fiss

Friedel's Initialization and Service Supervision
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bflush.c (525B)

      1 #include "common.h"
      2 #include "lib9.h"
      3 
      4 #include <bio.h>
      5 
      6 int Bflush(Biobuf* bp) {
      7 	int n, c;
      8 
      9 	switch (bp->state) {
     10 		case Bwactive:
     11 			n = bp->bsize + bp->ocount;
     12 			if (n == 0)
     13 				return 0;
     14 			c = write(bp->fid, bp->bbuf, n);
     15 			if (n == c) {
     16 				bp->offset += n;
     17 				bp->ocount = -bp->bsize;
     18 				return 0;
     19 			}
     20 			bp->state  = Binactive;
     21 			bp->ocount = 0;
     22 			break;
     23 
     24 		case Bracteof:
     25 			bp->state = Bractive;
     26 			FALLTHROUGH;
     27 
     28 		case Bractive:
     29 			bp->icount = 0;
     30 			bp->gbuf   = bp->ebuf;
     31 			return 0;
     32 	}
     33 	return Beof;
     34 }