Resolve compiler warnings and udpate CFLAGS

Makefile

@@ -1,20 +1,17 @@
 .POSIX:
 .SUFFIXES:
 
-CC = cc
 VERSION = 1.0
 TARGET = vip
 PREFIX ?= /usr/local
 BINDIR = $(PREFIX)/bin
-MANDIR = $(PREFIX)/share/man/man1
 
-# Flags
-CFLAGS = -O3 -march=native -mtune=native -pipe -s -flto -std=c99 -pedantic -Wall -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600
+CFLAGS = -Os -march=native -mtune=native -pipe -s -flto -std=c99 -pedantic -Wall -D_DEFAULT_SOURCE
 
-SRC = src/*.c config.h
+SRC != find src -name *.c
 INCLUDE = include
 
-$(TARGET): $(SRC)
+$(TARGET): $(SRC) config.h
 	$(CC) $(SRC) -o $@ $(CFLAGS) -I$(INCLUDE) -I.
 
 dist:
@@ -26,15 +23,14 @@ dist:
 
 install: $(TARGET)
 	mkdir -p $(DESTDIR)$(BINDIR)
-	mkdir -p $(DESTDIR)$(MANDIR)
 	cp -p $(TARGET) $(DESTDIR)$(BINDIR)/$(TARGET)
 	chmod 755 $(DESTDIR)$(BINDIR)/$(TARGET)
 
 uninstall:
-	$(RM) $(DESTDIR)$(BINDIR)/$(TARGET)
+	rm $(DESTDIR)$(BINDIR)/$(TARGET)
 
 clean:
-	$(RM) $(TARGET)
+	rm $(TARGET)
 
 all: $(TARGET)
 

include/editor.h

@@ -1,16 +1,16 @@
 #ifndef EDITOR_H_
 #define EDITOR_H_
 
-void refresh_screen();
+void refresh_screen(void);
 void move_cursor(int key);
-void scroll();
+void scroll(void);
 void insert_char(int c);
-void insert_new_line();
-void shift_new_line();
-void del_char();
-void init_editor();
+void insert_new_line(void);
+void shift_new_line(void);
+void del_char(void);
+void init_editor(void);
 void open_editor(char *filename);
 char *prompt_editor(char *prompt, void (*callback)(char *, int));
-void find_editor();
+void find_editor(void);
 
 #endif

include/io.h

@@ -1,9 +1,9 @@
 #ifndef IO_H_
 #define IO_H_
 
-int read_key();
-void save_file();
-void process_key();
+int read_key(void);
+void save_file(void);
+void process_key(void);
 void draw_rows(struct abuf *ab);
 
 #endif

include/syntax.h

@@ -21,6 +21,6 @@ typedef struct language {
 int is_separator(int c);
 void update_highlight(row *row);
 char *syntax_to_color(int hl, size_t *len);
-void select_syntax_highlight();
+void select_syntax_highlight(void);
 
 #endif

include/term.h

@@ -4,8 +4,8 @@
 #define CTRL_KEY(k) ((k) & 0x1f)
 
 void die(const char *s);
-void reset_term();
-void setup_term();
+void reset_term(void);
+void setup_term(void);
 int get_cursor_position(int *rows, int *cols);
 int get_window_size(int *rows, int *cols);
 

src/editor.c

@@ -12,7 +12,7 @@
 
 extern editor vip;
 
-void refresh_screen()
+void refresh_screen(void)
 {
 	scroll();
 
@@ -68,7 +68,7 @@ void move_cursor(int key)
 	}
 }
 
-void scroll()
+void scroll(void)
 {
 	vip.rx = 0;
 	if (vip.cy < vip.rows) {
@@ -97,7 +97,7 @@ void insert_char(int c)
 	vip.cx++;
 }
 
-void insert_new_line()
+void insert_new_line(void)
 {
 	if (vip.cx == 0) {
 		insert_row(vip.cy, "", 0);
@@ -116,14 +116,14 @@ void insert_new_line()
 /*
  * 'o' in vim
  */
-void shift_new_line()
+void shift_new_line(void)
 {
 	insert_row(vip.cy + 1, "", 0);
 	vip.cy++;
 	vip.cx = 0;
 }
 
-void del_char()
+void del_char(void)
 {
 	if (vip.cy == vip.rows) return;
 	if (vip.cx == 0 && vip.cy == 0) return;
@@ -140,7 +140,7 @@ void del_char()
 	}
 }
 
-void init_editor()
+void init_editor(void)
 {
 	vip.cx = 0;
 	vip.cy = 0;
@@ -280,7 +280,7 @@ void find_callback(char *query, int key)
 	}
 }
 
-void find_editor()
+void find_editor(void)
 {
 	int tmp_cx = vip.cx;
 	int tmp_cy = vip.cy;

src/io.c

@@ -10,7 +10,7 @@
 #include "vip.h"
 #include "bar.h"
 
-int read_key()
+int read_key(void)
 {
 	int nread;
 	char c;
@@ -65,7 +65,7 @@ int read_key()
 	}
 }
 
-void save_file()
+void save_file(void)
 {
 	if (vip.filename == NULL) {
 		vip.filename = prompt_editor("Save as: %s", NULL);
@@ -94,9 +94,8 @@ void save_file()
 	set_status_bar_message("Error saving: %s", strerror(errno));
 }
 
-void process_key()
+void process_key(void)
 {
-
 	int c = read_key();
 	switch (c) {
 		case '\r':
@@ -172,8 +171,6 @@ void process_key()
 				switch (cmd[0]) {
 					case 'q':
 						if (cmd[1] == '!') {
-							write(STDOUT_FILENO, "\x1b[2J", 4);
-							write(STDOUT_FILENO, "\x1b[H", 3);
 							exit(0);
 							break;
 						} else {
@@ -182,8 +179,7 @@ void process_key()
 								vip.mode = NORMAL;
 								return;
 							}
-							write(STDOUT_FILENO, "\x1b[2J", 4);
-							write(STDOUT_FILENO, "\x1b[H", 3);
+
 							exit(0);
 							break;
 

src/syntax.c

@@ -185,7 +185,7 @@ char *syntax_to_color(int hl, size_t *len)
 	}
 }
 
-void select_syntax_highlight()
+void select_syntax_highlight(void)
 {
 	vip.syntax = NULL;
 	if (vip.filename == NULL) return;

src/term.c

@@ -10,24 +10,25 @@ extern editor vip;
 
 void die(const char *s)
 {
-	write(STDOUT_FILENO, "\x1b[2J", 4);
-	write(STDOUT_FILENO, "\x1b[H", 3);
+	write(STDOUT_FILENO, "\x1b[2J\x1b[H", 7);
 	perror(s);
 	exit(1);
 }
 
-void reset_term()
+void reset_term(void)
 {
 	if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &vip.termios) == -1) {
 		die("tcsetattr");
 	}
+	write(STDOUT_FILENO, "\x1b[2J\x1b[?1049l", 12);
 }
 
 /*
  * Setup terminal
  */
-void setup_term()
+void setup_term(void)
 {
+	write(STDOUT_FILENO, "\x1b[?1049h\x1b[2J", 12);
 	if (tcgetattr(STDIN_FILENO, &vip.termios) == -1) {
 		die("tcgetattr");
 	}