manual/contrib.texi

   1 @node Contributors, Free Manuals, Platform, Top
   2 @c %MENU% Who wrote what parts of the GNU C Library
   3 @appendix Contributors to @theglibc{}
   4
   5 @Theglibc{} project would like to thank its many contributors.
   6 Without them the project would not have been nearly as successful as
   7 it has been.  Any omissions in this list are accidental.  Feel free to
   8 file a bug in bugzilla if you have been left out or some of your
   9 contributions are not listed.  Please keep this list in alphabetical
  10 order.
  11
  12 @itemize @bullet
  13
  14 @item
  15 Nick Alcock for contributing fixes to allow @theglibc{} to be built with the
  16 stack smashing protector enabled.
  17
  18 @item
  19 John David Anglin for various fixes to the hppa port.
  20
  21 @item
  22 Ryan S. Arnold for his improvements for Linux on PowerPC and his direction
  23 as FSF Project Steward for @theglibc{}.
  24
  25 @item
  26 Miles Bader for writing the @code{argp} argument-parsing package, and the
  27 @code{argz}/@code{envz} interfaces.
  28
  29 @item
  30 Jeff Bailey for his maintainership of the HPPA architecture.
  31
  32 @item
  33 Petr Baudis for bug fixes and testing.
  34
  35 @item
  36 Stephen R. van den Berg for contributing a highly-optimized
  37 @code{strstr} function.
  38
  39 @item
  40 Ondrej Bilka for contributing optimized string routines for x64 and various
  41 fixes.
  42
  43 @item
  44 Eric Blake for adding O(n) implementations of @code{memmem},
  45 @code{strstr} and @code{strcasestr}.
  46
  47 @item
  48 Philip Blundell for the ports to Linux/ARM
  49 (@code{arm-@var{ANYTHING}-linuxaout}) and ARM standalone
  50 (@code{arm-@var{ANYTHING}-none}), as well as for parts of the IPv6
  51 support code.
  52
  53 @item
  54 Per Bothner for the implementation of the @code{libio} library which
  55 is used to implement @code{stdio} functions.
  56
  57 @item
  58 Mark Brown for his direction as part of @theglibc{} steering
  59 committee.
  60
  61 @item
  62 Thomas Bushnell for his contributions to Hurd.
  63
  64 @item
  65 Rogerio Alves Cardoso for various fixes to PowerPC.
  66
  67 @item
  68 Paul Clarke for optimized functions on PowerPC.
  69
  70 @item
  71 Palmer Dabbelt for contributing the port to Linux/RISC-V.
  72
  73 @item
  74 DJ Delorie for maintenance of Linux/RISC-V, and various fixes.
  75
  76 @item
  77 Wilco Dijkstra for various fixes.
  78
  79 @item
  80 Liubov Dmitrieva for optimized string and math functions on x86-64 and
  81 x86.
  82
  83 @item
  84 Ulrich Drepper for his many contributions in almost all parts of
  85 @theglibc{}, including:
  86 @itemize @bullet
  87 @item writing most of the POSIX Threads Library originally.
  88 @item internationalization support, including the @code{locale} and
  89 @code{localedef} utilities.
  90 @item Linux i386/ELF support
  91 @item the @code{hsearch} and @code{drand48} families of functions,
  92 reentrant @samp{@dots{}@code{_r}} versions of the @code{random}
  93 family; System V shared memory and IPC support code
  94 @item several highly-optimized string functions for i@var{x}86
  95 processors
  96 @item many math functions
  97 @item the character conversion functions (@code{iconv})
  98 @item the @code{ftw} and @code{nftw} functions
  99 @item the floating-point printing function used by @code{printf} and friends
 100 and the floating-point reading function used by @code{scanf},
 101 @code{strtod} and friends
 102 @item the @code{catgets} support and the entire suite of multi-byte
 103 and wide-character support functions (@file{wctype.h}, @file{wchar.h}, etc.).
 104 @item versioning of objects on the symbol level
 105 @end itemize
 106
 107 @item
 108 Wilco Dijkstra for various fixes.
 109
 110 @item
 111 Richard Earnshaw for continued support and fixes to the various ARM
 112 machine files.
 113
 114 @item
 115 Paul Eggert for the @code{mktime} function and for his direction as
 116 part of @theglibc{} steering committee.
 117
 118 @item
 119 Steve Ellcey for various fixes.
 120
 121 @item
 122 Mike FABIAN for automating Unicode updates, for updating the locale data
 123 for ISO 14651, for updating the library Unicode support, and for various
 124 locale updates and fixes.
 125
 126 @item
 127 Tulio Magno Quites Machado Filho for adding a new class of installed
 128 headers for low-level platform-specific functionality and one such for
 129 PowerPC and various fixes.
 130
 131 @item
 132 Mike Frysinger for his maintaining of the IA64 architecture and for
 133 testing and bug fixing.
