[Xen-devel] [PATCH] xl: Die on unknown options

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

def_getopt would print a message to stderr, but blunder on anyway.

Sadly this is probably not a backport candidate.

Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index ea43761..de28593 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -2759,6 +2759,7 @@ static int def_getopt(int argc, char * const argv[],
             exit(0);
         }
         fprintf(stderr, "option `%c' not supported.\n", optopt);
+        exit(2);
     }
     if (opt == 'h') {
         help(helpstr);
-- 
1.7.10.4


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