81 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * parse.c --- UUID parsing
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|  *
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|  * Copyright (C) 1996, 1997 Theodore Ts'o.
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|  *
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|  * %Begin-Header%
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, and the entire permission notice in its entirety,
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|  *    including the disclaimer of warranties.
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|  * 2. Redistributions in binary form must reproduce the above copyright
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|  *    notice, this list of conditions and the following disclaimer in the
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|  *    documentation and/or other materials provided with the distribution.
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|  * 3. The name of the author may not be used to endorse or promote
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|  *    products derived from this software without specific prior
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|  *    written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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|  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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|  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
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|  * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
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|  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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|  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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|  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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|  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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|  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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|  * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
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|  * DAMAGE.
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|  * %End-Header%
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|  */
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| 
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| #include "config.h"
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| #include <stdlib.h>
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| #include <stdio.h>
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| #include <ctype.h>
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| #include <string.h>
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| 
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| #include "uuidP.h"
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| 
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| int uuid_parse(const char *in, uuid_t uu)
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| {
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| 	struct uuid	uuid;
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| 	int 		i;
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| 	const char	*cp;
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| 	char		buf[3];
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| 
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| 	if (strlen(in) != 36)
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| 		return -1;
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| 	for (i=0, cp = in; i <= 36; i++,cp++) {
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| 		if ((i == 8) || (i == 13) || (i == 18) ||
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| 		    (i == 23)) {
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| 			if (*cp == '-')
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| 				continue;
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| 			else
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| 				return -1;
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| 		}
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| 		if (i== 36)
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| 			if (*cp == 0)
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| 				continue;
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| 		if (!isxdigit(*cp))
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| 			return -1;
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| 	}
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| 	uuid.time_low = strtoul(in, NULL, 16);
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| 	uuid.time_mid = strtoul(in+9, NULL, 16);
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| 	uuid.time_hi_and_version = strtoul(in+14, NULL, 16);
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| 	uuid.clock_seq = strtoul(in+19, NULL, 16);
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| 	cp = in+24;
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| 	buf[2] = 0;
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| 	for (i=0; i < 6; i++) {
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| 		buf[0] = *cp++;
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| 		buf[1] = *cp++;
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| 		uuid.node[i] = strtoul(buf, NULL, 16);
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| 	}
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| 
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| 	uuid_pack(&uuid, uu);
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| 	return 0;
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| }
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