 134
 135 @item
 136 Martin Galvan for contributing gdb pretty printer support to glibc and adding
 137 an initial set of pretty printers for structures in the POSIX Threads library.
 138
 139 @item
 140 Michael Glad for the passphrase-hashing function @code{crypt} and related
 141 functions.
 142
 143 @item
 144 Wolfram Gloger for contributing the memory allocation functions
 145 functions @code{malloc}, @code{realloc} and @code{free} and related
 146 code.
 147
 148 @item
 149 Gabriel F. T. Gomes for his improvements for Linux on PowerPC and for
 150 implementing the IEEE 128-bit floating point type for PowerPC.
 151
 152 @item
 153 Torbj@"orn Granlund for fast implementations of many of the string
 154 functions (@code{memcpy}, @code{strlen}, etc.).
 155
 156 @item
 157 Michael J. Haertel for writing the merge sort function @code{qsort}
 158 and malloc checking functions like @code{mcheck}.
 159
 160 @item
 161 Bruno Haible for his improvements to the @code{iconv} and locale
 162 implementations.
 163
 164 @item
 165 Richard Henderson for the port to Linux on Alpha
 166 (@code{alpha-@var{anything}-linux}) and software floating-point support.
 167
 168 @item
 169 David Holsgrove for the port to Linux on MicroBlaze.
 170
 171 @item
 172 Daniel Jacobowitz for various fixes and enhancements.
 173
 174 @item
 175 Andreas Jaeger for the port to Linux on x86-64
 176 (@code{x86_64-@var{anything}-linux} and his work on Linux for MIPS
 177 (@code{mips-@var{anything}-linux}), implementing the @file{ldconfig}
 178 program, providing a test suite for the math library and for his
 179 direction as part of @theglibc{} steering committee.
 180
 181 @item
 182 Aurelien Jarno for various fixes.
 183
 184 @item
 185 Rical Jasan for contributing various fixes in @theglibc{} manual.
 186
 187 @item
 188 Jakub Jelinek for implementing a number of checking functions,
 189 software floating-point support and for
 190 his direction as part of @theglibc{} steering committee.
 191
 192 @item
 193 Simon Josefsson for the @code{libidn} add-on.
 194
 195 @item
 196 Geoffrey Keating for the port to Linux on PowerPC
 197 (@code{powerpc-@var{anything}-linux}).
 198
 199 @item
 200 Brendan Kehoe for contributing the port to the MIPS DECStation running
 201 Ultrix 4 (@code{mips-dec-ultrix4}) and the port to the DEC Alpha
 202 running OSF/1 (@code{alpha-dec-osf1}).
 203
 204 @item
 205 Mark Kettenis for implementing the @code{utmpx} interface and a utmp
 206 daemon, and for a Hesiod NSS module.
 207
 208 @item
 209 Andi Kleen for implementing pthreads lock elision with TSX.
 210
 211 @item
 212 Kazumoto Kojima for the port of the Mach and Hurd code to the MIPS
 213 architecture (@code{mips-@var{anything}-gnu}) and for his work on the
 214 SH architecture.
 215
 216 @item
 217 Maxim Kuvyrkov for various fixes.
 218
 219 @item
 220 Andreas Krebbel for his work on Linux for s390 and s390x.
 221
 222 @item
 223 Thorsten Kukuk for providing an implementation for NIS (YP) and NIS+,
 224 securelevel 0, 1 and 2 and for the implementation for a caching daemon
 225 for NSS (@file{nscd}).
 226
 227 @item
 228 Akhilesh Kumar for various fixes to locales.
 229
 230 @item
 231 Jeff Law for various fixes.
 232
 233 @item
 234 Doug Lea for contributing the memory allocation functions
 235 @code{malloc}, @code{realloc} and @code{free} and related
 236 code.
 237
 238 @item
 239 Chris Leonard for various fixes and enhancements to localedata.
 240
 241 @item
 242 Stefan Liebler for various fixes.
 243
 244 @item
 245 Hongjiu Lu for providing the support for a Linux 32-bit runtime
 246 environment under x86-64 (x32), for porting to Linux on IA64, for
 247 improved string functions, a framework for testing IFUNC
 248 implementations, for implementing Intel Control-Flow Enforcement
 249 Technology, and many bug fixes.
 250
 251 @item
 252 Rafal Luzynski for contributing support for two grammatical forms of month
 253 names, and for various fixes to locales.
 254
 255 @item
 256 Luis Machado for optimized functions on PowerPC.
 257
 258 @item
 259 David J. MacKenzie for his contribution to the @code{getopt}
 260 function and writing the @file{tar.h} header.
