X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxstrtod.c;h=7caa615ddf73f2df216741f79e7076964e4ca898;hb=cd56634a4a8179fd5a4419fbb3e27211b042ab1c;hp=4b5bcc9c58f941e1aa4ab7747f06942963b3f132;hpb=a62be9f4039b4499cfbb76e394cad2259d03fa84;p=gnulib.git diff --git a/lib/xstrtod.c b/lib/xstrtod.c index 4b5bcc9c5..7caa615dd 100644 --- a/lib/xstrtod.c +++ b/lib/xstrtod.c @@ -1,11 +1,12 @@ /* error-checking interface to strtod-like functions - Copyright (C) 1996, 1999, 2000, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1996, 1999-2000, 2003-2006, 2009-2014 Free Software + Foundation, Inc. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -13,14 +14,11 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ /* Written by Jim Meyering. */ -#ifdef HAVE_CONFIG_H -# include -#endif +#include #include "xstrtod.h" @@ -28,22 +26,26 @@ #include #include -/* Tell the compiler that non-default rounding modes are used. */ -#if 199901 <= __STDC_VERSION__ - #pragma STDC FENV_ACCESS ON +#if LONG +# define XSTRTOD xstrtold +# define DOUBLE long double +#else +# define XSTRTOD xstrtod +# define DOUBLE double #endif -/* An interface to strtod that encapsulates all the error checking - one should usually perform. Like strtod, but upon successful +/* An interface to a string-to-floating-point conversion function that + encapsulates all the error checking one should usually perform. + Like strtod/strtold, but upon successful conversion put the result in *RESULT and return true. Return false and don't modify *RESULT upon any failure. CONVERT specifies the conversion function, e.g., strtod itself. */ bool -xstrtod (char const *str, char const **ptr, double *result, - double (*convert) (char const *, char **)) +XSTRTOD (char const *str, char const **ptr, DOUBLE *result, + DOUBLE (*convert) (char const *, char **)) { - double val; + DOUBLE val; char *terminator; bool ok = true; @@ -55,10 +57,10 @@ xstrtod (char const *str, char const **ptr, double *result, ok = false; else { - /* Allow underflow (in which case strtod returns zero), - but flag overflow as an error. */ - if (val != 0.0 && errno == ERANGE) - ok = false; + /* Allow underflow (in which case CONVERT returns zero), + but flag overflow as an error. */ + if (val != 0 && errno == ERANGE) + ok = false; } if (ptr != NULL)