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	/* 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	static ALWAYS_INLINE
38	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	int FAST_FUNC xatoi_u(const char *numstr)
63	{
64	return xatou_range(numstr, 0, INT_MAX);
65	}
66
67	uint16_t FAST_FUNC xatou16(const char *numstr)
68	{
69	return xatou_range(numstr, 0, 0xffff);
70	}