idevice_id: Update usage and man page, and list all devices when run without options

2 files changed, 23 insertions, 35 deletions

diff --git a/docs/idevice_id.1 b/docs/idevice_id.1
index af9db92..caded75 100644
--- a/docs/idevice_id.1
+++ b/docs/idevice_id.1
@@ -1,53 +1,39 @@
 .TH "idevice_id" 1
 .SH NAME
-idevice_id \- Prints device name or a list of attached devices.
+idevice_id \- List attached devices or print device name of given device.
 .SH SYNOPSIS
 .B idevice_id
 [OPTIONS] [UDID]
 
 .SH DESCRIPTION
 
-Prints device name or a list of attached devices.
-UDID is the unique device identifier of the device
-for which the name should be retrieved.
+\f[B]idevice_id\f[] prints a list of attached devices. If a UDID is given,
+the name of the connected device with that UDID will be retrieved.
+
+Without any options, \f[B]idevice_id\f[] will list all available devices,
+USB and network.
+The output can be further controlled with the following OPTIONS.
 
 .SH OPTIONS
 .TP
 .B \-l, \-\-list
-list UDID of all attached devices
+List UDIDs of all devices attached via USB.
+.TP
+.B \-n, \-\-network
+List UDIDs of all devices available via network.
 .TP
 .B \-d, \-\-debug
-enable communication debugging.
+Enable communication debugging.
 .TP
 .B \-h, \-\-help
-prints usage information.
+Prints usage information.
 .TP
 .B \-v, \-\-version
-prints version information.
+Prints version information.
 .TP
 
-.SH AUTHORS
- Zach C.
-
- Jonathan Beck
-
- Matt Colyer
-
- Martin Aumueller
-
- Christophe Fergeau
-
- Martin S.
-
- Paul Sladen
-
- Patrick Walton
-
- Zoltan Balaton
-
- Nikias Bassen
-
- Todd Zullinger
+.SH AUTHOR
+Nikias Bassen
 
 Man page written to conform with Debian by Julien Lavergne.
 
diff --git a/tools/idevice_id.c b/tools/idevice_id.c
index 7c1b3b4..467d0d3 100644
--- a/tools/idevice_id.c
+++ b/tools/idevice_id.c
@@ -43,7 +43,7 @@ static void print_usage(int argc, char **argv, int is_error)
         fprintf(is_error ? stderr : stdout, "Usage: %s [OPTIONS] [UDID]\n", (name ? name + 1: argv[0]));
         fprintf(is_error ? stderr : stdout,
                 "\n" \
-                "Prints device name or a list of attached devices.\n" \
+                "List attached devices or print device name of given device.\n" \
                 "\n" \
                 "  If UDID is given, the name of the connected device with that UDID" \
                 "  will be retrieved.\n" \
@@ -68,7 +68,7 @@ int main(int argc, char **argv)
         char *device_name = NULL;
         int ret = 0;
         int i;
-        int mode = MODE_SHOW_ID;
+        int mode = MODE_LIST_DEVICES;
         int include_usb = 0;
         int include_network = 0;
         const char* udid = NULL;
@@ -110,9 +110,11 @@ int main(int argc, char **argv)
         argc -= optind;
         argv += optind;
 
-        if (mode == MODE_SHOW_ID && argc != 1) {
-                print_usage(argc + optind, argv - optind, 1);
-                exit(EXIT_FAILURE);
+        if (argc == 1) {
+                mode = MODE_SHOW_ID;
+        } else if (argc == 0 && optind == 1) {
+                include_usb = 1;
+                include_network = 1;
         }
         udid = argv[0];