Move data structure forward declarations to predef header

This in turn allows for removing most of the header inclusions
within the public headers.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

22 files changed, 81 insertions, 67 deletions

diff --git a/include/sqfs/block_processor.h b/include/sqfs/block_processor.h
index b757708..1ec2f7c 100644
--- a/include/sqfs/block_processor.h
+++ b/include/sqfs/block_processor.h
@@ -8,7 +8,6 @@
 #define SFQS_BLOCK_PROCESSOR_H
 
 #include "sqfs/predef.h"
-#include "sqfs/compress.h"
 
 enum {
 	/* only calculate checksum, do NOT compress the data */
@@ -27,9 +26,9 @@ enum {
 	SQFS_BLK_USER = 0x0080
 };
 
-typedef struct sqfs_block_t {
+struct sqfs_block_t {
 	/* used internally, ignored and overwritten when enqueueing blocks */
-	struct sqfs_block_t *next;
+	sqfs_block_t *next;
 	uint32_t sequence_number;
 
 	/* Size of the data area */
@@ -49,9 +48,7 @@ typedef struct sqfs_block_t {
 
 	/* raw data to be processed */
 	uint8_t data[];
-} sqfs_block_t;
-
-typedef struct sqfs_block_processor_t sqfs_block_processor_t;
+};
 
 /*
   Gets called for each processed block. May be called from a different thread
diff --git a/include/sqfs/compress.h b/include/sqfs/compress.h
index 76f323e..f0e3b76 100644
--- a/include/sqfs/compress.h
+++ b/include/sqfs/compress.h
@@ -10,8 +10,6 @@
 #include "sqfs/predef.h"
 #include "sqfs/super.h"
 
-typedef struct sqfs_compressor_t sqfs_compressor_t;
-
 /* Encapsultes a compressor with a simple interface to compress or
    uncompress/extract blocks of data. */
 struct sqfs_compressor_t {
@@ -45,7 +43,7 @@ struct sqfs_compressor_t {
 	sqfs_compressor_t *(*create_copy)(sqfs_compressor_t *cmp);
 };
 
-typedef struct {
+struct sqfs_compressor_config_t {
 	uint16_t id;
 	uint16_t flags;
 	uint32_t block_size;
@@ -69,7 +67,7 @@ typedef struct {
 			uint32_t dict_size;
 		} xz;
 	} opt;
-} sqfs_compressor_config_t;
+};
 
 typedef enum {
 	SQFS_COMP_FLAG_LZ4_HC = 0x0001,
diff --git a/include/sqfs/data.h b/include/sqfs/data.h
index 914afae..e8efa73 100644
--- a/include/sqfs/data.h
+++ b/include/sqfs/data.h
@@ -15,10 +15,10 @@
 #define SQFS_ON_DISK_BLOCK_SIZE(size) ((size) & ((1 << 24) - 1))
 #define SQFS_IS_SPARSE_BLOCK(size) (SQFS_ON_DISK_BLOCK_SIZE(size) == 0)
 
-typedef struct {
+struct sqfs_fragment_t {
 	uint64_t start_offset;
 	uint32_t size;
 	uint32_t pad0;
-} sqfs_fragment_t;
+};
 
 #endif /* SQFS_DATA_H */
diff --git a/include/sqfs/dir.h b/include/sqfs/dir.h
index d993208..0b14cdf 100644
--- a/include/sqfs/dir.h
+++ b/include/sqfs/dir.h
@@ -8,33 +8,29 @@
 #define SQFS_DIR_H
 
 #include "sqfs/predef.h"
-#include "sqfs/meta_reader.h"
-#include "sqfs/meta_writer.h"
 
 #define SQFS_MAX_DIR_ENT 256
 
-typedef struct {
+struct sqfs_dir_header_t {
 	uint32_t count;
 	uint32_t start_block;
 	uint32_t inode_number;
-} sqfs_dir_header_t;
+};
 
-typedef struct {
+struct sqfs_dir_entry_t {
 	uint16_t offset;
 	int16_t inode_diff;
 	uint16_t type;
 	uint16_t size;
 	uint8_t name[];
-} sqfs_dir_entry_t;
+};
 
-typedef struct {
+struct sqfs_dir_index_t {
 	uint32_t index;
 	uint32_t start_block;
 	uint32_t size;
 	uint8_t name[];
-} sqfs_dir_index_t;
-
-typedef struct sqfs_dir_writer_t sqfs_dir_writer_t;
+};
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/sqfs/id_table.h b/include/sqfs/id_table.h
index 01347d9..3610640 100644
--- a/include/sqfs/id_table.h
+++ b/include/sqfs/id_table.h
@@ -8,9 +8,6 @@
 #define SQFS_ID_TABLE_H
 
