usr.bin/makewhatis/makewhatis.c

110  * While the whatis line is being formed, it is stored in whatis_proto.
334 		char line[LINE_ALLOC];
342 		while (fgets(line, sizeof line, output) != NULL) {
343 			line[strlen(line) - 1] = '\0';
344 			sl_add(whatis_lines, strdup(line));
377 		char *line = whatis_lines->sl_str[i];
378 		if (i > 0 && strcmp(line, prev) == 0)
380 		prev = line;
381 		fputs(line, output);
467 only_digits(char *line)
469 	if (!isdigit(*line++))
471 	while (isdigit(*line))
472 		line++;
473 	return *line == '\0';
477  * Returns whether the line is of one of the forms:
484 name_section_line(char *line, const char *section_start)
489 	if (strncmp(line, section_start, 3) != 0)
491 	line = skip_spaces(line + 3);
492 	rhs = trim_rhs(line);
493 	if (*line == '"') {
494 		line++;
499 		if (strcmp(*title, line) == 0)
577  * Processes an old-style man(7) line.  This ignores commands with only
581 process_man_line(char *line)
583 	if (*line == '.') {
584 		while (isalpha(*++line))
586 		line = skip_spaces(line);
587 		if (only_digits(line))
590 		line = skip_spaces(line);
591 	if (*line != '\0') {
592 		add_nroff(line);
598  * Processes a new-style mdoc(7) line.
601 process_mdoc_line(char *line)
605 	char *line_end = &line[strlen(line)];
609 	if (*line == '\0')
611 	if (line[0] != '.' || !isupper(line[1]) || !islower(line[2])) {
612 		add_nroff(skip_spaces(line));
616 	xref = strncmp(line, ".Xr", 3) == 0;
617 	line += 3;
618 	while ((line = skip_spaces(line)) < line_end) {
619 		if (*line == '"') {
620 			next = ++line;
632 			next = strpbrk(line, " \t");
637 		if (isupper(*line) && islower(line[1]) && line[2] == '\0') {
638 			if (strcmp(line, "Ns") == 0) {
640 				line = next;
643 			if (strstr(mdoc_commands, line) != NULL) {
644 				line = next;
648 		if (arg > 0 && strchr(",.:;?!)]", *line) == 0) {
651 				add_nroff(line);
654 				line = blank;
658 		add_nroff(line);
660 		line = next;
690  * Processes a man page source into a single whatis line and adds it
698 	char *line;
711 		line = buffer;
712 		if (strncmp(line, ".\\\"", 3) == 0)		/* ignore comments */
719 			if (name_section_line(line, ".SH"))
721 			else if (name_section_line(line, ".Sh"))
728 			if (strncmp(line, ".SH", 3) == 0)
730 			if (strncmp(line, ".SS", 3) == 0)
732 			trim_rhs(line);
733 			if (strcmp(line, ".") == 0)
735 			if (strncmp(line, ".IX", 3) == 0) {
736 				line += 3;
737 				line = skip_spaces(line);
739 			process_man_line(line);
745 			trim_rhs(line);
746 			if (strncmp(line, ".Nm", 3) == 0) {
747 				process_mdoc_line(line);
750 				if (strcmp(line, ".") == 0)
760 			if (strncmp(line, ".Sh", 3) == 0)
762 			trim_rhs(line);
763 			if (strcmp(line, ".") == 0)
765 			process_mdoc_line(line);
772 	line = sbuf_content(whatis_proto);
774 	 * line now contains the appropriate data, but without
777 	descr = strstr(line, " - ");
779 		descr = strchr(line, ' ');
782 				fprintf(stderr, "	ignoring junk description \"%s\"\n", line);
791 	collect_names(names, line);