diff options
Diffstat (limited to 'include/sqfs')
| -rw-r--r-- | include/sqfs/block_processor.h | 14 | ||||
| -rw-r--r-- | include/sqfs/compress.h | 13 | ||||
| -rw-r--r-- | include/sqfs/dir.h | 32 | ||||
| -rw-r--r-- | include/sqfs/id_table.h | 22 | ||||
| -rw-r--r-- | include/sqfs/inode.h | 6 | ||||
| -rw-r--r-- | include/sqfs/meta_reader.h | 22 | ||||
| -rw-r--r-- | include/sqfs/meta_writer.h | 24 | ||||
| -rw-r--r-- | include/sqfs/predef.h | 36 | ||||
| -rw-r--r-- | include/sqfs/super.h | 11 | ||||
| -rw-r--r-- | include/sqfs/table.h | 15 | ||||
| -rw-r--r-- | include/sqfs/xattr.h | 24 |
11 files changed, 141 insertions, 78 deletions
diff --git a/include/sqfs/block_processor.h b/include/sqfs/block_processor.h index bde0a2e..97bfd34 100644 --- a/include/sqfs/block_processor.h +++ b/include/sqfs/block_processor.h @@ -8,6 +8,7 @@ #define SFQS_BLOCK_PROCESSOR_H #include "config.h" +#include "sqfs/predef.h" #include "sqfs/compress.h" enum { @@ -67,13 +68,14 @@ typedef int (*sqfs_block_cb)(void *user, sqfs_block_t *blk); extern "C" { #endif +SQFS_API sqfs_block_processor_t *sqfs_block_processor_create(size_t max_block_size, sqfs_compressor_t *cmp, unsigned int num_workers, void *user, sqfs_block_cb callback); -void sqfs_block_processor_destroy(sqfs_block_processor_t *proc); +SQFS_API void sqfs_block_processor_destroy(sqfs_block_processor_t *proc); /* Add a block to be processed. Returns non-zero on error and prints a message @@ -85,22 +87,22 @@ void sqfs_block_processor_destroy(sqfs_block_processor_t *proc); Even on failure, the workers may still be running and sqfs_block_processor_finish must be called before cleaning up. */ -int sqfs_block_processor_enqueue(sqfs_block_processor_t *proc, - sqfs_block_t *block); +SQFS_API int sqfs_block_processor_enqueue(sqfs_block_processor_t *proc, + sqfs_block_t *block); /* Wait for the compressor workers to finish. Returns zero on success, non-zero if an internal error occoured or one of the block callbacks returned a non-zero value. */ -int sqfs_block_processor_finish(sqfs_block_processor_t *proc); +SQFS_API int sqfs_block_processor_finish(sqfs_block_processor_t *proc); /* Convenience function to process a data block. Returns 0 on success, prints to stderr on failure. */ -int sqfs_block_process(sqfs_block_t *block, sqfs_compressor_t *cmp, - uint8_t *scratch, size_t scratch_size); +SQFS_API int sqfs_block_process(sqfs_block_t *block, sqfs_compressor_t *cmp, + uint8_t *scratch, size_t scratch_size); #ifdef __cplusplus } diff --git a/include/sqfs/compress.h b/include/sqfs/compress.h index c826c84..27c603d 100644 --- a/include/sqfs/compress.h +++ b/include/sqfs/compress.h @@ -14,6 +14,7 @@ #include <stddef.h> #include <stdint.h> +#include "sqfs/predef.h" #include "sqfs/super.h" typedef struct sqfs_compressor_t sqfs_compressor_t; @@ -132,16 +133,18 @@ typedef enum { extern "C" { #endif -int sqfs_compressor_config_init(sqfs_compressor_config_t *cfg, - E_SQFS_COMPRESSOR id, - size_t block_size, uint16_t flags); +SQFS_API int sqfs_compressor_config_init(sqfs_compressor_config_t *cfg, + E_SQFS_COMPRESSOR id, + size_t block_size, uint16_t flags); -bool sqfs_compressor_exists(E_SQFS_COMPRESSOR id); +SQFS_API bool sqfs_compressor_exists(E_SQFS_COMPRESSOR id); +SQFS_API sqfs_compressor_t *sqfs_compressor_create(const sqfs_compressor_config_t *cfg); -const