X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=x5%2Fkhatus_sensor_time.c;fp=x5%2Fkhatus_sensor_time.c;h=f156f455d40ab4db874c3a5100418f3434ece3d2;hb=8345f2b388e0986829ceeae50ecf186d5d540a9c;hp=0000000000000000000000000000000000000000;hpb=17a27e4866eb3e245e17dc211b4469f1c5aa3f1e;p=khatus.git

diff --git a/x5/khatus_sensor_time.c b/x5/khatus_sensor_time.c
new file mode 100644
index 0000000..f156f45
--- /dev/null
+++ b/x5/khatus_sensor_time.c
@@ -0,0 +1,65 @@
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "khatus_lib_log.h"
+#include "khatus_lib_time.h"
+
+char *argv0;
+
+void
+usage()
+{
+	printf(
+	    "%s: [OPT ...]\n"
+	    "\n"
+	    "OPT = -i int     # interval\n"
+	    "    | -f string  # format string\n"
+	    "    | -h         # help message (i.e. what you're reading now :) )\n",
+	    argv0);
+	fatal("usage\n");
+}
+
+int
+main(int argc, char **argv)
+{
+	argv0 = argv[0];
+
+	double opt_interval = 1.0;
+	char *opt_fmt = "%a %b %d %H:%M:%S";
+
+	time_t t;
+	struct timespec ti;
+	char buf[128];
+	char c;
+
+	memset(buf, '\0', 128);
+	while ((c = getopt(argc, argv, "f:i:h")) != -1)
+		switch (c) {
+		case 'f':
+			opt_fmt = calloc(strlen(optarg), sizeof(char));
+			strcpy(opt_fmt, optarg);
+			break;
+		case 'i':
+			opt_interval = atof(optarg);
+			break;
+		case 'h':
+			usage();
+			break;
+		default:
+			usage();
+		}
+	ti = timespec_of_float(opt_interval);
+	for (;;) {
+		t = time(NULL);
+		strftime(buf, sizeof(buf), opt_fmt, localtime(&t));
+		puts(buf);
+		fflush(stdout);
+		snooze(&ti);
+	}
+	return EXIT_SUCCESS;
+}