blob: 6dfb856327bbe714300ae004cba6787d59d961d0 [file] [log] [blame]
/* Minimal chunksize to be read.
*Bzip2 prefers at least 4096
*Lzma prefers 0x10000 */
#define COMPR_IOBUF_SIZE 4096
typedef int (*decompress_fn) (unsigned char *inbuf, int len,
int(*fill)(void*, unsigned int),
int(*writebb)(void*, unsigned int),
unsigned char *output,
int *posp,
void(*error)(char *x));
/* inbuf - input buffer
*len - len of pre-read data in inbuf
*fill - function to fill inbuf if empty
*writebb - function to write out outbug
*posp - if non-null, input position (number of bytes read) will be
* returned here
*If len != 0, the inbuf is initialized (with as much data), and fill
*should not be called
*If len = 0, the inbuf is allocated, but empty. Its size is IOBUF_SIZE
*fill should be called (repeatedly...) to read data, at most IOBUF_SIZE
/* Utility routine to detect the decompression method */
decompress_fn decompress_method(const unsigned char *inbuf, int len,
const char **name);