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Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
222 lines
6.6 KiB
C
222 lines
6.6 KiB
C
/* $NetBSD: strsuftoll.c,v 1.6 2004/03/05 05:58:29 lukem Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2001-2002,2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Keith Muller of the University of California, San Diego and Lance
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* Visser of Convex Computer Corporation.
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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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#include <sys/types.h>
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#include <sys/time.h>
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#include <assert.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _LIBC
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# ifdef __weak_alias
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__weak_alias(strsuftoll, _strsuftoll)
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__weak_alias(strsuftollx, _strsuftollx)
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# endif
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#endif /* LIBC */
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/*
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* Convert an expression of the following forms to a (u)int64_t.
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* 1) A positive decimal number.
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* 2) A positive decimal number followed by a b (mult by 512).
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* 3) A positive decimal number followed by a k (mult by 1024).
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* 4) A positive decimal number followed by a m (mult by 1048576).
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* 5) A positive decimal number followed by a g (mult by 1073741824).
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* 6) A positive decimal number followed by a t (mult by 1099511627776).
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* 7) A positive decimal number followed by a w (mult by sizeof int)
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* 8) Two or more positive decimal numbers (with/without k,b or w).
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* separated by x (also * for backwards compatibility), specifying
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* the product of the indicated values.
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* Returns the result upon successful conversion, or exits with an
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* appropriate error.
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*
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*/
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/*
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* As strsuftoll(), but returns the error message into the provided buffer
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* rather than exiting with it.
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*/
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/* LONGLONG */
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long long
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strsuftollx(const char *desc, const char *val,
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long long min, long long max, char *ebuf, size_t ebuflen)
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{
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long long num, t;
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char *expr;
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errno = 0;
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ebuf[0] = '\0';
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while (isspace((unsigned char)*val)) /* Skip leading space */
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val++;
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num = strtoll(val, &expr, 10);
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if (errno == ERANGE)
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goto erange; /* Overflow */
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if (expr == val) /* No digits */
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goto badnum;
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switch (*expr) {
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case 'b':
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t = num;
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num *= 512; /* 1 block */
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if (t > num)
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goto erange;
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++expr;
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break;
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case 'k':
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t = num;
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num *= 1024; /* 1 kilobyte */
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if (t > num)
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goto erange;
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++expr;
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break;
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case 'm':
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t = num;
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num *= 1048576; /* 1 megabyte */
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if (t > num)
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goto erange;
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++expr;
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break;
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case 'g':
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t = num;
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num *= 1073741824; /* 1 gigabyte */
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if (t > num)
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goto erange;
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++expr;
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break;
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case 't':
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t = num;
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num *= 1099511627776LL; /* 1 terabyte */
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if (t > num)
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goto erange;
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++expr;
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break;
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case 'w':
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t = num;
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num *= sizeof(int); /* 1 word */
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if (t > num)
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goto erange;
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++expr;
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break;
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}
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switch (*expr) {
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case '\0':
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break;
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case '*': /* Backward compatible */
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case 'x':
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t = num;
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num *= strsuftollx(desc, expr + 1, min, max, ebuf, ebuflen);
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if (*ebuf != '\0')
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return (0);
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if (t > num) {
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erange:
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snprintf(ebuf, ebuflen,
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"%s: %s", desc, strerror(ERANGE));
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return (0);
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}
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break;
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default:
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badnum: snprintf(ebuf, ebuflen,
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"%s `%s': illegal number", desc, val);
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return (0);
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}
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if (num < min) {
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/* LONGLONG */
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snprintf(ebuf, ebuflen, "%s %lld is less than %lld.",
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desc, (long long)num, (long long)min);
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return (0);
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}
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if (num > max) {
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/* LONGLONG */
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snprintf(ebuf, ebuflen,
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"%s %lld is greater than %lld.",
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desc, (long long)num, (long long)max);
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return (0);
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}
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*ebuf = '\0';
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return (num);
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}
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/* LONGLONG */
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long long
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strsuftoll(const char *desc, const char *val,
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long long min, long long max)
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{
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long long result;
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char errbuf[100];
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result = strsuftollx(desc, val, min, max, errbuf, sizeof(errbuf));
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if (*errbuf != '\0')
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errx(1, "%s", errbuf);
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return (result);
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}
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