[PATCH 1/2] mingw.h: permit arguments with side effects for is_dir_sep

[Johannes Sixt <j6t@kdbg.org>]

The implementation of is_dir_sep in git-compat-util.h uses an inline
function. Use one also for the implementation in compat/mingw.h to support
non-trivial argument expressions.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
 compat/mingw.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/compat/mingw.h b/compat/mingw.h
index cdc112526a..5e8447019b 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -398,7 +398,11 @@ HANDLE winansi_get_osfhandle(int fd);
 	(isalpha(*(path)) && (path)[1] == ':' ? 2 : 0)
 int mingw_skip_dos_drive_prefix(char **path);
 #define skip_dos_drive_prefix mingw_skip_dos_drive_prefix
-#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
+static inline int mingw_is_dir_sep(int c)
+{
+	return c == '/' || c == '\\';
+}
+#define is_dir_sep mingw_is_dir_sep
 static inline char *mingw_find_last_dir_sep(const char *path)
 {
 	char *ret = NULL;
-- 
2.13.0.55.g17b7d13330