# HG changeset patch
# User Timo Sirainen <tss@iki.fi>
# Date 1042058884 -7200
# Node ID b71883ef0247a31f114666c10f60fa0b586bdd00
# Parent  a9a7e57064dff870cc2b31c1bafd6758b87e0727
Reserve UID 2^31-1

diff -r a9a7e57064df -r b71883ef0247 src/lib-index/mail-index.h
--- a/src/lib-index/mail-index.h	Wed Jan 08 22:47:38 2003 +0200
+++ b/src/lib-index/mail-index.h	Wed Jan 08 22:48:04 2003 +0200
@@ -497,8 +497,9 @@
 int mail_index_compress_data(struct mail_index *index);
 int mail_index_truncate(struct mail_index *index);
 
-/* Maximum allowed UID number. */
-#define MAX_ALLOWED_UID 4294967295U /* 2^32 - 1 */
+/* Maximum allowed UID number. Reserve UINT_MAX for "invalid uid",
+   used by at least THREAD extension. */
+#define MAX_ALLOWED_UID 4294967294U /* 2^32 - 2 */
 
 /* Max. mmap()ed size for a message */
 #define MAIL_MMAP_BLOCK_SIZE (1024*256)