blob: 07d7c5fe9cff1d64db728f1a70e5f4bed17e44f1 [file] [log] [blame]
#ifndef _BIO_H_
#define _BIO_H_ 1
#if defined(__cplusplus)
extern "C" {
#ifdef AUTOLIB
#include <fcntl.h> /* for O_RDONLY, O_WRONLY */
typedef struct Biobuf Biobuf;
Bsize = 8*1024,
Bungetsize = 4, /* space for ungetc */
Bmagic = 0x314159,
Beof = -1,
Bbad = -2,
Binactive = 0, /* states */
struct Biobuf
int icount; /* neg num of bytes at eob */
int ocount; /* num of bytes at bob */
int rdline; /* num of bytes after rdline */
int runesize; /* num of bytes of last getrune */
int state; /* r/w/inactive */
int fid; /* open file */
int flag; /* magic if malloc'ed */
long long offset; /* offset of buffer in file */
int bsize; /* size of buffer */
unsigned char* bbuf; /* pointer to beginning of buffer */
unsigned char* ebuf; /* pointer to end of buffer */
unsigned char* gbuf; /* pointer to good data in buf */
unsigned char b[Bungetsize+Bsize];
#define BGETC(bp)\
#define BPUTC(bp,c)\
#define BOFFSET(bp)\
(bp)->offset + (bp)->icount:\
(bp)->offset + ((bp)->bsize + (bp)->ocount):\
#define BLINELEN(bp)\
#define BFILDES(bp)\
int Bbuffered(Biobuf*);
Biobuf* Bfdopen(int, int);
int Bfildes(Biobuf*);
int Bflush(Biobuf*);
int Bgetc(Biobuf*);
int Bgetd(Biobuf*, double*);
long Bgetrune(Biobuf*);
int Binit(Biobuf*, int, int);
int Binits(Biobuf*, int, int, unsigned char*, int);
int Blinelen(Biobuf*);
long long Boffset(Biobuf*);
Biobuf* Bopen(char*, int);
int Bprint(Biobuf*, char*, ...);
int Bputc(Biobuf*, int);
int Bputrune(Biobuf*, long);
void* Brdline(Biobuf*, int);
char* Brdstr(Biobuf*, int, int);
long Bread(Biobuf*, void*, long);
long long Bseek(Biobuf*, long long, int);
int Bterm(Biobuf*);
int Bungetc(Biobuf*);
int Bungetrune(Biobuf*);
long Bwrite(Biobuf*, void*, long);
int Bvprint(Biobuf*, char*, va_list);
#if defined(__cplusplus)