Replace guards with pragma once

arena.h

@@ -9,6 +9,11 @@
 #define MA_GIB(x) (MA_MIB(x) * 1024ull)
 #define MA_TIB(x) (MA_GIB(x) * 1024ull)
 
+typedef struct MV_Memory MV_Memory;
+typedef struct MA_Checkpoint MA_Checkpoint;
+typedef struct MA_Arena MA_Arena;
+typedef struct M_Allocator M_Allocator;
+
 #ifndef MA_DEFAULT_RESERVE_SIZE
     #define MA_DEFAULT_RESERVE_SIZE MA_GIB(1)
 #endif
@@ -69,12 +74,7 @@ typedef enum M_AllocatorOp {
     M_AllocatorOp_Deallocate,
 } M_AllocatorOp;
 
-typedef struct MV_Memory MV_Memory;
-typedef struct MA_Checkpoint MA_Checkpoint;
-typedef struct MA_Arena MA_Arena;
-typedef struct M_Allocator M_Allocator;
 typedef void *M_AllocatorProc(void *allocator, M_AllocatorOp kind, void *p, size_t size);
-
 struct M_Allocator {
     void *obj;
     void *(*p)(void *allocator, M_AllocatorOp kind, void *p, size_t size);

array.hpp

@@ -1,4 +1,4 @@
-// #define ARRAY_ALLOCATOR_TYPE Allocator
+#pragma once
 
 #ifndef ARRAY_PRIVATE_FUNCTION
     #if defined(__GNUC__) || defined(__clang__)

clexer.h

@@ -1,5 +1,4 @@
-#ifndef CL_HEADER
-#define CL_HEADER
+#pragma once
 #include <stdint.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -494,5 +493,3 @@ CL_INLINE CL_Token *CL_MatchIdentifier(CL_Tokens *tokens, char *str) {
     }
     return 0;
 }
-
-#endif // CL_HEADER

filesystem.h

@@ -1,5 +1,4 @@
-#ifndef OS_FS_HEADER
-#define OS_FS_HEADER
+#pragma once
 
 #ifndef OS_API
     #ifdef __cplusplus
@@ -63,4 +62,3 @@ OS_API S8_String OS_ListDirRegexAsString(MA_Arena *arena, S8_String path, unsign
 OS_API bool OS_ExpandIncludesList(MA_Arena *arena, S8_List *out, S8_String filepath);
 OS_API S8_String OS_ExpandIncludes(MA_Arena *arena, S8_String filepath);
 OS_API bool WIN_EnableTerminalColors(void);
-#endif // OS_FS_HEADER

hash.h

@@ -1,5 +1,4 @@
-#ifndef HASH_HEADER
-#define HASH_HEADER
+#pragma once
 #include <stdint.h>
 
 #ifndef HASH_API_FUNCTION
@@ -30,4 +29,3 @@ HASH_API_FUNCTION uint64_t        HashMix(uint64_t x, uint64_t y);
 
 #define WRAP_AROUND_POWER_OF_2(x, pow2) (((x) & ((pow2)-1llu)))
 static inline float GetRandomNormalF(RandomSeed *series) { return (float)GetRandomNormal(series); }
-#endif

io.h

@@ -1,5 +1,4 @@
-#ifndef IO_HEADER
-#define IO_HEADER
+#pragma once
 #include <stdbool.h>
 
 #ifndef IO_API
@@ -72,4 +71,3 @@ IO_API void IO_OutputMessage(char *str, int len);
 IO_API IO_ErrorResult IO_OutputError(char *str, int len);
 IO_API void IO_Exit(int error_code);
 IO_API bool IO_IsDebuggerPresent(void);
-#endif

linked_list.h

@@ -1,6 +1,4 @@
-#ifndef LINKED_LIST_HEADER
-#define LINKED_LIST_HEADER
-
+#pragma once
 #define SLL_QUEUE_ADD_MOD(f, l, n, next) \
     do {                                 \
         (n)->next = 0;                   \
@@ -125,5 +123,3 @@
     } while (0)
 #define DLL_INSERT_NEXT(base, new) DLL_INSERT_NEXT_MOD(base, new, next, prev)
 #define DLL_INSERT_PREV(base, new) DLL_INSERT_NEXT_MOD(base, new, next, prev)
-
-#endif

load_library.h

@@ -1,6 +1,4 @@
-#ifndef LIB_LOAD_HEADER
-#define LIB_LOAD_HEADER
-
+#pragma once
 typedef void *LIB_Library;
 
