utils: move some MSVC compat stuff to common place

Signed-off-by: Ran Benita <ran@unusedvar.com>

src/context.c

@@ -29,15 +29,6 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <errno.h>
-#ifdef _MSC_VER
-# include <direct.h>
-# include <io.h>
-# ifndef S_ISDIR
-#  define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
-# endif
-#else
-# include <unistd.h>
-#endif
 
 #include "xkbcommon/xkbcommon.h"
 #include "utils.h"

src/utils.h

@@ -31,13 +31,21 @@
 #include <stdio.h>
 #include <string.h>
 #if HAVE_UNISTD_H
-#include <unistd.h>
+# include <unistd.h>
 #else
 /* Required on Windows where unistd.h doesn't exist */
-#define R_OK    4               /* Test for read permission.  */
-#define W_OK    2               /* Test for write permission.  */
-#define X_OK    1               /* Test for execute permission.  */
-#define F_OK    0               /* Test for existence.  */
+# define R_OK    4               /* Test for read permission.  */
+# define W_OK    2               /* Test for write permission.  */
+# define X_OK    1               /* Test for execute permission.  */
+# define F_OK    0               /* Test for existence.  */
+#endif
+
+#ifdef _MSC_VER
+# include <direct.h>
+# include <io.h>
+# ifndef S_ISDIR
+#  define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+# endif
 #endif
 
 #include "darray.h"

test/context.c

@@ -30,15 +30,6 @@
 
 #include <sys/stat.h>
 #include <sys/types.h>
-#ifdef _MSC_VER
-# include <io.h>
-# include <direct.h>
-# ifndef S_ISDIR
-#  define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
-# endif
-#else
-# include <unistd.h>
-#endif
 
 /* keeps a cache of all makedir/maketmpdir directories so we can free and
  * rmdir them in one go, see unmakedirs() */