# HG changeset patch
# User Adam Chlipala <adam@chlipala.net>
# Date 1451157354 18000
# Node ID d163044ae4931aea9600089b84e9c1f673848cef
# Parent  0420bfe96dda81fd939f6b659d0ec90faaf4da8d
Fix off-by-one memory allocation error (part II)

diff -r 0420bfe96dda -r d163044ae493 mail.c
--- a/mail.c	Sat Dec 26 14:15:12 2015 -0500
+++ b/mail.c	Sat Dec 26 14:15:54 2015 -0500
@@ -93,7 +93,7 @@
 
   address(ctx, s);
   if (h2->cc) {
-    uw_Basis_string all = uw_malloc(ctx, strlen(h2->cc) + 1 + strlen(s));
+    uw_Basis_string all = uw_malloc(ctx, strlen(h2->cc) + 2 + strlen(s));
     sprintf(all, "%s,%s", h2->cc, s);
     h2->cc = all;
   } else
@@ -111,7 +111,7 @@
 
   address(ctx, s);
   if (h2->bcc) {
-    uw_Basis_string all = uw_malloc(ctx, strlen(h2->bcc) + 1 + strlen(s));
+    uw_Basis_string all = uw_malloc(ctx, strlen(h2->bcc) + 2 + strlen(s));
     sprintf(all, "%s,%s", h2->bcc, s);
     h2->bcc = all;
   } else