NEWS

   1 GNU C Library NEWS -- history of user-visible changes.  2001-7-27
   2 Copyright (C) 1992-2000, 2001 Free Software Foundation, Inc.
   3 See the end for copying conditions.
   4
   5 Please send GNU C library bug reports using the `glibcbug' script to
   6 <bugs@gnu.org>.  Questions and suggestions should be send to
   7 <bug-glibc@gnu.org>.
   8 \f
   9 Version 2.2.4
  10
  11 * Stephen Moshier implemented cosh, expm1, log1p, acos, sinh, tanh,
  12   asinh for the 128-bit long double format.
  13
  14 * Bruno Haible updated all the code handling Unicode in some form to
  15   support Unicode 3.1.
  16
  17 * Speed of regex for single-byte locales is back to previous levels.
  18   Patch by Isamu Hasegawa.
  19
  20 * Alpha, SPARC, and IA-64 now also using floating stacks.
  21
  22 * Startup time of internationalized applications greatly improved through
  23   iconv cache.  Use iconvconfig to generate the cache file.
  24   Contributed by Ulrich Drepper.
  25
  26 * The IA-64 specific part of ld.so was rewritten to eliminate some pretty
  27   severe performance problems.  Patch by David Mosberger.
  28
  29 * The Hurd port got a lot more functionality like AIO, various stdio
  30   extensions, etc.  Mainly done by Roland McGrath.
  31
  32 * mtrace can now lookup symbols in shared libraries.
  33 \f
  34 Version 2.2.3
  35
  36 * Intel's IA-64 math library is largely integrated.  It provides fast and
  37   accurate implementatations for most basic and standard math functions
  38   in float, double, and long double format.
  39
  40 * Stephen Moshier implemented j0, j1, jn, y0, y1, yn, lgamma, erf, erfc,
  41   and asin for the 96-bit long double format and asin, log, tan for the
  42   128-bit long double format.
  43
  44 * The beginning of a last-bit accurate math library by IBM Haifa were added.
  45   The basic double functions exist today.  Contributed by Abraham Ziv
  46   <ziv@il.ibm.com>, Moshe Olshansky <olshansk@il.ibm.com>, Ealan Henis
  47   <ealan@il.ibm.com>, and Anna Reitman <reitman@il.ibm.com>.
  48
  49 * An asynchronous name lookup library was added.  The interface is designed
  50   after POSIX AIO.  The proposal was circulated beforehand to get comments.
  51   No negative ones came in.  Implemented by Ulrich Drepper.
  52
  53 * Port to S390/64bit contributed by Martin Schwidefsky
  54   <schwidefsky@de.ibm.com>.
  55
  56 * David Mosberger <davidm@hpl.hp.com> implemented the setcontext family
  57   of functions for Linux/IA-64.
  58
  59 * The RPC code is now thread safe.  Threads can now use the same service
  60   of different services at the same time.  Patch by Eric Norum
  61   <eric.norum@usask.ca> with some help by Ulrich Drepper.
  62
  63 * Martin Schwidefsky <schwidefsky@de.ibm.com> implemented the setcontext
  64   family of functions for Linux/S390.
  65
  66 * Ulrich Drepper <drepper@redhat.com> implemented the setcontext family
  67   of functions for Linux/x86.
  68
  69 * Port to Linux/CRIS contributed by Axis Communications.
  70 \f
  71 Version 2.2.2
  72
  73 * Lots of headers were cleaned up.  Using the tool in the conform/ subdir
  74   we can now check for namespace violations and missing declarations.  The
  75   result is that almost all headers are now Unix-compliant (as defined in
  76   the upcoming XPG6).  The negative side is that some programs might need
  77   corrections, too, if they depend on the incorrect form of the headers in
  78   previous versions which defined too many symbols and included too many
  79   other headers.
  80
  81 * regex now handles multibyte character sets correctly.
  82   Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
  83
  84 * iconv (the program) does now conform to the upcoming XPG6 and handles
  85   charmaps.  Instead of the charset names the path of charmaps can be
  86   provided and the conversion happens based on this data.
  87   Contributed by Ulrich Drepper.
  88
  89 * The locale program now provides detailed information about the installed
  90   locales.  While
  91
  92     locale -a
  93
  94   only lists the names of the supported locales
  95
  96     locale -a --verbose
  97
  98   provides details such as country, language, and codeset name.
  99   Contributed by Ulrich Drepper.
 100 \f
 101 Version 2.2.1
 102
 103 * The gencat program now parses the input file according to the charset
 104   selected by the LC_CTYPE category.  This is important for stateful
 105   character sets.  To make generating catalogs easier there is a way
 106   to overwrite the charset selected by the locale: before the first
 107   message or $ quote line the catalog can contain a line like
 108
 109     $ codeset=ISO-8859-2
 110
 111   to select the charset (ISO-8859-2 in this case).
 112
 113   Implemented by Shinya Hanataka and Ulrich Drepper.
 114
 115 * New codeset conversion modules: IBM-922  (Estonia PC codeset),
 116   IBM-1124 (Ukraine PC codeset), IBM-1129 (Vietnamese PC codeset).
 117   Contributed by Masahide Washizawa <washi@jp.ibm.com>.
 118
 119 * Optimized string functions for Alpha ev6 and ev67 by Richard Henderson
 120   <rth@redhat.com> and Rick Gorton <rick.gorton@alpha-processor.com>.
 121
 122 * The LANGUAGE environment variable is now ignored unless the locale is
 123   changed from the default "C" locale.
 124
 125 * The usual bug fixes.
 126 \f
 127 Version 2.2
 128
 129 * Greg McGary added runtime support for bounds checking using gcc's
 130   new -fbounded-pointers option.  ix86 target is complete.  PowerPC
 131   is in progress.
 132
 133 * Thorsten Kukuk added secure mode support to nscd.
 134
 135 * The Berkeley db libraries have been removed.
 136
 137   Related, the nss_db module is now in a separate package since it
 138   obviously requires a database library being available.
 139
 140 * Wide character I/O streams implemented by Ulrich Drepper.
 141
 142 * Functions from the extended socket API added by Ulrich Drepper.
 143
 144 * Functions feenableexcept and fedisableexcept to control the
 145   behaviour of individual exceptions have been added by Andreas Jaeger.
 146
 147 * ldconfig program added by Andreas Jaeger and Jakub Jelinek.
 148
 149 * The resolver code has been updated from bind 8.2.3-T5B which supports
 150   threads.  The integration was done by Andreas Jaeger, Adam D. Bradley,
 151   and Mark Kettenis.
 152
 153   This change could in some situations effect backward compatibility.  Since
 154   now `_res' is a thread-local instead of a global variable, modifying it
 155   in one thread does not have any effect in other threads.
 156
 157   The resolver library was also extended to allow IPv6 as the transport
 158   protocol for the requests.  This work was done by Stig Venaas.
 159
 160 * Compatibility code for K&R C compilers has been removed from the
 161   header files.  A ISO C compiler is needed to use the library
 162   (conforming to either C89 or C99 standard).
 163
 164 * Complete rewrite of the localedef program to support multibyte character
 165   sets.  Implement handling of ISO 14651 and ISO 14652.  Rewrite strcoll,
 166   strxfrm, wcscoll, and wcsxfrm functions.  Make isw*() functions work.
 167   Implemented by Ulrich Drepper.
 168
 169   Bruno Haible significantly improved the generation and use of the data
 170   structures for the wide character tables.
 171
 172 * Plural handling in gettext implemented by Ulrich Drepper.
