From 1fb05e3db1891142410bc58c320dfe281749fffe Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 19 Feb 1997 04:43:53 +0000 Subject: update from main archive 970218 1997-02-19 03:28 Miles Bader * argp/argp-help.c: Add support for user provided filter of help messages. * argp/argp-parse.c: Likewise. * argp/argp.h: Likewise. * argp/argp-namefrob.h: Define __argp_input. * argp/argp-test.c: Add example for filter. 1997-02-19 02:58 Ulrich Drepper * argp.h: New file. * locale/programs/locale.c: Switch to use argp. * errno.h: Make it possible to get definition of error_t even after having errno.h already. * elf/dl-hash.h: New file. ELF hashing function. Extracted from dl-lookup.c. * elf/dl-lookup.c (_dl_elf_hash): Remove definition. * elf/dl-load.c: Rename _dl_does_name_match_p to _dl_name_match_p. * elf/dl-version.c: Likewise. * elf/dl-lookup.c: Implement new versioning lookup scheme. * elf/dl-version.c (_dl_check_map_versions): Initialize new field in l_versions member. * elf/dlvsym.c: Correct call of _dl_lookup_versioned_symbol_skip and _dl_lookup_versioned_symbol. * elf/link.h: Rename hash_name_pair to struct r_found_version. * sysdeps/alpha/dl-machine.h: Likewise. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/m68k/dl-machine.h: Likewise. * sysdeps/mips/dl-machine.h: Likewise. * intl/l10nflist.c: (_nl_make_l10nflist): Fix bug in computation of length of abs_filename. * locale/Makefile (CPPFLAGS): Define LOCALE_ALIAS_PATH. * locale/programs/ld-monetary.c (monetary_add): Allow value 0 in mon_grouping information. This means no more grouping. * locale/programs/ld-numeric.c (numeric_add): Write value \377 when seein value 0 in grouping information. * locale/programs/linereader.c (lr_close): Don't free fname since it might be used in error messages. * locale/programs/locale.c: Check whether output of `locale -a' really is locale directory. Also print locale aliases. * misc/search.h (__action_fn_t): Parameters VALUE and LEVEL cannot be const. 1997-02-19 02:16 Ulrich Drepper * sysdeps/unix/bsd/sun/sunos4/resourcebits.h: Correct #defin to #define. Reported by Rick Flower . 1997-02-19 01:37 Erik Troan * shadow/sgetspent_r.c: Accept empty third, fourth and fifth fields. 1997-02-19 01:02 Ulrich Drepper * sysdeps/unix/mman/syscalls.list: msync takes 3 arguments. Reported by Andreas Jaeger . * sysdeps/stub/msync.c (msync): Add missing third parameter. 1997-02-19 00:29 Ulrich Drepper * sysdeps/unix/bsd/sigsuspend.c: Call __sigpause with needed additional argument. 1997-02-18 22:13 Ulrich Drepper * inet/net/ethernet.h: New file. * sysdeps/unix/sysv/linux/netinet/if_ether.c: Add BSD compatibility. * sysdeps/unix/sysv/linux/net/if_slip.h: New file. Contributed by a sun . * sysdeps/unix/sysv/linux/net/if_arp.h: Include . * sunrpc/rpc/rpc_msg.h: Include . Reported by a sun . 1997-02-16 14:25 Andreas Schwab * Makerules ((common-objpfx)distinfo-$(subdir)): Depend on sysdep makefiles which may change the distinfo variables. 1997-02-16 14:03 Andreas Schwab * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [$(subdir)=misc]: Add sys/quota.h. (sysdep_headers) [$(subdir)=inet]: Add netinet/udp.h. 1997-02-17 13:12 aleph1@dfw.net * sunrpc/clnt_simp.c (callrpc): Prevent buffer overflow by using strncpy. 1997-02-18 03:28 Ulrich Drepper * stdio-common/bug10.c (main): Correct parameter. 1997-02-17 02:51 Ulrich Drepper * malloc/obstack.h: Add `extern "C"' protection. * posix/regex.h: Likewise. * io/ftw.h: Likewise. * misc/libgen.h: Likewise. * login/utmp.h: Likewise. * sysdeps/unix/sysv/linux/sys/reboot.h: Likewise. * sysdeps/unix/sysv/linux/netinet/in.h: Likewise. * sunrpc/rpc/pmap_rmt.h: Likewise. * sunrpc/rpc/auth_des.h: Likewise. * elf/link.h: Likewise. Reported by HJ Lu. 1997-02-17 01:45 a sun Linux specific network headers. * sysdeps/unix/sysv/linux/netinet/if_fddi.h: New file. * sysdeps/unix/sysv/linux/netinet/if_tr.h: New file. * sysdeps/unix/sysv/linux/netinet/ip_icmp.h: New file. * sysdeps/unix/sysv/linux/netinet/ip_fw.h: New file. * sysdeps/unix/sysv/linux/netinet/igmp.h: New