Genericize compatibility

Extract additional platform-specific imports to basic compatibility
header.

CMakeLists.txt

@@ -179,7 +179,7 @@ add_executable(
     src/packages/log/IZ_log.h
     src/packages/timer/IZ_timer.c
     src/packages/timer/IZ_timer.h
-    src/packages/compat/IZ_windows.h
+        src/packages/compat/IZ_compat.h
     src/packages/stdinc/IZ_stdlib.c
     src/packages/stdinc/IZ_stdlib.h
 )

__mocks__/src/packages/stdinc/IZ_string.mock.h

@@ -2,7 +2,7 @@
 #define IZ_STRING_MOCK_C
 
 #include <bdd-for-c-mocks.h>
-#include "../../../src/packages/compat/IZ_windows.h"
+#include "../../../src/packages/compat/IZ_compat.h"
 
 mock(IZ_memset) void* IZ_memset(void* dst, int c, size_t len) {
 	mock_return(IZ_memset) 0;

src/packages/compat/IZ_compat.h

@@ -0,0 +1,18 @@
+#ifndef IZ_COMPAT_H
+#define IZ_COMPAT_H
+
+#if defined IZ_WINDOWS
+#define isatty _isatty
+#define fileno _fileno
+#endif
+
+#if defined IZ_UNIX
+typedef size_t rsize_t;
+typedef int errno_t;
+#endif
+
+#if defined IZ_MACOS
+typedef int errno_t;
+#endif
+
+#endif //IZ_COMPAT_H

src/packages/compat/IZ_windows.h

@@ -1,22 +0,0 @@
-#ifndef IZ_WINDOWS_H
-#define IZ_WINDOWS_H
-
-#if defined IZ_WINDOWS
-#include <io.h>
-#include <SDL_syswm.h>
-#define _isatty isatty
-#define _fileno fileno
-#endif
-
-#if defined IZ_UNIX
-typedef size_t rsize_t;
-typedef int errno_t;
-#endif
-
-#if defined IZ_MACOS
-#include <unistd.h>
-
-typedef int errno_t;
-#endif
-
-#endif //IZ_WINDOWS_H

src/packages/io/IZ_io.h

@@ -1,16 +1,21 @@
 #ifndef IZ_IO_H
 #define IZ_IO_H
 
-#include <stdio.h>
-#include <stdbool.h>
-#include <stdarg.h>
-#include "../compat/IZ_windows.h"
-#ifdef IZ_UNIX
+#if defined IZ_WINDOWS
+#include <io.h>
+#include <SDL_syswm.h>
+#elif defined IZ_UNIX
 #include <sys/stat.h>
 #elif defined IZ_MACOS
 #include <sys/stat.h>
+#include <unistd.h>
 #endif
 
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdarg.h>
+#include "../compat/IZ_compat.h"
+
 int IZ_sprintf(char*, size_t, const char*, ...);
 
 errno_t IZ_fopen(FILE**, const char*, const char*);

src/packages/log/IZ_log.h

@@ -16,7 +16,14 @@
 #define IZ_LOG_LEVEL_FLAG_WARN
 #define IZ_LOG_LEVEL_FLAG_ERROR
 
-#include "../compat/IZ_windows.h"
+#if defined IZ_WINDOWS
+#include <io.h>
+#include <SDL_syswm.h>
+#elif defined IZ_MACOS
+#include <unistd.h>
+#endif
+
+#include "../compat/IZ_compat.h"
 #include <stdbool.h>
 #include <stdarg.h>
 #include <stdio.h>

src/packages/stdinc/IZ_string.h

@@ -2,7 +2,12 @@
 #define IZ_STRING_H
 
 #include <string.h>
-#include "../compat/IZ_windows.h"
+#if defined IZ_WINDOWS
+#include <io.h>
+#include <SDL_syswm.h>
+#elif defined IZ_MACOS
+#include <unistd.h>
+#endif
 
 errno_t IZ_memcpy(void*, rsize_t, const void*, rsize_t);