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-rw-r--r--include/sqfs/block_processor.h14
-rw-r--r--include/sqfs/compress.h13
-rw-r--r--include/sqfs/dir.h32
-rw-r--r--include/sqfs/id_table.h22
-rw-r--r--include/sqfs/inode.h6
-rw-r--r--include/sqfs/meta_reader.h22
-rw-r--r--include/sqfs/meta_writer.h24
-rw-r--r--include/sqfs/predef.h36
-rw-r--r--include/sqfs/super.h11
-rw-r--r--include/sqfs/table.h15
-rw-r--r--include/sqfs/xattr.h24
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