src/bufio/impl.h


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#pragma once

#include <u.h>
#include <io.h>
#include <bufio.h>

enum
{
    BUF·max    = 4 * 8096,
    BUF·size   = 4 * 4096,
    BUF·ungets = 8,
    BUF·err    = -1,
    BUF·eof    = +1,
};

typedef struct Buffer
{
    uint8 eof;
    int64 off;
    int64 size;

    byte* base;
    byte* pos;
    byte* end;
    byte  b[];
} Buffer;

void* newbuffer(uintptr off, uintptr size);

struct bufio·Scanner
{
    io·Reader r;
    Buffer    buf;
};