Create a FuseDataProvider base class
The fuse data provider for adb/sdcard shares common code and structures.
This cl creates a FuseDataProvider base class and provides
implementations for adb and sdcard.
In the follow cls, we can kill the provider_vtab struct; and also add
another implementation to parse a block map file and provides data.
Test: unit tests pass, sideload a package, apply a package from sdcard
Change-Id: If8311666a52a2e3c0fbae0ee9688fa6d01e4ad09
diff --git a/fuse_sideload/fuse_sideload.cpp b/fuse_sideload/fuse_sideload.cpp
index 1c7e98f..e812486 100644
--- a/fuse_sideload/fuse_sideload.cpp
+++ b/fuse_sideload/fuse_sideload.cpp
@@ -244,8 +244,9 @@
memset(fd->block_data + fetch_size, 0, fd->block_size - fetch_size);
}
- int result = fd->vtab.read_block(block, fd->block_data, fetch_size);
- if (result < 0) return result;
+ if (!fd->vtab.read_block(block, fd->block_data, fetch_size)) {
+ return -EIO;
+ }
fd->curr_block = block;