 173
 174 * The utmp daemon has been removed.
 175
 176 * The port to MIPS-Linux has been finished by Andreas Jaeger.
 177
 178 * A port to Hitachi SH3 and SH4 has been contributed by Kazumoto Kojima
 179   and Yutaka Niibe.
 180
 181 * POSIX clocks and timers implemented by Kaz Kylheku and Ulrich Drepper.
 182
 183 * POSIX barriers implemented by Kaz Kylheku.
 184
 185 * POSIX spawn function family implemented by Ulrich Drepper.
 186
 187 * POSIX spinlocks are now available.
 188
 189 * Timed wait functions for mutex, rwlock, and semaphores are implemented.
 190
 191 * the configure option --enable-kernel=X.Y.Z allows to strip out
 192   compatibility for kernel versions before X.Y.Z.  This is currently only
 193   implemented for Linux.
 194
 195 * the sockaddr_in6 structure changed.  The IPv6 working group added a new
 196   field sin6_scope_id.  This means that all programs using IPv6 should be
 197   recompiled.  Don't expect binary compatibility with previous glibc
 198   versions.
 199
 200 * various conversion modules for IBM character sets contributed by
 201   Masahide Washizawa.
 202
 203 * IA-64 port by Jes Sorensen and HJ Lu.
 204
 205 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 206 Compiling the GNU C Library for Linux/ia64
 207 ******************************************
 208
 209    Please refer to the file INSTALL in the same directory as you found
 210 this file for general information about configuring and compiling
 211 glibc.
 212
 213    For general inquiries about glibc under Linux/ia64 please use the
 214 following mailing list linux-ia64@linuxia64.org or one of the relevant
 215 glibc mailing lists.
 216
 217 Recommended Tools for Compilation
 218 =================================
 219
 220    In order for glibc-2.2 to build correctly on the ia64 you need at
 221 least the following versions of the GNU tools (the :
 222
 223    * The Cygnus toolchain snapshot for the ia64 as of August 4
 224      including the provided set of patches.  It is however recommend
 225      you use the October 24 toolchain snapshot or a more recent version.
 226
 227    OR alternatively you can try the following (the Cygnus toolchain is
 228    the recommended solution):
 229
 230    * GCC and binutils, GAS and GNU LD out of CVS from
 231      sources.redhat.com as of August 28, 2000 or later.  The CVS tree
 232      may require special patches to work properly on the ia64.
 233
 234 Configuring and compiling GNU Libc for Linux/ia64
 235 =================================================
 236
 237    The library requires Linux kernel version 2.4.0-test4-000728 or
 238 later to funtion properly. Besides that it support for debug libraries
 239 is currently untested. Hence the following options
 240 are required for configuring the library:
 241
 242    --disable-debug --enable-kernel=2.4.0
 243
 244    It is also important that you make sure the library picks up the
 245 appropriate kernel header files, if you do not have recent enough
 246 kernel headers in /usr/src/linux/include, you should use the
 247 --with-headers=<path> option to specify the location.
 248
 249    As an example I personally use the following options to configure
 250 the library:
 251
 252    --disable-debug
 253    --disable-cvs
 254    --enable-kernel=2.4.0
 255    --host=ia64-linux
 256    --enable-add-ons=yes
 257    --prefix=/usr
 258    --with-headers=/home/jes/linux/include
 259
 260
 261 Good luck
 262
 263 Jes Sorensen <jes@linuxcare.com>,
 264 November 14th, 2000
 265 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 266 \f
 267 Version 2.1.3
 268
 269 * bug fixes
 270
 271 \f
 272 Version 2.1.2
 273
 274 * bug fixes
 275
 276 \f
 277 Version 2.1.1
 278
 279 * New ISO C 9x function _Exit, imaxabs, and imaxdiv are added.
 280
 281 * New xdr functions are added; some rpc functions are now 64bit clean.
 282
 283 * Fixed a number of bugs and memory leaks (especially in NIS+ code).
 284
 285 * Fixed known incompatibilities with glibc 2.0.
 286
 287 * New functions lock64, strchrnul, rawmemchr, getutmp and getutmpx.
 288
 289 * Optimized a number of functions (especially the ELF dynamic loader).
 290
 291 * Update timezone data files.
 292
 293 * lots of charmaps corrections
 294
 295 * some new locale definitions and charmaps
 296
 297 \f
 298 Version 2.1
 299
 300 * Richard Henderson corrected size of struct timeval on Linux/Alpha to
 301   conform to POSIX member type requirements.  Symbol versions have been
 302   adjusted as needed within the library, and for direct use by applications,
 303   but there is potential for problems if third-party libraries use
 304   struct timeval as part of their interface.  This does not present
 305   a problem for X and other "essential" system libraries.
 306
 307 * An additional locale model to support C++ Standard Library locale
 308   model and probably more was implemented by Ulrich Drepper.
 309
 310 * Eric Youngdale and Ulrich Drepper implemented versioning of objects on
 311   symbol level.
 312
 313 * Miles Bader provided the `argp' function family to support hierachical
 314   command line argument parsing, layered on top of getopt.
 315
 316 * strtod accepts new hexadecimal floating-point format from ISO C 9X.
 317
 318 * printf has two new specifiers %a and %A to print hexadecimal flaoting-point
 319   numbers.
 320
 321 * scanf recognizes the %a and %A format for scanning floating point numbers.
 322
 323 * the new headers <stdint.h> and <inttypes.h> from ISO C 9X provides
 324   information and interfaces for the available integer types.
 325
 326 * about 130 new math functions were added to implement the ISO C9x math
 327   library.
 328
 329 * the new header <complex.h> contains definitions of the complex math
 330   functions from ISO C 9X.
 331
 332 * the new header <tgmath.h> defines generic macros to use complex or
 333   real valued functions.
 334
 335 * Thorsten Kukuk provided an implementation for NIS+, securelevel 0, 1 and 2.
 336
 337 * Andreas Jaeger provided a test suite for the math library.
 338
 339 * Mark Kettenis implemented the utmpx interface and an utmp daemon.
 340
 341 * Ulrich Drepper added character set conversion functions (iconv).
 342
 343 * Optimized string functions have been added.
 344
 345 * The localedata addon is now part of glibc.
 346
 347 * An implementation of profiling shared libraries was added by Ulrich Drepper.
 348
 349 * Thorsten Kukuk and Ulrich Drepper provided an implementation for a caching
 350   daemon for NSS (nscd).
 351
 352   Missing a better place here are some numbers on improvements.  Under
 353   Linux 2.1.125 un-tar-ing the kernel sources takes
 354
 355                                   user  system     wall
 356
 357     using local files           12.19s   6.88s   22.91s
 358
 359     using NIS                   13.92s   8.91s   26.34s
 360
 361     using NIS & nscd            10.37s   7.34s   25.30s
 362
 363     using NIS+                  27.57s  30.37s  640.46s
 364
 365     using NIS+ & nscd           10.25s   7.83s   26.51s
 366
 367     using NIS & old nscd [1]    13.83s   8.32s   29.60s
 368
 369   Keep in mind that non-namelookup related operations dominate above times.
 370   It was just a common complain that using NIS+ unpacking the kernel is
 371   horribly slow.
 372
 373   [1] The old nscd implementation is not available anymore since it was
 374   distributed with glibc up to version 2.0.98 and thus is now replaced.
 375
 376 * Tim Waugh provided an implementation of the POSIX.2 wordexp function family.