char *sqfs_compressor_name_from_id(E_SQFS_COMPRESSOR id); +SQFS_API const char *sqfs_compressor_name_from_id(E_SQFS_COMPRESSOR id); +SQFS_API int sqfs_compressor_id_from_name(const char *name, E_SQFS_COMPRESSOR *out); #ifdef __cplusplus diff --git a/include/sqfs/dir.h b/include/sqfs/dir.h index c57831c..3a65102 100644 --- a/include/sqfs/dir.h +++ b/include/sqfs/dir.h @@ -9,6 +9,7 @@ #include "config.h" +#include "sqfs/predef.h" #include "sqfs/meta_reader.h" #include "sqfs/meta_writer.h" @@ -44,33 +45,34 @@ extern "C" { #endif /* Returns 0 on success. Internally prints to stderr on failure */ -int sqfs_meta_reader_read_dir_header(sqfs_meta_reader_t *m, - sqfs_dir_header_t *hdr); +SQFS_API int sqfs_meta_reader_read_dir_header(sqfs_meta_reader_t *m, + sqfs_dir_header_t *hdr); /* Entry can be freed with a single free() call. The function internally prints to stderr on failure */ -sqfs_dir_entry_t *sqfs_meta_reader_read_dir_ent(sqfs_meta_reader_t *m); +SQFS_API sqfs_dir_entry_t *sqfs_meta_reader_read_dir_ent(sqfs_meta_reader_t *m); -sqfs_dir_writer_t *sqfs_dir_writer_create(sqfs_meta_writer_t *dm); +SQFS_API sqfs_dir_writer_t *sqfs_dir_writer_create(sqfs_meta_writer_t *dm); -void sqfs_dir_writer_destroy(sqfs_dir_writer_t *writer); +SQFS_API void sqfs_dir_writer_destroy(sqfs_dir_writer_t *writer); -int sqfs_dir_writer_begin(sqfs_dir_writer_t *writer); +SQFS_API int sqfs_dir_writer_begin(sqfs_dir_writer_t *writer); -int sqfs_dir_writer_add_entry(sqfs_dir_writer_t *writer, const char *name, - uint32_t inode_num, uint64_t inode_ref, - mode_t mode); +SQFS_API int sqfs_dir_writer_add_entry(sqfs_dir_writer_t *writer, + const char *name, + uint32_t inode_num, uint64_t inode_ref, + mode_t mode); -int sqfs_dir_writer_end(sqfs_dir_writer_t *writer); +SQFS_API int sqfs_dir_writer_end(sqfs_dir_writer_t *writer); -size_t sqfs_dir_writer_get_size(sqfs_dir_writer_t *writer); +SQFS_API size_t sqfs_dir_writer_get_size(sqfs_dir_writer_t *writer); -uint64_t sqfs_dir_writer_get_dir_reference(sqfs_dir_writer_t *writer); +SQFS_API uint64_t sqfs_dir_writer_get_dir_reference(sqfs_dir_writer_t *writer); -size_t sqfs_dir_writer_get_index_size(sqfs_dir_writer_t *writer); +SQFS_API size_t sqfs_dir_writer_get_index_size(sqfs_dir_writer_t *writer); -int sqfs_dir_writer_write_index(sqfs_dir_writer_t *writer, - sqfs_meta_writer_t *im); +SQFS_API int sqfs_dir_writer_write_index(sqfs_dir_writer_t *writer, + sqfs_meta_writer_t *im); #ifdef __cplusplus } diff --git a/include/sqfs/id_table.h b/include/sqfs/id_table.h index 0e652ec..f8b3b5c 100644 --- a/include/sqfs/id_table.h +++ b/include/sqfs/id_table.h @@ -12,7 +12,8 @@ #include <stdint.h> #include <stddef.h> -#include "compress.h" +#include "sqfs/predef.h" +#include "sqfs/compress.h" typedef struct sqfs_id_table_t sqfs_id_table_t; @@ -21,26 +22,27 @@ extern "C" { #endif /* Prints error message to stderr on failure. */ -sqfs_id_table_t *sqfs_id_table_create(void); +SQFS_API sqfs_id_table_t *sqfs_id_table_create(void); -void sqfs_id_table_destroy(sqfs_id_table_t *tbl); +SQFS_API void sqfs_id_table_destroy(sqfs_id_table_t *tbl); /* Resolve a 32 bit to a 16 bit table index. Returns 0 on success. Internally prints errors to stderr. */ -int sqfs_id_table_id_to_index(sqfs_id_table_t *tbl, uint32_t id, uint16_t *out); +SQFS_API int sqfs_id_table_id_to_index(sqfs_id_table_t *tbl, uint32_t id, + uint16_t *out); /* Write an ID table to a SquashFS image. Returns 0 on success. Internally prints error message to stderr. */ -int sqfs_id_table_write(sqfs_id_table_t *tbl, int outfd, sqfs_super_t *super, - sqfs_compressor_t *cmp); +SQFS_API int sqfs_id_table_write(sqfs_id_table_t *tbl, int outfd, + sqfs_super_t *super, sqfs_compressor_t *cmp); /* Read an ID table from a SquashFS image. Returns 0 on success. Internally prints error messages to stderr. */ -int sqfs_id_table_read(sqfs_id_table_t *tbl, int fd, sqfs_super_t *super, - sqfs_compressor_t *cmp); +SQFS_API int sqfs_id_table_read(sqfs_id_table_t *tbl, int fd, + sqfs_super_t *super, sqfs_compressor_t *cmp); -int sqfs_id_table_index_to_id(const sqfs_id_table_t *tbl, uint16_t index, - uint32_t *out); +SQFS_API int sqfs_id_table_index_to_id(const sqfs_id_table_t *tbl, + uint16_t index, uint32_t *out); #ifdef __cplusplus } diff --git a/include/sqfs/inode.h b/include/sqfs/inode.h index d693aec..37a088c 100644 --- a/include/sqfs/inode.h +++ b/include/sqfs/inode.h @@ -9,6 +9,7 @@ #include "config.h" +#include "sqfs/predef.h" #include "sqfs/meta_reader.h" #include "sqfs/meta_writer.h" @@ -138,13 +139,14 @@ extern "C" { /* Inode can be freed with a single free() call. The function internally prints error message to stderr on failure. */ +SQFS_API sqfs_inode_generic_t *sqfs_meta_reader_read_inode(sqfs_meta_reader_t *ir, sqfs_super_t *super, uint64_t block_start, size_t offset); -int sqfs_meta_writer_write_inode(sqfs_meta_writer_t *iw, - sqfs_inode_generic_t *n); +SQFS_API int sqfs_meta_writer_write_inode(sqfs_meta_writer_t *iw, + sqfs_inode_generic_t *n); #ifdef __cplusplus } diff --git a/include/sqfs/meta_reader.h b/include/sqfs/meta_reader.h index 6f0d184..1e5e027 100644 --- a/include/sqfs/meta_reader.h +++ b/include/sqfs/meta_reader.h @@ -9,6 +9,7 @@ #include "config.h" +#include "sqfs/predef.h" #include "sqfs/compress.h" #include "sqfs/data.h" @@ -24,21 +25,24 @@ extern "C" { Start offset and limit can be specified to do bounds checking against a subregion of the filesystem image. */ -sqfs_meta_reader_t *sqfs_meta_reader_create(int fd, sqfs_compressor_t *cmp, - uint64_t start, uint64_t limit); +SQFS_API sqfs_meta_reader_t *sqfs_meta_reader_create(int fd, + sqfs_compressor_t *cmp, + uint64_t start, + uint64_t limit); -void sqfs_meta_reader_destroy(sqfs_meta_reader_t *m); +SQFS_API void sqfs_meta_reader_destroy(sqfs_meta_reader_t *m); /* Returns 0 on success. Internally prints to stderr on failure */ -int sqfs_meta_reader_seek(sqfs_meta_reader_t *m, uint64_t block_start, - size_t offset); +SQFS_API int sqfs_meta_reader_seek(sqfs_meta_reader_t *m, uint64_t block_start, + size_t offset); -void sqfs_meta_reader_get_position(sqfs_meta_reader_t *m, - uint64_t *block_start, - size_t *offset); +SQFS_API void sqfs_meta_reader_get_position(sqfs_meta_reader_t *m, + uint64_t *block_start, + size_t *offset); /* Returns 0 on success. Internally prints to stderr on failure */ -int sqfs_meta_reader_read(sqfs_meta_reader_t *m, void *data, size_t size); +SQFS_API int sqfs_meta_reader_read(sqfs_meta_reader_t *m, void *data, + size_t size); #ifdef __cplusplus } diff --git a/include/sqfs/meta_writer.h b/include/sqfs/meta_writer.h index bb14993..3611984 100644 --- a/include/sqfs/meta_writer.h +++ b/include/sqfs/meta_writer.h @@ -9,6 +9,7 @@ #include "config.h" +#include "sqfs/predef.h" #include "sqfs/compress.h" #include "sqfs/id_table.h" #include "sqfs/data.h" @@ -24,31 +25,32 @@ extern "C" { If keep_in_mem is true, the blocks are collected in memory and must be explicitly flushed to disk using meta_write_write_to_file. */ -sqfs_meta_writer_t *sqfs_meta_writer_create(int fd, sqfs_compressor_t *cmp, - bool keep_in_mem); +SQFS_API sqfs_meta_writer_t *sqfs_meta_writer_create(int fd, + sqfs_compressor_t *cmp, + bool keep_in_mem); -void sqfs_meta_writer_destroy(sqfs_meta_writer_t *m); +SQFS_API void sqfs_meta_writer_destroy(sqfs_meta_writer_t *m); /* Compress and flush the currently unfinished block to disk. Returns 0 on success, internally prints error message to stderr on failure */ -int sqfs_meta_writer_flush(sqfs_meta_writer_t *m); +SQFS_API int sqfs_meta_writer_flush(sqfs_meta_writer_t *m); /* Returns 0 on success. Prints error message to stderr on failure. */ -int sqfs_meta_writer_append(sqfs_meta_writer_t *m, const void *data, - size_t size); +SQFS_API int sqfs_meta_writer_append(sqfs_meta_writer_t *m, const void *data, + size_t size); /* Query the current block start position and offset within the block */ -void sqfs_meta_writer_get_position(const sqfs_meta_writer_t *m, - uint64_t *block_start, - uint32_t *offset); +SQFS_API void sqfs_meta_writer_get_position(const sqfs_meta_writer_t *m, + uint64_t *block_start, + uint32_t *offset); /* Reset all internal state, including the current block start position. */ -void sqfs_meta_writer_reset(sqfs_meta_writer_t *m); +SQFS_API void sqfs_meta_writer_reset(sqfs_meta_writer_t *m); /* If created with keep_in_mem true, write the collected blocks to disk. Does not flush the current block. Writes error messages to stderr and returns non-zero on failure. */ -int sqfs_meta_write_write_to_file(sqfs_meta_writer_t *m); +SQFS_API int sqfs_meta_write_write_to_file(sqfs_meta_writer_t *m); #ifdef __cplusplus } diff --git a/include/sqfs/predef.h b/include/sqfs/predef.h new file mode 100644 index 0000000..210f306 --- /dev/null +++ b/include/sqfs/predef.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * predef.h + * + * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> + */ +#ifndef SQFS_PREDEF_H +#define SQFS_PREDEF_H + +#if defined(_WIN32) || defined(__CYGWIN__) + #ifdef SQFS_BUILDING_DLL + #if defined(__GNUC__) || defined(__clang__) + #define SQFS_API __attribute__ ((dllexport)) + #else + #define SQFS_API __declspec(dllexport) + #endif + #else + #if defined(__GNUC__) || defined(__clang__) + #define SQFS_API __attribute__ ((dllimport)) + #else + #define SQFS_API __declspec(dllimport) + #endif + #endif + + #define SQFS_INTERNAL +#else + #if defined(__GNUC__) || defined(__clang__) + #define SQFS_API __attribute__ ((visibility ("default"))) + #define SQFS_INTERNAL __attribute__ ((visibility ("hidden"))) + #else + #define SQFS_API + #define SQFS_INTERNAL + #endif +#endif + +#endif /* SQFS_PREDEF_H */ diff --git a/include/sqfs/super.h b/include/sqfs/super.h index 0df1691..6593555 100644 --- a/include/sqfs/super.h +++ b/include/sqfs/super.h @@ -9,6 +9,8 @@ #include "config.h" +#include "sqfs/predef.h" + #include <stdint.h> #include <stddef.h> @@ -71,14 +73,15 @@ extern "C" { #endif /* Returns 0 on success. Prints error messages to stderr on failure. */ -int