00001 /* 00002 * parse.c --- UUID parsing 00003 * 00004 * Copyright (C) 1996, 1997 Theodore Ts'o. 00005 * 00006 * %Begin-Header% 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 1. Redistributions of source code must retain the above copyright 00011 * notice, and the entire permission notice in its entirety, 00012 * including the disclaimer of warranties. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. The name of the author may not be used to endorse or promote 00017 * products derived from this software without specific prior 00018 * written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 00021 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00022 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 00023 * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00026 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 00027 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00029 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 00030 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 00031 * DAMAGE. 00032 * %End-Header% 00033 */ 00034 00035 #include <stdlib.h> 00036 #include <stdio.h> 00037 #include <ctype.h> 00038 #include <string.h> 00039 00040 #include "uuidP.h" 00041 00042 int uuid_parse(const char *in, uuid_t uu) 00043 { 00044 struct uuid uuid; 00045 int i; 00046 const char *cp; 00047 char buf[3]; 00048 00049 if (strlen(in) != 36) 00050 return -1; 00051 for (i=0, cp = in; i <= 36; i++,cp++) { 00052 if ((i == 8) || (i == 13) || (i == 18) || 00053 (i == 23)) { 00054 if (*cp == '-') 00055 continue; 00056 else 00057 return -1; 00058 } 00059 if (i== 36) 00060 if (*cp == 0) 00061 continue; 00062 if (!isxdigit(*cp)) 00063 return -1; 00064 } 00065 uuid.time_low = strtoul(in, NULL, 16); 00066 uuid.time_mid = strtoul(in+9, NULL, 16); 00067 uuid.time_hi_and_version = strtoul(in+14, NULL, 16); 00068 uuid.clock_seq = strtoul(in+19, NULL, 16); 00069 cp = in+24; 00070 buf[2] = 0; 00071 for (i=0; i < 6; i++) { 00072 buf[0] = *cp++; 00073 buf[1] = *cp++; 00074 uuid.node[i] = strtoul(buf, NULL, 16); 00075 } 00076 00077 uuid_pack(&uuid, uu); 00078 return 0; 00079 }