diff options
author | Eric Andersen <andersen@codepoet.org> | 1999-10-13 02:26:06 +0400 |
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committer | Eric Andersen <andersen@codepoet.org> | 1999-10-13 02:26:06 +0400 |
commit | 3cf52d19581b2077480e7d2e63010baa1f5399c1 (patch) | |
tree | d91b0cb332ebc976126e36a394655dde7a15d8b1 /sleep.c | |
parent | 2ce1edcf544ac675e6762c9861a6b918401ea716 (diff) |
More stuff...
Diffstat (limited to 'sleep.c')
-rw-r--r-- | sleep.c | 21 |
1 files changed, 13 insertions, 8 deletions
@@ -1,15 +1,20 @@ #include "internal.h" #include <stdio.h> -const char sleep_usage[] = "sleep seconds\n" -"\n" -"\tPause program execution for the given number of seconds.\n"; +const char sleep_usage[] = " NUMBER\n" +"Pause for NUMBER seconds.\n"; extern int -sleep_main(struct FileInfo * i, int argc, char * * argv) +sleep_main(int argc, char * * argv) { - if ( sleep(atoi(argv[1])) != 0 ) - return -1; - else - return 0; + if ( (argc < 2) || (**(argv+1) == '-') ) { + fprintf(stderr, "Usage: %s %s", *argv, sleep_usage); + exit(FALSE); + } + + if ( sleep(atoi(*(++argv))) != 0 ) { + perror( "sleep"); + exit (FALSE); + } else + exit (TRUE); } |