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[unix-history] / usr / src / cmd / prep / prep2.c

int     optr;

char    obuf[512];

int     nflush;

put(string,n)
       char    *string;
{
       int     i;
       char    *o;

/*printf("%c %d\n",*string,n);/*DEBUG*/

       string--;

       if((i = optr + n - 512) >= 0) {
               n -= i;
               o = &obuf[optr] -1;
               while(--n >= 0)
                       *++o = *++string;
               optr = 512;
               flsh();
               n = i;
       }

       o = &obuf[optr] - 1;
       optr += n;

       while(--n >= 0) {
               *++o = *++string;
       }
       return(0);
}

flsh()
{

       if(optr <= 0)   return(optr);

       nflush++;
       if(write(1,obuf,optr) != optr)
               return(-1);
       optr = 0;
       return(0);
}