No longer needed.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12373 a95241bf-73f2-0310-859d-f6bbb57e9c96
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Axel Dörfler
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/*
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** Copyright (c) 2004 OBOS
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** Permission is hereby granted, free of charge, to any person obtaining a copy
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** of this software and associated documentation files (the "Software"), to deal
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** in the Software without restriction, including without limitation the rights
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** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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** copies of the Software, and to permit persons to whom the Software is
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** furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in all
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** copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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** SOFTWARE.
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <getopt.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <OS.h>
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const bigtime_t microsPerSecond=1000000;
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static bigtime_t process_arg(char *fromString);
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static void warn_invalid(char *invalidArg);
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static void usage(void);
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static void version(void);
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char *progName;
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static bigtime_t
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process_arg(char *fromString)
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{
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bigtime_t microSeconds=0;
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bool endOfString=false;
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int i=0;
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while (i<20 && !endOfString) // Any more than 5 digits is ridiculous, but 20 is possible...
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switch (fromString[i++]) {
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case '0': microSeconds*=10;break;
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case '1': microSeconds=10*microSeconds+1;break;
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case '2': microSeconds=10*microSeconds+2;break;
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case '3': microSeconds=10*microSeconds+3;break;
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case '4': microSeconds=10*microSeconds+4;break;
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case '5': microSeconds=10*microSeconds+5;break;
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case '6': microSeconds=10*microSeconds+6;break;
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case '7': microSeconds=10*microSeconds+7;break;
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case '8': microSeconds=10*microSeconds+8;break;
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case '9': microSeconds=10*microSeconds+9;break;
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case 'u': case 'U': endOfString=true; break;
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case 'i': case 'I': microSeconds*=1000; endOfString=true;break;
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case 's': case 'S': case '\0': microSeconds*=microsPerSecond; endOfString=true; break;
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case 'm': case 'M': microSeconds*= (60*microsPerSecond);endOfString=true; break;
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case 'h': case 'H': microSeconds*= (3600*microsPerSecond);endOfString=true; break;
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case 'd': case 'D': microSeconds*= (86400*microsPerSecond);endOfString=true; break;
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}
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if (fromString[i-1]!='\0' && fromString[i]!='\0')
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warn_invalid(fromString);
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return (microSeconds);
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}
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static void
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warn_invalid(char *invalidArg)
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{
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fprintf(stderr, "%s: invalid time interval `%s'\n", progName, invalidArg);
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fprintf(stdout, "Try `%s --help' for more information.\n", progName);
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exit(1);
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}
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void
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usage(void)
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{
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fprintf(stderr,
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"%s OBOS (http://www.openbeos.org/)
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Usage: %s [OPTION]... NUMBER[SUFFIX]
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SUFFIX may be:
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u microseconds
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i milliseconds
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s seconds (default if no SUFFIX given)
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m minutes
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h hours
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d days
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--help display this help and exit
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--version output version information and exit
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Pause for NUMBER seconds.
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", progName, progName );
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}
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void
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version(void)
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{
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fprintf(stderr, "%s OBOS (http://www.openbeos.org/)\n", progName);
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}
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int
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main(int argc, char *argv[])
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{
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int argOption;
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int indexptr = 0;
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char * const * optargv = argv;
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bigtime_t sleepTotal = 0; // in microseconds actually.
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struct option options[] = {
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{ "help", no_argument, NULL, 1 },
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{ "version", no_argument, NULL, 2 },
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{ NULL,0,NULL,0}
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};
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progName = argv[0];
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while ((argOption = getopt_long(argc, optargv, "", options, &indexptr)) != -1) {
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switch (argOption) {
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case 1: // help
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usage();
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break;
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case 2: // version
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version();
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break;
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default: // Should not be possible to get here!
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fprintf (stderr,"HUGE problems with getopt_long!\n");
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exit(1);
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break;
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}
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exit(0);
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}
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if (argc - optind > 0) {
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for ( int i=optind; i<argc; i++ )
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if ((argv[i][0] >= '0') && (argv[i][0] <= '9'))
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sleepTotal += process_arg(argv[i]);
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else
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warn_invalid(argv[optind]);
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snooze(sleepTotal);
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}
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else
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usage();
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return B_NO_ERROR;
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}
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