qdist: return "(empty)" instead of NULL when printing an empty dist
authorEmilio G. Cota <cota@braap.org>
Mon, 25 Jul 2016 15:03:45 +0000 (11:03 -0400)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 3 Aug 2016 16:44:56 +0000 (18:44 +0200)
commit11b7b07f8a15879134a54e73fade98d5e11e04f8
treef3ca6774ea7b23a2fb01ed45874d4f375fb10da4
parent071d4054770205ddb8a58a9e2735069d8fe52af1
qdist: return "(empty)" instead of NULL when printing an empty dist

Printf'ing a NULL string is undefined behaviour. Avoid it.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <1469459025-23606-4-git-send-email-cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
tests/test-qdist.c
util/qdist.c