 377
 378 * Mark Kettenis provided a Hesiod NSS module.
 379
 380 * The ELF dynamic loader knows how to process dynamic string tokens ($ORIGIN
 381   and $PLATFORM) in RPATHs and similar strings (Ulrich Drepper).
 382
 383 * rcmd can now handle netgroups (Dick Streefland).
 384
 385 * A port to the ARM was contributed by Phil Blundell, Pat Beirne and Scott
 386   Bambrough.
 387
 388 * Support for the IPv6 protocol has been added to the socket API, as per the
 389   latest draft standards.
 390
 391 * Support for Linux 2.2 has been added.
 392
 393 * Interface changes relative to the latest 2.0.x release:
 394 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 395 addseverity                     NEW: Unix98
 396 alphasort64                     NEW: LFS
 397 argp_err_exit_status            NEW: argp, GNU ext
 398 argp_error                      NEW: argp, GNU ext
 399 argp_failure                    NEW: argp, GNU ext
 400 argp_help                       NEW: argp, GNU ext
 401 argp_parse                      NEW: argp, GNU ext
 402 argp_program_bug_address        NEW: argp, GNU ext
 403 argp_program_version            NEW: argp, GNU ext
 404 argp_program_version_hook       NEW: argp, GNU ext
 405 argp_state_help                 NEW: argp, GNU ext
 406 argp_usage                      NEW: argp, GNU ext
 407 authdes_create                  NEW: Secure RPC
 408 authdes_getucred                NEW: Secure RPC
 409 authdes_pk_create               NEW: Secure RPC
 410 backtrace                       NEW: GNU ext.
 411 backtrace_symbols               NEW: GNU ext.
 412 backtrace_symbols_fd            NEW: GNU ext.
 413 cacos                           NEW: ISO C 9x
 414 cacosf                          NEW: ISO C 9x
 415 cacosh                          NEW: ISO C 9x
 416 cacoshf                         NEW: ISO C 9x
 417 cacoshl                         NEW: ISO C 9x
 418 cacosl                          NEW: ISO C 9x
 419 capget                          NEW: kernel
 420 capset                          NEW: kernel
 421 carg                            NEW: ISO C 9x
 422 cargf                           NEW: ISO C 9x
 423 cargl                           NEW: ISO C 9x
 424 casin                           NEW: ISO C 9x
 425 casinf                          NEW: ISO C 9x
 426 casinh                          NEW: ISO C 9x
 427 casinhf                         NEW: ISO C 9x
 428 casinhl                         NEW: ISO C 9x
 429 casinl                          NEW: ISO C 9x
 430 catan                           NEW: ISO C 9x
 431 catanf                          NEW: ISO C 9x
 432 catanh                          NEW: ISO C 9x
 433 catanhf                         NEW: ISO C 9x
 434 catanhl                         NEW: ISO C 9x
 435 catanl                          NEW: ISO C 9x
 436 cbc_crypt                       NEW: Secure RPC
 437 ccos                            NEW: ISO C 9x
 438 ccosf                           NEW: ISO C 9x
 439 ccosh                           NEW: ISO C 9x
 440 ccoshf                          NEW: ISO C 9x
 441 ccoshl                          NEW: ISO C 9x
 442 ccosl                           NEW: ISO C 9x
 443 cexp                            NEW: ISO C 9x
 444 cexpf                           NEW: ISO C 9x
 445 cexpl                           NEW: ISO C 9x
 446 cimag                           NEW: ISO C 9x
 447 cimagf                          NEW: ISO C 9x
 448 cimagl                          NEW: ISO C 9x
 449 clearerr_locked                 REMOVED
 450 clntunix_create                 NEW: sunrpc ext
 451 clog                            NEW: ISO C 9x
 452 clog10                          NEW: ISO C 9x
 453 clog10f                         NEW: ISO C 9x
 454 clog10l                         NEW: ISO C 9x
 455 clogf                           NEW: ISO C 9x
 456 clogl                           NEW: ISO C 9x
 457 conj                            NEW: ISO C 9x
 458 conjf                           NEW: ISO C 9x
 459 conjl                           NEW: ISO C 9x
 460 cpow                            NEW: ISO C 9x
 461 cpowf                           NEW: ISO C 9x
 462 cpowl                           NEW: ISO C 9x
 463 cproj                           NEW: ISO C 9x
 464 cprojf                          NEW: ISO C 9x
 465 cprojl                          NEW: ISO C 9x
 466 creal                           NEW: ISO C 9x
 467 crealf                          NEW: ISO C 9x
 468 creall                          NEW: ISO C 9x
 469 creat64                         NEW: LFS
 470 csin                            NEW: ISO C 9x
 471 csinf                           NEW: ISO C 9x
 472 csinh                           NEW: ISO C 9x
 473 csinhf                          NEW: ISO C 9x
 474 csinhl                          NEW: ISO C 9x
 475 csinl                           NEW: ISO C 9x
 476 csqrt                           NEW: ISO C 9x
 477 csqrtf                          NEW: ISO C 9x
 478 csqrtl                          NEW: ISO C 9x
 479 ctan                            NEW: ISO C 9x
 480 ctanf                           NEW: ISO C 9x
 481 ctanh                           NEW: ISO C 9x
 482 ctanhf                          NEW: ISO C 9x
 483 ctanhl                          NEW: ISO C 9x
 484 ctanl                           NEW: ISO C 9x
 485 des_setparity                   NEW: Secure RPC
 486 ecb_crypt                       NEW: Secure RPC
 487 endutxent                       NEW: Unix98
 488 exp10                           NEW: ISO C 9x
 489 exp10f                          NEW: ISO C 9x
 490 exp10l                          NEW: ISO C 9x
 491 exp2                            NEW: ISO C 9x
 492 exp2f                           NEW: ISO C 9x
 493 exp2l                           NEW: ISO C 9x
 494 fattach                         NEW: STREAMS
 495 fdetach                         NEW: STREAMS
 496 fdim                            NEW: ISO C 9x
 497 fdimf                           NEW: ISO C 9x
 498 fdiml                           NEW: ISO C 9x
 499 feclearexcept                   NEW: ISO C 9x
 500 fegetenv                        NEW: ISO C 9x
 501 fegetexceptflag                 NEW: ISO C 9x
 502 fegetround                      NEW: ISO C 9x
 503 feholdexcept                    NEW: ISO C 9x
 504 feof_locked                     REMOVED
 505 feraiseexcept                   NEW: ISO C 9x
 506 ferror_locked                   REMOVED
 507 fesetenv                        NEW: ISO C 9x
 508 fesetexceptflag                 NEW: ISO C 9x
 509 fesetround                      NEW: ISO C 9x
 510 fetestexcept                    NEW: ISO C 9x
 511 feupdateenv                     NEW: ISO C 9x
 512 fflush_locked                   REMOVED
 513 ffsl                            NEW: GNU ext.
 514 ffsll                           NEW: GNU ext.
 515 fgetpos64                       NEW: LFS
 516 fgets_unlocked                  NEW: GNU ext.
 517 fileno_locked                   REMOVED
 518 fma                             NEW: ISO C 9x
 519 fmaf                            NEW: ISO C 9x
 520 fmal                            NEW: ISO C 9x
 521 fmax                            NEW: ISO C 9x
 522 fmaxf                           NEW: ISO C 9x
 523 fmaxl                           NEW: ISO C 9x
 524 fmin                            NEW: ISO C 9x
 525 fminf                           NEW: ISO C 9x
 526 fminl                           NEW: ISO C 9x
 527 fmtmsg                          NEW: Unix98
 528 fopen64                         NEW: LFS
 529 fputc_locked                    REMOVED
 530 fputs_unlocked                  NEW: GNU ext.