 261
 262 @item
 263 Greg McGary for adding runtime support for bounds checking.
 264
 265 @item
 266 Roland McGrath for writing most of @theglibc{} originally, for his
 267 work on the Hurd port, his direction as part of @theglibc{} steering
 268 committee and as FSF Project Steward for @theglibc{}, and for many bug
 269 fixes and reviewing of contributions.
 270
 271 @item
 272 Allan McRae for various fixes.
 273
 274 @item
 275 Jason Merrill for the port to the Sequent Symmetry running Dynix
 276 version 3 (@code{i386-sequent-bsd}).
 277
 278 @item
 279 Chris Metcalf for the port to Linux/Tile
 280 (@code{tilegx-@var{anything}-linux} and
 281 @code{tilepro-@var{anything}-linux}) and support for the generic Linux
 282 kernel syscall interface used by several newer ports.
 283
 284 @item
 285 David Miller for contributing the port to Linux/Sparc
 286 (@code{sparc*-@var{anything}-linux}).
 287
 288 @item
 289 Alan Modra for his improvements for Linux on PowerPC.
 290
 291 @item
 292 David Mosberger-Tang for contributing the port to Linux/Alpha
 293 (@code{alpha-@var{anything}-linux}).
 294
 295 @item
 296 Wainer dos Santos Moschetta for various fixes to powerpc.
 297
 298 @item
 299 Stephen Moshier for implementing some 128-bit long double format math
 300 functions.
 301
 302 @item
 303 Stephen Munroe for his port to Linux on PowerPC64
 304 (@code{powerpc64-@var{anything}-linux}) and for adding optimized
 305 implementations for PowerPC.
 306
 307 @item
 308 Paul E. Murphy for various fixes on PowerPC and for implementing the IEEE
 309 128-bit floating point type for PowerPC.
 310
 311 @item
 312 Joseph S. Myers for numerous bug fixes for the libm functions, for
 313 his maintainership of the ARM and MIPS architectures and the math
 314 component, improving cross-compilation and cross-testing of
 315 @theglibc{}, expanded coverage of conformtest, merging the ports/
 316 subdirectory into the @glibcadj{} main repository and his direction as
 317 FSF Project Steward for @theglibc{}.
 318
 319 @item
 320 Marko Myllynen for various fixes.
 321
 322 @item
 323 Szabolcs Nagy for various fixes.
 324
 325 @item
 326 Will Newton for contributing some optimized string functions and pointer
 327 encryption support for ARM and various fixes.
 328
 329 @item
 330 Carlos O'Donell for his maintainership of the HPPA architecture, for
 331 maintaining @theglibc{} web pages and wiki, for his direction as FSF
 332 Project Steward for @theglibc{} and various bug fixes.
 333
 334 @item
 335 Alexandre Oliva for adding TLS descriptors for LD and GD on x86 and
 336 x86-64, for the am33 port, for completing the MIPS n64/n32/o32 multilib
 337 port, for thread-safety, async-signal safety and async-cancellation
 338 safety documentation in the manual, for his direction as FSF Project
 339 Maintainer and for various fixes.
 340
 341 @item
 342 Paul Pluzhnikov for various fixes.
 343
 344 @item
 345 Marek Polacek for various fixes.
 346
 347 @item
 348 Siddhesh Poyarekar for various fixes, an implementation of a framework for
 349 performance benchmarking of functions and implementing the tunables
 350 infrastructure.
 351
 352 @item
 353 Tom Quinn for contributing the startup code to support SunOS shared
 354 libraries and the port to SGI machines running Irix 4
 355 (@code{mips-sgi-irix4}).
 356
 357 @item
 358 Torvald Riegel for the implementation of new algorithms for semaphores,
 359 pthread_rwlock and condition variables.
 360
 361 @item
 362 Maciej W. Rozycki for MIPS fixes, support for ABSOLUTE symbols,
 363 and various fixes.
 364
 365 @item
 366 Pravin Satpute for writing sorting rules for some Indian languages.
 367
 368 @item
 369 Douglas C. Schmidt for writing the quick sort function used as a
 370 fallback by @code{qsort}.
 371
 372 @item
 373 Will Schmidt for optimized string functions on PowerPC.
 374
 375 @item
 376 Andreas Schwab for the port to Linux/m68k
 377 (@code{m68k-@var{anything}-linux}), for his direction as part of
 378 @theglibc{} steering committee, and for various bug fixes.
 379
 380 @item
 381 Martin Schwidefsky for porting to Linux on s390
 382 (@code{s390-@var{anything}-linux}) and s390x
 383 (@code{s390x-@var{anything}-linux}).
