From b74d4319dcbf173e596bc422796058091e7e07b8 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Fri, 18 Dec 2020 06:46:18 -0600
Subject: Andy Hu wants mount -tnomsdos,smbfs to work.

---
 lib/portability.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'lib')

diff --git a/lib/portability.c b/lib/portability.c
index 91c01900..0c364c29 100644
--- a/lib/portability.c
+++ b/lib/portability.c
@@ -126,14 +126,15 @@ int mountlist_istype(struct mtab_list *ml, char *typelist)
 
   if (!typelist) return 1;
 
+  // leading "no" indicates whether entire list is inverted
   skip = strncmp(typelist, "no", 2);
 
   for (;;) {
     if (!(t = comma_iterate(&typelist, &len))) break;
     if (!skip) {
-      // If one -t starts with "no", the rest must too
-      if (strncmp(t, "no", 2)) error_exit("bad typelist");
-      if (!strncmp(t+2, ml->type, len-2)) {
+      // later "no" after first are ignored
+      strstart(&t, "no");
+      if (!strncmp(t, ml->type, len-2)) {
         skip = 1;
         break;
       }
-- 
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