Changeset 99ea659c in mainline for uspace/app/usbinfo/main.c

Timestamp:

2010-12-10T08:58:49Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ad79d80, cdc1aa1

Parents:

2c5cefa

Message:

App `usbinfo' has default HC set

File:

• uspace/app/usbinfo/main.c (modified) (3 diffs)

uspace/app/usbinfo/main.c

@@ -44 +44 @@
 #include "usbinfo.h"
 
+#define DEFAULT_HOST_CONTROLLER_PATH "/virt/usbhc"
+
 static void print_usage(char *app_name)
 {
         printf(NAME ": query USB devices for descriptors\n\n");
         printf("Usage: %s /path/to/hc usb-address\n where\n", app_name);
-        printf("   /path/to/hc   Devman path to USB host controller\n");
+        printf("   /path/to/hc   Devman path to USB host controller " \
+            "(use `-' for\n");
+        printf("                   default HC at `%s').\n",
+            DEFAULT_HOST_CONTROLLER_PATH);
         printf("   usb-address   USB address of device to be queried\n");
         printf("\n");
@@ -68 +73 @@
 }
 
-int main(int argc, char * argv[])
+int main(int argc, char *argv[])
 {
         if (argc != 3) {
@@ -81 +86 @@
          * Connect to given host controller driver.
          */
+        if (str_cmp(hc_path, "-") == 0) {
+                hc_path = (char *) DEFAULT_HOST_CONTROLLER_PATH;
+        }
         int hc_phone = connect_to_hc(hc_path);
         if (hc_phone < 0) {