/* @(#) chktypeahd.c: 1.1 10/15/83 (1.19 3/9/83) */ #include "curses.ext" extern int InputPending; /* * If it's been long enough, check to see if we have any typeahead * waiting. If so, we quit this update until next time. */ _chk_typeahead() { #ifdef FIONREAD # ifdef DEBUG if(outf) fprintf(outf, "end of _id_char: --SP->check_input %d, InputPending %d, chars buffered %d: ", SP->check_input-1, InputPending, (SP->term_file->_ptr-SP->term_file->_base)); # endif if(--SP->check_input<0 && !InputPending && ((SP->term_file->_ptr - SP->term_file->_base) > 20)) { __cflush(); if (SP->check_fd >= 0) ioctl(SP->check_fd, FIONREAD, &InputPending); else InputPending = 0; SP->check_input = SP->baud / 2400; # ifdef DEBUG if(outf) fprintf(outf, "flush, ioctl returns %d, SP->check_input set to %d\n", InputPending, SP->check_input); # endif } # ifdef DEBUG if(outf) fprintf(outf, ".\n"); # endif #endif }