 531 fread_unlocked                  NEW: GNU ext.
 532 freopen64                       NEW: LFS
 533 fseeko                          NEW: Unix98
 534 fsetpos64                       NEW: LFS
 535 fstatfs64                       NEW: LFS
 536 fstatvfs                        NEW: Unix98
 537 fstatvfs64                      NEW: LFS
 538 ftello                          NEW: Unix98
 539 ftello64                        NEW: LFS
 540 ftruncate64                     NEW: LFS
 541 ftw64                           NEW: LFS
 542 fwrite_unlocked                 NEW: GNU ext.
 543 gai_strerror                    NEW: IPv6
 544 gamma_r                         REMOVED
 545 gammaf_r                        REMOVED
 546 gammal_r                        REMOVED
 547 getchar_locked                  REMOVED
 548 getdate                         NEW: Unix98
 549 getdate_err                     NEW: Unix98
 550 getdate_r                       NEW: GNU ext.
 551 getmsg                          NEW: STREAMS
 552 getnameinfo                     NEW: IPv6
 553 getnetname                      NEW: Secure RPC
 554 getpmsg                         NEW: STREAMS
 555 getpt                           NEW: Unix98 PTY
 556 getrlimit64                     NEW: LFS
 557 getutxent                       NEW: Unix98
 558 getutxid                        NEW: Unix98
 559 getutxline                      NEW: Unix98
 560 glob64                          NEW: GNU ext.
 561 globfree64                      NEW: GNU ext.
 562 gnu_get_libc_release            NEW: GNU ext.
 563 gnu_get_libc_version            NEW: GNU ext.
 564 grantpt                         NEW: Unix98 PTY
 565 host2netname                    NEW: Secure RPC
 566 iconv                           NEW: iconv
 567 iconv_close                     NEW: iconv
 568 iconv_open                      NEW: iconv
 569 if_freenameindex                NEW: IPv6
 570 if_indextoname                  NEW: IPv6
 571 if_nameindex                    NEW: IPv6
 572 if_nametoindex                  NEW: IPv6
 573 in6addr_any                     NEW: IPv6
 574 in6addr_loopback                NEW: IPv6
 575 inet6_isipv4mapped              NEW: IPv6
 576 isastream                       NEW: STREAMS
 577 iswblank                        NEW: GNU ext.
 578 key_decryptsession              NEW: Secure RPC
 579 key_decryptsession_pk           NEW: Secure RPC
 580 key_encryptsession              NEW: Secure RPC
 581 key_encryptsession_pk           NEW: Secure RPC
 582 key_gendes                      NEW: Secure RPC
 583 key_get_conv                    NEW: Secure RPC
 584 key_secretkey_is_set            NEW: Secure RPC
 585 key_setnet                      NEW: Secure RPC
 586 key_setsecret                   NEW: Secure RPC
 587 llrint                          NEW: ISO C 9x
 588 llrintf                         NEW: ISO C 9x
 589 llrintl                         NEW: ISO C 9x
 590 llround                         NEW: ISO C 9x
 591 llroundf                        NEW: ISO C 9x
 592 llroundl                        NEW: ISO C 9x
 593 log2                            NEW: ISO C 9x
 594 log2f                           NEW: ISO C 9x
 595 log2l                           NEW: ISO C 9x
 596 lrint                           NEW: ISO C 9x
 597 lrintf                          NEW: ISO C 9x
 598 lrintl                          NEW: ISO C 9x
 599 lround                          NEW: ISO C 9x
 600 lroundf                         NEW: ISO C 9x
 601 lroundl                         NEW: ISO C 9x
 602 lseek64                         NEW: LFS
 603 makecontext                     NEW: Unix98
 604 mempcpy                         NEW: GNU ext.
 605 mmap64                          NEW: LFS
 606 moncontrol                      REMOVED
 607 modify_ldt                      NEW: kernel
 608 nan                             NEW: ISO C 9x
 609 nanf                            NEW: ISO C 9x
 610 nanl                            NEW: ISO C 9x
 611 nearbyint                       NEW: ISO C 9x
 612 nearbyintf                      NEW: ISO C 9x
 613 nearbyintl                      NEW: ISO C 9x
 614 netname2host                    NEW: Secure RPC
 615 netname2user                    NEW: Secure RPC
 616 nexttoward                      NEW: ISO C 9x
 617 nexttowardf                     NEW: ISO C 9x
 618 nexttowardl                     NEW: ISO C 9x
 619 nftw                            NEW: Unix98
 620 nftw64                          NEW: LFS
 621 open64                          NEW: LFS
 622 passwd2des                      NEW: Secure RPC
 623 pow10                           NEW: GNU ext.
 624 pow10f                          NEW: GNU ext.
 625 pow10l                          NEW: GNU ext.
 626 pread                           NEW: Unix98
 627 pread64                         NEW: LFS
 628 printf_size                     NEW: GNU ext.
 629 printf_size_info                NEW: GNU ext.
 630 profil_counter                  REMOVED
 631 pthread_mutexattr_getkind_np    REPLACED
 632 pthread_mutexattr_setkind_np    REPLACED
 633 ptsname                         NEW: Unix98 PTY
 634 ptsname_r                       NEW: Unix98 PTY
 635 putc_locked                     REMOVED
 636 putchar_locked                  REMOVED
 637 putgrent                        NEW: GNU ext.
 638 putmsg                          NEW: STREAMS
 639 putpmsg                         NEW: STREAMS
 640 pututxline                      NEW: Unix98
 641 pwrite                          NEW: Unix98
 642 pwrite64                        NEW: LFS
 643 readdir64                       NEW: LFS
 644 readdir64_r                     NEW: LFS
 645 remquo                          NEW: ISO C 9x
 646 remquof                         NEW: ISO C 9x
 647 remquol                         NEW: ISO C 9x
 648 round                           NEW: ISO C 9x
 649 roundf                          NEW: ISO C 9x
 650 roundl                          NEW: ISO C 9x
 651 rtime                           NEW: GNU ext.
 652 scalbln                         NEW: ISO C 9x
 653 scalblnf                        NEW: ISO C 9x
 654 scalblnl                        NEW: ISO C 9x
 655 scandir64                       NEW: LFS
 656 sendfile                        NEW: kernel
 657 setcontext                      NEW: Unix98
 658 setrlimit64                     NEW: LFS
 659 setutxent                       NEW: Unix98
 660 sighold                         NEW: Unix98
 661 sigignore                       NEW: Unix98
 662 sigqueue                        NEW: POSIX.1b
 663 sigrelse                        NEW: Unix98
 664 sigset                          NEW: POSIX.1b
 665 sigtimedwait                    NEW: POSIX.1b
 666 sigwaitinfo                     NEW: POSIX.1b
 667 sincos                          NEW: GNU ext.
 668 sincosf                         NEW: GNU ext.
 669 sincosl                         NEW: GNU ext.
 670 statfs64                        NEW: LFS
 671 statvfs                         NEW: Unix98
 672 statvfs64                       NEW: LFS
 673 strcasestr                      NEW: GNU ext.
 674 strtoimax                       NEW: ISO C 9x
 675 strtoumax                       NEW: ISO C 9x
 676 strverscmp                      NEW: GNU ext.
