-#ifndef __UNARCHIVE_H__
-#define __UNARCHIVE_H__
-
-#define ARCHIVE_PRESERVE_DATE 1
-#define ARCHIVE_CREATE_LEADING_DIRS 2
-#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
-#define ARCHIVE_EXTRACT_QUIET 8
-#define ARCHIVE_EXTRACT_NEWER 16
-
-#include <sys/types.h>
-#include <stdio.h>
-#include "libbb.h"
-
-typedef struct file_headers_s {
+/* vi: set sw=4 ts=4: */
+#ifndef UNARCHIVE_H
+#define UNARCHIVE_H 1
+
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
+
+#define ARCHIVE_PRESERVE_DATE 1
+#define ARCHIVE_CREATE_LEADING_DIRS 2
+#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
+#define ARCHIVE_EXTRACT_QUIET 8
+#define ARCHIVE_EXTRACT_NEWER 16
+#define ARCHIVE_NOPRESERVE_OWN 32
+#define ARCHIVE_NOPRESERVE_PERM 64
+#define ARCHIVE_NUMERIC_OWNER 128
+
+typedef struct file_header_t {
char *name;
- char *link_name;
+ char *link_target;
+#if ENABLE_FEATURE_TAR_UNAME_GNAME
+ char *uname;
+ char *gname;
+#endif
off_t size;
uid_t uid;
gid_t gid;
dev_t device;
} file_header_t;
-typedef struct archive_handle_s {
- /* define if the header and data compenent should processed */
- char (*filter)(struct archive_handle_s *);
+typedef struct archive_handle_t {
+ /* Define if the header and data component should be processed */
+ char FAST_FUNC (*filter)(struct archive_handle_t *);
llist_t *accept;
+ /* List of files that have been rejected */
llist_t *reject;
- llist_t *passed; /* List of files that have successfully been worked on */
+ /* List of files that have successfully been worked on */
+ llist_t *passed;
/* Contains the processed header entry */
file_header_t *file_header;
- /* process the header component, e.g. tar -t */
- void (*action_header)(const file_header_t *);
+ /* Process the header component, e.g. tar -t */
+ void FAST_FUNC (*action_header)(const file_header_t *);
- /* process the data component, e.g. extract to filesystem */
- void (*action_data)(struct archive_handle_s *);
-
- /* How to process any sub archive, e.g. get_header_tar_gz */
- char (*action_data_subarchive)(struct archive_handle_s *);
+ /* Process the data component, e.g. extract to filesystem */
+ void FAST_FUNC (*action_data)(struct archive_handle_t *);
+#if ENABLE_DPKG || ENABLE_DPKG_DEB
+ /* "subarchive" is used only by dpkg[-deb] applets */
+ /* How to process any sub archive, e.g. get_header_tar_gz */
+ char FAST_FUNC (*action_data_subarchive)(struct archive_handle_t *);
/* Contains the handle to a sub archive */
- struct archive_handle_s *sub_archive;
+ struct archive_handle_t *sub_archive;
+#endif
/* The raw stream as read from disk or stdin */
int src_fd;
/* Count the number of bytes processed */
off_t offset;
- /* Function that reads data: read or read_bz */
- ssize_t (*read)(int fd, void *buf, size_t count);
-
/* Function that skips data: read_by_char or read_by_skip */
- void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount);
+ void FAST_FUNC (*seek)(const struct archive_handle_t *archive_handle, const unsigned amount);
/* Temporary storage */
char *buffer;
- /* Misc. stuff */
- unsigned char flags;
-
-} archive_handle_t;
-
-extern archive_handle_t *init_handle(void);
-
-extern char filter_accept_all(archive_handle_t *archive_handle);
-extern char filter_accept_list(archive_handle_t *archive_handle);
-extern char filter_accept_list_reassign(archive_handle_t *archive_handle);
-extern char filter_accept_reject_list(archive_handle_t *archive_handle);
-
-extern void unpack_ar_archive(archive_handle_t *ar_archive);
-
-extern void data_skip(archive_handle_t *archive_handle);
-extern void data_extract_all(archive_handle_t *archive_handle);
-extern void data_extract_to_stdout(archive_handle_t *archive_handle);
-extern void data_extract_to_buffer(archive_handle_t *archive_handle);
-
-extern void header_skip(const file_header_t *file_header);
-extern void header_list(const file_header_t *file_header);
-extern void header_verbose_list(const file_header_t *file_header);
+ /* Flags and misc. stuff */
+ unsigned char ah_flags;
-extern void check_header_gzip(int src_fd);
-extern void check_trailer_gzip(int src_fd);
+ /* "Private" storage for archivers */
+// unsigned char ah_priv_inited;
+ void *ah_priv[8];
-extern char get_header_ar(archive_handle_t *archive_handle);
-extern char get_header_cpio(archive_handle_t *archive_handle);
-extern char get_header_tar(archive_handle_t *archive_handle);
-extern char get_header_tar_bz2(archive_handle_t *archive_handle);
-extern char get_header_tar_gz(archive_handle_t *archive_handle);
-
-extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount);
-extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int amount);
-
-extern unsigned char archive_xread_char(const archive_handle_t *archive_handle);
