X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrtod.c;h=161f97a7b1894e074e6e7452a8332f63929ed9ea;hb=f239ee68d0f2d53e88890049e3f13c971b6ad8f9;hp=2f6b894cfa7b842445575765cd6bc58e0fdfa128;hpb=cfbada19810991d0031d4546df8a829db9bdf01d;p=gnulib.git diff --git a/lib/strtod.c b/lib/strtod.c index 2f6b894cf..161f97a7b 100644 --- a/lib/strtod.c +++ b/lib/strtod.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1997, 1999, 2003 Free Software Foundation, Inc. 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 @@ -11,41 +11,40 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifdef HAVE_CONFIG_H -#include +#if HAVE_CONFIG_H +# include #endif #include +#ifndef errno +extern int errno; +#endif + #include -#include -#ifdef HAVE_FLOAT_H -#include +#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII)) +# define IN_CTYPE_DOMAIN(c) 1 #else -#define DBL_MAX 1.7976931348623159e+308 -#define DBL_MIN 2.2250738585072010e-308 +# define IN_CTYPE_DOMAIN(c) isascii(c) #endif -#if STDC_HEADERS +#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c)) +#define ISDIGIT(c) (IN_CTYPE_DOMAIN (c) && isdigit (c)) +#define TOLOWER(c) (IN_CTYPE_DOMAIN (c) ? tolower(c) : (c)) + +#include + +#include #include #include -#else -#define NULL 0 -extern int errno; -#ifndef HUGE_VAL -#define HUGE_VAL HUGE -#endif -#endif /* Convert NPTR to a double. If ENDPTR is not NULL, a pointer to the character after the last one used in the number is put in *ENDPTR. */ double -strtod (nptr, endptr) - const char *nptr; - char **endptr; +strtod (const char *nptr, char **endptr) { register const char *s; short int sign; @@ -68,7 +67,7 @@ strtod (nptr, endptr) s = nptr; /* Eat whitespace. */ - while (isspace (*s)) + while (ISSPACE (*s)) ++s; /* Get the sign. */ @@ -82,7 +81,7 @@ strtod (nptr, endptr) exponent = 0; for (;; ++s) { - if (isdigit (*s)) + if (ISDIGIT (*s)) { got_digit = 1; @@ -115,7 +114,7 @@ strtod (nptr, endptr) if (!got_digit) goto noconv; - if (tolower (*s) == 'e') + if (TOLOWER (*s) == 'e') { /* Get the exponent specified after the `e' or `E'. */ int save = errno;