1 #ifndef DECOMPRESS_GENERIC_H
2 #define DECOMPRESS_GENERIC_H
4 typedef int (*decompress_fn) (unsigned char *inbuf, long len,
5 long (*fill)(void*, unsigned long),
6 long (*flush)(void*, unsigned long),
9 void(*error)(char *x));
11 /* inbuf - input buffer
12 *len - len of pre-read data in inbuf
13 *fill - function to fill inbuf when empty
14 *flush - function to write out outbuf
15 *outbuf - output buffer
16 *posp - if non-null, input position (number of bytes read) will be
19 *If len != 0, inbuf should contain all the necessary input data, and fill
21 *If len = 0, inbuf can be NULL, in which case the decompressor will allocate
22 *the input buffer. If inbuf != NULL it must be at least XXX_IOBUF_SIZE bytes.
23 *fill will be called (repeatedly...) to read data, at most XXX_IOBUF_SIZE
24 *bytes should be read per call. Replace XXX with the appropriate decompressor
25 *name, i.e. LZMA_IOBUF_SIZE.
27 *If flush = NULL, outbuf must be large enough to buffer all the expected
28 *output. If flush != NULL, the output buffer will be allocated by the
29 *decompressor (outbuf = NULL), and the flush function will be called to
30 *flush the output buffer at the appropriate time (decompressor and stream
35 /* Utility routine to detect the decompression method */
36 decompress_fn decompress_method(const unsigned char *inbuf, long len,