1 /* Search character in piece of UTF-8 string.
2 Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2002.
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU Library General Public License as published
7 by the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
25 #include "ucs4-utf8.h"
28 u8_chr (const uint8_t *s, size_t n, ucs4_t uc)
36 for (; n > 0; s++, n--)
43 switch (u8_uctomb_aux (c, uc, 6))
51 for (n--; n > 0; s++, n--)
53 if (*s == c0 && s[1] == c1)
66 for (n -= 2; n > 0; s++, n--)
68 if (*s == c0 && s[1] == c1 && s[2] == c2)
82 for (n -= 3; n > 0; s++, n--)
84 if (*s == c0 && s[1] == c1 && s[2] == c2 && s[3] == c3)