win32: stat(2) succeeds if fetching extra metadata fails

Some files can't be opened to fetch additional metadata.  When
that happens allow stat(2) to successfully return what data it
has.

In a few cases where the inode number is used to determine if
files are identical ignore invalid inode numbers.

1 files changed, 3 insertions, 1 deletions

diff --git a/editors/diff.c b/editors/diff.c
index 815c8a915..308d9782b 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -1040,7 +1040,9 @@ int diff_main(int argc UNUSED_PARAM, char **argv)
          * 255, or if a local inode number (st_ino) exceeds 16777215.
          */
         if (ENABLE_DESKTOP
-         && (!ENABLE_PLATFORM_MINGW32 || ENABLE_FEATURE_EXTRA_FILE_DATA)
+         && (ENABLE_PLATFORM_POSIX || ENABLE_FEATURE_EXTRA_FILE_DATA)
+         /* ignore invalid inode numbers */
+         && (ENABLE_FEATURE_EXTRA_FILE_DATA && stb[0].st_ino != 0)
          && stb[0].st_ino == stb[1].st_ino
          && stb[0].st_dev == stb[1].st_dev
          && stb[0].st_size == stb[1].st_size