Wraps on the unique id should skip 0

1 files changed, 4 insertions, 0 deletions

diff --git a/common/smtppass.c b/common/smtppass.c
index 4ffb003..a9e8f9d 100644
--- a/common/smtppass.c
+++ b/common/smtppass.c
@@ -575,6 +575,10 @@ static void* thread_main(void* arg)
     plock();
         /* Assign a unique id to the connection */
         ctx->id = g_unique_id++;
+
+        /* We don't care about wraps, but we don't want zero */
+        if(g_unique_id == 0)
+            g_unique_id++;
     punlock();
 
     ctx->client.fd = fd;