[1108] | 1 | /* |
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| 2 | * usleep |
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| 3 | * |
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| 4 | * Written by Donald Barnes <djb@redhat.com> for Red Hat, Inc. |
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| 5 | * |
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| 6 | * Copyright (c) 1997-2003 Red Hat, Inc. All rights reserved. |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or modify |
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| 9 | * it under the terms of the GNU General Public License, version 2, |
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| 10 | * as published by the Free Software Foundation. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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| 20 | * |
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| 21 | */ |
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| 22 | |
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| 23 | |
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| 24 | #include <unistd.h> |
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| 25 | #include <stdlib.h> |
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| 26 | #include <string.h> |
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| 27 | #include <stdio.h> |
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| 28 | |
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| 29 | #include "popt.h" |
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| 30 | |
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| 31 | int main(int argc, char **argv) { |
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| 32 | unsigned long count; |
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| 33 | poptContext optCon; |
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| 34 | int showVersion = 0; |
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| 35 | int showOot = 0; |
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| 36 | int rc; |
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| 37 | char * countStr = NULL; |
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| 38 | struct poptOption options[] = { |
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| 39 | { "version", 'v', POPT_ARG_NONE, &showVersion, 0, |
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| 40 | "Display the version of this program, and exit" }, |
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| 41 | { "oot", 'o', POPT_ARG_NONE, &showOot, 0, |
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| 42 | "oot says hey!" }, |
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| 43 | POPT_AUTOHELP |
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| 44 | { 0, 0, 0, 0, 0 } |
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| 45 | }; |
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| 46 | |
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| 47 | optCon = poptGetContext("usleep", argc, argv, options,0); |
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| 48 | /*poptReadDefaultConfig(optCon, 1);*/ |
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| 49 | poptSetOtherOptionHelp(optCon, "[microseconds]"); |
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| 50 | |
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| 51 | if ((rc = poptGetNextOpt(optCon)) < -1) { |
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| 52 | fprintf(stderr, "usleep: bad argument %s: %s\n", |
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| 53 | poptBadOption(optCon, POPT_BADOPTION_NOALIAS), |
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| 54 | poptStrerror(rc)); |
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| 55 | return 2; |
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| 56 | } |
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| 57 | |
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| 58 | if (showVersion) { |
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| 59 | printf("usleep version 1.2\n usleep --help for more info\n"); |
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| 60 | return 0; |
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| 61 | } |
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| 62 | |
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| 63 | if (showOot) { |
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| 64 | printf("oot says hey!\n"); |
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| 65 | return 0; |
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| 66 | } |
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| 67 | |
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| 68 | countStr = poptGetArg(optCon); |
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| 69 | |
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| 70 | if (countStr == NULL) count = 1; |
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| 71 | |
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| 72 | else if (countStr && poptGetArg(optCon)) { |
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| 73 | fprintf(stderr, "%s: exactly one argument (number of microseconds) " |
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| 74 | "must be used\n", argv[0]); |
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| 75 | return 2; |
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| 76 | } |
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| 77 | |
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| 78 | else count = strtoul(countStr, NULL, 0); |
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| 79 | |
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| 80 | usleep(count); |
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| 81 | return 0; |
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| 82 | } |
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