-// 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))
-
-enum strncpy_behaviour{
- k_strncpy_always_add_null = 0,
- k_strncpy_allow_cutoff = 1
-};
-
-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( (behaviour == k_strncpy_always_add_null) && (i == len-1) ){
- dst[i] = '\0';
- return i;
- }
- }
-
- 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->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;
- }
-}
+/* anything compiled against VG shall implement this function somewhere. */
+void vg_fatal_error( const char *fmt, ... );