/* Currently processed file's header */
file_header_t *file_header;
+ /* List of link placeholders */
+ llist_t *link_placeholders;
+
/* Process the header component, e.g. tar -t */
void FAST_FUNC (*action_header)(const file_header_t *);
off_t offset;
/* Archiver specific. Can make it a union if it ever gets big */
+#if ENABLE_FEATURE_TAR_LONG_OPTIONS
+ unsigned tar__strip_components;
+#endif
#define PAX_NEXT_FILE 0
#define PAX_GLOBAL 1
#if ENABLE_TAR || ENABLE_DPKG || ENABLE_DPKG_DEB
const char *ar__name;
struct archive_handle_t *ar__out;
#endif
+#if ENABLE_FEATURE_AR_LONG_FILENAMES
+ char *ar__long_names;
+ unsigned ar__long_name_size;
+#endif
} archive_handle_t;
/* bits in ah_flags */
#define ARCHIVE_RESTORE_DATE (1 << 0)
#define ARCHIVE_CREATE_LEADING_DIRS (1 << 1)
#define ARCHIVE_UNLINK_OLD (1 << 2)
-#define ARCHIVE_EXTRACT_QUIET (1 << 3)
-#define ARCHIVE_EXTRACT_NEWER (1 << 4)
-#define ARCHIVE_DONT_RESTORE_OWNER (1 << 5)
-#define ARCHIVE_DONT_RESTORE_PERM (1 << 6)
-#define ARCHIVE_NUMERIC_OWNER (1 << 7)
-#define ARCHIVE_O_TRUNC (1 << 8)
-#define ARCHIVE_REMEMBER_NAMES (1 << 9)
+#define ARCHIVE_EXTRACT_NEWER (1 << 3)
+#define ARCHIVE_DONT_RESTORE_OWNER (1 << 4)
+#define ARCHIVE_DONT_RESTORE_PERM (1 << 5)
+#define ARCHIVE_NUMERIC_OWNER (1 << 6)
+#define ARCHIVE_O_TRUNC (1 << 7)
+#define ARCHIVE_REMEMBER_NAMES (1 << 8)
#if ENABLE_RPM
-#define ARCHIVE_REPLACE_VIA_RENAME (1 << 10)
+#define ARCHIVE_REPLACE_VIA_RENAME (1 << 9)
#endif
char get_header_cpio(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
+char get_header_tar_xz(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_xz(archive_handle_t *archive_handle) FAST_FUNC;
void seek_by_read(int fd, off_t amount) FAST_FUNC;
const char *strip_unsafe_prefix(const char *str) FAST_FUNC;
+void create_or_remember_link(llist_t **link_placeholders,
+ const char *target,
+ const char *linkname,
+ int hard_link) FAST_FUNC;
+void create_links_from_list(llist_t *list) FAST_FUNC;
void data_align(archive_handle_t *archive_handle, unsigned boundary) FAST_FUNC;
const llist_t *find_list_entry(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 void *inbuf, int len) FAST_FUNC;
+int start_bunzip(void *, bunzip_data **bdp, int in_fd, const void *inbuf, int len) FAST_FUNC;
/* NB: read_bunzip returns < 0 on error, or the number of *unfilled* bytes
* in outbuf. IOW: on EOF returns len ("all bytes are not filled"), not 0: */
int read_bunzip(bunzip_data *bd, char *outbuf, int len) FAST_FUNC;
/* Meaning and direction (input/output) of the fields are transformer-specific */
typedef struct transformer_state_t {
- smallint check_signature; /* most often referenced member */
+ smallint signature_skipped; /* most often referenced member */
IF_DESKTOP(long long) int FAST_FUNC (*xformer)(struct transformer_state_t *xstate);
USE_FOR_NOMMU(const char *xformer_prog;)
char* FAST_FUNC (*make_new_name)(char *filename, const char *expected_ext),
const char *expected_ext
) FAST_FUNC;
+#define BBUNPK_OPTSTR "cfkvq"
+#define BBUNPK_OPTSTRLEN 5
+#define BBUNPK_OPTSTRMASK ((1 << BBUNPK_OPTSTRLEN) - 1)
+enum {
+ BBUNPK_OPT_STDOUT = 1 << 0,
+ BBUNPK_OPT_FORCE = 1 << 1,
+ /* only some decompressors: */
+ BBUNPK_OPT_KEEP = 1 << 2,
+ BBUNPK_OPT_VERBOSE = 1 << 3,
+ BBUNPK_OPT_QUIET = 1 << 4,
+ /* not included in BBUNPK_OPTSTR: */
+ BBUNPK_OPT_DECOMPRESS = 1 << 5,
+ BBUNPK_OPT_TEST = 1 << 6,
+ BBUNPK_SEAMLESS_MAGIC = (1 << 31) * ENABLE_ZCAT * SEAMLESS_COMPRESSION,
+};
void check_errors_in_children(int signo);
#if BB_MMU
void fork_transformer(int fd,
- int check_signature,
+ int signature_skipped,
IF_DESKTOP(long long) int FAST_FUNC (*transformer)(transformer_state_t *xstate)
) FAST_FUNC;
-#define fork_transformer_with_sig(fd, transformer, transform_prog) fork_transformer((fd), 1, (transformer))
-#define fork_transformer_with_no_sig(fd, transformer) fork_transformer((fd), 0, (transformer))
+#define fork_transformer_with_sig(fd, transformer, transform_prog) fork_transformer((fd), 0, (transformer))
+#define fork_transformer_with_no_sig(fd, transformer) fork_transformer((fd), 1, (transformer))
#else
void fork_transformer(int fd, const char *transform_prog) FAST_FUNC;
#define fork_transformer_with_sig(fd, transformer, transform_prog) fork_transformer((fd), (transform_prog))