date and time created 84/05/06 18:00:10 by edward

[unix-history] / usr / src / usr.bin / window / ttoutput.c

#ifndef lint
static  char *sccsid = "@(#)ttoutput.c  3.1 84/03/03";
#endif

#include "ww.h"
#include "tt.h"
#include <sys/errno.h>

/*
* Buffered output package.
* We need this because stdio fails on non-blocking writes.
*/

ttflush()
{
       register char *p;
       register n;
       extern errno;

       wwnflush++;
       for (p = tt_ob; p < tt_obp;) {
               wwnwr++;
               n = write(1, p, tt_obp - p);
               if (n < 0) {
                       wwnwre++;
                       if (errno != EWOULDBLOCK) {
                               /* can't deal with this */
                               p = tt_obp;
                       }
               } else if (n == 0) {
                       /* what to do? */
                       wwnwrz++;
               } else {
                       wwnwrc += n;
                       p += n;
               }
       }
       tt_obp = tt_ob;
}

ttputs(s)
register char *s;
{
       while (*s)
               ttputc(*s++);
}