Update.cvs/libc-ud-970729

1997-07-28 23:35  Ulrich Drepper  <drepper@cygnus.com>

	* csu/gmon-start.c (__gmon_start__): Call __monstartup not
	monstartup.
	* gmon/gmon.c: Rename moncontrol to __moncontrol and monstartup
	to __monstartup.
	* gmon/sys/gmon.h: Fix prototypes.
	* gmon/sys/gmon_out.h: Pretty print.

	* gmon/bb_exit_func.c (__bb_exit_func): Use memcpy instead of bcopy.
	* gmon/gmon.c (__monstartup): Likewise.
	(write_hist): Remove dependency on 32 int.
	(_mcleanup): Don't call perror, use fprintf.

	* elf/dl-load.c: Fix handling of current directory in search path.

	* elf/Makefile (dl-routines): Add dl-profile.
	* elf/dl-profile.c: New file.
	* elf/dl-runtime.c (fixup): Add new parameter with address to store
	relocation result in to elf_machine_relplt.
	(profile_fixup): New function.
	* elf/do-rel.h (elf_dynamic_do_rel): Add new parameter with address
	to store relocation result in to elf_machine_relplt.
	* elf/dl-support.c: Define _dl_profile and _dl_profile_map.
	* elf/dynamic-link.h (ELF_DYNAMIC_RELOCATE): Add new parameter and
	call elf_machine_runtime_setup with extra argument.
	* elf/dl-reloc.c (_dl_relocate_object): Add new argument to
	ELF_DYNAMIC_RELOCATE.
	* elf/link.h: Add prototypes for new functions and variables.
	* elf/rtld.c: Parse LD_PROFILE and LD_PROFILE_OUTPUT environment
	variables and call _dl_start_profile if necessary.
	* include/sys/gmon_out.h: New file.
	* sysdeps/alpha/dl-machine.h (elf_machine_runtime_setup): Add
	new parameter to enable profiling.
	(elf_machine_rela): Add new parameter to specify place to store
	result in.
	* sysdeps/m68k/dl-machine.h: Likewise.
	* sysdeps/mips/dl-machine.h: Likewise.
	* sysdeps/mips/mips64/dl-machine.h: Likewise.
	* sysdeps/powerpc/dl-machine.h: Likewise.
	* sysdeps/sparc/dl-machine.h: Likewise.
	* sysdeps/sparc64/dl-machine.h: Likewise.
	* sysdeps/i386/dl-machine.h: Likewise.
	(elf_machine_runtime_setup): Setup got[2] to _dl_runtime_resolve if
	we do profiling.
	(ELF_MACHINE_RUNTIME_TRAMPOLINE): Add code for _dl_runtime_profile.

	* nis/nss_compat/compat-grp.c (internal_setgrent): Set FD_CLOEXEC
	for stream on input file.
	* nis/nss_compat/compat-pwd.c (internal_setpwent): Likewise.
	* nis/nss_compat/compat-spwd.c (internal_setspent): Likewise.
	* nss/nss_db/db-XXX.c (internal_setent): Likewise.
	* nss/nss_db/db-alias.c (internal_setent): Likewise.
	* nss/nss_db/db-netgrp.c (internal_setent): Likewise.
	* nss/nss_files/files-XXX.c (internal_setent): Likewise.
	* nss/nss_files/files-alias.c (internal_setent): Likewise.
	* nss/nss_files/files-netgrp.c (internal_setent): Likewise.

	* string/string.h: Pretty print.

	* sysdeps/i386/fpu/bits/mathinline.h: Major update by John Bowman.
	Add float and long double versions.

1997-07-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/rtld.c (print_unresolved): Replace empty object name by main
	program name.

1997-07-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/htons.c (htons): Renamed from __htons.

1997-07-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/bits/byteswap.h: New file.

1997-07-27 23:50  Philip Blundell  <Philip.Blundell@pobox.com>

	* inet/netinet/icmp6.h: Update for new drafts of POSIX.1g and IPv6
	advanced API.
	* inet/netinet/in.h: Likewise.
	* inet/netinet/ip6.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
	* posix/sys/types.h: Add socklen_t.

	* manual/socket.texi: Document some more IPv6 things.
	* manual/libc.texinfo: Likewise.

1997-07-26  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* libc.map: Define missing symbol.

1997-07-27 14:31  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/Makefile: Add nis_findserv.
	* nis/lckcache.c: Fix typo.
	* nis/nis_call.c: Fix problems with multihomed servers.
	* nis/nis_findserv.c: New file.
	* nis/nis_intern.h: Add more prototypes.
	* nis/nis_lookup.c (nis_lookup): Don't try the next server if network
	is unreachable.
	* nis/nis_table.c (nis_list): Likewise.
	* nis/nis_ping.c (nis_ping): Use MASTER_ONLY, don't call abort()
	in error case.
	* nis/nis_util.c (__nis_finddirectory): Give the right error code
	back.
	* nis/ypclnt.c: Make sure, that all sockets are closed.

