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author | Manuel Novoa III | 2003-03-19 09:13:01 +0000 |
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committer | Manuel Novoa III | 2003-03-19 09:13:01 +0000 |
commit | cad5364599eb5062d59e0c397ed638ddd61a8d5d (patch) | |
tree | a318d0f03aa076c74b576ea45dc543a5669e8e91 /coreutils/sleep.c | |
parent | e01f9662a5bd5d91be4f6b3941b57fff73cd5af1 (diff) | |
download | busybox-cad5364599eb5062d59e0c397ed638ddd61a8d5d.zip busybox-cad5364599eb5062d59e0c397ed638ddd61a8d5d.tar.gz |
Major coreutils update.
Diffstat (limited to 'coreutils/sleep.c')
-rw-r--r-- | coreutils/sleep.c | 65 |
1 files changed, 57 insertions, 8 deletions
diff --git a/coreutils/sleep.c b/coreutils/sleep.c index 7bc98d8..506192d 100644 --- a/coreutils/sleep.c +++ b/coreutils/sleep.c @@ -1,8 +1,8 @@ /* vi: set sw=4 ts=4: */ /* - * Mini sleep implementation for busybox + * sleep implementation for busybox * - * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>. + * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -20,18 +20,67 @@ * */ -#include <stdio.h> -#include <unistd.h> +/* 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 sleep_suffixes[] = { + { "s", 1 }, + { "m", 60 }, + { "h", 60*60 }, + { "d", 24*60*60 }, + { NULL, 0 } +}; +#endif + extern int sleep_main(int argc, char **argv) { - if ((argc < 2) || (**(argv + 1) == '-')) { - show_usage(); + unsigned int duration; + +#ifdef CONFIG_FEATURE_FANCY_SLEEP + + if (argc < 2) { + bb_show_usage(); + } + + ++argv; + duration = 0; + do { + duration += bb_xgetularg_bnd_sfx(*argv, 10, + 0, UINT_MAX-duration, + sleep_suffixes); + } while (*++argv); + +#else /* CONFIG_FEATURE_FANCY_SLEEP */ + + if (argc != 2) { + bb_show_usage(); + } + +#if UINT_MAX == ULONG_MAX + duration = bb_xgetularg10(argv[1]); +#else + duration = bb_xgetularg10_bnd(argv[1], 0, UINT_MAX); +#endif + +#endif /* CONFIG_FEATURE_FANCY_SLEEP */ + + if (sleep(duration)) { + bb_perror_nomsg_and_die(); } - if (sleep(atoi(*(++argv))) != 0) - perror_msg_and_die("sleep"); return EXIT_SUCCESS; } |