Provide dealloc function to ipodpatcher.

On Windows the sector buffer is allocated using VirtualAlloc, thus releasing
this buffer should be done using VirtualFree. Provide an additional function
for deallocating the buffer so users of ipodpatcher do not need to know about
this.

Change-Id: Ibb0fc575a185148a389e63935e86a392bf8d180d

1 files changed, 10 insertions, 0 deletions

diff --git a/rbutil/ipodpatcher/ipodio-posix.c b/rbutil/ipodpatcher/ipodio-posix.c
index 377510912a..59cbc0188e 100644
--- a/rbutil/ipodpatcher/ipodio-posix.c
+++ b/rbutil/ipodpatcher/ipodio-posix.c
@@ -367,6 +367,16 @@ int ipod_alloc_buffer(struct ipod_t* ipod, int bufsize)
     return 0;
 }
 
+int ipod_dealloc_buffer(struct ipod_t* ipod)
+{
+    if (ipod->sectorbuf == NULL) {
+        return -1;
+    }
+    free(ipod->sectorbuf);
+    ipod->sectorbuf = NULL;
+    return 0;
+}
+
 int ipod_seek(struct ipod_t* ipod, unsigned long pos)
 {
     off_t res;