diff options
Diffstat (limited to 'include/bb_archive.h')
| -rw-r--r-- | include/bb_archive.h | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/include/bb_archive.h b/include/bb_archive.h index 8a2dd2735..a6b166fe3 100644 --- a/include/bb_archive.h +++ b/include/bb_archive.h @@ -205,6 +205,18 @@ void dealloc_bunzip(bunzip_data *bd) 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 */ + + IF_DESKTOP(long long) int FAST_FUNC (*xformer)(struct transformer_state_t *xstate); + USE_FOR_NOMMU(const char *xformer_prog;) + + /* Source */ + int src_fd; + /* Output */ + int dst_fd; + size_t mem_output_size_max; /* if non-zero, decompress to RAM instead of fd */ + size_t mem_output_size; + char *mem_output_buf; + off_t bytes_out; off_t bytes_in; /* used in unzip code only: needs to know packed size */ uint32_t crc32; @@ -212,14 +224,16 @@ typedef struct transformer_state_t { } transformer_state_t; void init_transformer_state(transformer_state_t *xstate) FAST_FUNC; -int FAST_FUNC check_signature16(transformer_state_t *xstate, int src_fd, unsigned magic16) FAST_FUNC; +ssize_t transformer_write(transformer_state_t *xstate, const void *buf, size_t bufsize) FAST_FUNC; +ssize_t xtransformer_write(transformer_state_t *xstate, const void *buf, size_t bufsize) FAST_FUNC; +int check_signature16(transformer_state_t *xstate, unsigned magic16) FAST_FUNC; -IF_DESKTOP(long long) int inflate_unzip(transformer_state_t *xstate, int src_fd, int dst_fd) FAST_FUNC; -IF_DESKTOP(long long) int unpack_Z_stream(transformer_state_t *xstate, int src_fd, int dst_fd) FAST_FUNC; -IF_DESKTOP(long long) int unpack_gz_stream(transformer_state_t *xstate, int src_fd, int dst_fd) FAST_FUNC; -IF_DESKTOP(long long) int unpack_bz2_stream(transformer_state_t *xstate, int src_fd, int dst_fd) FAST_FUNC; -IF_DESKTOP(long long) int unpack_lzma_stream(transformer_state_t *xstate, int src_fd, int dst_fd) FAST_FUNC; -IF_DESKTOP(long long) int unpack_xz_stream(transformer_state_t *xstate, int src_fd, int dst_fd) FAST_FUNC; +IF_DESKTOP(long long) int inflate_unzip(transformer_state_t *xstate) FAST_FUNC; +IF_DESKTOP(long long) int unpack_Z_stream(transformer_state_t *xstate) FAST_FUNC; +IF_DESKTOP(long long) int unpack_gz_stream(transformer_state_t *xstate) FAST_FUNC; +IF_DESKTOP(long long) int unpack_bz2_stream(transformer_state_t *xstate) FAST_FUNC; +IF_DESKTOP(long long) int unpack_lzma_stream(transformer_state_t *xstate) FAST_FUNC; +IF_DESKTOP(long long) int unpack_xz_stream(transformer_state_t *xstate) FAST_FUNC; char* append_ext(char *filename, const char *expected_ext) FAST_FUNC; int bbunpack(char **argv, @@ -230,16 +244,16 @@ int bbunpack(char **argv, void check_errors_in_children(int signo); #if BB_MMU -void open_transformer(int fd, +void fork_transformer(int fd, int check_signature, - IF_DESKTOP(long long) int FAST_FUNC (*transformer)(transformer_state_t *xstate, int src_fd, int dst_fd) + IF_DESKTOP(long long) int FAST_FUNC (*transformer)(transformer_state_t *xstate) ) FAST_FUNC; -#define open_transformer_with_sig(fd, transformer, transform_prog) open_transformer((fd), 1, (transformer)) -#define open_transformer_with_no_sig(fd, transformer) open_transformer((fd), 0, (transformer)) +#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)) #else -void open_transformer(int fd, const char *transform_prog) FAST_FUNC; -#define open_transformer_with_sig(fd, transformer, transform_prog) open_transformer((fd), (transform_prog)) -/* open_transformer_with_no_sig() does not exist on NOMMU */ +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)) +/* fork_transformer_with_no_sig() does not exist on NOMMU */ #endif |