From 9e3b3c9bac63fba8396d788ac93197f82e392a8d Mon Sep 17 00:00:00 2001 From: Alex Henrie Date: Thu, 27 Jul 2017 02:26:23 -0600 Subject: [PATCH] msvcrt: Set errno in _logb(f) if x is 0. Signed-off-by: Alex Henrie Signed-off-by: Piotr Caban Signed-off-by: Alexandre Julliard --- dlls/msvcrt/math.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c index 1d61396e59f..2433376427d 100644 --- a/dlls/msvcrt/math.c +++ b/dlls/msvcrt/math.c @@ -142,6 +142,7 @@ INT CDECL MSVCRT__isnanf( float num ) float CDECL MSVCRT__logbf( float num ) { if (!finitef(num)) *MSVCRT__errno() = MSVCRT_EDOM; + else if (!num) *MSVCRT__errno() = MSVCRT_ERANGE; return logbf(num); } @@ -789,6 +790,7 @@ __int64 CDECL _abs64( __int64 n ) double CDECL MSVCRT__logb(double num) { if (!isfinite(num)) *MSVCRT__errno() = MSVCRT_EDOM; + else if (!num) *MSVCRT__errno() = MSVCRT_ERANGE; return logb(num); }