From: Colin McCabe <colinmcc@lab126.com>
Date: Tue, 19 Jan 2010 23:15:36 +0000 (-0800)
Subject: Add simple_time.c app
X-Git-Url: http://club.cc.cmu.edu/~cmccabe/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3b13f018be93d91da13ec029769be24280a319a;p=cmccabe-bin

Add simple_time.c app
---

diff --git a/simple_time.c b/simple_time.c
new file mode 100644
index 0000000..eea422f
--- /dev/null
+++ b/simple_time.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+/* Prints a time on a single line of the console.
+ * I wrote this app so that I could measure times by repeatedly pressing
+ * return.
+ *
+ * Colin McCabe
+ */
+void strip_newlines(char *str)
+{
+	size_t i;
+	size_t str_len = strlen(str);
+
+	for (i = 0; i < str_len; i++) {
+		if (str[i] == '\n')
+			str[i] = ' ';
+	}
+}
+
+int main(void)
+{
+	while (1) {
+		char str[27];
+		size_t i, len;
+		time_t t = time(NULL);
+		struct tm *tm = localtime(&t);
+
+		str[0] = '\0';
+		asctime_r(tm, str);
+		len = strlen(str);
+		printf("\r");
+		strip_newlines(str);
+		printf("%s", str);
+		fflush(stdout);
+		sleep(1);
+	}
+
+	return 0;
+}