busybox

/* vi: set sw=4 ts=4: */

/*

 * ascii-to-numbers implementations for busybox

 *

 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>

 *

 * Licensed under GPLv2, see file LICENSE in this source tree.

 */

#include "libbb.h"

​

#define type long long

#define xstrtou(rest) xstrtoull##rest

#define xstrto(rest) xstrtoll##rest

#define xatou(rest) xatoull##rest

#define xato(rest) xatoll##rest

#define XSTR_UTYPE_MAX ULLONG_MAX

#define XSTR_TYPE_MAX LLONG_MAX

#define XSTR_TYPE_MIN LLONG_MIN

#define XSTR_STRTOU strtoull

#include "xatonum_template.c"

​

#if ULONG_MAX != ULLONG_MAX

#define type long

#define xstrtou(rest) xstrtoul##rest

#define xstrto(rest) xstrtol##rest

#define xatou(rest) xatoul##rest

#define xato(rest) xatol##rest

#define XSTR_UTYPE_MAX ULONG_MAX

#define XSTR_TYPE_MAX LONG_MAX

#define XSTR_TYPE_MIN LONG_MIN

#define XSTR_STRTOU strtoul

#include "xatonum_template.c"

#endif

​

#if UINT_MAX != ULONG_MAX

static ALWAYS_INLINE

unsigned bb_strtoui(const char *str, char **end, int b)

{

    unsigned long v = strtoul(str, end, b);

    if (v > UINT_MAX) {

        errno = ERANGE;

        return UINT_MAX;

    }

    return v;

}

#define type int

#define xstrtou(rest) xstrtou##rest

#define xstrto(rest) xstrtoi##rest

#define xatou(rest) xatou##rest

#define xato(rest) xatoi##rest

#define XSTR_UTYPE_MAX UINT_MAX

#define XSTR_TYPE_MAX INT_MAX

#define XSTR_TYPE_MIN INT_MIN

/* libc has no strtoui, so we need to create/use our own */

#define XSTR_STRTOU bb_strtoui

#include "xatonum_template.c"

#endif

​

/* A few special cases */

​

int FAST_FUNC xatoi_positive(const char *numstr)

{

    return xatou_range(numstr, 0, INT_MAX);

}

​

uint16_t FAST_FUNC xatou16(const char *numstr)

{

    return xatou_range(numstr, 0, 0xffff);

}

​

const struct suffix_mult bkm_suffixes[] = {

    { "b", 512 },

    { "k", 1024 },

    { "m", 1024*1024 },

    { "", 0 }

};

​

const struct suffix_mult cwbkMG_suffixes[] = {

    { "c", 1 },

    { "w", 2 },

    { "b", 512 },

    { "kB", 1000 },

    { "kD", 1000 },

    { "k", 1024 },

    { "KB", 1000 }, /* compat with coreutils dd */

    { "KD", 1000 }, /* compat with coreutils dd */

    { "K", 1024 },  /* compat with coreutils dd */

    { "MB", 1000000 },

    { "MD", 1000000 },

    { "M", 1024*1024 },

    { "GB", 1000000000 },

    { "GD", 1000000000 },