1 files changed, 115 insertions, 19 deletions

diff --git a/manual/socket.texi b/manual/socket.texi
index c122106e2b..6efc54d1a5 100644
--- a/manual/socket.texi
+++ b/manual/socket.texi
@@ -323,7 +323,13 @@ This is a synonym for @code{AF_FILE}, for compatibility.
 @vindex AF_INET
 This designates the address format that goes with the Internet
 namespace.  (@code{PF_INET} is the name of that namespace.)
-@xref{Internet Address Format}.
+@xref{Internet Address Formats}.
+
+@comment sys/socket.h
+@comment IPv6 Basic API
+@item AF_INET6
+This is similar to @code{AF_INET}, but refers to the IPv6 protocol.
+(@code{PF_INET6} is the name of the corresponding namespace.)
 
 @comment sys/socket.h
 @comment BSD
@@ -566,7 +572,7 @@ A socket address for the Internet namespace includes the following components:
 @item
 The address of the machine you want to connect to.  Internet addresses
 can be specified in several ways; these are discussed in @ref{Internet
-Address Format}, @ref{Host Addresses}, and @ref{Host Names}.
+Address Formats}, @ref{Host Addresses}, and @ref{Host Names}.
 
 @item
 A port number for that machine.  @xref{Ports}.
@@ -577,7 +583,7 @@ canonical format called @dfn{network byte order}.  @xref{Byte Order},
 for information about this.
 
 @menu
-* Internet Address Format::     How socket addresses are specified in the
+* Internet Address Formats::    How socket addresses are specified in the
                                  Internet namespace.
 * Host Addresses::	        All about host addresses of internet host.
 * Protocols Database::		Referring to protocols by name.
@@ -589,16 +595,17 @@ for information about this.
 * Inet Example::	        Putting it all together.
 @end menu
 
-@node Internet Address Format
-@subsection Internet Socket Address Format
+@node Internet Address Formats
+@subsection Internet Socket Address Formats
 
-In the Internet namespace, a socket address consists of a host address
+In the Internet namespace, for both IPv4 (@code{AF_INET}) and IPv6
+(@code{AF_INET6}), a socket address consists of a host address
 and a port on that host.  In addition, the protocol you choose serves
 effectively as a part of the address because local port numbers are
 meaningful only within a particular protocol.
 
-The data type for representing socket addresses in the Internet namespace
-is defined in the header file @file{netinet/in.h}.
+The data types for representing socket addresses in the Internet namespace
+are defined in the header file @file{netinet/in.h}.
 @pindex netinet/in.h
 
 @comment netinet/in.h
@@ -627,13 +634,39 @@ When you call @code{bind} or @code{getsockname}, you should specify
 @code{sizeof (struct sockaddr_in)} as the @var{length} parameter if
 you are using an Internet namespace socket address.
 
+@deftp {Data Type} {struct sockaddr_in6}
+This is the data type used to represent socket addresses in the IPv6
+namespace.  It has the following members:
+
+@table @code
+@item short int sin6_family
+This identifies the address family or format of the socket address.
+You should store the value of @code{AF_INET6} in this member.
+@xref{Socket Addresses}.
+
+@item struct in6_addr sin6_addr
+This is the IPv6 address of the host machine.  @xref{Host
+Addresses}, and @ref{Host Names}, for how to get a value to store
+here.
+
+@item uint32_t sin6_flowinfo
+This is a currently unimplemented field.
+
+@item uint16_t sin6_port
+This is the port number.  @xref{Ports}.
+
+@end table
+@end deftp
+
 @node Host Addresses
 @subsection Host Addresses
 
 Each computer on the Internet has one or more @dfn{Internet addresses},
 numbers which identify that computer among all those on the Internet.
-Users typically write numeric host addresses as sequences of four
-numbers, separated by periods, as in @samp{128.52.46.32}.
+Users typically write IPv4 numeric host addresses as sequences of four
+numbers, separated by periods, as in @samp{128.52.46.32}, and IPv6
+numeric host addresses as sequences of up to eight numbers seperated by
+colons, as in @samp{5f03:1200:836f:c100::1}.
 
