From c137eb24a753d80d8ca513d118f8cf6ce0b3962a Mon Sep 17 00:00:00 2001
From: Daniel Ledda <daniel.ledda@stock3.com>
Date: Mon, 10 Nov 2025 04:25:01 +0100
Subject: [PATCH] remove gnu stuff

---
 core.h | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

diff --git a/core.h b/core.h
index a212711..a1a6404 100644
--- a/core.h
+++ b/core.h
@@ -44,9 +44,7 @@ typedef struct string string;
 
 #define ArrayCount(arr) (sizeof(arr) / sizeof((arr)[0]))
 #define MemberSize(type, memberName) sizeof(((type *)0)->memberName)
-#define MemberType(type, memberName) typeof(((type *)0)->memberName)
 #define MemberSizeUnderlying(type, memberName) sizeof(*((type *)0)->memberName)
-#define MemberTypeUnderlying(type, memberName) typeof(*((type *)0)->memberName)
 
 // ### Arenas ###
 typedef struct {
@@ -139,27 +137,32 @@ inline function Vec4 vec4(real32 x, real32 y, real32 z, real32 w) {
         size_t length;\
         size_t capacity;\
     } prefix ## List
-#define ListElementType(list) MemberTypeUnderlying(type, data)
-#define ListElementSize(list) MemberSizeUnderlying(type, data)
+#define ListElementSize(list) MemberSizeUnderlying(list, data)
 
 DefineList(string, String);
 
-#define PushList(arena, type, size) (type){ (ListElementType(type) *)pushSize(arena, ListElementSize(type)*size), size, 0 }
+#define PushList(arena, type, size) (type){ pushSize(arena, ListElementSize(type)*size), 0, size }
 #define EmptyList(type) (type){ NULL, 0, 0 }
-#define PushListZero(arena, type, size) (type){ (ListElementType(type) *)pushSizeFill(arena, ListElementSize(type)*size, 0), size, 0 }
-#define PushFullList(arena, type, size) (type){ (ListElementType(type) *)pushSize(arena, ListElementSize(type)*size), size, size }
-#define PushFullListZero(arena, type, size) (type){ (ListElementType(type) *)pushSizeFill(arena, ListElementSize(type)*size, 0), size, size }
+#define PushListZero(arena, type, size) (type){ pushSizeFill(arena, ListElementSize(type)*size, 0), 0, size }
+#define PushFullList(arena, type, size) (type){ pushSize(arena, ListElementSize(type)*size), size, size }
+#define PushFullListZero(arena, type, size) (type){ pushSizeFill(arena, ListElementSize(type)*size, 0), size, size }
 #define ArrayAsList(type, array) (type){ array, ArrayCount(array), ArrayCount(array) }
 
 #define AppendList(list, element) \
     if ((list)->length < (list)->capacity) { \
         (list)->data[(list)->length++] = (element); \
     }
-#define ZeroListFull(list) memset((list)->data, 0, (list)->length * ListElementSize(*(list)))
+#define ZeroListFull(list) memset((list)->data, 0, (list)->length * sizeof((list)->data[0]))
 #define ZeroList(list) (list)->length = 0; \
-    memset((list)->data, 0, (list)->length * ListElementType(*(list)));
-#define ListSlice(list, start, stop) (stop > (list)->length || start > stop ? {0} : { (list)->data + start, stop - start, stop - start, })
-#define ListTail(list, start) ListSlice(list, (list)->length)
+    memset((list)->data, 0, (list)->length * sizeof((list)->data[0]))
+
+// Following two macros do not use pointers due to copying
+#define ListSlice(list, start, stop) {\
+    .data= (stop > (list).length || start > stop) ? 0 : (list).data + start,\
+    .length=(stop > (list).length || start > stop) ? 0 : stop - start,\
+    .capacity=(stop > (list).length || start > stop) ? 0 : stop - start,\
+}
+#define ListTail(list, start) ListSlice(list, start, (list).length)
 
 // ### Strings ###
 struct string {
@@ -230,8 +233,8 @@ typedef enum {
 } StdStream;
 
 #define ANSI_INSTRUCTION_FROM_ENUM(ansiCodeEnum) ANSI_INSTRUCTION(ansiCodeEnum)
-#define ANSI_INSTRUCTION(ansiCode) "\u001b[" #ansiCode "m"
-#define ANSI_INSTRUCTION_STR(ansiCodeStr) "\u001b[" ansiCodeStr "m"
+#define ANSI_INSTRUCTION(ansiCode) "\x1b[" #ansiCode "m"
+#define ANSI_INSTRUCTION_STR(ansiCodeStr) "\x1b[" ansiCodeStr "m"
 #define ANSI_RESET ANSI_INSTRUCTION(0)
 
 #define ANSI_fg_black 30