From c2bd5f098c4f136659018a467d30189cc2488066 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 23 Jun 1999 12:40:47 +0000 Subject: [PATCH] Define NDIGIT_MAX. (fcvt_r): Limit precision in snprintf call to NDIGIT_MAX. --- misc/efgcvt_r.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c index 1c237eed4a9..167bd7a8094 100644 --- a/misc/efgcvt_r.c +++ b/misc/efgcvt_r.c @@ -1,5 +1,5 @@ /* Compatibility functions for floating point formatting, reentrant versions. - Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -26,10 +26,11 @@ #include #ifndef FLOAT_TYPE -#define FLOAT_TYPE double -#define FUNC_PREFIX -#define FLOAT_FMT_FLAG -#define FLOAT_NAME_EXT +# define FLOAT_TYPE double +# define FUNC_PREFIX +# define FLOAT_FMT_FLAG +# define FLOAT_NAME_EXT +# define NDIGIT_MAX DBL_DIG #endif #define APPEND(a, b) APPEND2 (a, b) @@ -87,7 +88,8 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len) /* Value is Inf or NaN. */ *sign = 0; - n = __snprintf (buf, len, "%.*" FLOAT_FMT_FLAG "f", ndigit, value); + n = __snprintf (buf, len, "%.*" FLOAT_FMT_FLAG "f", MIN (ndigit, NDIGIT_MAX), + value); if (n < 0) return -1; -- 2.47.3