Fork mongoclock and turn into a timer and stopwatch

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 0 insertions, 290 deletions

diff --git a/mongoclock.c b/mongoclock.c
deleted file mode 100644
index b98cc67..0000000
--- a/mongoclock.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include <sys/ioctl.h>
-#include <sys/timerfd.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#ifdef USE_ADJTIMEX
-# include <sys/timex.h>
-#endif
-
-#include "arg.h"
-
-#define DX 16
-#define DY 12
-#define DC 16
-
-#include "mongo_0.h"
-#include "mongo_1.h"
-#include "mongo_2.h"
-#include "mongo_3.h"
-#include "mongo_4.h"
-#include "mongo_5.h"
-#include "mongo_6.h"
-#include "mongo_7.h"
-#include "mongo_8.h"
-#include "mongo_9.h"
-#include "mongo_c.h"
-
-static const char **mongo_ds[] = {
-	mongo_0, mongo_1, mongo_2, mongo_3, mongo_4,
-	mongo_5, mongo_6, mongo_7, mongo_8, mongo_9
-};
-
-static volatile sig_atomic_t caught_sigterm = 0;
-static volatile sig_atomic_t caught_sigwinch = 1;
-
-char *argv0;
-
-static void
-usage(void)
-{
-	fprintf(stderr, "usage: %s\n", argv0);
-	exit(1);
-}
-
-static void
-sigterm(int signo)
-{
-	caught_sigterm = 1;
-	(void) signo;
-}
-
-static void
-sigwinch(int signo)
-{
-	caught_sigwinch = 1;
-	(void) signo;
-}
-
-static void
-print_time(const char ***str, size_t y, size_t x)
-{
-	size_t r, c;
-
-	fprintf(stdout, "\033[%zu;1H\033[1J", y + 1);
-
-	for (r = 0; r < DY; r++) {
-		fprintf(stdout, "\033[%zu;%zuH\033[1K", y + r + 1, x + 1);
-		for (c = 0; str[c]; c++)
-			fprintf(stdout, "%s", str[c][r]);
-		fprintf(stdout, "\033[0K");
-	}
-
-	fprintf(stdout, "\033[0J");
-	fflush(stdout);
-}
-
-static int
-display_time(int timerfd)
-{
-	const char **digits[9];
-	int small = 0;
-	uint64_t _overrun;
-	struct winsize winsize;
-	size_t x = 0, y = 0;
-	struct tm *now;
-#ifdef USE_ADJTIMEX
-	struct timex timex;
-	int r;
-#else
-	time_t now_;
-#endif
-
-#ifdef USE_ADJTIMEX
-	memset(&timex, 0, sizeof(timex));
-#endif
-
-	digits[8] = NULL;
-
-	while (!caught_sigterm) {
-		if (caught_sigwinch) {
-			if (ioctl(STDOUT_FILENO, (unsigned long)TIOCGWINSZ, &winsize) < 0) {
-				if (errno == EINTR)
-					continue;
-				goto fail;
-			}
-			caught_sigwinch = 0;
-			y = winsize.ws_row;
-			x = winsize.ws_col;
-			if      (y < DY)              small = 2;
-			else if (x < 4 * DX + DC)     small = 2;
-			else if (x < 6 * DX + 2 * DC) small = 1;
-			else                          small = 0;
-			y -= DY;
-			x -= 4 * DX + DC;
-			if (!small)
-				x -= 2 * DX + DC;
-			y /= 2;
-			x /= 2;
-		}
-
-		if (small == 2) {
-			fprintf(stdout, "\033[H\033[2J%s\n", "Screen is too small");
-			fflush(stdout);
-			pause();
-			continue;
-		}
-
-#ifdef USE_ADJTIMEX
-		r = adjtimex(&timex);
-		if (r == -1)
-			goto fail;
-		now = localtime(&timex.time.tv_sec);
-		if (now == NULL)
-			goto fail;
-		if (r == TIME_OOP)
-			now->tm_sec += 1;
-#else
-		now_ = time(NULL);
-		if (now_ == -1)
-			goto fail;
