mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-17 10:30:20 +00:00
466618568d
2000-02-12 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/i386/msgctl.c (__new_msgctl): Move errno declaration to place where it's needed to avoid compiler warning. * sysdeps/unix/sysv/linux/i386/semctl.c (__new_semctl): Likewise. * locale/weightwc.h (findidx): Correct find index value.
125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 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 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. */
|
|
|
|
/* Find index of weight. */
|
|
static inline int32_t
|
|
findidx (const wint_t **cpp)
|
|
{
|
|
int_fast32_t i;
|
|
const wint_t *cp;
|
|
wint_t ch;
|
|
size_t idx;
|
|
size_t cnt = 0;
|
|
|
|
ch = *(*cpp)++;
|
|
idx = ch % size;
|
|
while (names[idx] != ch)
|
|
{
|
|
if (++cnt == layers)
|
|
/* We didn't find the name. It is case for UNDEFINED. */
|
|
return 0;
|
|
idx += size;
|
|
}
|
|
i = table[idx];
|
|
|
|
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. */
|
|
cp = &extra[-i];
|
|
while (1)
|
|
{
|
|
size_t nhere;
|
|
const wint_t *usrc = *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)
|
|
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)
|
|
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;
|
|
}
|