From 179e4848f2e107c288829b699b7f0a2e7af69c41 Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Date: Thu, 28 May 2020 20:53:59 +0200
Subject: cleanup: libsqfs: remove hooks from sqfs_block_writer_t

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
---
 include/sqfs/block_writer.h | 95 ---------------------------------------------
 1 file changed, 95 deletions(-)

(limited to 'include')

diff --git a/include/sqfs/block_writer.h b/include/sqfs/block_writer.h
index 06131f5..1fd110a 100644
--- a/include/sqfs/block_writer.h
+++ b/include/sqfs/block_writer.h
@@ -38,86 +38,6 @@
  * This object is not copyable, i.e. @ref sqfs_copy will always return NULL.
  */
 
-/**
- * @struct sqfs_block_hooks_t
- *
- * @brief A set of hooks for tapping into the data writer.
- *
- * This structure can be registered with an @ref sqfs_block_writer_t and
- * contains function pointers that will be called during various stages
- * when writing data to disk.
- *
- * The callbacks can not only be used for accounting but may also write extra
- * data to the output file or make modifications to the blocks before they are
- * writtien.
- *
- * The callbacks can be individually set to NULL to disable them.
- */
-struct sqfs_block_hooks_t {
-	/**
-	 * @brief Set this to the size of the struct.
-	 *
-	 * This is required for future expandabillity while maintaining ABI
-	 * compatibillity. At the current time, the implementation of
-	 * @ref sqfs_block_writer_set_hooks rejects any hook struct where
-	 * this isn't the exact size. If new hooks are added in the future,
-	 * the struct grows and the future implementation can tell by the size
-	 * whether the application uses the new version or the old one.
-	 */
-	size_t size;
-
-	/**
-	 * @brief Gets called before writing a block to disk.
-	 *
-	 * If this is not NULL, it gets called before a block is written to
-	 * disk. If the block has the @ref SQFS_BLK_ALIGN flag set, the
-	 * function is called before padding the file.
-	 *
-	 * The function may write additional data to the file, which is taken
-	 * into account when padding the file.
-	 *
-	 * @param user A user pointer.
-	 * @param flags A pointer to a combination of @ref SQFS_BLK_FLAGS
-	 *              describing the block. The callback can modify the
-	 *              user settable flags.
-	 * @param size The size of the block in bytes.
-	 * @param data A pointer to the raw block data.
-	 * @param file The file that the block will be written to.
-	 */
-	void (*pre_block_write)(void *user, sqfs_u32 *flags, sqfs_u32 size,
-				const sqfs_u8 *data, sqfs_file_t *file);
-
-	/**
-	 * @brief Gets called after writing a block to disk.
-	 *
-	 * If this is not NULL, it gets called after a block is written to
-	 * disk. If the block has the @ref SQFS_BLK_ALIGN flag set, the
-	 * function is called before padding the file.
-	 *
-	 * Modifying the block is rather pointless, but the function may
-	 * write data to the file which is taken into account when padding
-	 * the file.
-	 *
-	 * @param user A user pointer.
-	 * @param flags A combination of @ref SQFS_BLK_FLAGS describing
-	 *              the block.
-	 * @param size The size of the block in bytes.
-	 * @param data A pointer to the raw block data.
-	 * @param file The file that the block was written to.
-	 */
-	void (*post_block_write)(void *user, sqfs_u32 flags, sqfs_u32 size,
-				 const sqfs_u8 *data, sqfs_file_t *file);
-
-	/**
-	 * @brief Gets called before writing a block of padding bytes to disk.
-	 *
-	 * @param user A user pointer.
-	 * @param block The padding bytes that are about to be written.
-	 * @param count The number of padding bytes in the block.
-	 */
-	void (*prepare_padding)(void *user, sqfs_u8 *block, size_t count);
-};
-
 /**
  * @struct sqfs_block_writer_stats_t
  *
@@ -178,21 +98,6 @@ SQFS_API sqfs_block_writer_t *sqfs_block_writer_create(sqfs_file_t *file,
 						       size_t devblksz,
 						       sqfs_u32 flags);
 
-/**
- * @brief Register a set of callbacks with a block writer.
- *
- * @memberof sqfs_block_writer_t
- *
- * @param wr A pointer to a block writer object.
- * @param user_ptr A user data pointer that should be passed to the callbacks.
- * @param hooks A structure holding various callbacks.
- *
- * @return Zero on success, an @ref SQFS_ERROR on failure.
- */
-SQFS_API int sqfs_block_writer_set_hooks(sqfs_block_writer_t *wr,
-					 void *user_ptr,
-					 const sqfs_block_hooks_t *hooks);
-
 /**
  * @brief Submit a data block to a blokc writer.
  *
-- 
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