Sansa Multiboot Root Redirect Enhance + bug fix

filename buffer was too small to retrieve redirect path

if redirected to sd root remove <SD1> as it is redundant

Change-Id: I1326601f1ba4a18d6bc173798759eb762b55528c

1 files changed, 6 insertions, 5 deletions

diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index 1b341a96e4..6b76aac162 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -2526,20 +2526,21 @@ static bool dbg_skin_engine(void)
 #if defined(HAVE_BOOTDATA) && !defined(SIMULATOR)
 static bool dbg_boot_data(void)
 {
-    unsigned int crc = 0;
+    unsigned int crc = crc_32(boot_data.payload, boot_data.length, 0xffffffff);
     struct simplelist_info info;
     info.scroll_all = true;
     simplelist_info_init(&info, "Boot data", 1, NULL);
     simplelist_set_line_count(0);
-    crc = crc_32(boot_data.payload, boot_data.length, 0xffffffff);
+
 #if defined(HAVE_MULTIBOOT)
-    char rootpath[VOL_MAX_LEN+2] = RB_ROOT_CONTENTS_DIR;
+    char rootpath[MAX_PATH / 2] = RB_ROOT_CONTENTS_DIR;
     int boot_volume = 0;
     if(crc == boot_data.crc)
     {
         boot_volume = boot_data.boot_volume; /* boot volume contained in uint8_t payload */
-        get_redirect_dir(rootpath, sizeof(rootpath), boot_volume, "", "");
-        rootpath[path_strip_trailing_separators(rootpath,NULL)] = '\0';
+        int rtlen = get_redirect_dir(rootpath, sizeof(rootpath), boot_volume, "", "");
+        while (rtlen > 0 && rootpath[--rtlen] == PATH_SEPCH) /* remove extra separators */
+            rootpath[rtlen] = '\0';
     }
     simplelist_addline("Boot Volume: <%lu>", boot_volume);
     simplelist_addline("Root:");