1d5a926cc2
Use strtoul to read an unsigned long, rather than reading a signed long long and casting it. https://bugzilla.suse.com/show_bug.cgi?id=979282
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*
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* Copyright (c) 2007 - 2009, Nicolas François
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* 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. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <config.h>
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#ident "$Id: getlong.c 2763 2009-04-23 09:57:03Z nekral-guest $"
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#include <stdlib.h>
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#include <errno.h>
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#include "prototypes.h"
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/*
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* getulong - extract an unsigned long integer provided by the numstr string in *result
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*
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* It supports decimal, hexadecimal or octal representations.
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*
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* Returns 0 on failure, 1 on success.
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*/
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int getulong (const char *numstr, /*@out@*/unsigned long int *result)
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{
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unsigned long int val;
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char *endptr;
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errno = 0;
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val = strtoul (numstr, &endptr, 0);
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if ( ('\0' == *numstr)
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|| ('\0' != *endptr)
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|| (ERANGE == errno)
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) {
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return 0;
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}
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*result = val;
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return 1;
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}
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