Code cleanups and editor fixups.

Print the core dump k-command correctly.

.gitignore

@@ -1,2 +1,4 @@
 *.log
 build
+ke
+*.txt

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.15)
 project(ke C)  # Specify C language explicitly
 
 set(CMAKE_C_STANDARD 99)
-set(KE_VERSION "1.1.0")
+set(KE_VERSION "1.0.12")
 
 set(CMAKE_C_FLAGS "-Wall -Wextra -pedantic -Wshadow -Werror -std=c99 -g")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_DEFAULT_SOURCE -D_XOPEN_SOURCE")

Makefile

@@ -8,10 +8,14 @@ CFLAGS +=	-fsanitize=address -fno-omit-frame-pointer
 
 LDFLAGS :=	-fsanitize=address
 
-all: $(TARGET)
+all: $(TARGET) test.txt
 
 $(TARGET): main.c
 	$(CC) $(CFLAGS) -o $(TARGET) $(LDFLAGS) main.c
 
 clean:
 	rm -f $(TARGET)
+
+.PHONY: test.txt
+test.txt:
+	cp test.txt.bak $@

ke.1

@@ -42,7 +42,7 @@ exit the editor. Also C-k C-q.
 save the file, prompting for a filename if needed. Also C-k C-s.
 .It C-k x
 save the file and exit. Also C-k C-x.
-.It C-k \
+.It C-k \[char92]
 Dump core.
 .El
 .Sh FIND

main.c

@@ -120,7 +120,6 @@ void	 editor_set_status(const char *fmt, ...);
 
 /* miscellaneous */
 void		 die(const char *s);
-int		 iswspace(const char c);
 int		 get_winsz(int *rows, int *cols);
 void		 goto_line(void);
 int		 cursor_at_eol(void);
@@ -469,11 +468,6 @@ die(const char *s)
 }
 
 
-int
-iswspace(const char c)
-{
-	return isspace(c) || c == '\t';
-}
 
 /*
  * get_winsz uses the TIOCGWINSZ to get the window size.
@@ -540,15 +534,15 @@ find_next_word(void)
 	}
 	
 	if (isalnum(editor.row[editor.cury].line[editor.curx])) {
-		while (!iswspace(editor.row[editor.cury].line[editor.curx]) && !cursor_at_eol()) {
+		while (!isspace(editor.row[editor.cury].line[editor.curx]) && !cursor_at_eol()) {
 			move_cursor(ARROW_RIGHT);
 		}
 
 		return;
 	}
 
-	if (iswspace(editor.row[editor.cury].line[editor.curx])) {
+	if (isspace(editor.row[editor.cury].line[editor.curx])) {
-		while (iswspace(editor.row[editor.cury].line[editor.curx])) {
+		while (isspace(editor.row[editor.cury].line[editor.curx])) {
 			move_cursor(ARROW_RIGHT);
 		}
 
@@ -566,7 +560,7 @@ delete_next_word(void)
 	}
 
 	if (isalnum(editor.row[editor.cury].line[editor.curx])) {
-		while (!iswspace(editor.row[editor.cury].line[editor.curx]) && !cursor_at_eol()) {
+		while (!isspace(editor.row[editor.cury].line[editor.curx]) && !cursor_at_eol()) {
 			move_cursor(ARROW_RIGHT);
 			deletech();
 		}
@@ -574,8 +568,8 @@ delete_next_word(void)
 		return;
 	}
 
-	if (iswspace(editor.row[editor.cury].line[editor.curx])) {
+	if (isspace(editor.row[editor.cury].line[editor.curx])) {
-		while (iswspace(editor.row[editor.cury].line[editor.curx])) {
+		while (isspace(editor.row[editor.cury].line[editor.curx])) {
 			move_cursor(ARROW_RIGHT);
 			deletech();
 		}
@@ -594,7 +588,7 @@ find_prev_word(void)
 
 	move_cursor(ARROW_LEFT);
 
-	while (cursor_at_eol() || iswspace(editor.row[editor.cury].line[editor.curx])) {
+	while (cursor_at_eol() || isspace(editor.row[editor.cury].line[editor.curx])) {
 		if (editor.cury == 0 && editor.curx == 0) {
 			return;
 		}
@@ -602,7 +596,7 @@ find_prev_word(void)
 		move_cursor(ARROW_LEFT);
 	}
 
-	while (editor.curx > 0 && !iswspace(editor.row[editor.cury].line[editor.curx - 1])) {
+	while (editor.curx > 0 && !isspace(editor.row[editor.cury].line[editor.curx - 1])) {
 		move_cursor(ARROW_LEFT);
 	}
 }
@@ -620,7 +614,7 @@ delete_prev_word(void)
 		if (editor.curx == 0) {
 			deletech();
 		} else {
-			if (!iswspace(editor.row[editor.cury].line[editor.curx - 1])) {
+			if (!isspace(editor.row[editor.cury].line[editor.curx - 1])) {
 				break;
 			}
 			deletech();
@@ -628,7 +622,7 @@ delete_prev_word(void)
 	}
 
 	while (editor.curx > 0) {
-		if (iswspace(editor.row[editor.cury].line[editor.curx - 1])) {
+		if (isspace(editor.row[editor.cury].line[editor.curx - 1])) {
 			break;
 		}
 		deletech();
@@ -1239,9 +1233,15 @@ process_kcommand(int16_t c)
 		delete_row(editor.cury);
 		break;
 	case 'd':
+		if (editor.curx == 0 && cursor_at_eol()) {
+			delete_row(editor.cury);
+			return;
+		}
+
 		while ((editor.row[editor.cury].size - editor.curx) > 0) {
 			process_normal(DEL_KEY);
 		}
+
 		break;
 	case 'g':
 	case CTRL_KEY('g'):

test.txt.bak

@@ -0,0 +1,15 @@
+hello
+
+
+
+
+
+
+
+
+
+
+
+
+world it is 	me
+	but I am not me