| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * 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 <pj/guid.h> |
| #include <pj/string.h> |
| #include <pj/sock.h> |
| #include <windows.h> |
| #include <objbase.h> |
| #include <pj/os.h> |
| |
| |
| PJ_DEF_DATA(const unsigned) PJ_GUID_STRING_LENGTH=32; |
| |
| PJ_DEF(unsigned) pj_GUID_STRING_LENGTH() |
| { |
| return PJ_GUID_STRING_LENGTH; |
| } |
| |
| PJ_INLINE(void) hex2digit(unsigned value, char *p) |
| { |
| static char hex[] = {'0', '1', '2', '3', '4', '5', '6', '7', |
| '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; |
| *p++ = hex[ (value & 0xF0) >> 4 ]; |
| *p++ = hex[ (value & 0x0F) ]; |
| } |
| |
| static void guid_to_str( GUID *guid, pj_str_t *str ) |
| { |
| unsigned i; |
| const unsigned char *src = (const unsigned char*)guid; |
| char *dst = str->ptr; |
| |
| guid->Data1 = pj_ntohl(guid->Data1); |
| guid->Data2 = pj_ntohs(guid->Data2); |
| guid->Data3 = pj_ntohs(guid->Data3); |
| |
| for (i=0; i<16; ++i) { |
| hex2digit( *src, dst ); |
| dst += 2; |
| ++src; |
| } |
| str->slen = 32; |
| } |
| |
| |
| PJ_DEF(pj_str_t*) pj_generate_unique_string(pj_str_t *str) |
| { |
| GUID guid; |
| |
| PJ_CHECK_STACK(); |
| |
| CoCreateGuid(&guid); |
| guid_to_str( &guid, str ); |
| return str; |
| } |
| |