Introduce some error exit codes which are in sync with the ones from

proper rsync. This should help to make the tool behave more like the
real thing.
OK benno@

diff --git a/usr.bin/rsync/extern.h b/usr.bin/rsync/extern.h
index b18213d..f780967 100644 (file)
--- a/usr.bin/rsync/extern.h
+++ b/usr.bin/rsync/extern.h
@@ -1,4 +1,4 @@
-/*     $Id: extern.h,v 1.36 2021/03/31 19:45:16 job Exp $ */
+/*     $Id: extern.h,v 1.37 2021/05/17 11:54:14 claudio Exp $ */
 /*
  * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -41,6 +41,19 @@
 #define        CSUM_LENGTH_PHASE1 (2)
 #define        CSUM_LENGTH_PHASE2 (16)
 
+/*
+ * Rsync error codes.
+ */
+#define ERR_SYNTAX     1
+#define ERR_PROTOCOL   2
+#define ERR_SOCK_IO    10
+#define ERR_FILE_IO    11
+#define ERR_WIREPROTO  12
+#define ERR_IPC                14      /* catchall for any kind of syscall error */
+#define ERR_TERMIMATED 16
+#define ERR_WAITPID    21
+#define ERR_NOMEM      22
+
 /*
  * Use this for --timeout.
  * All poll events will use it and catch time-outs.