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Annotation of researchv10no/libc/fio/oldfio.h, revision 1.1.1.1

1.1       root        1: #define        FIOBSIZE        4096
                      2: 
                      3: typedef struct Fbuffer
                      4: {
                      5:        unsigned char *next;            /* next char to be used */
                      6:        unsigned char *end;             /* first invalid char */
                      7:        unsigned char *lnext;           /* previous value of next */
                      8:        unsigned short flags;           /* see FIO_.* below */
                      9:        short oflush;                   /* if >= 0 fd to flush on read */
                     10:        long offset;                    /* seek of end */
                     11:        unsigned char buf[FIOBSIZE];
                     12: } Fbuffer;
                     13: extern Fbuffer *Ffb[];
                     14: 
                     15: #define        FIORESET(f)     ((f)->next=(f)->lnext=(f)->end=(f)->buf, (f)->flags&= ~FIO_MALLOCED, (f)->oflush= -1)
                     16: #define        FIOSET(f, fd)   if((f=Ffb[fd&=0x7f]) == 0){Finit(fd,(char *)0);f=Ffb[fd];}
                     17: /* FIOLINELEN is length of last input */
                     18: #define        FIOLINELEN(fd)  (((int)(Ffb[fd]->next - Ffb[fd]->lnext))-1)
                     19: /* FIOSEEK is lseek of next char to be processed */
                     20: #define        FIOSEEK(fd)     (Ffb[fd]->offset - (Ffb[fd]->end - Ffb[fd]->next))
                     21: #define        FIOFLUSH(fd)    if((fd >= 0) && Ffb[fd]) Fflush(fd)
                     22: 
                     23: #define        FIO_RDLAST      0x0001          /* true if last input was rdline */
                     24: #define        FIO_WRITING     0x0002          /* true if last action was write */
                     25: #define        FIO_MALLOCED    0x0004          /* set if Finit did the malloc */
                     26: 
                     27: extern void Finit();
                     28: extern char *Frdline();
                     29: extern void Fundo();
                     30: extern int Fgetc();
                     31: extern long Fread();
                     32: extern long Fwrite();
                     33: extern long Fseek();
                     34: extern int Fflush();
                     35: 
                     36: #ifdef FIO_IMP
                     37: /* COUNT is the type of counts to things like read, write, memcpy etc */
                     38: #ifdef GNOT
                     39: #define        COUNT   long
                     40: #define        FIOMALLOC(n)    malloc(n)
                     41: #define        SEEK(a,b,c)     seek(a,b,c)
                     42: #else
                     43: #define        COUNT   int
                     44: #define        FIOMALLOC(n)    malloc(n)
                     45: #define        SEEK(a,b,c)     lseek(a,b,c)
                     46: #endif
                     47: extern COUNT read(), write();
                     48: #endif

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