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/*
* Copyright (c) 1995-1994 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*/
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
unsigned long strtoul(const char *p, char **out_p, int base)
{
unsigned long v = 0;
while (isspace(*p))
p++;
if (((base == 16) || (base == 0)) &&
((*p == '0') && ((p[1] == 'x') || (p[1] == 'X'))))
{
p += 2;
base = 16;
}
if (base == 0)
{
if (*p == '0')
base = 8;
else
base = 10;
}
while (1)
{
char c = *p;
if ((c >= '0') && (c <= '9') && (c - '0' < base))
v = (v * base) + (c - '0');
else if ((c >= 'a') && (c <= 'z') && (c - 'a' + 10 < base))
v = (v * base) + (c - 'a' + 10);
else if ((c >= 'A') && (c <= 'Z') && (c - 'A' + 10 < base))
v = (v * base) + (c - 'A' + 10);
else
break;
p++;
}
if (out_p) *out_p = (char*)p;
return v;
}
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