X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Funarchive.h;h=05ab0c16a88b3517ea9cb1b87a68ffc3507357ba;hb=277eb6bb444dd0f348079d7d37487f224c9abe39;hp=7926dccf5c1cb968bd0c894cbc92aa651bca19ec;hpb=6ab32eb34ca6e0023bc7ab7f6ece9321116e091f;p=oweals%2Fbusybox.git diff --git a/include/unarchive.h b/include/unarchive.h index 7926dccf5..05ab0c16a 100644 --- a/include/unarchive.h +++ b/include/unarchive.h @@ -1,20 +1,18 @@ +/* vi: set sw=4 ts=4: */ #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_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 #include #include - -typedef struct gunzip_s { - unsigned short buffer_count; - unsigned char *buffer; - unsigned int crc; - unsigned int count; -} gunzip_t; +#include "libbb.h" typedef struct file_headers_s { char *name; @@ -27,17 +25,14 @@ typedef struct file_headers_s { dev_t device; } file_header_t; -typedef struct llist_s { - const char *data; - const struct llist_s *link; -} llist_t; - typedef struct archive_handle_s { - /* define if the header and data compenent should processed */ - char (*filter)(const llist_t *, const llist_t *, const char *); - const llist_t *accept; - const llist_t *reject; - const llist_t *passed; /* List of files that have successfully been worked on */ + /* define if the header and data component should processed */ + char (*filter)(struct archive_handle_s *); + llist_t *accept; + /* List of files that have been rejected */ + llist_t *reject; + /* List of files that have successfully been worked on */ + llist_t *passed; /* Contains the processed header entry */ file_header_t *file_header; @@ -45,8 +40,10 @@ typedef struct archive_handle_s { /* process the header component, e.g. tar -t */ void (*action_header)(const file_header_t *); - /* process the data componenet, e.g. extract to filesystem */ + /* 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 *); /* Contains the handle to a sub archive */ @@ -58,19 +55,23 @@ typedef struct archive_handle_s { /* Count the number of bytes processed */ off_t offset; - /* Temperary storage */ + /* Function that skips data: read_by_char or read_by_skip */ + void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount); + + /* Temporary storage */ char *buffer; - /* Misc. stuff */ + /* Flags and misc. stuff */ unsigned char flags; } archive_handle_t; extern archive_handle_t *init_handle(void); -extern char filter_accept_all(const llist_t *accept_list, const llist_t *reject_list, const char *key); -extern char filter_accept_list(const llist_t *accept_list, const llist_t *reject_list, const char *key); -extern char filter_accept_reject_list(const llist_t *accept_list, const llist_t *reject_list, const char *key); +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); @@ -84,17 +85,30 @@ extern void header_list(const file_header_t *file_header); extern void header_verbose_list(const file_header_t *file_header); extern void check_header_gzip(int src_fd); -extern void check_trailer_gzip(int src_fd); 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_lzma(archive_handle_t *archive_handle); extern char get_header_tar_gz(archive_handle_t *archive_handle); -extern unsigned char uncompressStream(FILE *zStream, FILE *stream); +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 ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count); -extern void seek_sub_file(int src_fd, unsigned int amount); -extern const unsigned short data_align(const int src_fd, const unsigned int offset, const unsigned short align_to); -extern const llist_t *add_to_list(const llist_t *old_head, const char *new_item); -extern int copy_file_chunk_fd(int src_fd, int dst_fd, unsigned long long chunksize); +extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary); extern const llist_t *find_list_entry(const llist_t *list, const char *filename); + +extern int uncompressStream(int src_fd, int dst_fd); +extern void inflate_init(unsigned int bufsize); +extern void inflate_cleanup(void); +extern int inflate_unzip(int in, int out); +extern int inflate_gunzip(int in, int out); +extern int unlzma(int src_fd, int dst_fd); + +extern int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd)); + + #endif