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