 384
 385 @item
 386 Thomas Schwinge for his contribution to Hurd and the SH architecture.
 387
 388 @item
 389 Andrew Senkevich for contributing vector math function implementations for x86.
 390
 391 @item
 392 Carlos Eduardo Seo for optimized functions on PowerPC.
 393
 394 @item
 395 Arjun Shankar for testing and bug fixing.
 396
 397 @item
 398 Marcus Shawcroft for contributing the AArch64 port.
 399
 400 @item
 401 Franz Sirl for various fixes.
 402
 403 @item
 404 Jes Sorensen for porting to Linux on IA64 (@code{ia64-@var{anything}-linux}).
 405
 406 @item
 407 Rajalakshmi Srinivasaraghavan for various fixes and optimizations on PowerPC
 408 and for implementing the IEEE 128-bit floating point type for PowerPC.
 409
 410 @item
 411 Richard Stallman for his contribution to the @code{getopt} function.
 412
 413 @item
 414 Alfred M. Szmidt for various fixes.
 415
 416 @item
 417 Chung-Lin Tang for contributing the Nios II port.
 418
 419 @item
 420 Ian Lance Taylor for contributing the port to the MIPS DECStation
 421 running Ultrix 4 (@code{mips-dec-ultrix4}).
 422
 423 @item
 424 Samuel Thibault for improving the Hurd port.
 425
 426 @item
 427 Pino Toscano for various fixes.
 428
 429 @item
 430 Tim Waugh for the implementation of the POSIX.2 @code{wordexp}
 431 function family.
 432
 433 @item
 434 Florian Weimer for his maintainership of the network component, for handling
 435 of security issues, and for various fixes.
 436
 437 @item
 438 Zack Weinberg for the @code{explicit_bzero} implementation and for various
 439 fixes.
 440
 441 @item
 442 Eric Youngdale for implementing versioning of objects on the symbol level.
 443
 444 @item
 445 Adhemerval Zanella for optimized functions on PowerPC, ISO C threads support
 446 and various fixes.
 447
 448 @end itemize
 449
 450 Some code in @theglibc{} comes from other projects and might be under
 451 a different license:
 452
 453 @itemize @bullet
 454 @item
 455 The timezone support code is derived from the public-domain timezone
 456 package by Arthur David Olson and his many contributors.
 457
 458 @item
 459 Some of the support code for Mach is taken from Mach 3.0 by CMU;
 460 the file @file{if_ppp.h} is also copyright by CMU, but under a different license;
 461 see the file @file{LICENSES} for the text of the licenses.
 462
 463 @item
 464 The random number generation functions @code{random}, @code{srandom},
 465 @code{setstate} and @code{initstate}, which are also the basis for the
 466 @code{rand} and @code{srand} functions, were written by Earl T. Cohen
 467 for the University of California at Berkeley and are copyrighted by the
 468 Regents of the University of California.  They have undergone minor
 469 changes to fit into @theglibc{} and to fit the @w{ISO C} standard,
 470 but the functional code is Berkeley's.@refill
 471
 472 @item
 473 The Internet-related code (most of the @file{inet} subdirectory) and
 474 several other miscellaneous functions and header files have been
 475 included from 4.4 BSD with little or no modification.  The copying
 476 permission notice for this code can be found in the file @file{LICENSES}
 477 in the source distribution.
 478
 479 @item
 480 The @code{getaddrinfo} and @code{getnameinfo} functions and supporting
 481 code were written by Craig Metz; see the file @file{LICENSES} for
 482 details on their licensing.
 483
 484 @item
 485 The DNS resolver code is taken directly from BIND 8.2.3-T5B, which
 486 includes copyrighted code from UC Berkeley and from Digital Equipment
 487 Corporation.  See the file @file{LICENSES} for the text of the DEC license.
 488
 489 @item
 490 The code to support Sun RPC is taken verbatim from Sun's
 491 @w{@sc{rpcsrc-4.0}} distribution; see the file @file{LICENSES} for the
 492 text of the license.
 493
 494 @item
 495 The math functions are taken from @code{fdlibm-5.1} by Sun
 496 Microsystems, as modified by J.T. Conklin, Ian Lance Taylor,
 497 Ulrich Drepper, Andreas Schwab, and Roland McGrath.
 498
 499 @item
 500 Many of the IEEE 64-bit double precision math functions
 501 (in the @file{sysdeps/ieee754/dbl-64} subdirectory) come
 502 from the IBM Accurate Mathematical Library, contributed by IBM.
 503
 504 @item
 505 Many of the IA64 math functions are taken from a collection of
 506 ``Highly Optimized Mathematical Functions for Itanium'' that Intel
 507 makes available under a free license; see the file @file{LICENSES} for
 508 details.
 509
 510 @end itemize