| | 1 | /* |
| | 2 | * Copyright (c) 2002 Marcel Moolenaar |
| | 3 | * All rights reserved. |
| | 4 | * |
| | 5 | * Redistribution and use in source and binary forms, with or without |
| | 6 | * modification, are permitted provided that the following conditions |
| | 7 | * are met: |
| | 8 | * |
| | 9 | * 1. Redistributions of source code must retain the above copyright |
| | 10 | * notice, this list of conditions and the following disclaimer. |
| | 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 12 | * notice, this list of conditions and the following disclaimer in the |
| | 13 | * documentation and/or other materials provided with the distribution. |
| | 14 | * |
| | 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| | 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| | 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| | 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| | 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| | 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| | 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| | 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| | 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| | 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| | 25 | * |
| | 26 | * $FreeBSD: src/usr.bin/uuidgen/uuidgen.c,v 1.3 2003/03/15 02:27:10 marcel Exp $ |
| | 27 | */ |
| | 28 | |
| | 29 | #include <err.h> |
| | 30 | #include <stdio.h> |
| | 31 | #include <stdlib.h> |
| | 32 | #include <unistd.h> |
| | 33 | #include <uuid.h> |
| | 34 | |
| | 35 | static void |
| | 36 | usage(void) |
| | 37 | { |
| | 38 | (void)fprintf(stderr, "usage: uuidgen [-1] [-n count] [-o filename]\n"); |
| | 39 | exit(1); |
| | 40 | } |
| | 41 | |
| | 42 | int |
| | 43 | main(int argc, char *argv[]) |
| | 44 | { |
| | 45 | FILE *fp; |
| | 46 | uuid_t *store, *uuid; |
| | 47 | char *p; |
| | 48 | int ch, count, i, iterate; |
| | 49 | |
| | 50 | count = -1; /* no count yet */ |
| | 51 | fp = stdout; /* default output file */ |
| | 52 | iterate = 0; /* not one at a time */ |
| | 53 | while ((ch = getopt(argc, argv, "1n:o:")) != -1) |
| | 54 | switch (ch) { |
| | 55 | case '1': |
| | 56 | iterate = 1; |
| | 57 | break; |
| | 58 | case 'n': |
| | 59 | if (count > 0) |
| | 60 | usage(); |
| | 61 | count = strtol(optarg, &p, 10); |
| | 62 | if (*p != 0 || count < 1) |
| | 63 | usage(); |
| | 64 | break; |
| | 65 | case 'o': |
| | 66 | if (fp != stdout) |
| | 67 | errx(1, "multiple output files not allowed"); |
| | 68 | fp = fopen(optarg, "w"); |
| | 69 | if (fp == NULL) |
| | 70 | err(1, "fopen"); |
| | 71 | break; |
| | 72 | default: |
| | 73 | usage(); |
| | 74 | } |
| | 75 | argv += optind; |
| | 76 | argc -= optind; |
| | 77 | |
| | 78 | if (argc) |
| | 79 | usage(); |
| | 80 | |
| | 81 | if (count == -1) |
| | 82 | count = 1; |
| | 83 | |
| | 84 | store = (uuid_t*)malloc(sizeof(uuid_t) * count); |
| | 85 | if (store == NULL) |
| | 86 | err(1, "malloc()"); |
| | 87 | |
| | 88 | if (!iterate) { |
| | 89 | /* Get them all in a single batch */ |
| | 90 | if (uuidgen(store, count) != 0) |
| | 91 | err(1, "uuidgen()"); |
| | 92 | } else { |
| | 93 | uuid = store; |
| | 94 | for (i = 0; i < count; i++) { |
| | 95 | if (uuidgen(uuid++, 1) != 0) |
| | 96 | err(1, "uuidgen()"); |
| | 97 | } |
| | 98 | } |
| | 99 | |
| | 100 | uuid = store; |
| | 101 | while (count--) { |
| | 102 | uuid_to_string(uuid++, &p, NULL); |
| | 103 | fprintf(fp, "%s\n", p); |
| | 104 | free(p); |
| | 105 | } |
| | 106 | |
| | 107 | free(store); |
| | 108 | if (fp != stdout) |
| | 109 | fclose(fp); |
| | 110 | return (0); |
| | 111 | } |
nant's projects / dragonfly.git / blame_incremental