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Diffstat (limited to 'contrib/idn/idnkit-1.0-src/lib/util.c')
| -rw-r--r-- | contrib/idn/idnkit-1.0-src/lib/util.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/contrib/idn/idnkit-1.0-src/lib/util.c b/contrib/idn/idnkit-1.0-src/lib/util.c new file mode 100644 index 0000000..a2d315a --- /dev/null +++ b/contrib/idn/idnkit-1.0-src/lib/util.c @@ -0,0 +1,162 @@ +#ifndef lint +static char *rcsid = "$Id: util.c,v 1.1.1.1 2003/06/04 00:26:45 marka Exp $"; +#endif + +/* + * Copyright (c) 2000,2002 Japan Network Information Center. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set forth bellow. + * + * LICENSE TERMS AND CONDITIONS + * + * The following License Terms and Conditions apply, unless a different + * license is obtained from Japan Network Information Center ("JPNIC"), + * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda, + * Chiyoda-ku, Tokyo 101-0047, Japan. + * + * 1. Use, Modification and Redistribution (including distribution of any + * modified or derived work) in source and/or binary forms is permitted + * under this License Terms and Conditions. + * + * 2. Redistribution of source code must retain the copyright notices as they + * appear in each source code file, this License Terms and Conditions. + * + * 3. Redistribution in binary form must reproduce the Copyright Notice, + * this License Terms and Conditions, in the documentation and/or other + * materials provided with the distribution. For the purposes of binary + * distribution the "Copyright Notice" refers to the following language: + * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved." + * + * 4. The name of JPNIC may not be used to endorse or promote products + * derived from this Software without specific prior written approval of + * JPNIC. + * + * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + */ + +#include <config.h> + +#ifdef WIN32 +#include <windows.h> +#undef ERROR +#endif + +#include <stddef.h> + +#include <idn/assert.h> +#include <idn/result.h> +#include <idn/logmacro.h> +#include <idn/util.h> +#include <idn/ucs4.h> + +#ifdef WIN32 +#define IDNKEY_IDNKIT "Software\\JPNIC\\IDN" +#endif + +/* + * ASCII ctype macros. + * Note that these macros evaluate the argument multiple times. Be careful. + */ +#define ASCII_ISDIGIT(c) \ + ('0' <= (c) && (c) <= '9') +#define ASCII_ISUPPER(c) \ + ('A' <= (c) && (c) <= 'Z') +#define ASCII_ISLOWER(c) \ + ('a' <= (c) && (c) <= 'z') +#define ASCII_ISALPHA(c) \ + (ASCII_ISUPPER(c) || ASCII_ISLOWER(c)) +#define ASCII_ISALNUM(c) \ + (ASCII_ISDIGIT(c) || ASCII_ISUPPER(c) || ASCII_ISLOWER(c)) + +#define ASCII_TOUPPER(c) \ + (('a' <= (c) && (c) <= 'z') ? ((c) - 'a' + 'A') : (c)) +#define ASCII_TOLOWER(c) \ + (('A' <= (c) && (c) <= 'Z') ? ((c) - 'A' + 'a') : (c)) + +int +idn__util_asciihaveaceprefix(const char *str, const char *prefix) { + assert(str != NULL && prefix != NULL); + + while (*prefix != '\0') { + if (ASCII_TOLOWER(*str) != ASCII_TOLOWER(*prefix)) + return 0; + str++; + prefix++; + } + + return (1); +} + +int +idn__util_ucs4haveaceprefix(const unsigned long *str, const char *prefix) { + assert(str != NULL && prefix != NULL); + + while (*prefix != '\0') { + if (ASCII_TOLOWER(*str) != ASCII_TOLOWER(*prefix)) + return 0; + str++; + prefix++; + } + + return (1); +} + +int +idn__util_ucs4isasciirange(const unsigned long *str) { + while (*str != '\0') { + if (*str > 0x7f) + return (0); + str++; + } + + return (1); +} + +#ifdef WIN32 +int +idn__util_getregistrystring(idn__util_hkey_t topkey, const char *name, + char *str, size_t length) +{ + HKEY top; + LONG stat; + HKEY hk; + DWORD len, type; + + assert((topkey == idn__util_hkey_currentuser || + topkey == idn__util_hkey_localmachine) && + name != NULL && str != NULL); + + if (topkey == idn__util_hkey_currentuser) { + top= HKEY_CURRENT_USER; + } else { /* idn__util_hkey_localmachine */ + top = HKEY_LOCAL_MACHINE; + } + + stat = RegOpenKeyEx(top, IDNKEY_IDNKIT, 0, KEY_READ, &hk); + if (stat != ERROR_SUCCESS) { + return (0); + } + + len = (DWORD)length; + stat = RegQueryValueEx(hk, (LPCTSTR)name, NULL, + &type, (LPBYTE)str, &len); + RegCloseKey(hk); + + if (stat != ERROR_SUCCESS || type != REG_SZ) { + return (0); + } + + return (1); +} +#endif /* WIN32 */ |