sqfs_super_init(sqfs_super_t *super, size_t block_size, uint32_t mtime, - E_SQFS_COMPRESSOR compressor); +SQFS_API int sqfs_super_init(sqfs_super_t *super, size_t block_size, + uint32_t mtime, + E_SQFS_COMPRESSOR compressor); /* Returns 0 on success. Prints error messages to stderr on failure. */ -int sqfs_super_write(sqfs_super_t *super, int fd); +SQFS_API int sqfs_super_write(sqfs_super_t *super, int fd); /* Returns 0 on success. Prints error messages to stderr on failure. */ -int sqfs_super_read(sqfs_super_t *super, int fd); +SQFS_API int sqfs_super_read(sqfs_super_t *super, int fd); #ifdef __cplusplus } diff --git a/include/sqfs/table.h b/include/sqfs/table.h index b5eeb54..0bd3112 100644 --- a/include/sqfs/table.h +++ b/include/sqfs/table.h @@ -7,6 +7,7 @@ #ifndef SQFS_TABLE_H #define SQFS_TABLE_H +#include "sqfs/predef.h" #include "sqfs/compress.h" #include "sqfs/super.h" @@ -28,12 +29,14 @@ extern "C" { Returns 0 on success. Internally prints error messages to stderr. */ -int sqfs_write_table(int outfd, sqfs_super_t *super, sqfs_compressor_t *cmp, - const void *data, size_t table_size, uint64_t *start); - -void *sqfs_read_table(int fd, sqfs_compressor_t *cmp, size_t table_size, - uint64_t location, uint64_t lower_limit, - uint64_t upper_limit); +SQFS_API int sqfs_write_table(int outfd, sqfs_super_t *super, + sqfs_compressor_t *cmp, + const void *data, size_t table_size, + uint64_t *start); + +SQFS_API void *sqfs_read_table(int fd, sqfs_compressor_t *cmp, + size_t table_size, uint64_t location, + uint64_t lower_limit, uint64_t upper_limit); #ifdef __cplusplus } diff --git a/include/sqfs/xattr.h b/include/sqfs/xattr.h index 5350534..d1b3bdd 100644 --- a/include/sqfs/xattr.h +++ b/include/sqfs/xattr.h @@ -9,6 +9,7 @@ #include "config.h" +#include "sqfs/predef.h" #include "sqfs/compress.h" #include <stdbool.h> @@ -54,28 +55,31 @@ extern "C" { #endif /* Get a prefix string from the ID or NULL if unknown */ -const char *sqfs_get_xattr_prefix(E_SQFS_XATTR_TYPE id); +SQFS_API const char *sqfs_get_xattr_prefix(E_SQFS_XATTR_TYPE id); /* Get id from xattr key prefix or -1 if not supported */ -int sqfs_get_xattr_prefix_id(const char *key); +SQFS_API int sqfs_get_xattr_prefix_id(const char *key); /* Check if a given xattr key can be encoded in squashfs at all. */ -bool sqfs_has_xattr(const char *key); +SQFS_API bool sqfs_has_xattr(const char *key); -void sqfs_xattr_reader_destroy(sqfs_xattr_reader_t *xr); +SQFS_API void sqfs_xattr_reader_destroy(sqfs_xattr_reader_t *xr); -sqfs_xattr_reader_t *sqfs_xattr_reader_create(int sqfsfd, sqfs_super_t *super, - sqfs_compressor_t *cmp); +SQFS_API sqfs_xattr_reader_t *sqfs_xattr_reader_create(int sqfsfd, + sqfs_super_t *super, + sqfs_compressor_t *cmp); -int sqfs_xattr_reader_get_desc(sqfs_xattr_reader_t *xr, uint32_t idx, - sqfs_xattr_id_t *desc); +SQFS_API int sqfs_xattr_reader_get_desc(sqfs_xattr_reader_t *xr, uint32_t idx, + sqfs_xattr_id_t *desc); -int sqfs_xattr_reader_seek_kv(sqfs_xattr_reader_t *xr, - const sqfs_xattr_id_t *desc); +SQFS_API int sqfs_xattr_reader_seek_kv(sqfs_xattr_reader_t *xr, + const sqfs_xattr_id_t *desc); +SQFS_API sqfs_xattr_value_t *sqfs_xattr_reader_read_value(sqfs_xattr_reader_t *xr, const sqfs_xattr_entry_t *key); +SQFS_API sqfs_xattr_entry_t *sqfs_xattr_reader_read_key(sqfs_xattr_reader_t *xr); #ifdef __cplusplus |