freebsd-nq/contrib/blacklist/port/_strtoi.h
Kurt Lidl 12017ca883 Import NetBSD's blacklist source from vendor tree
This import includes The basic blacklist library and utility programs,
to add a system-wide packet filtering notification mechanism to
FreeBSD.

The rational behind the daemon was given by Christos Zoulas in a
presentation at vBSDcon 2015: https://youtu.be/fuuf8G28mjs

Reviewed by:	rpaulo
Approved by:	rpaulo
Obtained from:	NetBSD
Relnotes:	YES
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D5912
2016-06-01 22:04:10 +00:00

94 lines
2.8 KiB
C

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