If adding a trailing dot to a directory name overflows

MAXPATHLEN, die with an overflow error.

diff --git a/flist.c b/flist.c
index 29d75ca..b3c966e 100644 (file)
--- a/flist.c
+++ b/flist.c
@@ -1120,7 +1120,9 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                        if (l == 2 && fname[0] == '.') {
                                /* Turn "./" into just "." rather than "./." */
                                fname[1] = '\0';
-                       } else if (l < MAXPATHLEN) {
+                       } else {
+                               if (l + 1 >= MAXPATHLEN)
+                                       overflow("send_file_list");
                                fname[l++] = '.';
                                fname[l] = '\0';
                        }