From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Fri, 17 Jun 2011 07:27:18 +0000 (+0200)
Subject: First version.
X-Git-Url: https://git.pterodactylus.net/?p=show-time.git;a=commitdiff_plain;h=85524745e24cdf1ea20ddc927855f6a120c30218

First version.
---

85524745e24cdf1ea20ddc927855f6a120c30218
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1fd9fb2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,3 @@
+
+show-time: show-time.o
+	$(CC) -o $@ $<
diff --git a/show-time.c b/show-time.c
new file mode 100644
index 0000000..4e4369f
--- /dev/null
+++ b/show-time.c
@@ -0,0 +1,47 @@
+
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <string.h>
+#include <unistd.h>
+
+#define false 0
+#define true (!false)
+#define null 0
+
+int getColumns() {
+	struct winsize terminalSize;
+	int error;
+
+	error = ioctl(1, TIOCGWINSZ, &terminalSize);
+
+	if (!error) {
+		return terminalSize.ws_col;
+	}
+	return 80;
+}
+
+int main(int argc, char** argv) {
+	
+	struct tm *localTime;
+	time_t currentTime;
+	char buffer[80];
+
+	if (fork() != 0) {
+		return 0;
+	}
+
+	while (true) {
+		currentTime = time(null);
+		localTime = localtime(&currentTime);
+		strftime(buffer, 80, "%d.%m.%Y %H:%M:%S", localTime);
+		printf("%c[s", 27); /* save cursor position */
+		printf("%c[%d;%dH", 27, 1, (int) (getColumns() - strlen(buffer))); /* set cursor */
+		printf("%s", buffer);
+		printf("%c[u", 27); /* restore cursor position */
+		fflush(stdout);
+		sleep(1);
+	}
+
+}
+