 #include "sqfs/predef.h"
-#include "sqfs/compress.h"
-
-typedef struct sqfs_id_table_t sqfs_id_table_t;
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/sqfs/inode.h b/include/sqfs/inode.h
index 037a297..3cf1d8c 100644
--- a/include/sqfs/inode.h
+++ b/include/sqfs/inode.h
@@ -8,8 +8,6 @@
 #define SQFS_INODE_H
 
 #include "sqfs/predef.h"
-#include "sqfs/meta_reader.h"
-#include "sqfs/meta_writer.h"
 
 typedef enum {
 	SQFS_INODE_DIR = 1,
@@ -28,57 +26,57 @@ typedef enum {
 	SQFS_INODE_EXT_SOCKET = 14,
 } E_SQFS_INODE_TYPE;
 
-typedef struct {
+struct sqfs_inode_t {
 	uint16_t type;
 	uint16_t mode;
 	uint16_t uid_idx;
 	uint16_t gid_idx;
 	uint32_t mod_time;
 	uint32_t inode_number;
-} sqfs_inode_t;
+};
 
-typedef struct {
+struct sqfs_inode_dev_t {
 	uint32_t nlink;
 	uint32_t devno;
-} sqfs_inode_dev_t;
+};
 
-typedef struct {
+struct sqfs_inode_dev_ext_t {
 	uint32_t nlink;
 	uint32_t devno;
 	uint32_t xattr_idx;
-} sqfs_inode_dev_ext_t;
+};
 
-typedef struct {
+struct sqfs_inode_ipc_t {
 	uint32_t nlink;
-} sqfs_inode_ipc_t;
+};
 
-typedef struct {
+struct sqfs_inode_ipc_ext_t {
 	uint32_t nlink;
 	uint32_t xattr_idx;
-} sqfs_inode_ipc_ext_t;
+};
 
-typedef struct {
+struct sqfs_inode_slink_t {
 	uint32_t nlink;
 	uint32_t target_size;
 	/*uint8_t target[];*/
-} sqfs_inode_slink_t;
+};
 
-typedef struct {
+struct sqfs_inode_slink_ext_t {
 	uint32_t nlink;
 	uint32_t target_size;
 	/*uint8_t target[];*/
 	uint32_t xattr_idx;
-} sqfs_inode_slink_ext_t;
+};
 
-typedef struct {
+struct sqfs_inode_file_t {
 	uint32_t blocks_start;
 	uint32_t fragment_index;
 	uint32_t fragment_offset;
 	uint32_t file_size;
 	/*uint32_t block_sizes[];*/
-} sqfs_inode_file_t;
+};
 
-typedef struct {
+struct sqfs_inode_file_ext_t {
 	uint64_t blocks_start;
 	uint64_t file_size;
 	uint64_t sparse;
@@ -87,17 +85,17 @@ typedef struct {
 	uint32_t fragment_offset;
 	uint32_t xattr_idx;
 	/*uint32_t block_sizes[];*/
-} sqfs_inode_file_ext_t;
+};
 
-typedef struct {
+struct sqfs_inode_dir_t {
 	uint32_t start_block;
 	uint32_t nlink;
 	uint16_t size;
 	uint16_t offset;
 	uint32_t parent_inode;
-} sqfs_inode_dir_t;
+};
 
-typedef struct {
+struct sqfs_inode_dir_ext_t {
 	uint32_t nlink;
 	uint32_t size;
 	uint32_t start_block;
@@ -105,9 +103,9 @@ typedef struct {
 	uint16_t inodex_count;
 	uint16_t offset;
 	uint32_t xattr_idx;
-} sqfs_inode_dir_ext_t;
+};
 
-typedef struct {
+struct sqfs_inode_generic_t {
 	sqfs_inode_t base;
 	char *slink_target;
 	uint32_t *block_sizes;
@@ -127,7 +125,7 @@ typedef struct {
 	} data;
 
 	uint8_t extra[];
-} sqfs_inode_generic_t;
+};
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/sqfs/meta_reader.h b/include/sqfs/meta_reader.h
index d587694..eef18b7 100644
--- a/include/sqfs/meta_reader.h
+++ b/include/sqfs/meta_reader.h
@@ -8,10 +8,6 @@
 #define SQFS_META_READER_H
 
 #include "sqfs/predef.h"
-#include "sqfs/compress.h"
-#include "sqfs/data.h"
-
-typedef struct sqfs_meta_reader_t sqfs_meta_reader_t;
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/sqfs/meta_writer.h b/include/sqfs/meta_writer.h
index 55cae7f..669b98e 100644
--- a/include/sqfs/meta_writer.h
+++ b/include/sqfs/meta_writer.h
@@ -8,11 +8,6 @@
 #define SQFS_META_WRITER_H
 
