Sync with Git 2.24.1

compat/mingw.h

@@ -452,6 +452,20 @@ char *mingw_query_user_email(void);
 #include <inttypes.h>
 #endif
 
+/**
+ * Verifies that the given path is a valid one on Windows.
+ *
+ * In particular, path segments are disallowed which
+ *
+ * - end in a period or a space (except the special directories `.` and `..`).
+ *
+ * - contain any of the reserved characters, e.g. `:`, `;`, `*`, etc
+ *
+ * Returns 1 upon success, otherwise 0.
+ */
+int is_valid_win32_path(const char *path);
+#define is_valid_path(path) is_valid_win32_path(path)
+
 /**
  * Converts UTF-8 encoded string to UTF-16LE.
  *