-extern ssize_t archive_xread(const archive_handle_t *archive_handle, unsigned char *buf, const size_t count);
-extern void archive_xread_all(const archive_handle_t *archive_handle, void *buf, const size_t count);
-extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count);
+} archive_handle_t;
-extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary);
-extern void archive_copy_file(const archive_handle_t *archive_handle, const int dst_fd);
-extern const llist_t *find_list_entry(const llist_t *list, const char *filename);
-extern ssize_t read_bz2(int fd, void *buf, size_t count);
-extern void BZ2_bzReadOpen(int fd, void *unused, int nUnused);
-extern void BZ2_bzReadClose(void);
-extern unsigned char uncompressStream(int src_fd, int dst_fd);
+/* Info struct unpackers can fill out to inform users of thing like
+ * timestamps of unpacked files */
+typedef struct unpack_info_t {
+ time_t mtime;
+} unpack_info_t;
+
+extern archive_handle_t *init_handle(void) FAST_FUNC;
+
+extern char filter_accept_all(archive_handle_t *archive_handle) FAST_FUNC;
+extern char filter_accept_list(archive_handle_t *archive_handle) FAST_FUNC;
+extern char filter_accept_list_reassign(archive_handle_t *archive_handle) FAST_FUNC;
+extern char filter_accept_reject_list(archive_handle_t *archive_handle) FAST_FUNC;
+
+extern void unpack_ar_archive(archive_handle_t *ar_archive) FAST_FUNC;
+
+extern void data_skip(archive_handle_t *archive_handle) FAST_FUNC;
+extern void data_extract_all(archive_handle_t *archive_handle) FAST_FUNC;
+extern void data_extract_to_stdout(archive_handle_t *archive_handle) FAST_FUNC;
+extern void data_extract_to_buffer(archive_handle_t *archive_handle) FAST_FUNC;
+
+extern void header_skip(const file_header_t *file_header) FAST_FUNC;
+extern void header_list(const file_header_t *file_header) FAST_FUNC;
+extern void header_verbose_list(const file_header_t *file_header) FAST_FUNC;
+
+extern char get_header_ar(archive_handle_t *archive_handle) FAST_FUNC;
+extern char get_header_cpio(archive_handle_t *archive_handle) FAST_FUNC;
+extern char get_header_tar(archive_handle_t *archive_handle) FAST_FUNC;
+extern char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
+extern char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC;
+extern char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC;
+
+extern void seek_by_jump(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
+extern void seek_by_read(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
+
+extern void data_align(archive_handle_t *archive_handle, unsigned boundary) FAST_FUNC;
+extern const llist_t *find_list_entry(const llist_t *list, const char *filename) FAST_FUNC;
+extern const llist_t *find_list_entry2(const llist_t *list, const char *filename) FAST_FUNC;
+
+/* A bit of bunzip2 internals are exposed for compressed help support: */
+typedef struct bunzip_data bunzip_data;
+int start_bunzip(bunzip_data **bdp, int in_fd, const unsigned char *inbuf, int len) FAST_FUNC;
+int read_bunzip(bunzip_data *bd, char *outbuf, int len) FAST_FUNC;
+void dealloc_bunzip(bunzip_data *bd) FAST_FUNC;
+
+typedef struct inflate_unzip_result {
+ off_t bytes_out;
+ uint32_t crc;
+} inflate_unzip_result;
+
+IF_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, off_t compr_size, int src_fd, int dst_fd) FAST_FUNC;
+/* lzma unpacker takes .lzma stream from offset 0 */
+IF_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd) FAST_FUNC;
+/* the rest wants 2 first bytes already skipped by the caller */
+IF_DESKTOP(long long) int unpack_bz2_stream(int src_fd, int dst_fd) FAST_FUNC;
+IF_DESKTOP(long long) int unpack_gz_stream(int src_fd, int dst_fd) FAST_FUNC;
+IF_DESKTOP(long long) int unpack_gz_stream_with_info(int src_fd, int dst_fd, unpack_info_t *info) FAST_FUNC;
+IF_DESKTOP(long long) int unpack_Z_stream(int fd_in, int fd_out) FAST_FUNC;
+/* wrapper which checks first two bytes to be "BZ" */
+IF_DESKTOP(long long) int unpack_bz2_stream_prime(int src_fd, int dst_fd) FAST_FUNC;
+
+int bbunpack(char **argv,
+ char* (*make_new_name)(char *filename),
+ IF_DESKTOP(long long) int (*unpacker)(unpack_info_t *info)) FAST_FUNC;
+
+#if BB_MMU
+void open_transformer(int fd,
+ IF_DESKTOP(long long) int FAST_FUNC (*transformer)(int src_fd, int dst_fd)) FAST_FUNC;
+#define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transformer)
+#else
+void open_transformer(int src_fd, const char *transform_prog) FAST_FUNC;
+#define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transform_prog)
+#endif
-extern ssize_t read_gz(int fd, void *buf, size_t count);
-extern void GZ_gzReadOpen(int fd, void *unused, int nUnused);
-extern void GZ_gzReadClose(void);
-extern int inflate(int in, int out);
+POP_SAVED_FUNCTION_VISIBILITY
#endif
projects / oweals / busybox.git / blobdiff