 677 svcauthdes_stats                NEW: Secure RPC
 678 svcunix_create                  NEW: sunrpc etx
 679 svcunixfd_create                NEW: sunrpc ext
 680 swapcontext                     NEW: Unix98
 681 tcgetsid                        NEW: Unix98 PTY
 682 tdestroy                        NEW: GNU ext.
 683 tgamma                          NEW: ISO C 9x
 684 tgammaf                         NEW: ISO C 9x
 685 tgammal                         NEW: ISO C 9x
 686 tmpfile64                       NEW: LFS
 687 trunc                           NEW: ISO C 9x
 688 truncate64                      NEW: LFS
 689 truncf                          NEW: ISO C 9x
 690 truncl                          NEW: ISO C 9x
 691 umount2                         NEW: kernel
 692 unlockpt                        NEW: Unix98 PTY
 693 updwtmpx                        NEW: Unix98
 694 user2netname                    NEW: Secure RPC
 695 utmpxname                       NEW: Unix98
 696 versionsort                     NEW: GNU ext.
 697 versionsort64                   NEW: GNU ext.
 698 waitid                          NEW: Unix98
 699 wcscasecmp                      NEW: GNU ext.
 700 wcsncasecmp                     NEW: GNU ext.
 701 wcsnlen                         NEW: GNU ext.
 702 wcstoimax                       NEW: ISO C 9x
 703 wcstoll                         NEW: ISO C 9x
 704 wcstoull                        NEW: ISO C 9x
 705 wcstoumax                       NEW: ISO C 9x
 706 wcswcs                          NEW: Unix98
 707 wordexp                         NEW: POSIX.2
 708 wordfree                        NEW: POSIX.2
 709 write_profiling                 REMOVED
 710 xdecrypt                        NEW: Secure RPC
 711 xdr_authdes_cred                NEW: Secure RPC
 712 xdr_authdes_verf                NEW: Secure RPC
 713 xdr_cryptkeyarg                 NEW: Secure RPC
 714 xdr_cryptkeyarg2                NEW: Secure RPC
 715 xdr_cryptkeyres                 NEW: Secure RPC
 716 xdr_getcredres                  NEW: Secure RPC
 717 xdr_key_netstarg                NEW: Secure RPC
 718 xdr_key_netstres                NEW: Secure RPC
 719 xdr_keybuf                      NEW: Secure RPC
 720 xdr_keystatus                   NEW: Secure RPC
 721 xdr_netnamestr                  NEW: Secure RPC
 722 xdr_sizeof                      NEW: Secure RPC
 723 xdr_unixcred                    NEW: sunrpc ext
 724 xencrypt                        NEW: Secure RPC
 725 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 726 \f
 727 Version 2.0.6
 728
 729 * more bug fixes
 730
 731 \f
 732 Version 2.0.5
 733
 734 * more bug fixes
 735
 736 * inet_ntoa is thread-safe
 737
 738 * updwtmp is moved from libutil to libc
 739
 740 * rewrite of cbrt function
 741
 742 * update of timezone data
 743 \f
 744 Version 2.0.4
 745
 746 * more bug fixes
 747 \f
 748 Version 2.0.3
 749
 750 * more bug fixes
 751 \f
 752 Version 2.0.2
 753
 754 * more bug fixes
 755
 756 * add atoll function
 757
 758 * fix complex problems in Berkeley DB code
 759
 760 * fix math functions
 761 \f
 762 Version 2.0.1
 763
 764 * fixed lots of header problems (especially Linux/GNU specific)
 765
 766 * dynamic loader preserves all registers
 767
 768 * Roland McGrath provided support for handling of auxiliary objects in
 769   the ELF dynamic loader.
 770
 771 * support for parallel builds is improved
 772 \f
 773 Version 2.0
 774
 775 * GNU extensions are no longer declared by default.  To enable them you
 776   must define the macro `_GNU_SOURCE' in your program or compile with
 777   `-D_GNU_SOURCE'.
 778
 779 * The library has changed from using GNU ld symbol aliases to using weak
 780   symbols where available.  The ELF object file format supports weak
 781   symbols; GNU ld also supports weak symbols in the a.out format.  (There
 782   is also now support for other GNU ld extensions in ELF.  Use the
 783   `--with-elf' option to configure to indicate you have ELF, and
 784   `--with-gnu-ld' if using GNU ld.)  This change resulted in the deletion
 785   of many files which contained only symbol aliases, reducing the size of
 786   the source and the compiled library; many other files were renamed to
 787   less cryptic names previously occupied by the symbol alias files.
 788   There is a new header file <elf.h> for programs which operate on
 789   files in the ELF format.
 790
 791 * Converted to Autoconf version 2, so `configure' has more options.
 792   Run `configure --help' to see the details.
 793
 794 * The library can now be configured to build profiling, highly-optimized
 795   (but undebuggable), and/or shared libraries (ELF with GNU ld only).  The
 796   `--enable-profile', `--enable-omitfp', and `--enable-shared' options to
 797   `configure' enable building these extra libraries.  The shared library is
 798   built by default when using both ELF and GNU ld.  When shared libraries
 799   are enabled, the new library `-ldl' is available for arbitrary run-time
 800   loading of shared objects; its interface is defined in <dlfcn.h>.  The
 801   new header file <link.h> gives access to the internals of the run-time
 802   dynamic linker, `ld.so'.  The shell script `ldd' is similar to the
 803   application of same name on other systems and it provides information
 804   about dynamically linked binaries.
 805
 806 * The C library now provides the run-time support code for profiling
 807   executables compiled with `-pg'.  Programs can control the profiling code
 808   through the interface in <sys/gmon.h>.  The `gmon.out' files written by
 809   the GNU C library can be read only by GNU `gprof' (from GNU binutils);
 810   the support for this file format was contributed by David Mosberger-Tang.
 811
 812 * The math code has been replaced with a math library based on fdlibm from
 813   Sun, and modified by JT Conklin and Ulrich Drepper with i387 support, by
 814   Ian Taylor with `float' functions and by Ulrich Drepper with `long double'
 815   functions.  The math functions now reside in a separate library,  so
 816   programs using them will need to use `-lm' their linking commands.
 817
 818 * John C. Bowman contributed optimized ix87 assembler inline functions.
 819
 820 * Ulrich Drepper has contributed support for an `/etc/nsswitch.conf'
 821   mechanism similar to that found in Solaris 2.  This is now used for the
 822   group, passwd, hosts, networks, services, protocols, rpc, ethers,
 823   shadow, netgroup, publickey, and alias databases.  The `nsswitch.conf'
 824   file controls what services are used for each individual database.  This
 825   works by loading shared libraries with names specified in `nsswitch.conf',
 826   so service modules can be changed or added at any time without even
 827   relinking any program.  Currently there are the file, db, and NIS based
 828   NSS services available.
 829
 830 * The new functions `strtoq' and `strtouq' parse integer values from
 831   strings, like `strtol' and `strtoul', but they return `long long int' and
 832   `unsigned long long int' values, respectively (64-bit quantities).
 833
 834 * The new functions `strtof' and `strtold' parse floating-point values from
 835   strings, like `strtod', but they return `float' and `long double' values,
 836   respectively (on some machines `double' and `long double' are the same).
 837
 838 * Ulrich Drepper has contributed new implementations of the floating-point
 839   printing and reading code used in the `printf' family of functions and
 840   `strtod', `strtof', and `strtold'.  These new functions are perfectly
 841   accurate, and much faster than the old ones.
 842
 843 * The implementation of the POSIX locale model was completely rewritten by
 844   Ulrich Drepper.  This includes the new programs `localedef' and `locale'
 845   to compile the POSIX locale definition.
