From 1492c0432f4b506b7f3e2cca4ee3bd3b6885079f Mon Sep 17 00:00:00 2001 From: thevenyp Date: Thu, 13 Dec 2007 16:58:01 +0000 Subject: Add handle for null size case in mpfr_snprintf git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@5073 280ebfd0-de03-0410-8827-d642c229c3f4 --- printf.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'printf.c') diff --git a/printf.c b/printf.c index 370c8e9b0..4288f0241 100644 --- a/printf.c +++ b/printf.c @@ -145,6 +145,12 @@ mpfr_snprintf (char *buf, size_t size, const char *fmt, ...) { va_list ap; int ret; + + if (size == 0) + return 0; + + MPFR_ASSERTD (buf != NULL); + va_start (ap, fmt); ret = mpfr_vsnprintf (buf, size, fmt, ap); -- cgit v1.2.1