From d067298e83c468f75ca94fe2fba6dd9b284c8220 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 25 Apr 2009 17:31:53 +0000 Subject: [PATCH] (round_and_return): We have to set errno to ERANGE for underflows. --- stdlib/strtod_l.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c index 09a8f9bb3b..9ddfa3fa66 100644 --- a/stdlib/strtod_l.c +++ b/stdlib/strtod_l.c @@ -1,5 +1,5 @@ /* Convert string representing a number to float value, using given locale. - Copyright (C) 1997,1998,2002,2004,2005,2006,2007,2008 + Copyright (C) 1997,1998,2002,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1997. @@ -232,6 +232,7 @@ round_and_return (mp_limb_t *retval, int exponent, int negative, # define DENORM_EXP (MIN_EXP - 2) #endif exponent = DENORM_EXP; + __set_errno (ERANGE); } if ((round_limb & (((mp_limb_t) 1) << round_bit)) != 0 -- 2.11.4.GIT