X-Git-Url: https://git.llucax.com/software/mutt-debian.git/blobdiff_plain/647ac5444d022537a1f0854dd309494c511dfe07..5f2a574d6c8989bc7f90612704e3e5f255b5cb58:/gnupgparse.c

diff --git a/gnupgparse.c b/gnupgparse.c
index 56f9061..9de18eb 100644
--- a/gnupgparse.c
+++ b/gnupgparse.c
@@ -108,7 +108,7 @@ static void fix_uid (char *uid)
 	memcpy (uid, buf, ob-buf);
 	uid[ob-buf] = '\0';
       }
-      else if (ob-buf == n && (buf[n] = 0, strlen (buf) < n))
+      else if (n >= 0 && ob-buf == n && (buf[n] = 0, strlen (buf) < (size_t)n))
 	memcpy (uid, buf, n);
     }
     FREE (&buf);