Yet more sdl hacking, region memory leak fix, mlt_position changed to int32_t, experi...

[melted] / src / framework / mlt_pool.c

diff --git a/src/framework/mlt_pool.c b/src/framework/mlt_pool.c
index daa0d29..72e11ba 100644 (file)
--- a/src/framework/mlt_pool.c
+++ b/src/framework/mlt_pool.c
@@ -242,6 +242,47 @@ void *mlt_pool_alloc( int size )
        return pool_fetch( pool );
 }
 
+/** Allocate size bytes from the pool.
+*/
+
+void *mlt_pool_realloc( void *ptr, int size )
+{
+       // Result to return
+       void *result = NULL;
+
+       // Check if we actually have an address
+       if ( ptr != NULL )
+       {
+               // Get the release pointer
+               mlt_release that = ptr - sizeof( struct mlt_release_s );
+
+               // If the current pool this ptr belongs to is big enough
+               if ( size > that->pool->size - sizeof( struct mlt_release_s ) )
+               {
+                       // Allocate
+                       result = mlt_pool_alloc( size );
+
+                       // Copy
+                       memcpy( result, ptr, that->pool->size - sizeof( struct mlt_release_s ) );
+
+                       // Release
+                       mlt_pool_release( ptr );
+               }
+               else
+               {
+                       // Nothing to do
+                       result = ptr;
+               }
+       }
+       else
+       {
+               // Simply allocate
+               result = mlt_pool_alloc( size );
+       }
+
+       return result;
+}
+
 /** Release the allocated memory.
 */