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Import sources from 2011-03-30 iso image - sys/include

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This commit is contained in:
Taru Karttunen 2011-03-30 16:47:56 +03:00
parent e5888a1ffd
commit c558a99e0b
105 changed files with 11410 additions and 0 deletions
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74
sys/include/bio.h Executable file
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#pragma src "/sys/src/libbio"
#pragma lib "libbio.a"
typedef struct Biobuf Biobuf;
typedef struct Biobufhdr Biobufhdr;
enum
{
Bsize = 8*1024,
Bungetsize = 4, /* space for ungetc */
Bmagic = 0x314159,
Beof = -1,
Bbad = -2,
Binactive = 0, /* states */
Bractive,
Bwactive,
Bracteof,
};
struct Biobufhdr
{
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 */
};
struct Biobuf
{
Biobufhdr;
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(Biobufhdr*);
int Bfildes(Biobufhdr*);
int Bflush(Biobufhdr*);
int Bgetc(Biobufhdr*);
int Bgetd(Biobufhdr*, double*);
long Bgetrune(Biobufhdr*);
int Binit(Biobuf*, int, int);
int Binits(Biobufhdr*, int, int, uchar*, int);
int Blinelen(Biobufhdr*);
vlong Boffset(Biobufhdr*);
Biobuf* Bopen(char*, int);
int Bprint(Biobufhdr*, char*, ...);
int Bvprint(Biobufhdr*, char*, va_list);
int Bputc(Biobufhdr*, int);
int Bputrune(Biobufhdr*, long);
void* Brdline(Biobufhdr*, int);
char* Brdstr(Biobufhdr*, int, int);
long Bread(Biobufhdr*, void*, long);
vlong Bseek(Biobufhdr*, vlong, int);
int Bterm(Biobufhdr*);
int Bungetc(Biobufhdr*);
int Bungetrune(Biobufhdr*);
long Bwrite(Biobufhdr*, void*, long);
#pragma varargck argpos Bprint 2