| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000-2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS 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 DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| #include <stdio.h> /* for sprintf */ |
| |
| #include "apr.h" |
| #include "apr_uuid.h" |
| #include "apr_errno.h" |
| #include "apr_lib.h" |
| |
| |
| APU_DECLARE(void) apr_uuid_format(char *buffer, const apr_uuid_t *uuid) |
| { |
| const unsigned char *d = uuid->data; |
| |
| sprintf(buffer, |
| "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", |
| d[0], d[1], d[2], d[3], d[4], d[5], d[6], d[7], |
| d[8], d[9], d[10], d[11], d[12], d[13], d[14], d[15]); |
| } |
| |
| /* convert a pair of hex digits to an integer value [0,255] */ |
| static unsigned char parse_hexpair(const char *s) |
| { |
| int result; |
| int temp; |
| |
| result = s[0] - '0'; |
| if (result > 48) |
| result = (result - 39) << 4; |
| else if (result > 16) |
| result = (result - 7) << 4; |
| else |
| result = result << 4; |
| |
| temp = s[1] - '0'; |
| if (temp > 48) |
| result |= temp - 39; |
| else if (temp > 16) |
| result |= temp - 7; |
| else |
| result |= temp; |
| |
| return (unsigned char)result; |
| } |
| |
| APU_DECLARE(apr_status_t) apr_uuid_parse(apr_uuid_t *uuid, |
| const char *uuid_str) |
| { |
| int i; |
| unsigned char *d = uuid->data; |
| |
| for (i = 0; i < 36; ++i) { |
| char c = uuid_str[i]; |
| if (!apr_isxdigit(c) && |
| !(c == '-' && (i == 8 || i == 13 || i == 18 || i == 23))) |
| /* ### need a better value */ |
| return APR_BADARG; |
| } |
| if (uuid_str[36] != '\0') { |
| /* ### need a better value */ |
| return APR_BADARG; |
| } |
| |
| d[0] = parse_hexpair(&uuid_str[0]); |
| d[1] = parse_hexpair(&uuid_str[2]); |
| d[2] = parse_hexpair(&uuid_str[4]); |
| d[3] = parse_hexpair(&uuid_str[6]); |
| |
| d[4] = parse_hexpair(&uuid_str[9]); |
| d[5] = parse_hexpair(&uuid_str[11]); |
| |
| d[6] = parse_hexpair(&uuid_str[14]); |
| d[7] = parse_hexpair(&uuid_str[16]); |
| |
| d[8] = parse_hexpair(&uuid_str[19]); |
| d[9] = parse_hexpair(&uuid_str[21]); |
| |
| for (i = 6; i--;) |
| d[10 + i] = parse_hexpair(&uuid_str[i*2+24]); |
| |
| return APR_SUCCESS; |
| } |