mirror of
https://github.com/pygos/pkg-utils.git
synced 2024-11-25 05:50:43 +01:00
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#ifndef COMPRESSOR_H
|
|
#define COMPRESSOR_H
|
|
|
|
#include <stddef.h>
|
|
#include <sys/types.h>
|
|
|
|
#include "pkgformat.h"
|
|
|
|
typedef struct compressor_stream_t {
|
|
ssize_t (*write)(struct compressor_stream_t *stream, const uint8_t *in,
|
|
size_t size);
|
|
|
|
ssize_t (*read)(struct compressor_stream_t *stream, uint8_t *out,
|
|
size_t size);
|
|
|
|
void (*flush)(struct compressor_stream_t *stream);
|
|
|
|
void (*destroy)(struct compressor_stream_t *stream);
|
|
} compressor_stream_t;
|
|
|
|
typedef struct compressor_t {
|
|
struct compressor_t *next;
|
|
const char *name;
|
|
PKG_COMPRESSION id;
|
|
|
|
compressor_stream_t *(*compression_stream)(struct compressor_t *cmp);
|
|
|
|
compressor_stream_t *(*uncompression_stream)(struct compressor_t *cmp);
|
|
} compressor_t;
|
|
|
|
void compressor_register(compressor_t *compressor);
|
|
|
|
compressor_t *compressor_by_name(const char *name);
|
|
|
|
compressor_t *compressor_by_id(PKG_COMPRESSION id);
|
|
|
|
#define REGISTER_COMPRESSOR(compressor) \
|
|
static void __attribute__((constructor)) register_##compressor(void) \
|
|
{ \
|
|
compressor_register((compressor_t *)&compressor); \
|
|
}
|
|
|
|
#endif /* COMPRESSOR_H */
|