73561cc75a
Various fixes, cleanups and shrinkage: saves 952 Bytes: text data bss dec hex filename 1087742 15853 790632 1894227 1ce753 ../busybox/busybox.old 1086790 15853 790632 1893275 1ce39b busybox via: # scripts/bloat-o-meter ../busybox/busybox_unstripped.old busybox_unstripped function old new delta ipcrm_main 756 822 +66 getval - 61 +61 maybe_set_utc - 40 +40 udhcpc_main 2896 2912 +16 md5_hash_block 428 437 +9 opt 8 16 +8 qgravechar 106 110 +4 make_bitmap 292 295 +3 inflate_unzip 2056 2059 +3 add_partition 1412 1414 +2 __parsespent 156 158 +2 qrealloc 41 42 +1 format - 1 +1 catv_main 313 314 +1 watch_main 293 292 -1 varunset 81 80 -1 part 1 - -1 check_if_skip 837 836 -1 start_stop_daemon_main 840 837 -3 create_lost_and_found 175 172 -3 supress_non_delimited_lines 4 - -4 static.l 4 - -4 static.c 5 1 -4 bsd_sum_file 237 233 -4 eval2 338 332 -6 arithmetic_common 166 158 -8 cmpfunc 22 5 -17 cksum_main 294 275 -19 cmp_main 465 439 -26 dd_main 1535 1508 -27 rmmod_main 376 333 -43 cut_file 727 644 -83 ipcs_main 3809 3721 -88 cut_main 722 614 -108 date_main 1443 1263 -180 remove_ids 222 - -222 ------------------------------------------------------------------------------ (add/remove: 3/4 grow/shrink: 11/18 up/down: 217/-853) Total: -636 bytes
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini watch implementation for busybox
|
|
*
|
|
* Copyright (C) 2001 by Michael Habermann <mhabermann@gmx.de>
|
|
* Copyrigjt (C) Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
/* BB_AUDIT SUSv3 N/A */
|
|
/* BB_AUDIT GNU defects -- only option -n is supported. */
|
|
|
|
#include "busybox.h"
|
|
|
|
|
|
int watch_main(int argc, char **argv)
|
|
{
|
|
int width, len;
|
|
unsigned period = 2;
|
|
char **watched_argv, *header;
|
|
|
|
if (argc < 2) bb_show_usage();
|
|
|
|
get_terminal_width_height(STDOUT_FILENO, &width, 0);
|
|
header = xzalloc(width--);
|
|
|
|
/* don't use getopt, because it permutes the arguments */
|
|
++argv;
|
|
if ((argc > 3) && argv[0][0] == '-' && argv[0][1] == 'n') {
|
|
period = bb_xgetularg10_bnd(argv[1], 1, UINT_MAX);
|
|
argv += 2;
|
|
}
|
|
watched_argv = argv;
|
|
|
|
/* create header */
|
|
len = snprintf(header, width, "Every %ds:", period);
|
|
while (*argv && len<width)
|
|
snprintf(header+len, width-len, " %s", *(argv++));
|
|
|
|
while (1) {
|
|
char *thyme;
|
|
time_t t;
|
|
|
|
time(&t);
|
|
thyme = ctime(&t);
|
|
len = strlen(thyme);
|
|
if (len < width)
|
|
header[width-len] = 0;
|
|
bb_printf("\033[H\033[J%s %s\n", header, thyme);
|
|
|
|
waitpid(xspawn(watched_argv),0,0);
|
|
sleep(period);
|
|
}
|
|
if (ENABLE_FEATURE_CLEAN_UP)
|
|
free(header);
|
|
}
|