fix breakage

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3700 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

diff --git a/src/browser.c b/src/browser.c
index 4de69a4e5d3c8600733421ab559aa20924dc7f5e..00310e281c41bfc30b91dbba2e20b4d92cb95bc8 100644 (file)
--- a/src/browser.c
+++ b/src/browser.c
@@ -246,12 +246,13 @@ char *do_browser(char *path, DIR *dir)
                new_path_len = strlen(new_path) + 1;
 
                if (new_path[0] != '/') {
-                   new_path = charealloc(new_path, strlen(path) +
-                       strlen(answer) + 1);
+                   new_path = charealloc(new_path, new_path_len +
+                       strlen(answer));
                    sprintf(new_path, "%s%s", path, answer);
                }
 
-               if (new_path[new_path_len - 1] == '/')
+               if (new_path_len > 1 &&
+                       new_path[new_path_len - 1] == '/')
                    null_at(&new_path, new_path_len - 1);
 
                /* We can't move up from "/". */