Provide dealloc function to sansapatcher.

Similar as done with ipodpatcher provide a function to free the allocated
sector buffer.

Change-Id: Ie51e82f7191496bb48973148af1cc35cd37993d3

1 files changed, 13 insertions, 0 deletions

diff --git a/rbutil/sansapatcher/sansaio-win32.c b/rbutil/sansapatcher/sansaio-win32.c
index 256712fe20..ee6a8cd93d 100644
--- a/rbutil/sansapatcher/sansaio-win32.c
+++ b/rbutil/sansapatcher/sansaio-win32.c
@@ -162,6 +162,19 @@ int sansa_alloc_buffer(struct sansa_t* sansa, int bufsize)
     return 0;
 }
 
+int sansa_dealloc_buffer(struct sansa_t* sansa)
+{
+    if (sansa->sectorbuf == NULL) {
+        return -1;
+    }
+    if(!VirtualFree(sansa->sectorbuf, 0, MEM_RELEASE)) {
+        sansa_print_error(" Error releasing buffer ");
+        return -1;
+    }
+    sansa->sectorbuf = NULL;
+    return 0;
+}
+
 int sansa_seek(struct sansa_t* sansa, loff_t pos)
 {
     LARGE_INTEGER li;