blob: 33250e3a908771c5a4ca1b58f95c56a17499e13e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
* SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <config.h>
#ident "$Id: getlong.c 2763 2009-04-23 09:57:03Z nekral-guest $"
#include <stdlib.h>
#include <errno.h>
#include "prototypes.h"
/*
* getulong - extract an unsigned long integer provided by the numstr string in *result
*
* It supports decimal, hexadecimal or octal representations.
*
* Returns 0 on failure, 1 on success.
*/
int getulong (const char *numstr, /*@out@*/unsigned long int *result)
{
unsigned long int val;
char *endptr;
errno = 0;
val = strtoul (numstr, &endptr, 0);
if ( ('\0' == *numstr)
|| ('\0' != *endptr)
|| (ERANGE == errno)
) {
return 0;
}
*result = val;
return 1;
}
|
