/* vi: set sw=4 ts=4: */ /* * sleep implementation for busybox * * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ /* BB_AUDIT SUSv3 compliant */ /* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */ /* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */ /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) * * Rewritten to do proper arg and error checking. * Also, added a 'fancy' configuration to accept multiple args with * time suffixes for seconds, minutes, hours, and days. */ #include <stdlib.h> #include <limits.h> #include <unistd.h> #include "busybox.h" #ifdef CONFIG_FEATURE_FANCY_SLEEP static const struct suffix_mult sfx[] = { { "s", 1 }, { "m", 60 }, { "h", 60*60 }, { "d", 24*60*60 }, { NULL, 0 } }; #endif int sleep_main(int argc, char **argv) { unsigned int duration; #ifdef CONFIG_FEATURE_FANCY_SLEEP if (argc < 2) { bb_show_usage(); } ++argv; duration = 0; do { duration += xatoul_range_sfx(*argv, 0, UINT_MAX-duration, sfx); } while (*++argv); #else /* CONFIG_FEATURE_FANCY_SLEEP */ if (argc != 2) { bb_show_usage(); } duration = xatou(argv[1]); #endif /* CONFIG_FEATURE_FANCY_SLEEP */ if (sleep(duration)) { bb_perror_nomsg_and_die(); } return EXIT_SUCCESS; }