1 /* 2 * parse.c --- UUID parsing 3 * 4 * Copyright (C) 1996, 1997 Theodore Ts'o. 5 * 6 * %Begin-Header% 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, and the entire permission notice in its entirety, 12 * including the disclaimer of warranties. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote 17 * products derived from this software without specific prior 18 * written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 21 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 23 * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 27 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 30 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 31 * DAMAGE. 32 * %End-Header% 33 */ 34 35 #include <stdlib.h> 36 #include <stdio.h> 37 #include <ctype.h> 38 #include <string.h> 39 40 #include "uuidP.h" 41 42 int uuid_parse(const char *in, uuid_t uu) 43 { 44 struct uuid uuid; 45 int i; 46 const char *cp; 47 char buf[3]; 48 49 if (strlen(in) != 36) 50 return -1; 51 for (i=0, cp = in; i <= 36; i++,cp++) { 52 if ((i == 8) || (i == 13) || (i == 18) || 53 (i == 23)) { 54 if (*cp == '-') 55 continue; 56 else 57 return -1; 58 } 59 if (i== 36) 60 if (*cp == 0) 61 continue; 62 if (!isxdigit(*cp)) 63 return -1; 64 } 65 uuid.time_low = strtoul(in, NULL, 16); 66 uuid.time_mid = strtoul(in+9, NULL, 16); 67 uuid.time_hi_and_version = strtoul(in+14, NULL, 16); 68 uuid.clock_seq = strtoul(in+19, NULL, 16); 69 cp = in+24; 70 buf[2] = 0; 71 for (i=0; i < 6; i++) { 72 buf[0] = *cp++; 73 buf[1] = *cp++; 74 uuid.node[i] = strtoul(buf, NULL, 16); 75 } 76 77 uuid_pack(&uuid, uu); 78 return 0; 79 } 80
