Mercurial > hg
view mcabber/src/utf8.c @ 1438:c5d937d5530b
g_hash_table_get_keys() is only in glib >= 2.14
This patch replaces g_hash_table_get_keys() with a foreach loop.
author | Mikael Berthe <mikael@lilotux.net> |
---|---|
date | Mon, 25 Feb 2008 21:39:07 +0100 |
parents | a75f7a13df7b |
children |
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/* * utf8.c -- UTF-8 routines * * Copyright (C) 2006 Reimar Döffinger <Reimar.Doeffinger@stud.uni-karlsruhe.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ #include "utf8.h" char *prev_char(char *str, const char *limit) { if (str <= limit) return str; str--; if (utf8_mode) while ((str > limit) && ((*str & 0xc0) == 0x80)) str--; return str; } char *next_char(char *str) { if (!*str) return str; str++; if (utf8_mode) while ((*str & 0xc0) == 0x80) str++; return str; } unsigned get_char(const char *str) { unsigned char *strp = (unsigned char *)str; unsigned c = *strp++; unsigned mask = 0x80; int len = -1; if (!utf8_mode) return c; while (c & mask) { mask >>= 1; len++; } if (len <= 0 || len > 4) goto no_utf8; c &= mask - 1; while ((*strp & 0xc0) == 0x80) { if (len-- <= 0) goto no_utf8; c = (c << 6) | (*strp++ & 0x3f); } if (len) goto no_utf8; return c; no_utf8: return *str; } char *put_char(char *str, unsigned c) { int mask = 0xffffffc0; int i = 4; char code[5]; if (!utf8_mode || c < 128) { *str++ = c; return str; } while (c & mask) { code[i--] = 0x80 | (c & 0x3f); c >>= 6; mask >>= 1; if (i < 0) { *str++ = '?'; return str; } } code[i] = (mask << 1) | c; for (; i < 5; i++) *str++ = code[i]; return str; } /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */