/* GLIB - Library of useful routines for C programming * Copyright (C) 2001 Matthias Clasen * * This 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 of the License, or (at your option) any later version. * * This 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 this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "glib.h" #define UNICODE_VALID(Char) \ ((Char) < 0x110000 && \ (((Char) & 0xFFFFF800) != 0xD800) && \ ((Char) < 0xFDD0 || (Char) > 0xFDEF) && \ ((Char) & 0xFFFE) != 0xFFFE) static gboolean any_failed = FALSE; struct { const gchar *text; gint max_len; gint offset; gboolean valid; } test[] = { /* some tests to check max_len handling */ /* length 1 */ { "abcde", -1, 5, TRUE }, { "abcde", 3, 3, TRUE }, { "abcde", 5, 5, TRUE }, { "abcde", 7, 5, FALSE }, /* length 2 */ { "\xc2\xa9\xc2\xa9\xc2\xa9", -1, 6, TRUE }, { "\xc2\xa9\xc2\xa9\xc2\xa9", 1, 0, FALSE }, { "\xc2\xa9\xc2\xa9\xc2\xa9", 2, 2, TRUE }, { "\xc2\xa9\xc2\xa9\xc2\xa9", 3, 2, FALSE }, { "\xc2\xa9\xc2\xa9\xc2\xa9", 4, 4, TRUE }, { "\xc2\xa9\xc2\xa9\xc2\xa9", 5, 4, FALSE }, { "\xc2\xa9\xc2\xa9\xc2\xa9", 6, 6, TRUE }, { "\xc2\xa9\xc2\xa9\xc2\xa9", 7, 6, FALSE }, /* length 3 */ { "\xe2\x89\xa0\xe2\x89\xa0", -1, 6, TRUE }, { "\xe2\x89\xa0\xe2\x89\xa0", 1, 0, FALSE }, { "\xe2\x89\xa0\xe2\x89\xa0", 2, 0, FALSE }, { "\xe2\x89\xa0\xe2\x89\xa0", 3, 3, TRUE }, { "\xe2\x89\xa0\xe2\x89\xa0", 4, 3, FALSE }, { "\xe2\x89\xa0\xe2\x89\xa0", 5, 3, FALSE }, { "\xe2\x89\xa0\xe2\x89\xa0", 6, 6, TRUE }, { "\xe2\x89\xa0\xe2\x89\xa0", 7, 6, FALSE }, /* examples from http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt */ /* greek 'kosme' */ { "\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5", -1, 11, TRUE }, /* first sequence of each length */ { "\x00", -1, 0, TRUE }, { "\xc2\x80", -1, 2, TRUE }, { "\xe0\xa0\x80", -1, 3, TRUE }, { "\xf0\x90\x80\x80", -1, 4, TRUE }, { "\xf8\x88\x80\x80\x80", -1, 0, FALSE }, { "\xfc\x84\x80\x80\x80\x80", -1, 0, FALSE }, /* last sequence of each length */ { "\x7f", -1, 1, TRUE }, { "\xdf\xbf", -1, 2, TRUE }, { "\xef\xbf\xbf", -1, 0, FALSE }, { "\xf7\xbf\xbf\xbf", -1, 0, FALSE }, { "\xfb\xbf\xbf\xbf\xbf", -1, 0, FALSE }, { "\xfd\xbf\xbf\xbf\xbf\xbf", -1, 0, FALSE }, /* other boundary conditions */ { "\xed\x9f\xbf", -1, 3, TRUE }, { "\xee\x80\x80", -1, 3, TRUE }, { "\xef\xbf\xbd", -1, 3, TRUE }, { "\xf4\x8f\xbf\xbf", -1, 0, FALSE }, { "\xf4\x90\x80\x80", -1, 0, FALSE }, /* malformed sequences */ /* continuation bytes */ { "\x80", -1, 0, FALSE }, { "\xbf", -1, 0, FALSE }, { "\x80\xbf", -1, 0, FALSE }, { "\x80\xbf\x80", -1, 0, FALSE }, { "\x80\xbf\x80\xbf", -1, 0, FALSE }, { "\x80\xbf\x80\xbf\x80", -1, 0, FALSE }, { "\x80\xbf\x80\xbf\x80\xbf", -1, 0, FALSE }, { "\x80\xbf\x80\xbf\x80\xbf\x80", -1, 0, FALSE }, /* all possible continuation byte */ { "\x80", -1, 0, FALSE }, { "\x81", -1, 0, FALSE }, { "\x82", -1, 0, FALSE }, { "\x83", -1, 0, FALSE }, { "\x84", -1, 0, FALSE }, { "\x85", -1, 0, FALSE }, { "\x86", -1, 0, FALSE }, { "\x87", -1, 0, FALSE }, { "\x88", -1, 0, FALSE }, { "\x89", -1, 0, FALSE }, { "\x8a", -1, 0, FALSE }, { "\x8b", -1, 0, FALSE }, { "\x8c", -1, 0, FALSE }, { "\x8d", -1, 0, FALSE }, { "\x8e", -1, 0, FALSE }, { "\x8f", -1, 0, FALSE }, { "\x90", -1, 0, FALSE }, { "\x91", -1, 0, FALSE }, { "\x92", -1, 0, FALSE }, { "\x93", -1, 0, FALSE }, { "\x94", -1, 0, FALSE }, { "\x95", -1, 0, FALSE }, { "\x96", -1, 0, FALSE }, { "\x97", -1, 0, FALSE }, { "\x98", -1, 0, FALSE }, { "\x99", -1, 0, FALSE }, { "\x9a", -1, 0, FALSE }, { "\x9b", -1, 0, FALSE }, { "\x9c", -1, 0, FALSE }, { "\x9d", -1, 0, FALSE }, { "\x9e", -1, 0, FALSE }, { "\x9f", -1, 0, FALSE }, { "\xa0", -1, 0, FALSE }, { "\xa1", -1, 0, FALSE }, { "\xa2", -1, 0, FALSE }, { "\xa3", -1, 0, FALSE }, { "\xa4", -1, 0, FALSE }, { "\xa5", -1, 0, FALSE }, { "\xa6", -1, 0, FALSE }, { "\xa7", -1, 0, FALSE }, { "\xa8", -1, 0, FALSE }, { "\xa9", -1, 0, FALSE }, { "\xaa", -1, 0, FALSE }, { "\xab", -1, 0, FALSE }, { "\xac", -1, 0, FALSE }, { "\xad", -1, 0, FALSE }, { "\xae", -1, 0, FALSE }, { "\xaf", -1, 0, FALSE }, { "\xb0", -1, 0, FALSE }, { "\xb1", -1, 0, FALSE }, { "\xb2", -1, 0, FALSE }, { "\xb3", -1, 0, FALSE }, { "\xb4", -1, 0, FALSE }, { "\xb5", -1, 0, FALSE }, { "\xb6", -1, 0, FALSE }, { "\xb7", -1, 0, FALSE }, { "\xb8", -1, 0, FALSE }, { "\xb9", -1, 0, FALSE }, { "\xba", -1, 0, FALSE }, { "\xbb", -1, 0, FALSE }, { "\xbc", -1, 0, FALSE }, { "\xbd", -1, 0, FALSE }, { "\xbe", -1, 0, FALSE }, { "\xbf", -1, 0, FALSE }, /* lone start characters */ { "\xc0\x20", -1, 0, FALSE }, { "\xc1\x20", -1, 0, FALSE }, { "\xc2\x20", -1, 0, FALSE }, { "\xc3\x20", -1, 0, FALSE }, { "\xc4\x20", -1, 0, FALSE }, { "\xc5\x20", -1, 0, FALSE }, { "\xc6\x20", -1, 0, FALSE }, { "\xc7\x20", -1, 0, FALSE }, { "\xc8\x20", -1, 0, FALSE }, { "\xc9\x20", -1, 0, FALSE }, { "\xca\x20", -1, 0, FALSE }, { "\xcb\x20", -1, 0, FALSE }, { "\xcc\x20", -1, 0, FALSE }, { "\xcd\x20", -1, 0, FALSE }, { "\xce\x20", -1, 0, FALSE }, { "\xcf\x20", -1, 0, FALSE }, { "\xd0\x20", -1, 0, FALSE }, { "\xd1\x20", -1, 0, FALSE }, { "\xd2\x20", -1, 0, FALSE }, { "\xd3\x20", -1, 0, FALSE }, { "\xd4\x20", -1, 0, FALSE }, { "\xd5\x20", -1, 0, FALSE }, { "\xd6\x20", -1, 0, FALSE }, { "\xd7\x20", -1, 0, FALSE }, { "\xd8\x20", -1, 0, FALSE }, { "\xd9\x20", -1, 0, FALSE }, { "\xda\x20", -1, 0, FALSE }, { "\xdb\x20", -1, 0, FALSE }, { "\xdc\x20", -1, 0, FALSE }, { "\xdd\x20", -1, 0, FALSE }, { "\xde\x20", -1, 0, FALSE }, { "\xdf\x20", -1, 0, FALSE }, { "\xe0\x20", -1, 0, FALSE }, { "\xe1\x20", -1, 0, FALSE }, { "\xe2\x20", -1, 0, FALSE }, { "\xe3\x20", -1, 0, FALSE }, { "\xe4\x20", -1, 0, FALSE }, { "\xe5\x20", -1, 0, FALSE }, { "\xe6\x20", -1, 0, FALSE }, { "\xe7\x20", -1, 0, FALSE }, { "\xe8\x20", -1, 0, FALSE }, { "\xe9\x20", -1, 0, FALSE }, { "\xea\x20", -1, 0, FALSE }, { "\xeb\x20", -1, 0, FALSE }, { "\xec\x20", -1, 0, FALSE }, { "\xed\x20", -1, 0, FALSE }, { "\xee\x20", -1, 0, FALSE }, { "\xef\x20", -1, 0, FALSE }, { "\xf0\x20", -1, 0, FALSE }, { "\xf1\x20", -1, 0, FALSE }, { "\xf2\x20", -1, 0, FALSE }, { "\xf3\x20", -1, 0, FALSE }, { "\xf4\x20", -1, 0, FALSE }, { "\xf5\x20", -1, 0, FALSE }, { "\xf6\x20", -1, 0, FALSE }, { "\xf7\x20", -1, 0, FALSE }, { "\xf8\x20", -1, 0, FALSE }, { "\xf9\x20", -1, 0, FALSE }, { "\xfa\x20", -1, 0, FALSE }, { "\xfb\x20", -1, 0, FALSE }, { "\xfc\x20", -1, 0, FALSE }, { "\xfd\x20", -1, 0, FALSE }, /* missing continuation bytes */ { "\x20\xc0", -1, 1, FALSE }, { "\x20\xe0\x80", -1, 1, FALSE }, { "\x20\xf0\x80\x80", -1, 1, FALSE }, { "\x20\xf8\x80\x80\x80", -1, 1, FALSE }, { "\x20\xfc\x80\x80\x80\x80", -1, 1, FALSE }, { "\x20\xdf", -1, 1, FALSE }, { "\x20\xef\xbf", -1, 1, FALSE }, { "\x20\xf7\xbf\xbf", -1, 1, FALSE }, { "\x20\xfb\xbf\xbf\xbf", -1, 1, FALSE }, { "\x20\xfd\xbf\xbf\xbf\xbf", -1, 1, FALSE }, /* impossible bytes */ { "\x20\xfe\x20", -1, 1, FALSE }, { "\x20\xff\x20", -1, 1, FALSE }, /* overlong sequences */ { "\x20\xc0\xaf\x20", -1, 1, FALSE }, { "\x20\xe0\x80\xaf\x20", -1, 1, FALSE }, { "\x20\xf0\x80\x80\xaf\x20", -1, 1, FALSE }, { "\x20\xf8\x80\x80\x80\xaf\x20", -1, 1, FALSE }, { "\x20\xfc\x80\x80\x80\x80\xaf\x20", -1, 1, FALSE }, { "\x20\xc1\xbf\x20", -1, 1, FALSE }, { "\x20\xe0\x9f\xbf\x20", -1, 1, FALSE }, { "\x20\xf0\x8f\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xf8\x87\xbf\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xfc\x83\xbf\xbf\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xc0\x80\x20", -1, 1, FALSE }, { "\x20\xe0\x80\x80\x20", -1, 1, FALSE }, { "\x20\xf0\x80\x80\x80\x20", -1, 1, FALSE }, { "\x20\xf8\x80\x80\x80\x80\x20", -1, 1, FALSE }, { "\x20\xfc\x80\x80\x80\x80\x80\x20", -1, 1, FALSE }, /* illegal code positions */ { "\x20\xed\xa0\x80\x20", -1, 1, FALSE }, { "\x20\xed\xad\xbf\x20", -1, 1, FALSE }, { "\x20\xed\xae\x80\x20", -1, 1, FALSE }, { "\x20\xed\xaf\xbf\x20", -1, 1, FALSE }, { "\x20\xed\xb0\x80\x20", -1, 1, FALSE }, { "\x20\xed\xbe\x80\x20", -1, 1, FALSE }, { "\x20\xed\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xed\xa0\x80\xed\xb0\x80\x20", -1, 1, FALSE }, { "\x20\xed\xa0\x80\xed\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xed\xad\xbf\xed\xb0\x80\x20", -1, 1, FALSE }, { "\x20\xed\xad\xbf\xed\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xed\xae\x80\xed\xb0\x80\x20", -1, 1, FALSE }, { "\x20\xed\xae\x80\xed\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xed\xaf\xbf\xed\xb0\x80\x20", -1, 1, FALSE }, { "\x20\xed\xaf\xbf\xed\xbf\xbf\x20", -1, 1, FALSE }, { "\x20\xef\xbf\xbe\x20", -1, 1, FALSE }, { "\x20\xef\xbf\xbf\x20", -1, 1, FALSE }, { NULL, } }; static void do_test (gint index, const gchar *text, gint max_len, gint offset, gboolean valid) { const gchar *end; gboolean result; result = g_utf8_validate (text, max_len, &end); if (result != valid || end - text != offset) { GString *str; const gchar *p; any_failed = TRUE; str = g_string_new (0); for (p = text; *p; p++) g_string_append_printf (str, "\\x%02hhx", *p); g_print ("%d: g_utf8_validate (\"%s\", %d) failed, " "expected %s %d, got %s %d\n", index, str->str, max_len, valid ? "TRUE" : "FALSE", offset, result ? "TRUE" : "FALSE", (gint) (end - text)); g_string_free (str, FALSE); } } int main (int argc, char *argv[]) { gint i; for (i = 0; test[i].text; i++) do_test (i, test[i].text, test[i].max_len, test[i].offset, test[i].valid); return any_failed ? 1 : 0; }