 846
 847 * The former dummy implementations of the strcoll and strxfrm function are
 848   now replaced by fully functional code contributed by Ulrich Drepper.  The
 849   collation information comes from the POSIX locale definitions.
 850
 851 * The new header <langinfo.h> defines an interface for accessing
 852   various locale-dependent data (using the locale chosen with `setlocale').
 853
 854 * Ulrich Drepper has contributed a new suite of functions for operation on
 855   wide-character and multibyte-character strings, in <wchar.h>;
 856   and classification and case conversion of wide characters, in <wctype.h>.
 857   These new functions are conforming to the ISO C, Amendement 1 specification.
 858
 859 * There is now a second implementation of the standard I/O library available.
 860   It comes from GNU libg++ as was written by Per Bothner, heavily modified
 861   by Hongjiu Lu and made thread safe by Ulrich Drepper.
 862
 863 * You can now use positional parameter specifications in format strings
 864   for the `printf' and `scanf' families of functions.  For example,
 865   `printf ("Number %2$d, Mr %1$s\n", "Jones", 6);'' prints
 866   ``Number 6, Mr Jones''.  This is mainly useful when providing different
 867   format strings for different languages, whose grammars may dictate
 868   different orderings of the values being printed.  To support this
 869   feature, the interface for `register_printf_handler' has changed; see
 870   the header file <printf.h> for details.
 871
 872 * The `printf' and `scanf' families of functions now understand a new
 873   formatting flag for numeric conversions: the ' flag (e.g. %'d or %'f) says
 874   to group numbers as indicated by the locale; for `scanf' and friends, this
 875   says to accept as valid only a number with all the proper grouping
 876   separators in the right places.  In the default "C" locale, numbers are
 877   not grouped; but locales for specific countries will define the usual
 878   conventions (i.e. separate thousands with `,' in the US locale).
 879
 880 * The pgrp functions have been regularized, slightly incompatibly but much
 881   less confusingly.  The core functions are now `getpgid' and `setpgid',
 882   which take arguments for the PID to operate on; the POSIX.1 `getpgrp' (no
 883   argument) and BSD `setpgrp' (identical to `setpgid') functions are
 884   provided for compatibility.  There is no longer an incompatible `getpgrp'
 885   with an argument declared under _BSD_SOURCE; no BSD code uses it.
 886
 887 * The new header file <fts.h> and suite of functions simplify programs that
 888   operate on directory trees.  This code comes from 4.4 BSD.
 889
 890 * The resolver code has been updated from the BIND 4.9.5-P1 release.
 891   Parts of the code were heavily modified by Ulrich Drepper to fit in the
 892   NSS scheme used in glibc.
 893
 894 * There is a new malloc debugging hook `__memalign_hook'.
 895
 896 * There are new typedefs `ushort' for `unsigned short int' and `uint' for
 897   `unsigned int' in <sys/types.h>.  These are for compatibility only and
 898   their use is discouraged.
 899
 900 * The `-lmcheck' library to enable standard malloc debugging hooks is now
 901   done differently, so that it works even without GNU ld.
 902
 903 * New function `euidaccess' checks allowed access to a file like `access',
 904   but using the effective IDs instead of the real IDs.
 905
 906 * The time zone data files have been updated for the latest and greatest
 907   local time conventions of the countries of the world.
 908
 909 * The new function `dirfd' extracts the file descriptor used by a DIR stream;
 910   see <dirent.h>.
 911
 912 * The new functions `ecvt', `fcvt', and `gcvt' provide an obsolete interface
 913   for formatting floating-point numbers.  They are provided only for
 914   compatibility; new programs should use `sprintf' instead.  There are
 915   also equivalent function for the `long double' floating-point type and
 916   all functions also exist in a reentrant form.
 917
 918 * The new auxiliary library `-lutil' from 4.4 BSD contains various
 919   functions for maintaining the login-record files (primarily of use to
 920   system programs such as `login'), and convenient functions for
 921   allocating and initializing a pseudo-terminal (pty) device.
 922
 923 * Ulrich Drepper has contributed new support for System V style
 924   shared memory and IPC on systems that support it.
 925
 926 * Ulrich Drepper has contributed several miscellaneous new functions found
 927   in System V: The `hsearch' family of functions provide an effective
 928   implementation of hash tables; `a64l' and `l64a' provide a very simple
 929   binary to ASCII mapping; `drand48' and friends provide a 48-bit random
 930   number generator.
 931
 932 * Ulrich Drepper has contributed new reentrant counterparts for the
 933   `random' and `hsearch' families of functions; `random_r', `hsearch_r', etc.
 934
 935 * Ulrich Drepper has contributed new, highly-optimized versions of several
 936   string functions for the i486/Pentium family of processors.
 937
 938 * Ulrich Drepper has updated the Linux-specific code, based largely
 939   on work done in Hongjiu Lu's version of GNU libc for Linux.
 940   The GNU library now supports Linux versions 2.0.10 and later,
 941   using the ELF object file format (i[3456]86-*-linux).
 942
 943 * Andreas Schwab has ported the C library to Linux/m68k (m68k-*-linux).
 944
 945 * David Mosberger-Tang and Richard Henderson have ported the C library
 946   to Linux/Alpha (alpha-*-linux).  Richard Henderson contributed the
 947   dynamic linking support for ELF/Alpha.
 948
 949 * Richard Henderson contributed several Alpha optimized assembler function
 950   for arithmetic and string handling.
 951
 952 * Ulrich Drepper has contributed a new set of message catalog functions to
 953   support multiple languages using the <libintl.h> interface, for use with
 954   his new package GNU gettext.  Translation volunteers have contributed
 955   catalogs of the library's messages in Spanish, German, and Korean.
 956
 957 * For compatibility with XPG4, Ulrich Drepper has contributed the `gencat'
 958   program and the `catgets' function for reading the catalog files it
 959   creates.  (The <libintl.h> interface is preferred; we include the
 960   <nl_types.h> interface using `catgets' only for source compatibility with
 961   programs already written to use it.)
 962
 963 * New header file <values.h> gives SVID-compatible names for <limits.h>
 964   constants.
 965
 966 * Various new macros, declarations, and small header files for compatibility
 967   with 4.4 BSD.
 968
 969 * New function `group_member' is a convenient way to check if a process has
 970   a given effective group ID.
 971
 972 * When using GCC 2.7 and later, the socket functions are now declared in a
 973   special way so that passing an argument of type `struct sockaddr_in *',
 974   `struct sockaddr_ns *', or `struct sockaddr_un *' instead of the generic
 975   `struct sockaddr *' type, does not generate a type-clash warning.
 976
 977 * New function `error' declared in header file <error.h> is a convenient
 978   function for printing error messages and optionally exiting; this is the
 979   canonical function used in GNU programs.  The new functions `err', `warn',
 980   and friends in header file <err.h> are the canonical 4.4 BSD interface for
 981   doing the same thing.
 982
 983 * The <glob.h> interface has several new flags from 4.4 BSD that extend the
 984   POSIX.2 `glob' function to do ~ and {...} expansion.
 985
 986 * New function `unsetenv' complements `setenv' for compatibility with 4.4 BSD.
 987   `clearenv' which is used in POSIX.9 is also available.
 988
 989 * New function `getsid' returns session ID number on systems that support it.