 LIB_Library LIB_LoadLibrary(char *str);
@@ -10,5 +8,3 @@ bool LIB_UnloadLibrary(LIB_Library lib);
 #ifndef LIB_EXPORT
     #define LIB_EXPORT __declspec(dllexport)
 #endif
-
-#endif

multimedia.h

@@ -1,5 +1,4 @@
-#ifndef MU_HEADER
-#define MU_HEADER
+#pragma once
 #include <stdbool.h>
 #include <stdint.h>
 #include <stddef.h>
@@ -367,5 +366,3 @@ typedef struct MU_Event {
 
 
     */
-
-#endif // MU_HEADER

preproc_env.h

@@ -1,6 +1,4 @@
-#ifndef PREPROC_ENV_HEADER
-#define PREPROC_ENV_HEADER
-
+#pragma once
 #ifndef _CRT_SECURE_NO_WARNINGS
     #define _CRT_SECURE_NO_WARNINGS
 #endif
@@ -86,5 +84,3 @@
 //     #pragma clang diagnostic push
 //     #pragma clang diagnostic ignored "-Wmicrosoft-enum-forward-reference"
 // #endif
-
-#endif // PREPROC_ENV_HEADER

regex.h

@@ -1,5 +1,4 @@
-#ifndef RE_HEADER
-#define RE_HEADER
+#pragma once
 #include <stdint.h>
 #include <stdbool.h>
 
@@ -92,5 +91,3 @@ RE_API RE_Match RE3_FindAgain(RE_Regex *regex, char *string, RE_Int len, RE_Matc
 RE_API RE_Int RE3_MatchFront(RE_Regex *regex, char *string, RE_Int len, char *string_front);
 RE_API RE_Regex *RE1_Parse(char *buff, RE_Int buffsize, char *string);
 RE_API RE_Regex *RE2_Parse(char *buff, RE_Int buffsize, char *string, RE_Int len);
-
-#endif // RE_HEADER

string.h

@@ -1,5 +1,4 @@
-#ifndef S8_HEADER
-#define S8_HEADER
+#pragma once
 #include <stdint.h>
 #include <stdbool.h>
 
@@ -115,5 +114,3 @@ S8_API S8_List S8_CopyList(S8_Allocator allocator, S8_List a);
 S8_API S8_List S8_ConcatLists(S8_Allocator allocator, S8_List a, S8_List b);
 S8_API S8_Node *S8_AddNode(S8_Allocator allocator, S8_List *list, S8_String string);
 S8_API S8_String S8_AddF(S8_Allocator allocator, S8_List *list, const char *str, ...);
-
-#endif // S8_HEADER

table.hpp

@@ -1,3 +1,4 @@
+#pragma once
 #include <stdint.h>
 /*
     Hash table implementation:

unicode.h

@@ -1,5 +1,4 @@
-#ifndef UTF_HEADER
-#define UTF_HEADER
+#pragma once
 #include <stdint.h>
 typedef struct UTF32_Result UTF32_Result;
 typedef struct UTF8_Result UTF8_Result;
@@ -51,4 +50,3 @@ UTF_API UTF8_Iter UTF8_IterateEx(char *str, int len);
 UTF_API UTF8_Iter UTF8_Iterate(char *str);
 
 #define UTF8_For(name, str, len) for (UTF8_Iter name = UTF8_IterateEx(str, (int)len); name.item; UTF8_Advance(&name))
-#endif // UTF_HEADER