/*
* Output character. Buffer whitespace.
*/
void
db_putchar(int c)
{
if (db_max_line >= DB_MIN_MAX_LINE && db_output_line >= db_max_line-1)
db_more();
if (c > ' ' && c <= '~') {
/*
* Printing character.
* If we have spaces to print, print them first.
* Use tabs if possible.
*/
db_force_whitespace();
cnputc(c);
db_output_position++;
if (db_max_width >= DB_MIN_MAX_WIDTH
&& db_output_position >= db_max_width-1) {
/* auto new line */
cnputc('\n');
db_output_position = 0;
db_last_non_space = 0;
db_output_line++;
}
db_last_non_space = db_output_position;
}
else if (c == '\n') {
/* Return */
cnputc(c);
db_output_position = 0;
db_last_non_space = 0;
db_output_line++;
}
else if (c == '\t') {
/* assume tabs every 8 positions */
db_output_position = NEXT_TAB(db_output_position);
}
else if (c == ' ') {
/* space */
db_output_position++;
}
else if (c == '\007') {
/* bell */
cnputc(c);
}
/* other characters are assumed non-printing */
}
/*
* Output character. Buffer whitespace.
*/
void
db_putchar(char c)
{
if (db_max_line >= DB_MIN_MAX_LINE && db_output_line >= db_max_line-1)
db_more();
if (c > ' ' && c <= '~') {
/*
* Printing character.
* If we have spaces to print, print them first.
* Use tabs if possible.
*/
db_force_whitespace();
cnputc(c);
db_last_gen_return = 0;
db_advance_output_position(db_output_position+1, 0);
db_last_non_space = db_output_position;
}
else if (c == '\n') {
/* Return */
if (db_last_gen_return) {
db_last_gen_return = 0;
} else {
cnputc(c);
db_output_position = 0;
db_last_non_space = 0;
db_output_line++;
db_check_interrupt();
}
}
else if (c == '\t') {
/* assume tabs every 8 positions */
db_advance_output_position(NEXT_TAB(db_output_position), 1);
}
else if (c == ' ') {
/* space */
db_advance_output_position(db_output_position+1, 1);
}
else if (c == '\007') {
/* bell */
cnputc(c);
}
/* other characters are assumed non-printing */
}