 990
 991 * We have incorporated the 4.4 BSD `db' library (version 1.85).  New header
 992   files <db.h> and <mpool.h> provide a rich set of functions for several
 993   types of simple databases stored in memory and in files, and <ndbm.h> is
 994   an old `ndbm'-compatible interface using the `db' functions.  Link with
 995   `-ldb' to get these functions.
 996
 997 * New macro `strdupa' copies a string like `strdup', but uses local stack
 998   space from `alloca' instead of dynamic heap space from `malloc'.
 999
1000 * New function `strnlen' is like `strlen' but searches only a given maximum
1001   number of characters for the null terminator.  `stpncpy', `strndup' and
1002   `strndupa' are similar variants for the `stpcpy', `strdup' and `strdupa'
1003   function.
1004
1005 * New function `statfs' in header <sys/statfs.h>.
1006
1007 * The new <argz.h> and <envz.h> interfaces contributed by Miles Bader
1008   provide convenient functions for operating on blocks of null-terminated
1009   strings.
1010
1011 * A new suite of functions in <utmp.h> handle all the details of reading
1012   and writing the utmp file.
1013
1014 * An implementation of the NIS/YP(tm) based NSS service was contributed by
1015   Thorsten Kukuk.
1016
1017 * Paul Eggert and Ulrich Drepper modified the `strftime' function to be
1018   completely POSIX compliant and also implemented the extended functionality
1019   to handle alternate digit representation and alternate era date formats.
1020
1021 * Ulrich Drepper provided an implementation of the `strptime' function
1022   defined in XPG4.2 which transforms a string into a `struct tm' value.
1023
1024 * Paul Eggert provided the tzselect shell script as part of the timezone
1025   code.  The shell script makes it easy to select the correct timezone
1026   specification.
1027
1028 * The implementation of the malloc family of functions is completely replaced
1029   by a new implementation by Doug Lea with many improvements by Wolfram Gloger.
1030   The implementation uses the mmap function (if available) and it is
1031   optimized for the use in multi threaded programs.
1032
1033 * Ulrich Drepper contributed a MD5 "encryption" for the crypt family of
1034   functions.  This new functionality is usable by specifying a special
1035   salt string and it is compatible with implementation on *BSD systems.
1036
1037 * Lots of functions from the XPG4.2 standard were added by Ulrich Drepper:
1038   `getsubopt' to handle second level command line options, `bsd_signal'
1039   to access BSD style `signal' functionality, the obsolete `regexp' style
1040   expression matcher.
1041
1042 * the `lchown' function is available on system which support this
1043   functionality.
1044
1045 * The implementation of the shadow password handling function was contributed
1046   by Ulrich Drepper.
1047
1048 * David Mosberger-Tang changed the SunRPC implementation to be 64bit safe.
1049
1050 * POSIX.1g support was added.  The <sys/select.h> header is available,
1051   `isfdtype' and `pselect' are implemented.  Craig Metz contributed an
1052   implementation of `getaddrinfo'.
1053 \f
1054 Version 1.09
1055
1056 * For cross-compilation you should now set `BUILD_CC' instead of `HOST_CC'.
1057
1058 * New header file <fstab.h> and new functions `getfsspec', `getfsent' and
1059   friends, for parsing /etc/fstab.  This code comes from 4.4 BSD.
1060
1061 * The new function `daemon' from 4.4 BSD is useful for server programs that
1062   want to put themselves in the background.
1063
1064 * Joel Sherrill has contributed support for several standalone boards that
1065   run without an operating system.
1066
1067 * `printf', `scanf' and friends now accept a `q' type modifier for long
1068   long int as well as `ll'.  Formats using these might be `%qu' or `%lld'.
1069
1070 * All of the code taken from BSD (notably most of the math and networking
1071   routines) has been updated from the BSD 4.4-Lite release.
1072
1073 * The resolver code has been updated from the BIND-4.9.3-BETA9 release.
1074
1075 * The new functions `getdomainname' and `setdomainname' fetch or change the
1076   YP/NIS domain name.  These are system calls which exist on systems which
1077   have YP (aka NIS).
1078
1079 * The time zone data files have been updated for the latest international
1080   conventions.
1081
1082 * The SunRPC programs `portmap' and `rpcinfo' are now installed in
1083   $(sbindir) (usually /usr/local/sbin) instead of $(bindir).
1084 \f
1085 Version 1.08
1086
1087 * The C library now includes support for Sun RPC, from Sun's free
1088   RPCSRC-4.0 distribution.  The `portmap', `rpcinfo', and `rpcgen' programs
1089   are included.  (There is still no support for YP.)
1090
1091 * Tom Quinn has contributed a port of the C library to SGI machines running
1092   Irix 4 (mips-sgi-irix4).
1093
1094 * The new `lockf' function is a simplified interface to the locking
1095   facilities of `fcntl', included for compatibility.
1096
1097 * New time functions `timegm', `timelocal', and `dysize' for compatibility.
1098
1099 * New header file <sys/timeb.h> and new function `ftime' for compatibility.
1100
1101 * New header files <poll.h> and <sys/poll.h> and new function `poll' for
1102   compatibility.
1103
1104 * The error message printed by `assert' for a failed assertion now includes
1105   the name of the program (if using GNU ld) and the name of the calling
1106   function (with versions of GCC that support this).
1107
1108 * The `psignal' function is now declared in <signal.h>, not <stdio.h>.
1109
1110 * The library now includes the <sys/mman.h> header file and memory
1111   management functions `mmap', `munmap', `mprotect', `msync', and
1112   `madvise', on systems that support those facilities.
1113
1114 * The interface for `mcheck' has changed slightly: the function called to
1115   abort the program when an allocation inconsistency is detected now takes
1116   an argument that indicates the type of failure.  The new function
1117   `mprobe' lets you request a consistency check for a particular block at
1118   any time (checks are normally done only when you call `free' or `realloc'
1119   on a block).
1120
1121 * It is now possible to easily cross-compile the C library, building on one
1122   system a library to run on another machine and/or operating system.  All
1123   you need to do is set the variable `HOST_CC' in `configparms' to the
1124   native compiler for programs to run on the machine you are building on (a
1125   few generator programs are used on Unix systems); set `CC' to the
1126   cross-compiler.
1127
1128 * The new function `fexecve' (only implemented on the GNU system) executes
1129   a program file given a file descriptor already open on the file.
1130 \f
1131 Version 1.07
1132
1133 * Brendan Kehoe has contributed most of a port to the DEC Alpha
1134   running OSF/1 (alpha-dec-osf1).  He says it is 75% complete.
1135
1136 * You can set the variable `libprefix' in `configparms' to specify a prefix
1137   to be prepended to installed library files; this makes it easy to install
1138   the GNU C library to be linked as `-lgnuc' or whatever.
1139
1140 * The new `stpncpy' is a cross between `stpcpy' and `strncpy': It
1141   copies a limited number of characters from a string, and returns the
1142   address of the last character written.
1143
1144 * You no longer need to check for whether the installed `stddef.h' is
1145   compatible with the GNU C library.  configure now checks for you.
1146
1147 * You can now define a per-stream `fileno' function to convert the
1148   stream's cookie into an integral file descriptor.
1149
1150 * ``malloc (0)'' no longer returns a null pointer.  Instead, it
1151   allocates zero bytes of storage, and returns a unique pointer which
1152   you can pass to `realloc' or `free'.  The behavior is undefined if
1153   you dereference this pointer.
