mingw: factor out Windows specific environment setup

Signed-off-by: Karsten Blees <blees@dcon.de>

Author: kblees

compat/mingw.c

@@ -2209,6 +2209,22 @@ int handle_long_path(wchar_t *path, int len, int max_path, int expand)
 	}
 }
 
+static void setup_windows_environment()
+{
+	/* on Windows it is TMP and TEMP */
+	if (!getenv("TMPDIR")) {
+		const char *tmp = getenv("TMP");
+		if (!tmp)
+			tmp = getenv("TEMP");
+		if (tmp)
+			setenv("TMPDIR", tmp, 1);
+	}
+
+	/* simulate TERM to enable auto-color (see color.c) */
+	if (!getenv("TERM"))
+		setenv("TERM", "cygwin", 1);
+}
+
 /*
  * Disable MSVCRT command line wildcard expansion (__getmainargs called from
  * mingw startup code, see init.c in mingw runtime).
@@ -2305,19 +2321,7 @@ void mingw_startup()
 	qsort(environ, i, sizeof(char*), compareenv);
 
 	/* fix Windows specific environment settings */
-
-	/* on Windows it is TMP and TEMP */
-	if (!mingw_getenv("TMPDIR")) {
-		const char *tmp = mingw_getenv("TMP");
-		if (!tmp)
-			tmp = mingw_getenv("TEMP");
-		if (tmp)
-			setenv("TMPDIR", tmp, 1);
-	}
-
-	/* simulate TERM to enable auto-color (see color.c) */
-	if (!getenv("TERM"))
-		setenv("TERM", "cygwin", 1);
+	setup_windows_environment();
 
 	/*
 	 * Avoid a segmentation fault when cURL tries to set the CHARSET