outqueue.h

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//
//
//  Author:     Lasse Collin
//
//  This file has been put into the public domain.
//  You can do whatever you want with this file.
//
 
#include "common.h"
 
 
typedef struct {
    uint8_t *buf;
 
    size_t size;
 
    lzma_vli unpadded_size;
    lzma_vli uncompressed_size;
 
    bool finished;
 
} lzma_outbuf;
 
 
typedef struct {
    lzma_outbuf *bufs;
 
    uint8_t *bufs_mem;
 
    size_t buf_size_max;
 
    uint32_t bufs_allocated;
 
    uint32_t bufs_pos;
 
    uint32_t bufs_used;
 
    size_t read_pos;
 
} lzma_outq;
 
 
extern uint64_t lzma_outq_memusage(uint64_t buf_size_max, uint32_t threads);
 
 
extern lzma_ret lzma_outq_init(
        lzma_outq *outq, const lzma_allocator *allocator,
        uint64_t buf_size_max, uint32_t threads);
 
 
extern void lzma_outq_end(lzma_outq *outq, const lzma_allocator *allocator);
 
 
extern lzma_outbuf *lzma_outq_get_buf(lzma_outq *outq);
 
 
extern bool lzma_outq_is_readable(const lzma_outq *outq);
 
 
extern lzma_ret lzma_outq_read(lzma_outq *restrict outq,
        uint8_t *restrict out, size_t *restrict out_pos,
        size_t out_size, lzma_vli *restrict unpadded_size,
        lzma_vli *restrict uncompressed_size);
 
 
static inline bool
lzma_outq_has_buf(const lzma_outq *outq)
{
    return outq->bufs_used < outq->bufs_allocated;
}
 
 
static inline bool
lzma_outq_is_empty(const lzma_outq *outq)
{
    return outq->bufs_used == 0;
}