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/* $OpenBSD: strtof.c,v 1.1 2008/06/13 21:04:24 landry Exp $ */
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/*
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* Copyright (c) 2008 Landry Breuil
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* All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <errno.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <math.h>
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float
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strtof(const char *s00, char **se)
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{
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double d;
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d = strtod(s00, se);
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if (d > FLT_MAX) {
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errno = ERANGE;
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return (FLT_MAX);
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} else if (d < -FLT_MAX) {
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errno = ERANGE;
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return (-FLT_MAX);
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}
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return ((float) d);
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}
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