1154
1155 * The C library now runs on Sony NEWS m68k machines running either
1156   NewsOS 3 or NewsOS 4.
1157
1158 * The new `syscall' function is a system-dependent primitive function
1159   for invoking system calls.  It has the canonical behavior on Unix
1160   systems, including unreliable return values for some calls (such as
1161   `pipe', `fork' and `getppid').
1162
1163 * The error code `EWOULDBLOCK' is now obsolete; it is always defined
1164   to `EAGAIN', which is the preferred name.  On systems whose kernels
1165   use two distinct codes, the C library now translates EWOULDBLOCK to
1166   EAGAIN in every system call function.
1167 \f
1168 Version 1.06
1169
1170 * The GNU C Library Reference Manual is now distributed with the library.
1171   `make dvi' will produce a DVI file of the printed manual.
1172   `make info' will produce Info files that you can read on line using C-h i
1173   in Emacs or the `info' program.
1174   Please send comments on the manual to bug-glibc-manual@gnu.org.
1175
1176 * The library now supports SVR4 on i386s (i386-unknown-sysv4).
1177
1178 * Brendan Kehoe has contributed a port to Sun SPARCs running Solaris 2.
1179
1180 * Jason Merrill has contributed a port to the Sequent Symmetry running
1181   Dynix version 3 (i386-sequent-dynix).
1182
1183 * The library has been ported to i386s running SCO 3.2.4 (also known as SCO
1184   ODT 2.0; i386-unknown-sco3.2.4) or SCO 3.2 (i386-unknown-sco3.2).
1185
1186 * New function `memory_warnings' lets you arrange to get warnings when
1187   malloc is running out of memory to allocate, like Emacs gives you.
1188
1189 * The C library now contains the relocating allocator used in Emacs 19 for
1190   its editing buffers.  This allocator (ralloc) minimizes allocation
1191   overhead and fragmentation by moving allocated regions around whenever it
1192   needs to.  You always refer to a ralloc'd region with a "handle" (a
1193   pointer to a pointer--an object of type `void **').
1194
1195 * There is a new `printf' format: `%m' gives you the string corresponding
1196   to the error code in `errno'.
1197
1198 * In `scanf' formats, you can now use `%as' or `%a[' to do the normal `%s'
1199   or `%[' conversion, but instead of filling in a fixed-sized buffer you
1200   pass, the `a' modifier says to fill in a `char **' you pass with a
1201   malloc'd string.
1202
1203 * The `fnmatch' function supports the new flag bits `FNM_LEADING_DIR' and
1204   `FNM_CASEFOLD'.  `FNM_LEADING_DIR' lets a pattern like `foo*' match a
1205   name like `foo/bar'.  `FNM_CASEFOLD' says to ignore case in matching.
1206
1207 * `mkstemp' is a traditional Unix function to atomically create and open a
1208   uniquely-named temporary file.
1209 \f
1210 Version 1.05
1211
1212 * The standard location for the file that says what the local timezone is
1213   has changed again.  It is now `/usr/local/etc/localtime' (or more
1214   precisely, `${prefix}/etc/localtime') rather than `/etc/localtime'.
1215
1216 * The distribution no longer contains any files with names longer than 14
1217   characters.
1218
1219 * `struct ttyent' has two new flag bits: TTY_TRUSTED and TTY_CONSOLE.
1220   These are set by the new `trusted' and `console' keywords in `/etc/ttys'.
1221
1222 * New functions `ttyslot' and `syslog' from 4.4 BSD.
1223 \f
1224 Version 1.04
1225
1226 * The configuration process has changed quite a bit.  The `configure'
1227   script is now used just like the configuration scripts for other GNU
1228   packages.  The `sysdeps' directory hierarchy is much rearranged.
1229   The file `INSTALL' explains the new scheme in detail.
1230
1231 * The header files no longer need to be processed into ANSI C and
1232   traditional C versions.  There is just one set of files to install, and
1233   it will work with ANSI or old C compilers (including `gcc -traditional').
1234
1235 * Brendan Kehoe and Ian Lance Taylor have ported the library to the
1236   MIPS DECStation running Ultrix 4.
1237
1238 * The Sun 4 startup code (crt0) can now properly load SunOS 4 shared libraries.
1239   Tom Quinn contributed the initial code.  The GNU C library can NOT yet be
1240   made itself into a shared library.
1241
1242 * Yet further improved support for the i386, running 4.3 BSD-like systems
1243   (such as Mach 3 with the Unix single-server), or System V.
1244
1245 * New function `strncasecmp' to do case-insensitive string comparison
1246   with limited length.
1247
1248 * New function `strsep' is a reentrant alternative to `strtok'.
1249
1250 * New functions `scandir' and `alphasort' for searching directories.
1251
1252 * New function `setenv' is a better interface to `putenv'.
1253
1254 * Ian Lance Taylor has contributed an implementation of the SVID `ftw'
1255   function for traversing a directory tree.
1256
1257 * The GNU obstack package is now also part of the C library.
1258   The new function `open_obstack_stream' creates a stdio stream that
1259   writes onto an obstack; `obstack_printf' and `obstack_vprintf' do
1260   formatted output directly to an obstack.
1261
1262 * Miscellaneous new functions: reboot, nice, sigaltstack (4.4 BSD only),
1263   cfmakeraw, getusershell, getpass, swab, getttyent, seteuid, setegid.
1264
1265 * `FNM_FILE_NAME' is another name for `FNM_PATHNAME', used with `fnmatch'.
1266
1267 * The new functions `strfry' and `memfrob' do mysterious and wonderful
1268   things to your strings.
1269
1270 * There are some new test programs: test-fseek, testmb, and testrand.
1271
1272 * Some work has been done to begin porting the library to 4.4 BSD and Linux.
1273   These ports are not finished, but are a good starting place for really
1274   supporting those systems.
1275
1276 * `/etc/localtime' is now the standard location for the file that says what
1277   the local timezone is, rather than `/usr/local/lib/zoneinfo/localtime'.
1278   This follows the general principle that `/etc' is the place for all local
1279   configuration files.
1280
1281 * The C library header files now use `extern "C"' when used by the C++
1282   compiler, so the C library should now work with C++ code.
1283
1284 * The header file <bstring.h> is gone.  <string.h> now declares bcopy,
1285   bcmp, bzero, and ffs.  (Update: nowadays these functions are declared
1286   in <strings.h>.)
1287
1288 * Mike Haertel (of GNU e?grep and malloc fame) has written a new sorting
1289   function which uses the `merge sort' algorithm, and is said to be
1290   significantly faster than the old GNU `qsort' function.  Merge sort is
1291   now the standard `qsort' function.  The new algorithm can require a lot
1292   of temporary storage; so, the old sorting function is called when the
1293   required storage is not available.
1294
1295 * The C library now includes Michael Glad's Ultra Fast Crypt, which
1296   provides the Unix `crypt' function, plus some other entry points.
1297
1298 * The code and header files taken from 4.4 BSD have been updated with the
1299   latest files released from Berkeley.
1300 \f
1301 ----------------------------------------------------------------------
1302 Copyright information:
1303
1304 Copyright (C) 1992-1999, 2000 Free Software Foundation, Inc.
1305
1306    Permission is granted to anyone to make or distribute verbatim copies
1307    of this document as received, in any medium, provided that the
1308    copyright notice and this permission notice are preserved,
1309    thus giving the recipient permission to redistribute in turn.
1310
1311    Permission is granted to distribute modified versions
1312    of this document, or of portions of it,
1313    under the above conditions, provided also that they
1314    carry prominent notices stating who last changed them.
1315 \f
1316 Local variables:
1317 version-control: never
1318 end: