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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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#include <stdio.h> /* for sprintf */
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#include "apr_errno.h"
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APU_DECLARE(void) apr_uuid_format(char *buffer, const apr_uuid_t *uuid)
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const unsigned char *d = uuid->data;
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"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
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d[0], d[1], d[2], d[3], d[4], d[5], d[6], d[7],
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d[8], d[9], d[10], d[11], d[12], d[13], d[14], d[15]);
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/* convert a pair of hex digits to an integer value [0,255] */
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static unsigned char parse_hexpair(const char *s)
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result = (result - 39) << 4;
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result = (result - 7) << 4;
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return (unsigned char)result;
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static unsigned char parse_hexpair(const char *s)
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result = (*s - '0') << 4;
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result = (*s - 'A' + 10) << 4;
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result = (*s - 'a' + 10) << 4;
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result |= (*s - 'A' + 10);
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result |= (*s - 'a' + 10);
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return (unsigned char)result;
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APU_DECLARE(apr_status_t) apr_uuid_parse(apr_uuid_t *uuid,
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unsigned char *d = uuid->data;
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for (i = 0; i < 36; ++i) {
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char c = uuid_str[i];
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if (!apr_isxdigit(c) &&
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!(c == '-' && (i == 8 || i == 13 || i == 18 || i == 23)))
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/* ### need a better value */
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if (uuid_str[36] != '\0') {
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/* ### need a better value */
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d[0] = parse_hexpair(&uuid_str[0]);
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d[1] = parse_hexpair(&uuid_str[2]);
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d[2] = parse_hexpair(&uuid_str[4]);
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d[3] = parse_hexpair(&uuid_str[6]);
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d[4] = parse_hexpair(&uuid_str[9]);
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d[5] = parse_hexpair(&uuid_str[11]);
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d[6] = parse_hexpair(&uuid_str[14]);
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d[7] = parse_hexpair(&uuid_str[16]);
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d[8] = parse_hexpair(&uuid_str[19]);
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d[9] = parse_hexpair(&uuid_str[21]);
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d[10 + i] = parse_hexpair(&uuid_str[i*2+24]);