 Each computer also has one or more @dfn{host names}, which are strings
 of words separated by periods, as in @samp{churchy.gnu.ai.mit.edu}.
@@ -660,6 +693,9 @@ Each computer on the Internet has one or more Internet addresses,
 numbers which identify that computer among all those on the Internet.
 @end ifinfo
 
+@c I think this whole section could possibly be removed.  It is slightly
+@c misleading these days.
+
 @cindex network number
 @cindex local network address number
 An Internet host address is a number containing four bytes of data.
@@ -779,6 +815,31 @@ This constant is the address you use to send a broadcast message.
 This constant is returned by some functions to indicate an error.
 @end deftypevr
 
+@comment netinet/in.h
+@comment IPv6 basic API
+@deftp {Data Type} {struct in6_addr}
+This data type is used to store an IPv6 address.  It stores 128 bits of
+data, which can be accessed (via a union) in a variety of ways.
+@end deftp
+
+@comment netinet/in.h
+@comment IPv6 basic API
+@deftypevr Constant {struct in6_addr} in6addr_loopback.
+This constant is the IPv6 address @samp{::1}, the loopback address.  See
+above for a description of what this means.  The macro
+@code{IN6ADDR_LOOPBACK_INIT} is provided to allow you to initialise your
+own variables to this value.
+@end deftypevr
+
+@comment netinet/in.h
+@comment IPv6 basic API
+@deftypevr Constant {struct in6_addr} in6addr_any
+This constant is the IPv6 address @samp{::}, the unspecified address.  See
+above for a description of what this means.  The macro
+@code{IN6ADDR_ANY_INIT} is provided to allow you to initialise your
+own variables to this value.
+@end deftypevr
+
 @node Host Address Functions
 @subsubsection Host Address Functions
 
@@ -854,6 +915,30 @@ This function returns the network number part of the Internet host
 address @var{addr}.
 @end deftypefun
 
+@comment arpa/inet.h
+@comment IPv6 basic API
+@deftypefun int inet_pton (int @var{af}, const char *@var{cp}, void
+*@var{buf})
+This function converts an Internet address (either IPv4 or IPv6) from
+presentation (textual) to network (binary) format.  @var{af} should be
+either @code{AF_INET} or @code{AF_INET6}, as appropriate for the type of
+address being converted.  @var{cp} is a pointer to the input string, and
+@var{buf} is a pointer to a buffer for the result.  It is the caller's
+responsibility to make sure the buffer is large enough.
+@end deftypefun
+
+@comment arpa/inet.h
+@comment IPv6 basic API
+@deftypefun char *inet_ntop(int @var{af}, const void *@var{cp}, char
+*@var{buf}, size_t @var{len})
+This function converts an Internet address (either IPv4 or IPv6) from
+network (binary) to presentation (textual) form.  @var{af} should be
+either @code{AF_INET} or @code{AF_INET6}, as appropriate.  @var{cp} is a
+pointer to the address to be converted.  @var{buf} should be a pointer
+to a buffer to hold the result, and @var{len} is the length of this
+buffer.  The return value from the function will be this buffer address.
+@end deftypefun
+
 @node Host Names
 @subsubsection Host Names
 @cindex hosts database
@@ -891,11 +976,12 @@ These are alternative names for the host, represented as a null-terminated
 vector of strings.
 
 @item int h_addrtype
-This is the host address type; in practice, its value is always
-@code{AF_INET}.  In principle other kinds of addresses could be
-represented in the data base as well as Internet addresses; if this were
-done, you might find a value in this field other than @code{AF_INET}.
-@xref{Socket Addresses}.
+This is the host address type; in practice, its value is always either
+@code{AF_INET} or @code{AF_INET6}, with the latter being used for IPv6
+hosts.  In principle other kinds of addresses could be represented in
+the data base as well as Internet addresses; if this were done, you
+might find a value in this field other than @code{AF_INET} or
+@code{AF_INET6}.  @xref{Socket Addresses}.
 
 @item int h_length
 This is the length, in bytes, of each address.
@@ -917,10 +1003,12 @@ implicit assumption that you can convert this to a @code{struct in_addr} or
 an @code{unsigned long int}.  Host addresses in a @code{struct hostent}
 structure are always given in network byte order; see @ref{Byte Order}.
 
-You can use @code{gethostbyname} or @code{gethostbyaddr} to search the
-hosts database for information about a particular host.  The information
-is returned in a statically-allocated structure; you must copy the
-information if you need to save it across calls.
+You can use @code{gethostbyname}, @code{gethostbyname2} or
+@code{gethostbyaddr} to search the hosts database for information about
+a particular host.  The information is returned in a
+statically-allocated structure; you must copy the information if you
+need to save it across calls.  You can also use @code{getaddrinfo} and
+@code{getnameinfo} to obtain this information.
 
 @comment netdb.h
 @comment BSD
@@ -930,6 +1018,14 @@ named @var{name}.  If the lookup fails, it returns a null pointer.
 @end deftypefun
 
 @comment netdb.h
+@comment IPv6 Basic API
+@deftypefun {struct hostent *} gethostbyname2 (const char *@var{name}, int @var{af})
+The @code{gethostbyname2} function is like @code{gethostbyname}, but
+allows the caller to specify the desired address family (e.g.@:
+@code{AF_INET} or @code{AF_INET6}) for the result.
+@end deftypefun
+
+@comment netdb.h
 @comment BSD
 @deftypefun {struct hostent *} gethostbyaddr (const char *@var{addr}, int @var{length}, int @var{format})
 The @code{gethostbyaddr} function returns information about the host