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- #pragma src "/usr/inferno/libbio"
- typedef struct Biobuf Biobuf;
- enum
- {
- Bsize = 8*1024,
- Bungetsize = UTFmax+1, /* space for ungetc */
- Bmagic = 0x314159,
- Beof = -1,
- Bbad = -2,
- Binactive = 0, /* states */
- Bractive,
- Bwactive,
- Bracteof,
- Bend
- };
- 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 */
- vlong offset; /* offset of buffer in file */
- int bsize; /* size of buffer */
- uchar* bbuf; /* pointer to beginning of buffer */
- uchar* ebuf; /* pointer to end of buffer */
- uchar* gbuf; /* pointer to good data in buf */
- uchar b[Bungetsize+Bsize];
- };
- /* Dregs, redefined as functions for backwards compatibility */
- #define BGETC(bp) Bgetc(bp)
- #define BPUTC(bp,c) Bputc(bp,c)
- #define BOFFSET(bp) Boffset(bp)
- #define BLINELEN(bp) Blinelen(bp)
- #define BFILDES(bp) Bfildes(bp)
- int Bbuffered(Biobuf*);
- 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, uchar*, int);
- int Blinelen(Biobuf*);
- vlong Boffset(Biobuf*);
- Biobuf* Bopen(char*, int);
- int Bprint(Biobuf*, char*, ...);
- int Bvprint(Biobuf*, char*, va_list);
- int Bputc(Biobuf*, int);
- int Bputrune(Biobuf*, long);
- void* Brdline(Biobuf*, int);
- char* Brdstr(Biobuf*, int, int);
- long Bread(Biobuf*, void*, long);
- vlong Bseek(Biobuf*, vlong, int);
- int Bterm(Biobuf*);
- int Bungetc(Biobuf*);
- int Bungetrune(Biobuf*);
- long Bwrite(Biobuf*, void*, long);
- #pragma varargck argpos Bprint 2
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