-		now = localtime(&now_);
-		if (now == NULL)
-			goto fail;
-#endif
-
-		digits[0] = mongo_ds[now->tm_hour / 10];
-		digits[1] = mongo_ds[now->tm_hour % 10];
-		digits[2] = mongo_c;
-		digits[3] = mongo_ds[now->tm_min / 10];
-		digits[4] = mongo_ds[now->tm_min % 10];
-		digits[5] = small ? NULL : mongo_c;
-		digits[6] = mongo_ds[now->tm_sec / 10];
-		digits[7] = mongo_ds[now->tm_sec % 10];
-
-		print_time(digits, y, x);
-
-		if (read(timerfd, &_overrun, sizeof(_overrun)) < 0)
-			if (errno != EINTR)
-				goto fail;
-	}
-
-	return 0;
-
-fail:
-	return -1;
-}
-
-static int
-display_posixtime(int timerfd)
-{
-	const char **digits[21];
-	uint64_t _overrun;
-	struct winsize winsize;
-	size_t w = 0, h = 0, x, y;
-	time_t now;
-	size_t first_digit, ndigits;
-
-	digits[20] = NULL;
-
-	while (!caught_sigterm) {
-		if (caught_sigwinch) {
-			if (ioctl(STDOUT_FILENO, (unsigned long)TIOCGWINSZ, &winsize) < 0) {
-				if (errno == EINTR)
-					continue;
-				goto fail;
-			}
-			caught_sigwinch = 0;
-			h = winsize.ws_row;
-			w = winsize.ws_col;
-		}
-
-		now = time(NULL);
-		if (now < 0)
-			goto fail;
-
-		first_digit = 20;
-		do {
-			if (!first_digit)
-				abort();
-			digits[--first_digit] = mongo_ds[now % 10];
-		} while (now /= 10);
-		ndigits = 20 - first_digit;
-
-		if (h < DY || w < ndigits * DX) {
-			fprintf(stdout, "\033[H\033[2J%s\n", "Screen is too small");
-			fflush(stdout);
-			pause();
-			continue;
-		}
-
-		y = (h - DY) / 2;
-		x = (w - ndigits * DX) / 2;
-		print_time(&digits[first_digit], y, x);
-
-		if (read(timerfd, &_overrun, sizeof(_overrun)) < 0)
-			if (errno != EINTR)
-				goto fail;
-	}
-
-	return 0;
-
-fail:
-	return -1;
-}
-
-int
-main(int argc, char *argv[])
-{
-	int timerfd = -1;
-	int posixtime = 0;
-	struct itimerspec itimerspec;
-	struct sigaction sigact;
-
-	ARGBEGIN {
-	case 's':
-		posixtime = 1;
-		break;
-	default:
-		usage();
-	} ARGEND;
-
-	if (argc)
-		usage();
-
-	fprintf(stdout, "\033[?1049h\033[?25l");
-
-	if (clock_gettime(CLOCK_REALTIME, &itimerspec.it_value))
-		goto fail;
-	itimerspec.it_interval.tv_sec = 1;
-	itimerspec.it_interval.tv_nsec = 0;
-	itimerspec.it_value.tv_sec += 1;
-	itimerspec.it_value.tv_nsec = 0;
-	timerfd = timerfd_create(CLOCK_REALTIME, 0);
-	if (timerfd < 0)
-		goto fail;
-	if (timerfd_settime(timerfd, TFD_TIMER_ABSTIME, &itimerspec, NULL))
-		goto fail;
-
-	memset(&sigact, 0, sizeof(sigact));
-
-	sigact.sa_handler = sigterm;
-	sigaction(SIGTERM, &sigact, NULL);
-	sigaction(SIGQUIT, &sigact, NULL);
-	sigaction(SIGINT, &sigact, NULL);
-
-	sigact.sa_handler = sigwinch;
-	sigaction(SIGWINCH, &sigact, NULL);
-
-	if (posixtime ? display_posixtime(timerfd) : display_time(timerfd))
-		goto fail;
-
-	fprintf(stdout, "\033[?25h\n\033[?1049l");
-	fflush(stdout);
-	close(timerfd);
-	return 0;
-
-fail:
-	perror(argv0 ? argv0 : "mongoclock");
-	fprintf(stdout, "\033[?25h\n\033[?1049l");
-	fflush(stdout);
-	if (timerfd >= 0)
-		close(timerfd);
-	return 1;
-}