patch 8.1.2125: fnamemodify() fails when repeating :ev8.1.2125

Problem:    Fnamemodify() fails when repeating :e.
Solution:   Do not go before the tail. (Rob Pilling, closes #5024)

1 files changed, 5 insertions, 1 deletions

diff --git a/src/filepath.c b/src/filepath.c
index 3a06eec7b3..cf401dc6d5 100644
--- a/src/filepath.c
+++ b/src/filepath.c
@@ -563,7 +563,11 @@ repeat:
 	}
 	else				// :r
 	{
-	    if (s > tail)	// remove one extension
+	    char_u *limit = *fnamep;
+
+	    if (limit < tail)
+		limit = tail;
+	    if (s > limit)	// remove one extension
 		*fnamelen = (int)(s - *fnamep);
 	}
 	*usedlen += 2;