update from main archive 970125cvs/libc-970126

Sun Jan 26 05:41:42 1997  Ulrich Drepper  <drepper@cygnus.com>

	* version.h (VERSION): Bump to 2.0.
	(RELEASE): Now it's "experimental".

	* Makefile (subdirs): Change $(malloc) to malloc.  We have only
	one malloc implementation again.
	* malloc/*: Remove from GNU libc.
	* new-malloc/* Move to malloc/.
	* config.make.in (defines): Remove @USE_NEW_MALLOC@.
	* configure.in: Remove --enable-new-malloc option and check for
	malloc implementation choice.
	* malloc.h: We don't need to check for the implementation to use
	anymore.  Simply include malloc/malloc.h.
	* malloc/Makefile (subdir): Change to malloc.
	* sysdeps/unix/sysv/linux/configure.in: Don't set malloc anymore.

	* Makefile: Add special goal to call generate only-MD5 based crypt
	library.
	* md5-crypt/Makefile: Likewise.

	* stdio-common/tstscanf.c: De-ANSI-declfy.  Update copyright.
	(rounds): Change type to size_t to prevent warning.

	* wcsmbs/btowc.c: Reformat copyright.
	* wcsmbs/mbrlen.c: Likewise.
	* wcsmbs/mbsinit.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcpcpy.c: Likewise.
	* wcsmbs/wcpncpy.c: Likewise.
	* wcsmbs/wcscat.c: Likewise.
	* wcsmbs/wcscmp.c: Likewise.
	* wcsmbs/wcscoll.c: Likewise.
	* wcsmbs/wcscpy.c: Likewise.
	* wcsmbs/wcscspn.c: Likewise.
	* wcsmbs/wcsdup.c: Likewise.
	* wcsmbs/wcslen.c: Likewise.
	* wcsmbs/wcsncat.c: Likewise.
	* wcsmbs/wcsncpy.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wcsspn.c: Likewise.
	* wcsmbs/wcsstr.c: Likewise.
	* wcsmbs/wcstod.c: Likewise.
	* wcsmbs/wcstof.c: Likewise.
	* wcsmbs/wcstok.c: Likewise.
	* wcsmbs/wcstol.c: Likewise.
	* wcsmbs/wcstold.c: Likewise.
	* wcsmbs/wcstoq.c: Likewise.
	* wcsmbs/wcstoul.c: Likewise.
	* wcsmbs/wcstouq.c: Likewise.
	* wcsmbs/wcswidth.c: Likewise.
	* wcsmbs/wcsxfrm.c: Likewise.
	* wcsmbs/wctob.c: Likewise.
	* wcsmbs/wcwidth.c: Likewise.
	* wcsmbs/wcwidth.h: Likewise.
	* wcsmbs/wmemchr.c: Likewise.
	* wcsmbs/wmemcmp.c: Likewise.
	* wcsmbs/wmemmove.c: Likewise.
	* wcsmbs/wmemset.c: Likewise.

Sat Jan 25 03:34:14 1997  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/termbits.h: Protect against multiple
	inclusion.  Reported by a sun <asun@zoology.washington.edu>.

	Likewise for scanf4.c
	* stdlib/stdlib.h: Declare reentrant function from rand48 family

1 files changed, 93 insertions, 22 deletions

diff --git a/NEWS b/NEWS
index 37678e1..0be4d35 100644
--- a/NEWS
+++ b/NEWS
@@ -1,9 +1,11 @@
-GNU C Library NEWS -- history of user-visible changes.  25 August 1996
+GNU C Library NEWS -- history of user-visible changes.  26 January 1997
 
-Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
+Copyright (C) 1992, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
 See the end for copying conditions.
 
-Please send GNU C library bug reports to bug-glibc@prep.ai.mit.edu.
+Please send GNU C library bug reports using the `glibcbug' script to
+<bugs@gnu.ai.mit.edu>.  Questions and suggestions should be send to
+<bug-glibc@prep.ai.mit.edu>.
 
 Version 2.0
 
@@ -34,7 +36,9 @@ Version 2.0
   are enabled, the new library `-ldl' is available for arbitrary run-time
   loading of shared objects; its interface is defined in <dlfcn.h>.  The
   new header file <link.h> gives access to the internals of the run-time
-  dynamic linker, `ld.so'.
+  dynamic linker, `ld.so'.  The shell script `ldd' is similar to the
+  application of same name on other systems and it provides information
+  about dynamically linked binaries.
 
