1 /* vi: set sw=4 ts=4: */
5 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
7 #define ARCHIVE_RESTORE_DATE (1 << 0)
8 #define ARCHIVE_CREATE_LEADING_DIRS (1 << 1)
9 #define ARCHIVE_UNLINK_OLD (1 << 2)
10 #define ARCHIVE_EXTRACT_QUIET (1 << 3)
11 #define ARCHIVE_EXTRACT_NEWER (1 << 4)
12 #define ARCHIVE_DONT_RESTORE_OWNER (1 << 5)
13 #define ARCHIVE_DONT_RESTORE_PERM (1 << 6)
14 #define ARCHIVE_NUMERIC_OWNER (1 << 7)
16 typedef struct file_header_t {
19 #if ENABLE_FEATURE_TAR_UNAME_GNAME
31 typedef struct archive_handle_t {
32 /* Define if the header and data component should be processed */
33 char FAST_FUNC (*filter)(struct archive_handle_t *);
35 /* List of files that have been rejected */
37 /* List of files that have successfully been worked on */
40 /* Contains the processed header entry */
41 file_header_t *file_header;
43 /* Process the header component, e.g. tar -t */
44 void FAST_FUNC (*action_header)(const file_header_t *);
46 /* Process the data component, e.g. extract to filesystem */
47 void FAST_FUNC (*action_data)(struct archive_handle_t *);
49 #if ENABLE_DPKG || ENABLE_DPKG_DEB
50 /* "subarchive" is used only by dpkg[-deb] applets */
51 /* How to process any sub archive, e.g. get_header_tar_gz */
52 char FAST_FUNC (*action_data_subarchive)(struct archive_handle_t *);
53 /* Contains the handle to a sub archive */
54 struct archive_handle_t *sub_archive;
57 /* The raw stream as read from disk or stdin */
60 /* Count the number of bytes processed */
63 /* Function that skips data */
64 void FAST_FUNC (*seek)(int fd, off_t amount);
66 /* Temporary storage */
69 /* Flags and misc. stuff */
70 unsigned char ah_flags;
72 /* "Private" storage for archivers */
73 // unsigned char ah_priv_inited;
79 /* Info struct unpackers can fill out to inform users of thing like
80 * timestamps of unpacked files */
81 typedef struct unpack_info_t {
85 extern archive_handle_t *init_handle(void) FAST_FUNC;
87 extern char filter_accept_all(archive_handle_t *archive_handle) FAST_FUNC;
88 extern char filter_accept_list(archive_handle_t *archive_handle) FAST_FUNC;
89 extern char filter_accept_list_reassign(archive_handle_t *archive_handle) FAST_FUNC;
90 extern char filter_accept_reject_list(archive_handle_t *archive_handle) FAST_FUNC;
92 extern void unpack_ar_archive(archive_handle_t *ar_archive) FAST_FUNC;
94 extern void data_skip(archive_handle_t *archive_handle) FAST_FUNC;
95 extern void data_extract_all(archive_handle_t *archive_handle) FAST_FUNC;
96 extern void data_extract_to_stdout(archive_handle_t *archive_handle) FAST_FUNC;
97 extern void data_extract_to_buffer(archive_handle_t *archive_handle) FAST_FUNC;
99 extern void header_skip(const file_header_t *file_header) FAST_FUNC;
100 extern void header_list(const file_header_t *file_header) FAST_FUNC;
101 extern void header_verbose_list(const file_header_t *file_header) FAST_FUNC;
103 extern char get_header_ar(archive_handle_t *archive_handle) FAST_FUNC;
104 extern char get_header_cpio(archive_handle_t *archive_handle) FAST_FUNC;
105 extern char get_header_tar(archive_handle_t *archive_handle) FAST_FUNC;
106 extern char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
107 extern char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC;
108 extern char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC;
110 extern void seek_by_jump(int fd, off_t amount) FAST_FUNC;
111 extern void seek_by_read(int fd, off_t amount) FAST_FUNC;
113 extern void data_align(archive_handle_t *archive_handle, unsigned boundary) FAST_FUNC;
114 extern const llist_t *find_list_entry(const llist_t *list, const char *filename) FAST_FUNC;
115 extern const llist_t *find_list_entry2(const llist_t *list, const char *filename) FAST_FUNC;
117 /* A bit of bunzip2 internals are exposed for compressed help support: */
118 typedef struct bunzip_data bunzip_data;
119 int start_bunzip(bunzip_data **bdp, int in_fd, const unsigned char *inbuf, int len) FAST_FUNC;
120 int read_bunzip(bunzip_data *bd, char *outbuf, int len) FAST_FUNC;
121 void dealloc_bunzip(bunzip_data *bd) FAST_FUNC;
123 typedef struct inflate_unzip_result {
126 } inflate_unzip_result;
128 IF_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, off_t compr_size, int src_fd, int dst_fd) FAST_FUNC;
129 /* lzma unpacker takes .lzma stream from offset 0 */
130 IF_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd) FAST_FUNC;
131 /* the rest wants 2 first bytes already skipped by the caller */
132 IF_DESKTOP(long long) int unpack_bz2_stream(int src_fd, int dst_fd) FAST_FUNC;
133 IF_DESKTOP(long long) int unpack_gz_stream(int src_fd, int dst_fd) FAST_FUNC;
134 IF_DESKTOP(long long) int unpack_gz_stream_with_info(int src_fd, int dst_fd, unpack_info_t *info) FAST_FUNC;
135 IF_DESKTOP(long long) int unpack_Z_stream(int fd_in, int fd_out) FAST_FUNC;
136 /* wrapper which checks first two bytes to be "BZ" */
137 IF_DESKTOP(long long) int unpack_bz2_stream_prime(int src_fd, int dst_fd) FAST_FUNC;
139 int bbunpack(char **argv,
140 char* (*make_new_name)(char *filename),
141 IF_DESKTOP(long long) int (*unpacker)(unpack_info_t *info)) FAST_FUNC;
144 void open_transformer(int fd,
145 IF_DESKTOP(long long) int FAST_FUNC (*transformer)(int src_fd, int dst_fd)) FAST_FUNC;
146 #define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transformer)
148 void open_transformer(int src_fd, const char *transform_prog) FAST_FUNC;
149 #define open_transformer(fd, transformer, transform_prog) open_transformer(fd, transform_prog)
152 POP_SAVED_FUNCTION_VISIBILITY