Add --no-warn.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/xz/main.c b/src/xz/main.c
index 0afd9ff7..8a6cde63 100644
--- a/src/xz/main.c
+++ b/src/xz/main.c
@@ -17,6 +17,10 @@
 /// Exit status to use. This can be changed with set_exit_status().
 static enum exit_status_type exit_status = E_SUCCESS;
 
+/// True if --no-warn is specified. When this is true, we don't set
+/// the exit status to E_WARNING when something worth a warning happens.
+static bool no_warn = false;
+
 
 extern void
 set_exit_status(enum exit_status_type new_status)
@@ -31,6 +35,14 @@ set_exit_status(enum exit_status_type new_status)
 
 
 extern void
+set_exit_no_warn(void)
+{
+	no_warn = true;
+	return;
+}
+
+
+extern void
 my_exit(enum exit_status_type status)
 {
 	// Close stdout. If something goes wrong, print an error message
@@ -59,6 +71,11 @@ my_exit(enum exit_status_type status)
 			status = E_ERROR;
 	}
 
+	// Suppress the exit status indicating a warning if --no-warn
+	// was specified.
+	if (status == E_WARNING && no_warn)
+		status = E_SUCCESS;
+
 	// If we have got a signal, raise it to kill the program.
 	// Otherwise we just call exit().
 	signals_exit();