From bcce6ddf6bce31a3347528c69211805e787f1635 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sat, 14 Jan 2012 10:47:29 +0100
Subject: [PATCH] New options: --debug-raw and --log-dir

---
 arexxd.c | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/arexxd.c b/arexxd.c
index 554d45a..5ebf3b2 100644
--- a/arexxd.c
+++ b/arexxd.c
@@ -19,7 +19,7 @@
 #include <libusb-1.0/libusb.h>
 #include <rrd.h>
 
-#define LOG_PATH "/var/log/arexxd"
+#define DEFAULT_LOG_DIR "/var/log/arexxd"
 
 typedef unsigned char byte;
 static libusb_context *usb_ctxt;
@@ -29,6 +29,7 @@ static int use_syslog;
 static int debug_mode;
 static int debug_packets;
 static int debug_raw_data;
+static char *log_dir = DEFAULT_LOG_DIR;
 
 static void die(char *fmt, ...)
 {
@@ -482,26 +483,41 @@ static void sigterm_handler(int sig __attribute__((unused)))
 
 static const struct option long_options[] = {
 	{ "debug",		0, NULL, 'd' },
-	{ "log-packets",	0, NULL, 'p' },
+	{ "log-dir",		1, NULL, 'l' },
+	{ "debug-packets",	0, NULL, 'p' },
+	{ "debug-raw",		0, NULL, 'r' },
 	{ NULL,			0, NULL, 0 },
 };
 
 static void usage(void)
 {
-	fprintf(stderr, "Usage: arexxd [--debug] [--log-packets]\n");
+	fprintf(stderr, "\n\
+Usage: arexxd <options>\n\
+\n\
+Options:\n\
+-d, --debug		Debug mode (no chdir, no fork, no syslog)\n\
+-l, --log-dir=<dir>	Directory where all received data should be stored\n\
+-p, --debug-packets	Log all packets sent and received\n\
+-r, --debug-raw		Log conversion from raw values\n\
+");
 	exit(1);
 }
 
 int main(int argc, char **argv)
 {
 	int opt;
-	while ((opt = getopt_long(argc, argv, "dp", long_options, NULL)) >= 0)
+	while ((opt = getopt_long(argc, argv, "dl:pr", long_options, NULL)) >= 0)
 		switch (opt) {
 			case 'd':
 				debug_mode++;
 				break;
+			case 'l':
+				log_dir = optarg;
+				break;
 			case 'p':
 				debug_packets++;
+				break;
+			case 'r':
 				debug_raw_data++;
 				break;
 			default:
@@ -516,8 +532,8 @@ int main(int argc, char **argv)
 	// libusb_set_debug(usb_ctxt, 3);
 
 	if (!debug_mode) {
-		if (chdir(LOG_PATH) < 0)
-			die("Cannot change directory to %s: %m", LOG_PATH);
+		if (chdir(log_dir) < 0)
+			die("Cannot change directory to %s: %m", log_dir);
 		if (debug_packets || debug_raw_data) {
 			close(1);
 			if (open("debug", O_WRONLY | O_CREAT | O_APPEND, 0666) < 0)
-- 
2.39.5