X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrtod.c;h=161f97a7b1894e074e6e7452a8332f63929ed9ea;hb=f53990f35803666791f4163e0f9d206bd8c4690e;hp=69c57a4df17f1dc7c3b3115fb038991bffe02d03;hpb=e04aaa3da60b161906ebd48b6788a98c7557b758;p=gnulib.git diff --git a/lib/strtod.c b/lib/strtod.c index 69c57a4df..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 @@ -24,31 +24,27 @@ extern int errno; #endif #include -#include -#if 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 -# include -# include -#else -# define NULL 0 -# ifndef HUGE_VAL -# define HUGE_VAL HUGE -# endif -#endif +#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 /* 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; @@ -71,7 +67,7 @@ strtod (nptr, endptr) s = nptr; /* Eat whitespace. */ - while (isspace (*s)) + while (ISSPACE (*s)) ++s; /* Get the sign. */ @@ -85,7 +81,7 @@ strtod (nptr, endptr) exponent = 0; for (;; ++s) { - if (isdigit (*s)) + if (ISDIGIT (*s)) { got_digit = 1; @@ -118,7 +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;