 #include "sqfs/predef.h"
-#include "sqfs/compress.h"
-#include "sqfs/id_table.h"
-#include "sqfs/data.h"
-
-typedef struct sqfs_meta_writer_t sqfs_meta_writer_t;
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/sqfs/predef.h b/include/sqfs/predef.h
index 0fec9e2..6df257c 100644
--- a/include/sqfs/predef.h
+++ b/include/sqfs/predef.h
@@ -38,4 +38,32 @@
 	#endif
 #endif
 
+typedef struct sqfs_block_t sqfs_block_t;
+typedef struct sqfs_block_processor_t sqfs_block_processor_t;
+typedef struct sqfs_compressor_config_t sqfs_compressor_config_t;
+typedef struct sqfs_compressor_t sqfs_compressor_t;
+typedef struct sqfs_dir_writer_t sqfs_dir_writer_t;
+typedef struct sqfs_id_table_t sqfs_id_table_t;
+typedef struct sqfs_meta_reader_t sqfs_meta_reader_t;
+typedef struct sqfs_meta_writer_t sqfs_meta_writer_t;
+typedef struct sqfs_xattr_reader_t sqfs_xattr_reader_t;
+
+typedef struct sqfs_fragment_t sqfs_fragment_t;
+typedef struct sqfs_dir_header_t sqfs_dir_header_t;
+typedef struct sqfs_dir_entry_t sqfs_dir_entry_t;
+typedef struct sqfs_dir_index_t sqfs_dir_index_t;
+typedef struct sqfs_inode_t sqfs_inode_t;
+typedef struct sqfs_inode_dev_t sqfs_inode_dev_t;
+typedef struct sqfs_inode_dev_ext_t sqfs_inode_dev_ext_t;
+typedef struct sqfs_inode_ipc_t sqfs_inode_ipc_t;
+typedef struct sqfs_inode_ipc_ext_t sqfs_inode_ipc_ext_t;
+typedef struct sqfs_inode_slink_t sqfs_inode_slink_t;
+typedef struct sqfs_inode_slink_ext_t sqfs_inode_slink_ext_t;
+typedef struct sqfs_inode_file_t sqfs_inode_file_t;
+typedef struct sqfs_inode_file_ext_t sqfs_inode_file_ext_t;
+typedef struct sqfs_inode_dir_t sqfs_inode_dir_t;
+typedef struct sqfs_inode_dir_ext_t sqfs_inode_dir_ext_t;
+typedef struct sqfs_inode_generic_t sqfs_inode_generic_t;
+typedef struct sqfs_super_t sqfs_super_t;
+
 #endif /* SQFS_PREDEF_H */
diff --git a/include/sqfs/super.h b/include/sqfs/super.h
index 91b1693..b1ce82b 100644
--- a/include/sqfs/super.h
+++ b/include/sqfs/super.h
@@ -15,7 +15,7 @@
 #define SQFS_DEVBLK_SIZE 4096
 #define SQFS_DEFAULT_BLOCK_SIZE 131072
 
-typedef struct {
+struct sqfs_super_t {
 	uint32_t magic;
 	uint32_t inode_count;
 	uint32_t modification_time;
@@ -35,7 +35,7 @@ typedef struct {
 	uint64_t directory_table_start;
 	uint64_t fragment_table_start;
 	uint64_t export_table_start;
-} __attribute__((packed)) sqfs_super_t;
+};
 
 typedef enum {
 	SQFS_COMP_GZIP = 1,
diff --git a/include/sqfs/table.h b/include/sqfs/table.h
index 9ce37fb..70bb437 100644
--- a/include/sqfs/table.h
+++ b/include/sqfs/table.h
@@ -8,8 +8,6 @@
 #define SQFS_TABLE_H
 
 #include "sqfs/predef.h"
-#include "sqfs/compress.h"
-#include "sqfs/super.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/sqfs/xattr.h b/include/sqfs/xattr.h
index 0efd0d4..11976d0 100644
--- a/include/sqfs/xattr.h
+++ b/include/sqfs/xattr.h
@@ -8,7 +8,6 @@
 #define SQFS_XATTR_H
 
 #include "sqfs/predef.h"
-#include "sqfs/compress.h"
 
 typedef enum {
 	SQFS_XATTR_USER = 0,
@@ -42,8 +41,6 @@ typedef struct {
 	uint32_t unused;
 } sqfs_xattr_id_table_t;
 
-typedef struct sqfs_xattr_reader_t sqfs_xattr_reader_t;
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/lib/sqfs/block_processor_parallel.c b/lib/sqfs/block_processor_parallel.c
index d81ba91..3184d8b 100644
--- a/lib/sqfs/block_processor_parallel.c
+++ b/lib/sqfs/block_processor_parallel.c
@@ -8,6 +8,7 @@
 #include "config.h"
 
