Fix BZ 334802. Patch by Mark Wielaard with a few mods to make it apply.
r14794 is related as well.
Also: remove -Wno-format-zero-length from compile options.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14795 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_libcprint.c b/coregrind/m_libcprint.c
index 1325856..3617c03 100644
--- a/coregrind/m_libcprint.c
+++ b/coregrind/m_libcprint.c
@@ -636,6 +636,14 @@
VG_(exit)(1);
}
+void VG_(fmsg_unknown_option) ( const HChar* opt)
+{
+ revert_to_stderr();
+ VG_(message) (Vg_FailMsg, "Unknown option: %s\n", opt);
+ VG_(message) (Vg_FailMsg, "Use --help for more information or consult the user manual.\n");
+ VG_(exit)(1);
+}
+
UInt VG_(umsg) ( const HChar* format, ... )
{
UInt count;