usr.bin/less/line.c

35 static int curr;		/* Total number of bytes in linebuf */
126 	curr = 0;
162 		linebuf[curr] = ' ';
165 			attr[curr] = AT_NORMAL|AT_HILITE;
167 			attr[curr] = AT_NORMAL;
168 		curr++;
183 		snprintf(linebuf+curr, size_linebuf-curr, "%*s ", n, buf);
186 			attr[curr+i] = AT_NORMAL;
187 		curr += n;
196 		linebuf[curr] = ' ';
197 		attr[curr++] = AT_NORMAL;
222 	if (shift > curr - lmargin)
223 		shift = curr - lmargin;
230 	while (shifted <= shift && from < curr) {
236 			while (from < curr && linebuf[from]) {
253 			len = mbtowc(&ch, linebuf + from, curr - from);
283 		next_attr = (from + len < curr) ? attr[from + len] : prev_attr;
287 			if (from + len < curr)
291 				if (from + len < curr)
303 	while (from < curr) {
307 	curr = to;
421 	if (curr > 0 && !is_at_equiv(attr[curr-1], a))
422 		w += attr_ewidth(attr[curr-1]);
424 	    (curr == 0 || !is_at_equiv(attr[curr-1], a)))
439 	if ((len = mbtowc_left(&ch, linebuf + curr, curr)) <= 0)
441 	curr -= len;
444 	while (curr >= lmargin && column > lmargin &&
445 	    !(attr[curr] & (AT_ANSI|AT_BINARY))) {
446 		if ((len = mbtowc_left(&prev_ch, linebuf + curr, curr)) <= 0)
448 		width = pwidth(ch, attr[curr], prev_ch);
452 		curr -= len;
514 		for (i = curr - 1; i >= 0; i--) {
522 			curr = i;
532 		if (mbtowc_left(&prev_ch, linebuf + curr, curr) <= 0)
550 	if (curr + replen >= size_linebuf-6) {
560 		linebuf[curr] = *rep++;
561 		attr[curr] = a;
562 		curr++;
728 		linebuf[curr] = '\0';
752 		if (curr <= lmargin ||
754 		    (attr[curr - 1] & (AT_ANSI|AT_BINARY))) {
777 		if (mbtowc(&prev_ch, linebuf + curr, MB_CUR_MAX) == -1) {
781 		a = attr[curr];
793 				else if (curr > 0 && attr[curr - 1] & AT_UNDERLINE)
795 				else if (curr > 0 && attr[curr - 1] & AT_BOLD)
805 			rep = linebuf + curr;
813 			if (curr > 0)
814 				a = attr[curr - 1] & (AT_UNDERLINE | AT_BOLD);
902 	for (i = curr - 1; i >= 0; i--) {
905 			if (i < curr - 1 && attr[i + 1] & AT_BOLD)
922 			linebuf[curr] = *p;
923 			attr[curr++] = AT_ANSI;
942 		linebuf[curr] = '\n';
943 		attr[curr] = AT_NORMAL;
944 		curr++;
960 		linebuf[curr] = ' ';
961 		attr[curr++] = AT_NORMAL;
962 		linebuf[curr] = '\b';
963 		attr[curr++] = AT_NORMAL;
965 	linebuf[curr] = '\0';
966 	attr[curr] = AT_NORMAL;