diff options
Diffstat (limited to 'release/src/router/busybox/coreutils/sleep.c')
| -rw-r--r-- | release/src/router/busybox/coreutils/sleep.c | 106 |
1 files changed, 62 insertions, 44 deletions
diff --git a/release/src/router/busybox/coreutils/sleep.c b/release/src/router/busybox/coreutils/sleep.c index 506192dd..de18dd0d 100644 --- a/release/src/router/busybox/coreutils/sleep.c +++ b/release/src/router/busybox/coreutils/sleep.c @@ -4,20 +4,7 @@ * * 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 - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ /* BB_AUDIT SUSv3 compliant */ @@ -31,56 +18,87 @@ * time suffixes for seconds, minutes, hours, and days. */ -#include <stdlib.h> -#include <limits.h> -#include <unistd.h> -#include "busybox.h" +#include "libbb.h" -#ifdef CONFIG_FEATURE_FANCY_SLEEP -static const struct suffix_mult sleep_suffixes[] = { +/* This is a NOFORK applet. Be very careful! */ + + +#if ENABLE_FEATURE_FANCY_SLEEP || ENABLE_FEATURE_FLOAT_SLEEP +static const struct suffix_mult sfx[] = { { "s", 1 }, { "m", 60 }, { "h", 60*60 }, { "d", 24*60*60 }, - { NULL, 0 } + { } }; #endif -extern int sleep_main(int argc, char **argv) +int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int sleep_main(int argc UNUSED_PARAM, char **argv) { - unsigned int duration; - -#ifdef CONFIG_FEATURE_FANCY_SLEEP +#if ENABLE_FEATURE_FLOAT_SLEEP + double duration; + struct timespec ts; +#else + unsigned duration; +#endif - if (argc < 2) { + ++argv; + if (!*argv) bb_show_usage(); - } - ++argv; +#if ENABLE_FEATURE_FLOAT_SLEEP + duration = 0; do { - duration += bb_xgetularg_bnd_sfx(*argv, 10, - 0, UINT_MAX-duration, - sleep_suffixes); + char *arg = *argv; + if (strchr(arg, '.')) { + double d; + int len = strspn(arg, "0123456789."); + char sv = arg[len]; + arg[len] = '\0'; + d = bb_strtod(arg, NULL); + if (errno) + bb_show_usage(); + arg[len] = sv; + len--; + sv = arg[len]; + arg[len] = '1'; + duration += d * xatoul_sfx(&arg[len], sfx); + arg[len] = sv; + } else + duration += xatoul_sfx(arg, sfx); } while (*++argv); -#else /* CONFIG_FEATURE_FANCY_SLEEP */ - - if (argc != 2) { - bb_show_usage(); + ts.tv_sec = MAXINT(typeof(ts.tv_sec)); + ts.tv_nsec = 0; + if (duration >= 0 && duration < ts.tv_sec) { + ts.tv_sec = duration; + ts.tv_nsec = (duration - ts.tv_sec) * 1000000000; } + do { + errno = 0; + nanosleep(&ts, &ts); + } while (errno == EINTR); -#if UINT_MAX == ULONG_MAX - duration = bb_xgetularg10(argv[1]); -#else - duration = bb_xgetularg10_bnd(argv[1], 0, UINT_MAX); -#endif +#elif ENABLE_FEATURE_FANCY_SLEEP + + duration = 0; + do { + duration += xatou_range_sfx(*argv, 0, UINT_MAX - duration, sfx); + } while (*++argv); + sleep(duration); -#endif /* CONFIG_FEATURE_FANCY_SLEEP */ +#else /* simple */ - if (sleep(duration)) { - bb_perror_nomsg_and_die(); - } + duration = xatou(*argv); + sleep(duration); + // Off. If it's really needed, provide example why + //if (sleep(duration)) { + // bb_perror_nomsg_and_die(); + //} + +#endif return EXIT_SUCCESS; } |