Imported Upstream version 0.7.4upstream/0.7.4

1 files changed, 77 insertions, 55 deletions

diff --git a/conf.c b/conf.c
index 45fa42e..376ea99 100644
--- a/conf.c
+++ b/conf.c
@@ -34,6 +34,17 @@ static char *action_items[] = {
 	NULL
 };
 
+static char *sort_order[] = {
+	[SO_CHAN]	= "Channel",
+	[SO_CHAN_REV]	= "Rev Channel",
+	[SO_SIGNAL]	= "Signal",
+	[SO_OPEN]	= "Open",
+	[SO_CHAN_SIG]	= "Chan/Sig",
+	[SO_OPEN_SIG]	= "Open/Sig",
+	[SO_OPEN_CH_SI]	= "Open/Chan/Sig",
+	NULL
+};
+
 static char *screen_names[] = {
 	[SCR_INFO]	= "Info screen",
 	[SCR_LHIST]	= "Histogram",
@@ -59,6 +70,7 @@ struct wavemon_conf conf = {
 	.noise_min		= -102,
 	.noise_max		= 10,
 
+	.scan_sort_order	= SO_CHAN,
 	.lthreshold_action	= TA_DISABLED,
 	.lthreshold		= -80,
 	.hthreshold_action	= TA_DISABLED,
@@ -67,58 +79,8 @@ struct wavemon_conf conf = {
 	.startup_scr		= 0,
 };
 
-static void version(void)
-{
-	printf("wavemon wireless monitor %s\n", PACKAGE_VERSION);
-	printf("Distributed under the terms of the GPLv3.\n");
-}
-
-static void usage(void)
-{
-	printf("Usage: wavemon [ -dhlrv ] [ -i ifname ]\n\n");
-	printf("  -d            Dump the current device status to stdout and exit\n");
-	printf("  -g            Ensure screen is sufficiently dimensioned\n");
-	printf("  -h            This help screen\n");
-	printf("  -i <ifname>   Use specified network interface (default: auto)\n");
-	printf("  -r            Generate random levels (for testing purposes)\n");
-	printf("  -v            Print version number and exit\n\n");
-}
-
-static void getargs(int argc, char *argv[])
-{
-	int arg;
-
-	while ((arg = getopt(argc, argv, "dghi:rv")) >= 0)
-		switch (arg) {
-		case 'd':
-			dump_parameters();
-			exit(EXIT_SUCCESS);
-		case 'g':
-			conf.check_geometry = true;
-			break;
-		case 'h':
-			usage();
-			exit(EXIT_SUCCESS);
-		case 'i':
-			conf.if_idx = argv_find(if_list, optarg);
-			if (conf.if_idx < 0)
-				err_quit("no wireless extensions found on '%s'",
-					 optarg);
-			break;
-		case 'r':
-			conf.random = true;
-			break;
-		case 'v':
-			version();
-			exit(EXIT_SUCCESS);
-		default:
-			/* bad argument. bad bad */
-			exit(EXIT_FAILURE);
-		}
-}
-
 /** Populate interface list */
-void conf_get_interface_list(void)
+void conf_get_interface_list(bool init)
 {
 	char *old_if = NULL;
 	int idx;
@@ -132,7 +94,7 @@ void conf_get_interface_list(void)
 		free(if_list);
 	}
 	if_list = iw_get_interface_list();
-	if (if_list == NULL)
+	if (if_list == NULL && !init)
 		err_quit("no wireless interfaces found!");
 
 	conf.if_idx = 0;
@@ -240,7 +202,7 @@ static void read_cf(void)
 			}
 			break;
 		case t_list:
-			v_int = argv_find(ci->list, rv);
+			v_int = ci->list ? argv_find(ci->list, rv) : -1;
 			if (v_int < 0)
 				err_msg("%s, line %d: '%s = %s' is not valid - using defaults",
 					 cfname, lnum, lv, rv);
@@ -364,6 +326,14 @@ static void init_conf_items(void)
 	ll_push(conf_items, "*", item);
 
 	item = calloc(1, sizeof(*item));
+	item->name	= strdup("Scan sort order");
+	item->cfname	= strdup("sort_order");
+	item->type	= t_list;
+	item->v.i	= &conf.scan_sort_order;
+	item->list	= sort_order;
+	ll_push(conf_items, "*", item);
+
+	item = calloc(1, sizeof(*item));
 	item->name	= strdup("Statistics updates");
 	item->cfname	= strdup("stat_updates");
 	item->type	= t_int;
@@ -554,8 +524,60 @@ static void init_conf_items(void)
 
 void getconf(int argc, char *argv[])
 {
-	conf_get_interface_list();
+	int arg, dump = 0, help = 0, version = 0;
+
+	conf_get_interface_list(true);
 	init_conf_items();
 	read_cf();
-	getargs(argc, argv);
+
+	while ((arg = getopt(argc, argv, "dghi:rv")) >= 0) {
+		switch (arg) {
+		case 'd':
+			if (if_list)
+				dump++;
+			break;
+		case 'g':
+			conf.check_geometry = true;
+			break;
+		case 'h':
+			help++;
+			break;
+		case 'i':
+			conf.if_idx = if_list ? argv_find(if_list, optarg) : -1;
+			if (conf.if_idx < 0)
+				err_quit("no wireless extensions found on '%s'",
+					 optarg);
+			break;
+		case 'r':
+			conf.random = true;
+			break;
+		case 'v':
+			version++;
+			break;
+		default:
+			/* bad argument. bad bad */
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	if (version) {
+		printf("wavemon wireless monitor %s\n", PACKAGE_VERSION);
+		printf("Distributed under the terms of the GPLv3.\n%s", help ? "\n" : "");
+	}
+	if (help) {
+		printf("usage: wavemon [ -dhlrv ] [ -i ifname ]\n");
+		printf("  -d            Dump the current device status to stdout and exit\n");
+		printf("  -g            Ensure screen is sufficiently dimensioned\n");
+		printf("  -h            This help screen\n");
+		printf("  -i <ifname>   Use specified network interface (default: auto)\n");
+		printf("  -r            Generate random levels (for testing purposes)\n");
+		printf("  -v            Print version number\n");
+	} else if (dump) {
+		dump_parameters();
+	}
+
+	if (version || help || dump)
+		exit(EXIT_SUCCESS);
+	else if (if_list == NULL)
+		err_quit("no supported wireless interfaces found");
 }