glibc/locale/weightwc.h

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/* Copyright (C) 1996-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Ulrich Drepper, <drepper@cygnus.com>.
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, see
<http://www.gnu.org/licenses/>. */
#ifndef _WEIGHTWC_H_
#define _WEIGHTWC_H_ 1
/* Find index of weight. */
static inline int32_t __attribute__ ((always_inline))
findidx (const int32_t *table,
const int32_t *indirect,
const wint_t *extra,
const wint_t **cpp, size_t len)
{
wint_t ch = *(*cpp)++;
int32_t i = __collidx_table_lookup ((const char *) table, ch);
if (i >= 0)
/* This is an index into the weight table. Cool. */
return i;
/* Oh well, more than one sequence starting with this byte.
Search for the correct one. */
* nss/nsswitch.c (__nss_lookup_function): Don't cast &ni->known to void **. * nss/nsswitch.h (service_user): Use void * type for KNOWN field. * nss/nss_files/files-hosts.c (LINE_PARSER): Cast host_addr to char * to avoid warning. * nis/nss_nis/nis-hosts.c (LINE_PARSER): Likewise. * timezone/Makefile (CFLAGS-zdump.c): Add -fwrapv. * locale/programs/ld-ctype.c (ctype_finish, set_class_defaults, allocate_arrays): Cast second argument to charmap_find_symbol to char * to avoid warnings. * locale/programs/repertoire.c (repertoire_new_char): Change from_nr, to_nr and cnt to unsigned long, adjust printf format string. * locale/programs/ld-collate.c (insert_value, handle_ellipsis): Cast second argument to new_element to char * to avoid warnings. * locale/weightwc.h (findidx): Cast &extra[-i] to const int32_t *. * intl/gettextP.h (struct loaded_domain): Change plural to const struct expression *. * intl/plural-eval.c (plural_eval): Change first argument to const struct expression *. * intl/plural-exp.c (EXTRACT_PLURAL_EXPRESSION): Change first argument to const struct expression **. * intl/plural-exp.h (EXTRACT_PLURAL_EXPRESSION, plural_eval): Adjust prototypes. * intl/loadmsgcat (_nl_unload_domain): Cast away const in call to __gettext_free_exp. * posix/fnmatch.c (fnmatch): Rearrange code to avoid maybe unitialized wstring/wpattern var warnings. * posix/runtests.c (struct a_test): Make data field const char *. * stdio-common/tst-sprintf2.c (main): Don't declere u, v and buf vars if not LDBL_MANT_DIG >= 106. * stdio-common/Makefile (CFLAGS-vfwprintf.c): Add -Wno-unitialized. * stdio-common/vfprintf.c (vfprintf): Cast first arugment to __find_specmb to avoid warning. * rt/tst-mqueue1.c (do_one_test): Add casts to avoid warnings. * debug/test-strcpy_chk.c (do_tests, do_random_tests): Add casts to avoid warnings. * sysdeps/ieee754/ldbl-96/s_roundl.c (huge): Add L suffix to initializer. * sysdeps/unix/clock_gettime.c (clock_gettime): Only define tv var when it will be actually used. * sunrpc/rpc_cmsg.c (xdr_callmsg): Cast IXDR_PUT_* to void to avoid warnings.
2007-07-28 20:36:21 +00:00
const int32_t *cp = (const int32_t *) &extra[-i];
--len;
while (1)
{
size_t nhere;
const int32_t *usrc = (const int32_t *) *cpp;
/* The first thing is the index. */
i = *cp++;
/* Next is the length of the byte sequence. These are always
short byte sequences so there is no reason to call any
function (even if they are inlined). */
nhere = *cp++;
if (i >= 0)
{
/* It is a single character. If it matches we found our
index. Note that at the end of each list there is an
entry of length zero which represents the single byte
sequence. The first (and here only) byte was tested
already. */
size_t cnt;
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
if (cnt == nhere)
{
/* Found it. */
*cpp += nhere;
return i;
}
/* Up to the next entry. */
cp += nhere;
}
else
{
/* This is a range of characters. First decide whether the
current byte sequence lies in the range. */
size_t cnt;
size_t offset;
for (cnt = 0; cnt < nhere - 1 && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
if (cnt < nhere - 1)
{
cp += 2 * nhere;
continue;
}
if (cp[nhere - 1] > usrc[nhere -1])
{
cp += 2 * nhere;
continue;
}
if (cp[2 * nhere - 1] < usrc[nhere -1])
{
cp += 2 * nhere;
continue;
}
/* This range matches the next characters. Now find
the offset in the indirect table. */
offset = usrc[nhere - 1] - cp[nhere - 1];
*cpp += nhere;
return indirect[-i + offset];
}
}
/* NOTREACHED */
return 0x43219876;
}
#endif /* weightwc.h */