Fix: [Win32] WIN32 may not be defined, always prefer the compiler predefined macro _WIN32

src/fileio.cpp

@@ -15,7 +15,7 @@
 #include "fios.h"
 #include "string_func.h"
 #include "tar_type.h"
-#ifdef WIN32
+#ifdef _WIN32
 #include <windows.h>
 # define access _taccess
 #elif defined(__HAIKU__)
@@ -361,7 +361,7 @@ char *FioFindFullPath(char *buf, const char *last, Subdirectory subdir, const ch
 	FOR_ALL_SEARCHPATHS(sp) {
 		FioGetFullPath(buf, last, sp, subdir, filename);
 		if (FileExists(buf)) return buf;
-#if !defined(WIN32)
+#if !defined(_WIN32)
 		/* Be, as opening files, aware that sometimes the filename
 		 * might be in uppercase when it is in lowercase on the
 		 * disk. Of course Windows doesn't care about casing. */
@@ -399,7 +399,7 @@ char *FioGetDirectory(char *buf, const char *last, Subdirectory subdir)
 
 static FILE *FioFOpenFileSp(const char *filename, const char *mode, Searchpath sp, Subdirectory subdir, size_t *filesize)
 {
-#if defined(WIN32) && defined(UNICODE)
+#if defined(_WIN32) && defined(UNICODE)
 	/* fopen is implemented as a define with ellipses for
 	 * Unicode support (prepend an L). As we are not sending
 	 * a string, but a variable, it 'renames' the variable,
@@ -416,12 +416,12 @@ static FILE *FioFOpenFileSp(const char *filename, const char *mode, Searchpath s
 		seprintf(buf, lastof(buf), "%s%s%s", _searchpaths[sp], _subdirs[subdir], filename);
 	}
 
-#if defined(WIN32)
+#if defined(_WIN32)
 	if (mode[0] == 'r' && GetFileAttributes(OTTD2FS(buf)) == INVALID_FILE_ATTRIBUTES) return NULL;
 #endif
 
 	f = fopen(buf, mode);
-#if !defined(WIN32)
+#if !defined(_WIN32)
 	if (f == NULL && strtolower(buf + ((subdir == NO_DIRECTORY) ? 0 : strlen(_searchpaths[sp]) - 1))) {
 		f = fopen(buf, mode);
 	}
@@ -535,7 +535,7 @@ void FioCreateDirectory(const char *name)
 {
 	/* Ignore directory creation errors; they'll surface later on, and most
 	 * of the time they are 'directory already exists' errors anyhow. */
-#if defined(WIN32)
+#if defined(_WIN32)
 	CreateDirectory(OTTD2FS(name), NULL);
 #elif defined(OS2) && !defined(__INNOTEK_LIBC__)
 	mkdir(OTTD2FS(name));
@@ -979,14 +979,14 @@ bool ExtractTar(const char *tar_filename, Subdirectory subdir)
 	return true;
 }
 
-#if defined(WIN32)
+#if defined(_WIN32)
 /**
  * Determine the base (personal dir and game data dir) paths
  * @param exe the path from the current path to the executable
  * @note defined in the OS related files (os2.cpp, win32.cpp, unix.cpp etc)
  */
 extern void DetermineBasePaths(const char *exe);
-#else /* defined(WIN32) */
+#else /* defined(_WIN32) */
 
 /**
  * Changes the working directory to the path of the give executable.
@@ -1149,7 +1149,7 @@ extern void cocoaSetApplicationBundleDir();
 	_searchpaths[SP_APPLICATION_BUNDLE_DIR] = NULL;
 #endif
 }
-#endif /* defined(WIN32) */
+#endif /* defined(_WIN32) */
 
 const char *_personal_dir;