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[vg.git] / vg_platform.h

diff --git a/vg_platform.h b/vg_platform.h
index 1f388988b2f7e101175d3a0a4d01670a4b4c5a4a..b846b06a4056356e8b0825f6621c3a337303a10b 100644 (file)
--- a/vg_platform.h
+++ b/vg_platform.h
@@ -1,19 +1,21 @@
-#ifndef VG_PLATFORM_H
-#define VG_PLATFORM_H
-
-#ifdef VG_RELEASE
- #define VG_STATIC static
-#else
- #define VG_STATIC
-#endif
-
-//#include "vg.h"
-#include "vg_stdint.h"
-
-/* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */
+#pragma once
+
+#include <stdlib.h>
+#include <stdint.h>
+
+typedef uint8_t  u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;
+typedef int8_t   i8;
+typedef int16_t  i16;
+typedef int32_t  i32;
+typedef int64_t  i64;
+typedef float    f32;
+typedef double   f64;
+typedef uint8_t  bool;
 
 typedef unsigned int uint;
-
 typedef int            v2i[2];
 typedef int            v3i[3];
 typedef int            v4i[4];
@@ -26,122 +28,15 @@ typedef v3f                        m4x3f[4];
 typedef v4f       m4x4f[4];
 typedef v3f                    boxf[2];
 
-// Resource types
-typedef struct vg_tex2d vg_tex2d;
-
-struct vg_achievement
-{
-       int is_set;
-       const char *name;
-};
-
-#define vg_static_assert _Static_assert
-#define vg_list_size( A ) (sizeof(A)/sizeof(A[0]))
-#define VG_MUST_USE_RESULT __attribute__((warn_unused_result))
-
-#include <stdio.h>
-#include <dirent.h>
-#include <string.h>
-#include <stdarg.h>
-#include <ctype.h>
-#include <math.h>
-#include <assert.h>
+/* anything compiled against VG shall implement this function somewhere. */
+void vg_fatal_error( const char *fmt, ... );
 
-enum strncpy_behaviour{
-   k_strncpy_always_add_null = 0,
-   k_strncpy_allow_cutoff = 1,
-   k_strncpy_overflow_fatal = 2
-};
-
-VG_STATIC void vg_fatal_error( const char *fmt, ... );
-VG_STATIC u32 vg_strncpy( const char *src, char *dst, u32 len,
-                          enum strncpy_behaviour behaviour )
-{
-   for( u32 i=0; i<len; i++ ){
-      dst[i] = src[i];
-
-      if( !src[i] ) return i;
-
-      if( i == len-1 ){
-         if( behaviour == k_strncpy_always_add_null ){
-            dst[i] = '\0';
-            return i;
-         }
-         else if( behaviour == k_strncpy_overflow_fatal ){
-            vg_fatal_error( "Strncpy dest exceeded buffer length\n" );
-         }
-      }
+#define VG_ASSERT( ITEM, ... ) \
+   if( !( ITEM ) ) { \
+      vg_fatal_error( "Assertion failed: " VG_LOG_MCSTR(ITEM) "\n" \
+                      VG_LOG_WHERE ); \
    }
 
-   return 0;
-}
-
-typedef struct vg_str vg_str;
-struct vg_str{
-   char *buffer;
-   u32 i, len;
-};
-
-VG_STATIC void vg_strnull( vg_str *str, char *buffer, u32 len )
-{
-   str->buffer = buffer;
-   str->buffer[0] = '\0';
-   str->i = 0;
-   str->len = len;
-}
-
-VG_STATIC void vg_strcat( vg_str *str, const char *append )
-{
-   for( u32 i=0; str->i < str->len; i++, str->i ++ ){
-      str->buffer[ str->i ] = append[i];
-
-      if( append[i] == '\0' ) return;
-   }
-}
-
-VG_STATIC int vg_strgood( vg_str *str )
-{
-   if( str->i == str->len ){
-      if( str->buffer[str->i -1] == '\0' ) return 1;
-      else return 0;
-   }
-   else return 1;
-}
-
-VG_STATIC char *vg_strch( vg_str *str, char c )
-{
-   char *ptr = NULL;
-   for( u32 i=0; i<str->i; i++ ){
-      if( str->buffer[i] == c )
-         ptr = str->buffer+i;
-   }
-
-   return ptr;
-}
-
-VG_STATIC u32 vg_strdjb2( const char *str )
-{
-   u32 hash = 5381, c;
-
-   while( (c = *str++) )
-      hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
-
-   return hash;
-}
-
-VG_STATIC int vg_strdjb2_eq( const char *s1, u32 h1, 
-                             const char *s2, u32 h2 )
-{
-   if( h1 == h2 ){
-      if(!strcmp(s1, s2)) return 1;
-      else return 0;
-   } else return 0;
-}
-
-#define VG_STRDJB2_EQ( CS1, S2, H2 ) \
-   vg_strdjb2_eq( CS1, vg_strdjb2(CS1), S2, H2 )
-
-
 #define VG_MIN( A, B ) ((A)<(B)?(A):(B))
 #define VG_MAX( A, B ) ((A)>(B)?(A):(B))
-#endif
+#define vg_list_size( A ) (sizeof(A)/sizeof(A[0]))