Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * parse.c --- UUID parsing |
| 3 | */ |
| 4 | |
| 5 | #include <stdio.h> |
| 6 | |
| 7 | #include "uuidP.h" |
| 8 | |
| 9 | int uuid_parse(char *in, uuid_t uu) |
| 10 | { |
| 11 | struct uuid uuid; |
| 12 | int i; |
| 13 | char *cp, buf[3]; |
| 14 | |
| 15 | if (strlen(in) != 36) |
| 16 | return -1; |
| 17 | for (i=0, cp = in; i <= 36; i++,cp++) { |
| 18 | if ((i == 8) || (i == 13) || (i == 18) || |
| 19 | (i == 23)) |
| 20 | if (*cp == '-') |
| 21 | continue; |
| 22 | if (i== 36) |
| 23 | if (*cp == 0) |
| 24 | continue; |
| 25 | if (!isxdigit(*cp)) |
| 26 | return -1; |
| 27 | } |
| 28 | uuid.time_low = strtoul(in, NULL, 16); |
| 29 | uuid.time_mid = strtoul(in+9, NULL, 16); |
| 30 | uuid.time_hi_and_version = strtoul(in+14, NULL, 16); |
| 31 | uuid.clock_seq = strtoul(in+19, NULL, 16); |
| 32 | cp = in+24; |
| 33 | buf[2] = 0; |
| 34 | for (i=0; i < 6; i++) { |
| 35 | buf[0] = *cp++; |
| 36 | buf[1] = *cp++; |
| 37 | uuid.node[i] = strtoul(buf, NULL, 16); |
| 38 | } |
| 39 | |
| 40 | uuid_pack(&uuid, uu); |
| 41 | return 0; |
| 42 | } |