 * The C library now provides the run-time support code for profiling
   executables compiled with `-pg'.  Programs can control the profiling code
@@ -43,18 +47,22 @@ Version 2.0
   the support for this file format was contributed by David Mosberger-Tang.
 
 * The math code has been replaced with a math library based on fdlibm from
-  Sun, and modified by JT Conklin with i387 support and by Ian Taylor with
-  `float' functions.  The math functions now reside in a separate library,
-  so programs using them will need to use `-lm' their linking commands.
+  Sun, and modified by JT Conklin and Ulrich Drepper with i387 support, by
+  Ian Taylor with `float' functions and by Ulrich Drepper with `long double'
+  functions.  The math functions now reside in a separate library,  so
+  programs using them will need to use `-lm' their linking commands.
+
+* John C. Bowman contributed optimized ix87 assembler inline functions.
 
 * Ulrich Drepper has contributed support for an `/etc/nsswitch.conf'
   mechanism similar to that found in Solaris 2.  This is now used for the
-  group, passwd, hosts, networks, services, protocols, and rpc databases.
-  The `nsswitch.conf' file controls what services are used for each
-  individual database.  This works by loading shared libraries with names
-  specified in `nsswitch.conf', so service modules can be changed or added at
-  any time without even relinking any program.  A future release of the
-  separate NYS package will provide NIS/YP and NIS+ modules for this interface.
+  group, passwd, hosts, networks, services, protocols, rpc, ethers,
+  shadow, netgroup, publickey, and alias databases.  The `nsswitch.conf'
+  file controls what services are used for each individual database.  This
+  works by loading shared libraries with names specified in `nsswitch.conf',
+  so service modules can be changed or added at any time without even
+  relinking any program.  Currently there are the file, db, and NIS based
+  NSS services available.
 
 * The new functions `strtoq' and `strtouq' parse integer values from
   strings, like `strtol' and `strtoul', but they return `long long int' and
@@ -69,13 +77,25 @@ Version 2.0
   `strtod', `strtof', and `strtold'.  These new functions are perfectly
   accurate, and much faster than the old ones.
 
+* The implementation of the POSIX locale model was completely rewritten by
+  Ulrich Drepper.  This includes the new programs `localedef' and `locale'
+  to compile the POSIX locale definition.
+
+* The former dummy implementations of the strcoll and strxfrm function are
+  now replaced by fully functional code contributed by Ulrich Drepper.  The
+  collation information comes from the POSIX locale definitions.
+
 * The new header <langinfo.h> defines an interface for accessing
   various locale-dependent data (using the locale chosen with `setlocale').
 
 * Ulrich Drepper has contributed a new suite of functions for operation on
-  wide-character and multibyte-character strings, in <wcstr.h> and <mbstr.h>;
+  wide-character and multibyte-character strings, in <wchar.h>;
   and classification and case conversion of wide characters, in <wctype.h>.
-  These new functions are intended to conform to the ISO C specification.
+  These new functions are conforming to the ISO C, Amendement 1 specification.
+
+* There is now a second implementation of the standard I/O library available.
+  It comes from GNU libg++ as was written by Per Bothner, heavily modified
+  by Hongjiu Lu and made thread safe by Ulrich Drepper.
 
 * You can now use positional parameter specifications in format strings
   for the `printf' and `scanf' families of functions.  For example,
@@ -104,7 +124,9 @@ Version 2.0
 * The new header file <fts.h> and suite of functions simplify programs that
   operate on directory trees.  This code comes from 4.4 BSD.
 
-* The resolver code has been updated from the BIND 4.9.5-T4B release.
+* The resolver code has been updated from the BIND 4.9.5-P1 release.
+  Parts of the code were heavily modified by Ulrich Drepper to fit in the
+  NSS scheme used in glibc.
 
 * The new function `malloc_find_object_address' finds the starting address
   of a malloc'd block, given any address within the block;
@@ -132,7 +154,9 @@ Version 2.0
 
 * The new functions `ecvt', `fcvt', and `gcvt' provide an obsolete interface
   for formatting floating-point numbers.  They are provided only for
-  compatibility; new programs should use `sprintf' instead.
+  compatibility; new programs should use `sprintf' instead.  There are
+  also equivalent function for the `long double' floating-point type and
+  all functions also exist in a reentrant form.
 
