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author | Ulrich Drepper <drepper@redhat.com> | 2002-04-18 08:08:23 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2002-04-18 08:08:23 +0000 |
commit | a7b65cdc9aae6ccbb5f652fcbcb7f32129bd8299 (patch) | |
tree | fe4d18c845102a586d924eb933092cc83c5b90de /locale/hashval.h | |
parent | c77694049a23389267f9bb22135b393d824ba24c (diff) | |
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Update.
2002-04-18 Ulrich Drepper <drepper@redhat.com>
* locale/programs/locfile.c (to_archive): New variable. To collect
data which has to be added to the locale archive.
(write_all_categories): Take new third parameter with locale name.
Unless no_archive flag set add new locale data to the archive
(write_locale_data): Unless no-archive flag set store generated data
in to_archive data structure instead of generation output file.
Add new parameter with locale category index.
* locale/programs/locfile.h: Add new parameters in declaractions of
write_all_categories and write_locale_data.
* locale/programs/localedef.c: Recognize --no-archive, --list-archive,
--add-to-archive, and --delete-from-archive options. Pass extra
parameter to write_all_categories.
* locale/programs/localedef.h: Add prototypes for functions in
locarchive.c.
* locale/locarchive.h: New file.
* locale/programs/locarchive.c: New file.
* locale/Makefile (distribute): Add programs/locarchive.c and
locarchive.h.
(localedef-modules): Add md5 and locarchive.
Add vpath to crypt subdir for md5.c.
* locale/programs/ld-address.c: Pass locale category ID as new second
parameter to write_locale_data.
* locale/programs/ld-collate.c: Likewise.
* locale/programs/ld-ctype.c: Likewise.
* locale/programs/ld-identification.c: Likewise.
* locale/programs/ld-measurement.c: Likewise.
* locale/programs/ld-messages.c: Likewise.
* locale/programs/ld-monetary.c: Likewise.
* locale/programs/ld-name.c: Likewise.
* locale/programs/ld-numeric.c: Likewise.
* locale/programs/ld-paper.c: Likewise.
* locale/programs/ld-telephone.c: Likewise.
* locale/programs/ld-time.c: Likewise.
* locale/simple-hash.c: Move compute_hashval function from here...
* locale/hashval.h: ...to here. New file.
* locale/simple-hash.h: Add prototype for compute_hashval.
* include/libintl.h: Minor cleanups.
* elf/reldep7.c: New file.
* elf/reldep7mod1.c: New file.
* elf/reldep7mod2.c: New file.
* elf/Makefile: Add rules to build and run reldep7.
Diffstat (limited to 'locale/hashval.h')
-rw-r--r-- | locale/hashval.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/locale/hashval.h b/locale/hashval.h new file mode 100644 index 0000000000..15ec1244cf --- /dev/null +++ b/locale/hashval.h @@ -0,0 +1,41 @@ +/* Implement simple hashing table with string based keys. + Copyright (C) 1994-1997, 2000, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, October 1994. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +unsigned long +compute_hashval (key, keylen) + const void *key; + size_t keylen; +{ + size_t cnt; + unsigned long int hval; + + /* Compute the hash value for the given string. The algorithm + is taken from [Aho,Sethi,Ullman], modified to reduce the number of + collisions for short strings with very varied bit patterns. + See http://www.clisp.org/haible/hashfunc.html. */ + cnt = 0; + hval = keylen; + while (cnt < keylen) + { + hval = (hval << 9) | (hval >> (LONGBITS - 9)); + hval += (unsigned long int) *(((char *) key) + cnt++); + } + return hval != 0 ? hval : ~((unsigned long) 0); +} |