 #include "sqfs/block_processor.h"
+#include "sqfs/compress.h"
 #include "util.h"
 
 #include <pthread.h>
diff --git a/lib/sqfs/dir_writer.c b/lib/sqfs/dir_writer.c
index 6ff9541..d6921e7 100644
--- a/lib/sqfs/dir_writer.c
+++ b/lib/sqfs/dir_writer.c
@@ -7,7 +7,9 @@
 #define SQFS_BUILDING_DLL
 #include "config.h"
 
+#include "sqfs/meta_writer.h"
 #include "sqfs/inode.h"
+#include "sqfs/data.h"
 #include "sqfs/dir.h"
 #include "util.h"
 
diff --git a/lib/sqfs/id_table.c b/lib/sqfs/id_table.c
index cf1fd9b..f7ffe2d 100644
--- a/lib/sqfs/id_table.c
+++ b/lib/sqfs/id_table.c
@@ -8,6 +8,7 @@
 #include "config.h"
 
 #include "sqfs/id_table.h"
+#include "sqfs/super.h"
 #include "sqfs/table.h"
 
 #include <stdlib.h>
diff --git a/lib/sqfs/meta_reader.c b/lib/sqfs/meta_reader.c
index c95360d..38aac7e 100644
--- a/lib/sqfs/meta_reader.c
+++ b/lib/sqfs/meta_reader.c
@@ -8,6 +8,8 @@
 #include "config.h"
 
 #include "sqfs/meta_reader.h"
+#include "sqfs/compress.h"
+#include "sqfs/data.h"
 #include "util.h"
 
 #include <stdlib.h>
diff --git a/lib/sqfs/meta_writer.c b/lib/sqfs/meta_writer.c
index 8bea3a7..fdeea2e 100644
--- a/lib/sqfs/meta_writer.c
+++ b/lib/sqfs/meta_writer.c
@@ -8,6 +8,7 @@
 #include "config.h"
 
 #include "sqfs/meta_writer.h"
+#include "sqfs/compress.h"
 #include "sqfs/data.h"
 #include "util.h"
 
diff --git a/lib/sqfs/process_block.c b/lib/sqfs/process_block.c
index 9e1e8cc..2658ee7 100644
--- a/lib/sqfs/process_block.c
+++ b/lib/sqfs/process_block.c
@@ -8,6 +8,7 @@
 #include "config.h"
 
 #include "sqfs/block_processor.h"
+#include "sqfs/compress.h"
 #include "util.h"
 
 #include <string.h>
diff --git a/lib/sqfs/read_inode.c b/lib/sqfs/read_inode.c
index c249c95..70ed9f1 100644
--- a/lib/sqfs/read_inode.c
+++ b/lib/sqfs/read_inode.c
@@ -7,6 +7,8 @@
 #define SQFS_BUILDING_DLL
 #include "config.h"
 
+#include "sqfs/meta_reader.h"
+#include "sqfs/super.h"
 #include "sqfs/inode.h"
 #include "util.h"
 
diff --git a/lib/sqfs/readdir.c b/lib/sqfs/readdir.c
index 1c1082a..e1712be 100644
--- a/lib/sqfs/readdir.c
+++ b/lib/sqfs/readdir.c
@@ -7,6 +7,7 @@
 #define SQFS_BUILDING_DLL
 #include "config.h"
 
+#include "sqfs/meta_reader.h"
 #include "sqfs/dir.h"
 
 #include <stdlib.h>
diff --git a/lib/sqfs/write_inode.c b/lib/sqfs/write_inode.c
index 7714da9..c51c1a3 100644
--- a/lib/sqfs/write_inode.c
+++ b/lib/sqfs/write_inode.c
@@ -7,6 +7,7 @@
 #define SQFS_BUILDING_DLL
 #include "config.h"
 
+#include "sqfs/meta_writer.h"
 #include "sqfs/inode.h"
 
 static int write_block_sizes(sqfs_meta_writer_t *ir, sqfs_inode_generic_t *n)
diff --git a/lib/sqfs/xattr_reader.c b/lib/sqfs/xattr_reader.c
index 11933d8..aeee574 100644
--- a/lib/sqfs/xattr_reader.c
+++ b/lib/sqfs/xattr_reader.c
@@ -8,7 +8,9 @@
 #include "config.h"
 
 #include "sqfs/meta_reader.h"
+#include "sqfs/super.h"
 #include "sqfs/xattr.h"
+#include "sqfs/data.h"
 #include "util.h"
 
 #include <stdlib.h>