MinGW: implement mmap

diff --git a/diff-no-index.c b/diff-no-index.c
index 0a14268ba952da5ff66be753cc0cc147ba64ee2b..598687b50ac7b88ca0860faf1670d03047bb3603 100644 (file)
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -38,6 +38,10 @@ static int get_mode(const char *path, int *mode)
 
        if (!path || !strcmp(path, "/dev/null"))
                *mode = 0;
+#ifdef _WIN32
+       else if (!strcasecmp(path, "nul"))
+               *mode = 0;
+#endif
        else if (!strcmp(path, "-"))
                *mode = create_ce_mode(0666);
        else if (lstat(path, &st))