2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include "lint.h"
2N/A#include <errno.h>
2N/A#include <stdio.h>
2N/A#include <values.h>
2N/A#include <floatingpoint.h>
2N/A#include <stdlib.h>
2N/A#include <sys/types.h>
2N/A#include "libc.h"
2N/A#include "xpg6.h"
2N/A
2N/Adouble
2N/Astrtod(const char *cp, char **ptr)
2N/A{
2N/A double x;
2N/A decimal_mode mr;
2N/A decimal_record dr;
2N/A fp_exception_field_type fs;
2N/A enum decimal_string_form form;
2N/A char *pechar;
2N/A int lc;
2N/A
2N/A lc = (__xpg6 & _C99SUSv3_recognize_hexfp)? -1 : 0;
2N/A string_to_decimal((char **)&cp, MAXINT, lc, &dr, &form, &pechar);
2N/A if (ptr != NULL)
2N/A *ptr = (char *)cp;
2N/A if (form == invalid_form)
2N/A return (0.0); /* Shameful kluge for SVID's sake. */
2N/A#if defined(__sparc)
2N/A mr.rd = _QgetRD();
2N/A#elif defined(__i386) || defined(__amd64)
2N/A mr.rd = __xgetRD();
2N/A#else
2N/A#error Unknown architecture
2N/A#endif
2N/A if ((int)form < 0)
2N/A __hex_to_double(&dr, mr.rd, &x, &fs);
2N/A else
2N/A decimal_to_double(&x, &mr, &dr, &fs);
2N/A if (fs & ((1 << fp_overflow) | (1 << fp_underflow)))
2N/A errno = ERANGE;
2N/A return (x);
2N/A}
2N/A
2N/Afloat
2N/Astrtof(const char *cp, char **ptr)
2N/A{
2N/A float x;
2N/A decimal_mode mr;
2N/A decimal_record dr;
2N/A fp_exception_field_type fs;
2N/A enum decimal_string_form form;
2N/A char *pechar;
2N/A
2N/A string_to_decimal((char **)&cp, MAXINT, -1, &dr, &form, &pechar);
2N/A if (ptr != NULL)
2N/A *ptr = (char *)cp;
2N/A if (form == invalid_form)
2N/A return (0.0f);
2N/A#if defined(__sparc)
2N/A mr.rd = _QgetRD();
2N/A#elif defined(__i386) || defined(__amd64)
2N/A mr.rd = __xgetRD();
2N/A#else
2N/A#error Unknown architecture
2N/A#endif
2N/A if ((int)form < 0)
2N/A __hex_to_single(&dr, mr.rd, &x, &fs);
2N/A else
2N/A decimal_to_single(&x, &mr, &dr, &fs);
2N/A if (fs & ((1 << fp_overflow) | (1 << fp_underflow)))
2N/A errno = ERANGE;
2N/A return (x);
2N/A}
2N/A
2N/Along double
2N/Astrtold(const char *cp, char **ptr)
2N/A{
2N/A long double x;
2N/A decimal_mode mr;
2N/A decimal_record dr;
2N/A fp_exception_field_type fs;
2N/A enum decimal_string_form form;
2N/A char *pechar;
2N/A
2N/A string_to_decimal((char **)&cp, MAXINT, -1, &dr, &form, &pechar);
2N/A if (ptr != NULL)
2N/A *ptr = (char *)cp;
2N/A if (form == invalid_form)
2N/A return (0.0L);
2N/A#if defined(__sparc)
2N/A mr.rd = _QgetRD();
2N/A if ((int)form < 0)
2N/A __hex_to_quadruple(&dr, mr.rd, &x, &fs);
2N/A else
2N/A decimal_to_quadruple(&x, &mr, &dr, &fs);
2N/A#elif defined(__i386) || defined(__amd64)
2N/A mr.rd = __xgetRD();
2N/A if ((int)form < 0)
2N/A __hex_to_extended(&dr, mr.rd, (extended *)&x, &fs);
2N/A else
2N/A decimal_to_extended((extended *)&x, &mr, &dr, &fs);
2N/A#else
2N/A#error Unknown architecture
2N/A#endif
2N/A if (fs & ((1 << fp_overflow) | (1 << fp_underflow)))
2N/A errno = ERANGE;
2N/A return (x);
2N/A}