add support for repairing half a table

1 files changed, 32 insertions, 0 deletions

diff --git a/src/header.c b/src/header.c
index 22c255c..e4a7e15 100644
--- a/src/header.c
+++ b/src/header.c
@@ -195,3 +195,35 @@ headers_get (DISK * d)
 
   return ret;
 }
+
+GPT_headers
+headers_get_one (DISK * d)
+{
+  GPT_headers ret;
+  uint8_t buf[512];
+  uint64_t lbas;
+  int table_size;
+
+
+
+  lbas = disk_lbas (d);
+
+  disk_read (d, buf, 1, 1);
+  memcpy (&ret.header, buf, sizeof (ret.header));
+
+  table_size=ret.header.first_usable_lba;
+
+  ret.header.last_usable_lba=lbas-table_size;
+
+  ret.alt_header=ret.header;
+
+  ret.header.alternate_lba=lbas-1;
+
+  ret.alt_header.alternate_lba=1;
+  ret.alt_header.my_lba=lbas-1;
+  ret.alt_header.partition_entry_lba = (lbas - table_size)+1;
+
+
+
+  return ret;
+}