From 095ef2947d858df7ccc9baa4806fe7366fca26bc Mon Sep 17 00:00:00 2001
From: cflip <cflip@cflip.net>
Date: Sun, 8 Jan 2023 14:57:40 -0700
Subject: Use C-style include guards instead of #pragma once

---
 buffer.h   | 5 ++++-
 editor.h   | 5 ++++-
 file.h     | 5 ++++-
 input.h    | 5 ++++-
 row.h      | 5 ++++-
 syntax.h   | 5 ++++-
 terminal.h | 5 ++++-
 7 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/buffer.h b/buffer.h
index 474202e..7761f6c 100644
--- a/buffer.h
+++ b/buffer.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef _BUFFER_H
+#define _BUFFER_H
 
 struct append_buffer {
 	char* buffer;
@@ -9,3 +10,5 @@ struct append_buffer {
 
 void ab_append(struct append_buffer* ab, const char* string, int length);
 void ab_free(struct append_buffer* ab);
+
+#endif
diff --git a/editor.h b/editor.h
index 578a91e..8b42b7f 100644
--- a/editor.h
+++ b/editor.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef _EDITOR_H
+#define _EDITOR_H
 
 #include <time.h>
 #include "buffer.h"
@@ -33,3 +34,5 @@ void editor_scroll(struct editor_state* editor);
 void editor_draw_rows(struct editor_state* editor, struct append_buffer* buffer);
 void editor_draw_status_bar(struct editor_state* editor, struct append_buffer* buffer);
 void editor_draw_message_bar(struct editor_state* editor, struct append_buffer* buffer);
+
+#endif
diff --git a/file.h b/file.h
index 831d193..70889ac 100644
--- a/file.h
+++ b/file.h
@@ -1,6 +1,9 @@
-#pragma once
+#ifndef _FILE_H
+#define _FILE_H
 
 #include "editor.h"
 
 void editor_open(struct editor_state* editor, char* filename);
 void editor_save(struct editor_state* editor);
+
+#endif
diff --git a/input.h b/input.h
index 5e63904..bd286b2 100644
--- a/input.h
+++ b/input.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef _INPUT_H
+#define _INPUT_H
 
 #include "editor.h"
 
@@ -20,3 +21,5 @@ enum editor_key {
 int editor_read_key();
 void editor_move_cursor(struct editor_state* editor, int key);
 void editor_process_keypress(struct editor_state* editor);
+
+#endif
diff --git a/row.h b/row.h
index f3c9708..e8f6731 100644
--- a/row.h
+++ b/row.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef _ROW_H
+#define _ROW_H
 
 #include <ctype.h>
 
@@ -25,3 +26,5 @@ void delete_row(struct editor_state* editor, int at);
 void row_insert_char(struct editor_state* editor, struct editor_row* row, int at, int c);
 void row_append_string(struct editor_state* editor, struct editor_row* row, char* string, size_t length);
 void row_delete_char(struct editor_state* editor, struct editor_row* row, int at);
+
+#endif
diff --git a/syntax.h b/syntax.h
index 0cb673e..9bf85a4 100644
--- a/syntax.h
+++ b/syntax.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef _SYNTAX_H
+#define _SYNTAX_H
 
 #include <stdlib.h>
 
@@ -34,3 +35,5 @@ enum editor_highlight {
 void editor_update_syntax(struct editor_state* editor, struct editor_row* row);
 int editor_syntax_to_colour(int highlight);
 void editor_select_syntax_highlight(struct editor_state* editor);
+
+#endif
diff --git a/terminal.h b/terminal.h
index 529ba74..1df7ea7 100644
--- a/terminal.h
+++ b/terminal.h
@@ -1,7 +1,10 @@
-#pragma once
+#ifndef _TERMINAL_H
+#define _TERMINAL_H
 
 void die(const char* message);
 void disable_raw_mode();
 void enable_raw_mode();
 int get_cursor_position(int* rows, int* cols);
 int get_window_size(int* rows, int* cols);
+
+#endif
-- 
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