
+		  dst[cnt] = 0x80 | (wc & 0x3f);
+		  wc >>= 6;
+		}
+	      while (--cnt > 0);
+	      dst[0] |= wc;
+
+	      dst += step;
+	    }
+
+	  written += step;
 	}
-      *src = NULL;
     }
 
-  return result;
+  /* Store position of first unprocessed word.  */
+  *src = run;
+
+  return written;
 }
diff --git a/wcsmbs/wctob.c b/wcsmbs/wctob.c
index c27bd6baba..f541a2e97b 100644
--- a/wcsmbs/wctob.c
+++ b/wcsmbs/wctob.c
@@ -21,14 +21,11 @@ Boston, MA 02111-1307, USA.  */
 #include <wchar.h>
 
 
+/* We use UTF8 encoding for multibyte strings and therefore a valid
+   one byte multibyte string only can have a value from 0 to 0x7f.  */
 int
 wctob (c)
      wint_t c;
 {
-  /*************************************************************\
-  |* This is no complete implementation.  While the multi-byte *|
-  |* character handling is not finished this will do.	       *|
-  \*************************************************************/
-
-  return (c & ~0xff) == 0 ? c : EOF;
+  return (c >= 0 && c <= 0x7f) ? c : EOF;
 }