file. * sysdeps/unix/sysv/linux/netinet/icmp.h: New file. * sysdeps/unix/sysv/linux/netinet/ip.h: New file. * sysdeps/unix/sysv/linux/netinet/tcp.h: New file. * sysdeps/unix/sysv/linux/netipx/ipx.h: New file. * sysdeps/unix/sysv/linux/netatalk/atalk.h: New file. * sysdeps/unix/sysv/linux/Dist: Add new network headers. * sysdeps/unix/sysv/linux/Makefile [$(subdir)=misc] (sysdep_headers): Add sys/quota.h. [$(subdir)=inet] (sysdep_headers): Add new network header. * sysdeps/unix/sysv/linux/netinet/udp.h: Add Linux specific changes. * inet/netinet/ip.h: Move to sysdeps/generic. * inet/netinet/tcp.h: Likewise. * sysdeps/generic/netinet/ip.h: Moved to here from inet/netinet. * sysdeps/generic/netinet/tcp.h: Likewise. 1997-02-17 01:18 Ulrich Drepper * misc/sys/syslog.h (prioritynames): Correct definition to use braces where necessary. (facilitynames): Likewise. Patch by Ronald F. Guilmette . Comment and beautify declarations. 1997-02-16 19:54 1997 Philip Blundell * inet/Makefile (routines): Add in6_addr, getnameinfo. * inet/getnameinfo.c: New file. Implementation of getnameinfo() by Craig Metz. * inet/in6_addr.c: New file. IPv6 addressing constants. * posix/Makefile (routines): Add gai_strerror. * resolv/netdb.h: Add more constants for IPv6 basic API. * sysdeps/posix/gai_strerror.c: New file. * sysdeps/stub/gai_strerror.c New file. * sysdeps/unix/sysv/linux/netinet/in.h: Add definitions for IPv6 basic API. * sysdeps/posix/getaddrinfo.c: Update from latest version by Craig Metz and use reentrant getXXbyYY functions. 1997-02-15 14:32 Andreas Jaeger * argp/argp.h: Declare argp_program_version as const char. * argp/argp-test.c: Likewise * stdlib/testrand.c (main): Declare main prototype. * stdlib/testdiv.c (main): Likewise. * string/testcopy.c (main): Likewise. * string/test-ffs.c (main): Likewise. * time/test_time.c (main): Likewise. * locale/duplocale.c (__duplocale): Return result. 1997-02-16 03:54 Ulrich Drepper * sysdeps/unix/sysv/linux/netinet/in.h: Declare bindresvport. Reported by fabsoft@fabserver1.zarm.uni-bremen.de. * nss/nss.h: Remove declaration of __nss_shlib_revision. * nss/nsswitch.c: Don't use NSS_SHLIB_VERSION macro. 1997-02-16 03:48 Thorsten Kukuk * nis/nss_nis/nis-ethers.c (_nss_nis_getethernam_r): Rename to _nss_nis_gethostton_r. (_nss_nis_getetherbyaddr_r): Rename to _nss_nis_getntohost_r. 1997-02-15 22:37 Andy Berkheimer * resolv/gethnamaddr.c (gethostbyname2): Test for ':' in name before trying to resolv name as numeric IPv6 address. * nss/digits_dots.c: Likewise. Sat Feb 15 04:51:08 1997 Ulrich Drepper * locale/setlocale.c (setlocale): Don't try to be clever about unused locales. When the existence of the locale files isn't tested the result of setlocale might be different. 1997-02-15 03:34 Ulrich Drepper * locale/setlocale.c (setlocale): Don't increment usage_count of new locale if it already has the value MAX_USAGE_COUNT (it might be the C locale data which is read-only). --- elf/dl-hash.h | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 elf/dl-hash.h (limited to 'elf/dl-hash.h') diff --git a/elf/dl-hash.h b/elf/dl-hash.h new file mode 100644 index 0000000000..007f192a23 --- /dev/null +++ b/elf/dl-hash.h @@ -0,0 +1,69 @@ +/* Compute hash alue for given string according to ELF standard. + Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _DL_HASH_H +#define _DL_HASH_H 1 + + +/* This is the hashing function specified by the ELF ABI. In the + first five operations now overflow is possible so we optimized it a + bit. */ +static inline unsigned +_dl_elf_hash (const char *name) +{ + unsigned long int hash = 0; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + if (*name != '\0') + { + hash = (hash << 4) + *name++; + while (*name != '\0') + { + unsigned long int hi; + hash = (hash << 4) + *name++; + hi = hash & 0xf0000000; + if (hi != 0) + { + hash ^= hi >> 24; + /* The ELF ABI says `hash &= ~hi', but + this is equivalent in this case and + on some machines one insn instead of + two. */ + hash ^= hi; + } + } + } + } + } + } + } + return hash; +} + +#endif /* dl-hash.h */ -- cgit 1.4.1