linux/arch/powerpc/boot/stdlib.c
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

43 lines
785 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* stdlib functions
*
* Author: Scott Wood <scottwood@freescale.com>
*
* Copyright (c) 2007 Freescale Semiconductor, Inc.
*/
#include "stdlib.h"
/* Not currently supported: leading whitespace, sign, 0x prefix, zero base */
unsigned long long int strtoull(const char *ptr, char **end, int base)
{
unsigned long long ret = 0;
if (base > 36)
goto out;
while (*ptr) {
int digit;
if (*ptr >= '0' && *ptr <= '9' && *ptr < '0' + base)
digit = *ptr - '0';
else if (*ptr >= 'A' && *ptr < 'A' + base - 10)
digit = *ptr - 'A' + 10;
else if (*ptr >= 'a' && *ptr < 'a' + base - 10)
digit = *ptr - 'a' + 10;
else
break;
ret *= base;
ret += digit;
ptr++;
}
out:
if (end)
*end = (char *)ptr;
return ret;
}