[Victoria Falls] Fix DirEntry member size

Previously we were outputing a single 's' after the string.

lib/libc/src/stdio.cpp

@@ -111,6 +111,7 @@ int vsprintf(char *str, const char *format, va_list arg) {
           *(str++) = *(instr++);
           width++;
         }
+        format++;
         break;
       }
       default:

scripts/build_image.sh

@@ -18,6 +18,8 @@ echo "Loopback device: ${dev}"
 cleanup() {
   umount efi
   rm -rf efi
+  umount sysroot
+  rm -rf sysroot
   losetup -d $dev
 }
 trap cleanup EXIT
@@ -41,4 +43,9 @@ cp sys/yellowstone/yellowstone efi/sys/yellowstone
 cp sys/denali/denali efi/sys/denali
 cp sys/victoriafalls/victoriafalls efi/sys/victoriafalls
 
+mkdir -p sysroot
+mount "${dev}p2" sysroot/
+rsync -a ../sysroot .
+ls sysroot/
+
 chown drew:drew $1

sys/victoriafalls/fs/ext2/ext2.h

@@ -65,7 +65,7 @@ struct Inode {
 
 struct DirEntry {
   uint32_t inode;
-  uint32_t record_length;
+  uint16_t record_length;
   uint8_t name_len;
   uint8_t file_type;
   char name[256];

sys/victoriafalls/fs/ext2/ext2_driver.cpp

@@ -81,13 +81,13 @@ glcr::ErrorCode Ext2Driver::ProbeDirectory(Inode* inode) {
     uint64_t addr = block.vaddr();
     while (addr < block.vaddr() + ext2_reader_.BlockSize()) {
       DirEntry* entry = reinterpret_cast<DirEntry*>(addr);
-      dbgln("Entry: inode: %x, rec_len %x, name_len %x", entry->inode,
-            entry->record_length, entry->name_len);
+      dbgln("Entry: inode: %x, rec_len %x, name_len %x, file_type: %x",
+            entry->inode, entry->record_length, entry->name_len,
+            entry->file_type);
       // FIXME: We need a method to construct a string that is *up to* a certain
       // length. As illustrated below the provided name_len is 0x2e but the
       // first character is \0 since this is the self-referencial inode.
       glcr::String name(entry->name, entry->name_len);
-      dbgln("%x, %x", name.length(), glcr::String(entry->name).length());
       dbgln("%s", name.cstr());
       addr += entry->record_length;
     }

sysroot/text.txt

@@ -0,0 +1 @@
+A