mkinitrd-6_2_0/libbb/xatonum.c

/* 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 tarball for details.
 */

#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_u(const char *numstr)
{
	return xatou_range(numstr, 0, INT_MAX);
}

uint16_t FAST_FUNC xatou16(const char *numstr)
{
	return xatou_range(numstr, 0, 0xffff);
}
1	niro	532	/* vi: set sw=4 ts=4: */
2			/*
3			* ascii-to-numbers implementations for busybox
4			*
5			* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
6			*
7			* Licensed under GPLv2, see file LICENSE in this tarball for details.
8			*/
9
10			#include "libbb.h"
11
12			#define type long long
13			#define xstrtou(rest) xstrtoull##rest
14			#define xstrto(rest) xstrtoll##rest
15			#define xatou(rest) xatoull##rest
16			#define xato(rest) xatoll##rest
17			#define XSTR_UTYPE_MAX ULLONG_MAX
18			#define XSTR_TYPE_MAX LLONG_MAX
19			#define XSTR_TYPE_MIN LLONG_MIN
20			#define XSTR_STRTOU strtoull
21			#include "xatonum_template.c"
22
23			#if ULONG_MAX != ULLONG_MAX
24			#define type long
25			#define xstrtou(rest) xstrtoul##rest
26			#define xstrto(rest) xstrtol##rest
27			#define xatou(rest) xatoul##rest
28			#define xato(rest) xatol##rest
29			#define XSTR_UTYPE_MAX ULONG_MAX
30			#define XSTR_TYPE_MAX LONG_MAX
31			#define XSTR_TYPE_MIN LONG_MIN
32			#define XSTR_STRTOU strtoul
33			#include "xatonum_template.c"
34			#endif
35
36			#if UINT_MAX != ULONG_MAX
37	niro	816	static ALWAYS_INLINE
38	niro	532	unsigned bb_strtoui(const char str, char *end, int b)
39			{
40			unsigned long v = strtoul(str, end, b);
41			if (v > UINT_MAX) {
42			errno = ERANGE;
43			return UINT_MAX;
44			}
45			return v;
46			}
47			#define type int
48			#define xstrtou(rest) xstrtou##rest
49			#define xstrto(rest) xstrtoi##rest
50			#define xatou(rest) xatou##rest
51			#define xato(rest) xatoi##rest
52			#define XSTR_UTYPE_MAX UINT_MAX
53			#define XSTR_TYPE_MAX INT_MAX
54			#define XSTR_TYPE_MIN INT_MIN
55			/* libc has no strtoui, so we need to create/use our own */
56			#define XSTR_STRTOU bb_strtoui
57			#include "xatonum_template.c"
58			#endif
59
60			/* A few special cases */
61
62	niro	816	int FAST_FUNC xatoi_u(const char *numstr)
63	niro	532	{
64			return xatou_range(numstr, 0, INT_MAX);
65			}
66
67	niro	816	uint16_t FAST_FUNC xatou16(const char *numstr)
68	niro	532	{
69			return xatou_range(numstr, 0, 0xffff);
70			}