usr.bin/patch/pch.c

54 static LINENUM	p_end = -1;	/* last line in hunk */
55 static LINENUM	p_max;		/* max allowed value of p_end */
92 	p_end = (LINENUM) - 1;
525 	while (p_end >= 0) {
526 		if (p_end == p_efake)
527 			p_end = p_bfake;	/* don't free twice */
529 			free(p_line[p_end]);
530 		p_end--;
556 		while (p_end < p_max) {
561 				if (p_max - p_end < 4) {
572 			p_end++;
573 			if (p_end >= hunkmax)
576 			p_char[p_end] = *buf;
577 			p_line[p_end] = NULL;
589 				if (p_end != 0) {
598 				p_line[p_end] = savestr(buf);
600 					p_end--;
634 					    (p_end != p_ptrn_lines + 1 +
635 					    (p_char[p_end - 1] == '\n'))) {
636 						if (p_end == 1) {
642 							p_end = p_ptrn_lines + 1;
643 							fillsrc = p_end + 1;
656 								    (p_end <= p_ptrn_lines
663 					repl_beginning = p_end;
666 					p_line[p_end] = savestr(buf);
668 						p_end--;
671 					p_char[p_end] = '=';
692 					p_max = p_repl_lines + p_end;
721 				p_line[p_end] = savestr(buf + 2);
723 					p_end--;
726 				if (p_end == p_ptrn_lines) {
730 						l = strlen(p_line[p_end]) - 1;
731 						(p_line[p_end])[l] = 0;
743 				p_line[p_end] = savestr(buf);
745 					p_end--;
748 				if (p_end != p_ptrn_lines + 1) {
753 					p_char[p_end] = ' ';
765 				p_line[p_end] = savestr(buf + 2);
767 					p_end--;
780 			if (p_line[p_end])
781 				p_len[p_end] = strlen(p_line[p_end]);
783 				p_len[p_end] = 0;
787 		if (p_end >= 0 && !repl_beginning)
794 			for (p_end--; p_end > repl_beginning; p_end--)
795 				free(p_line[p_end]);
807 			p_end = p_max;
811 			while (filldst < p_end) {
820 			p_end--;
839 				while (fillsrc <= p_end && p_char[fillsrc] != ' ')
841 				if (fillsrc > p_end)
850 			while (fillsrc <= p_end && fillsrc != repl_beginning &&
856 				fillsrc, filldst, repl_beginning, p_end + 1);
858 			if (fillsrc != p_end + 1 && fillsrc != repl_beginning)
860 			if (filldst != p_end + 1 && filldst != repl_beginning)
863 		if (p_line[p_end] != NULL) {
865 				p_len[p_end] -= 1;
866 				(p_line[p_end])[p_len[p_end]] = 0;
917 		p_end = fillnew + p_repl_lines;
922 			p_end = -1;
930 			p_end = 0;
937 		while (fillold <= p_ptrn_lines || fillnew <= p_end) {
959 				p_end = fillold - 1;
966 					p_end = fillnew - 1;
987 					p_end = fillold - 1;
998 					p_end = fillold - 1;
1009 				if (fillnew > p_end) {
1013 					p_end = fillold - 1;
1027 				p_end = fillnew;
1070 		p_end = p_ptrn_lines + 1 + max - min + 1;
1071 		if (p_end > MAXHUNKSIZE)
1073 			    p_end, p_input_line, buf);
1074 		while (p_end >= hunkmax)
1082 			p_end = -1;
1097 				p_end = i - 1;
1121 			p_end = i - 1;
1125 		for (i++; i <= p_end; i++) {
1136 				p_end = i - 1;
1156 		for (i = 0; i <= p_end; i++) {
1167 	if (p_end + 1 < hunkmax)/* paranoia reigns supreme... */
1168 		p_char[p_end + 1] = '^';	/* add a stopper for apply_hunk */
1260 			n = p_end - i + 1;
1266 	for (n = 0; i <= p_end; i++, n++) {
1297 	for (i = 0; n <= p_end; i++, n++) {
1363 	return p_end;