Changes in uspace/app/usbinfo/info.c [0f21c0c:b1c6e58] in mainline

File:

• uspace/app/usbinfo/info.c (modified) (1 diff)

uspace/app/usbinfo/info.c

@@ -129 +129 @@
             config_descriptor.total_length);
 
+        /*
+         * Get supported languages of STRING descriptors.
+         */
+        l18_win_locales_t *langs;
+        size_t langs_count;
+        rc = usb_request_get_supported_languages(&ctrl_pipe,
+            &langs, &langs_count);
+        if (rc != EOK) {
+                fprintf(stderr,
+                    NAME ": failed to get list of supported languages: %s.\n",
+                    str_error(rc));
+                goto skip_strings;
+        }
+
+        printf("String languages (%zu):", langs_count);
+        size_t i;
+        for (i = 0; i < langs_count; i++) {
+                printf(" 0x%04x", (int) langs[i]);
+        }
+        printf(".\n");
+
+        /*
+         * Dump all strings in all available langages;
+         */
+        for (i = 0; i < langs_count; i++) {
+                l18_win_locales_t lang = langs[i];
+
+                printf("%sStrings for language 0x%04x:\n", get_indent(0),
+                    (int) lang);
+
+                /*
+                 * Try all indexes - we will see what pops-up ;-).
+                 * However, to speed things up, we will stop after
+                 * encountering several broken (or nonexistent ones)
+                 * descriptors in line.
+                 */
+                size_t idx;
+                size_t failed_count = 0;
+                for (idx = 1; idx < 0xFF; idx++) {
+                        char *string;
+                        rc = usb_request_get_string(&ctrl_pipe, idx, lang,
+                            &string);
+                        if (rc != EOK) {
+                                failed_count++;
+                                if (failed_count > 3) {
+                                        break;
+                                }
+                                continue;
+                        }
+                        printf("%sString #%zu: \"%s\"\n", get_indent(1),
+                            idx, string);
+                        free(string);
+                        failed_count = 0; /* Reset failed counter. */
+                }
+        }
+
+
+skip_strings:
+
         rc = EOK;
+
 leave:
         /* Ignoring errors here. */