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98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/* $NetBSD: _strtoi.h,v 1.1 2015/01/22 02:15:59 christos Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Original version ID:
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* NetBSD: src/lib/libc/locale/_wcstoul.h,v 1.2 2003/08/07 16:43:03 agc Exp
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*
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* Created by Kamil Rytarowski, based on ID:
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* NetBSD: src/common/lib/libc/stdlib/_strtoul.h,v 1.7 2013/05/17 12:55:56 joerg Exp
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*/
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#ifndef _STRTOI_H
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#define _STRTOI_H
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/*
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* function template for strtoi and strtou
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*
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* parameters:
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* _FUNCNAME : function name
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* __TYPE : return and range limits type
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* __WRAPPED : wrapped function, strtoimax or strtoumax
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*/
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__TYPE
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_FUNCNAME(const char * __restrict nptr, char ** __restrict endptr, int base,
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__TYPE lo, __TYPE hi, int * rstatus)
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{
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int serrno;
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__TYPE im;
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char *ep;
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int rep;
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/* endptr may be NULL */
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if (endptr == NULL)
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endptr = &ep;
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if (rstatus == NULL)
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rstatus = &rep;
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serrno = errno;
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errno = 0;
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im = __WRAPPED(nptr, endptr, base);
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*rstatus = errno;
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errno = serrno;
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if (*rstatus == 0) {
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/* No digits were found */
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if (nptr == *endptr)
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*rstatus = ECANCELED;
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/* There are further characters after number */
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else if (**endptr != '\0')
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*rstatus = ENOTSUP;
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}
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if (im < lo) {
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if (*rstatus == 0)
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*rstatus = ERANGE;
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return lo;
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}
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if (im > hi) {
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if (*rstatus == 0)
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*rstatus = ERANGE;
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return hi;
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}
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return im;
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}
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#endif
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