hush/libbb/xatonum.c

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/* 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.
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*/
#include "libbb.h"
#define type long
#define xstrtou xstrtoul
#define xstrto xstrtol
#define xatou xatoul
#define xato xatol
#define xstrtou_(rest) xstrtoul_##rest
#define xstrto_(rest) xstrtol_##rest
#define xatou_(rest) xatoul_##rest
#define xato_(rest) xatol_##rest
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#define XSTR_UTYPE_MAX ULONG_MAX
#define XSTR_TYPE_MAX LONG_MAX
#define XSTR_TYPE_MIN LONG_MIN
#define XSTR_STRTOU strtoul
#include "xatonum.tmplt.c"
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#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;
}
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#define type int
#define xstrtou xstrtou
#define xstrto xstrtoi
#define xatou xatou
#define xato xatoi
#define xstrtou_(rest) xstrtou_##rest
#define xstrto_(rest) xstrtoi_##rest
#define xatou_(rest) xatou_##rest
#define xato_(rest) xatoi_##rest
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#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.tmplt.c"
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#endif
/* A few special cases */
int FAST_FUNC xatoi_positive(const char *numstr)
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{
return xatou_range(numstr, 0, INT_MAX);
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}
uint16_t FAST_FUNC xatou16(const char *numstr)
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{
return xatou_range(numstr, 0, 0xffff);
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}
const struct suffix_mult bkm_suffixes[] = {
{ "b", 512 },
{ "k", 1024 },
{ "m", 1024*1024 },
{ "", 0 }
};