From 31c7d4e31b4608260d366acc215b0114661ea42e Mon Sep 17 00:00:00 2001
From: timerix <timerix11@gmail.com>
Date: Thu, 19 Jan 2023 20:58:30 +0600
Subject: [PATCH] PACK_ENUM

---
 src/Filesystem/file.h      |  4 ++--
 src/base/errors.h          |  4 ++--
 src/base/std.h             |  4 ++++
 src/kprint/kprint_colors.h | 10 +++++-----
 src/kprint/kprint_format.h |  4 ++--
 5 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/Filesystem/file.h b/src/Filesystem/file.h
index 1f0f045..da0f45a 100644
--- a/src/Filesystem/file.h
+++ b/src/Filesystem/file.h
@@ -13,7 +13,7 @@ Array_declare(FilePath);
 typedef FILE File;
 ktid_declare(File);
 
-typedef enum FileOpenMode{
+PACK_ENUM(FileOpenMode,
     // open a file for reading 
     FileOpenMode_Read=1, 
     // (re)create a file for writing
@@ -24,7 +24,7 @@ typedef enum FileOpenMode{
     FileOpenMode_ReadWrite=FileOpenMode_Read|FileOpenMode_Write, 
     // opens file for readng/writing additional data to the end / creates new file 
     FileOpenMode_ReadAppend=FileOpenMode_Read|FileOpenMode_Append
-} FileOpenMode;
+ )
 
 
 /// @brief opens file
diff --git a/src/base/errors.h b/src/base/errors.h
index d3cb5ac..7c46733 100644
--- a/src/base/errors.h
+++ b/src/base/errors.h
@@ -7,13 +7,13 @@ extern "C" {
 #include "std.h"
 #include "type_system/unitype.h"
 
-typedef enum ErrorId {
+PACK_ENUM(ErrorId,
     SUCCESS, // not an error 
     ERR_MAXLENGTH, ERR_WRONGTYPE, ERR_WRONGINDEX, 
     ERR_NOTIMPLEMENTED, ERR_NULLPTR, ERR_ENDOFSTR, 
     ERR_KEYNOTFOUND, ERR_FORMAT, ERR_UNEXPECTEDVAL,
     ERR_IO, ERR_IO_EOF
-} ErrorId;
+)
 
 char* errname(ErrorId err);
 
diff --git a/src/base/std.h b/src/base/std.h
index 0dc29bc..bc45b55 100644
--- a/src/base/std.h
+++ b/src/base/std.h
@@ -118,6 +118,10 @@ You can even embed it into macro in header (see kprint.h)
     CODE;\
     PRAGMA_WARNING_POP
 
+#define PACK_ENUM(ENUM_NAME, ENUM_MEMBERS...) typedef enum ENUM_NAME {\
+    ENUM_MEMBERS\
+} __attribute__((__packed__)) ENUM_NAME;
+
 #if __cplusplus
 }
 #endif
\ No newline at end of file
diff --git a/src/kprint/kprint_colors.h b/src/kprint/kprint_colors.h
index acc15ac..5fc26f3 100644
--- a/src/kprint/kprint_colors.h
+++ b/src/kprint/kprint_colors.h
@@ -8,7 +8,7 @@ extern "C" {
 //         ^   ^^^^
 //         |   color num
 // fgColorSet flag   
-typedef enum kp_fgColor{
+PACK_ENUM(kp_fgColor,
     /// black foreground
     kp_fgBlack   = 0x80000000,
     /// dark red foreground
@@ -41,12 +41,12 @@ typedef enum kp_fgColor{
     kp_fgCyan    = 0x8e000000,
     /// white foreground
     kp_fgWhite      = 0x8f000000 
-} kp_fgColor;
+)
 
 //          01000000 00000000  00000000 00000000
 //           ^       ^^^^
 // bgColorSet flag   color num
-typedef enum kp_bgColor{
+PACK_ENUM(kp_bgColor,
     /// black background
     kp_bgBlack   = 0x40000000,
     /// dark red background
@@ -78,8 +78,8 @@ typedef enum kp_bgColor{
     /// cyan background
     kp_bgCyan    = 0x40e00000,
     /// white background
-    kp_bgWhite   = 0x40f00000 
-} kp_bgColor;
+    kp_bgWhite   = 0x40f00000
+)
 
 #if __cplusplus
 }
diff --git a/src/kprint/kprint_format.h b/src/kprint/kprint_format.h
index 8f72c94..9efceae 100644
--- a/src/kprint/kprint_format.h
+++ b/src/kprint/kprint_format.h
@@ -10,7 +10,7 @@ extern "C" {
 /// kprint_format
 typedef uint32 kp_fmt;
 
-typedef enum kp_dataFmt{
+PACK_ENUM(kp_dataFmt,
 // 00000000 00000000  00000000 00000000
 //              ^^^^
 //              type
@@ -32,7 +32,7 @@ typedef enum kp_dataFmt{
 //    ^
 // uppercase flag
     kp_upper=0x10000000
-} kp_dataFmt;
+)
 
 #define kp_fmt_fgColorSet(FMT) (bool)((FMT&0x80000000)!=0)
 #define kp_fmt_bgColorSet(FMT) (bool)((FMT&0x40000000)!=0)