 * The new auxiliary library `-lutil' from 4.4 BSD contains various
   functions for maintaining the login-record files (primarily of use to
@@ -156,13 +180,17 @@ Version 2.0
 
 * Ulrich Drepper has updated the Linux-specific code, based largely
   on work done in Hongjiu Lu's version of GNU libc for Linux.
-  The GNU library now supports Linux versions 1.3.29 and later,
-  using the ELF object file format (i[345]86-*-linux).
+  The GNU library now supports Linux versions 2.0.10 and later,
+  using the ELF object file format (i[3456]86-*-linux).
 
 * Andreas Schwab has ported the C library to Linux/m68k (m68k-*-linux).
 
-* David Mosberger-Tang has ported the C library to Linux/Alpha (alpha-*-linux).
-  Richard Henderson contributed the dynamic linking support for ELF/Alpha.
+* David Mosberger-Tang and Richard Henderson have ported the C library
+  to Linux/Alpha (alpha-*-linux).  Richard Henderson contributed the
+  dynamic linking support for ELF/Alpha.
+
+* Richard Henderson contributed several Alpha optimized assembler function
+  for arithmetic and string handling.
 
 * Ulrich Drepper has contributed a new set of message catalog functions to
   support multiple languages using the <libintl.h> interface, for use with
@@ -199,6 +227,7 @@ Version 2.0
   POSIX.2 `glob' function to do ~ and {...} expansion.
 
 * New function `unsetenv' complements `setenv' for compatibility with 4.4 BSD.
+  `clearenv' which is used in POSIX.9 is also available.
 
 * New function `getsid' returns session ID number on systems that support it.
 
@@ -212,7 +241,9 @@ Version 2.0
   space from `alloca' instead of dynamic heap space from `malloc'.
 
 * New function `strnlen' is like `strlen' but searches only a given maximum
-  number of characters for the null terminator.
+  number of characters for the null terminator.  `stpncpy', `strndup' and
+  `strndupa' are similar variants for the `stpcpy', `strdup' and `strdupa'
+  function.
 
 * New function `statfs' in header <sys/statfs.h>.
 
@@ -222,6 +253,46 @@ Version 2.0
 
 * A new suite of functions in <utmp.h> handle all the details of reading
   and writing the utmp file.
+
+* An implementation of the NIS/YP(tm) based NSS service was contributed by
+  Thorsten Kukuk.
+
+* Paul Eggert and Ulrich Drepper modified the `strftime' function to be
+  completely POSIX compliant and also implemented the extended functionality
+  to handle alternate digit representation and alternate era date formats.
+
+* Ulrich Drepper provided an implementation of the `strptime' function
+  defined in XPG4.2 which transforms a string into a `struct tm' value.
+
+* Paul Eggert provided the tzselect shell script as part of the timezone
+  code.  The shell script makes it easy to select the correct timezone
+  specification.
+
+* The implementation of the malloc family of functions is completely replaced
+  by a new implementation by Doug Lea with many improvements by Wolfram Gloger.
+  The implementation uses the mmap function (if available) and it is
+  optimized for the use in multi threaded programs.
+
+* Ulrich Drepper contributed a MD5 "encryption" for the crypt family of
+  functions.  This new functionality is usable by specifying a special
+  salt string and it is compatible with implementation on *BSD systems.
+
+* Lots of functions from the XPG4.2 standard were added by Ulrich Drepper:
+  `getsubopt' to handle second level command line options, `bsd_signal'
+  to access BSD style `signal' functionality, the obsolete `regexp' style
+  expression matcher.
+
+* the `lchown' function is available on system which support this
+  functionality.
+
+* The implementation of the shadow password handling function was contributed
+  by Ulrich Drepper.
+
+* David Mosberger-Tang changed the SunRPC implementation to be 64bit safe.
+
+* POSIX.1g support was added.  The <sys/select.h> header is available,
+  `isfdtype' and `pselect' are implemented.  Craig Metz contributed an
+  implementation of `getaddrinfo'.
 
 Version 1.09