1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/* 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.
*/
/* Provides extern declarations of functions */
#define DECLARE_STR_CONV(type, T, UT) \
\
unsigned type xstrto##UT##_range_sfx(const char *str, int b, unsigned type l, unsigned type u, const struct suffix_mult *sfx); \
unsigned type xstrto##UT##_range(const char *str, int b, unsigned type l, unsigned type u); \
unsigned type xstrto##UT##_sfx(const char *str, int b, const struct suffix_mult *sfx); \
unsigned type xstrto##UT(const char *str, int b); \
unsigned type xato##UT##_range_sfx(const char *str, unsigned type l, unsigned type u, const struct suffix_mult *sfx); \
unsigned type xato##UT##_range(const char *str, unsigned type l, unsigned type u); \
unsigned type xato##UT##_sfx(const char *str, const struct suffix_mult *sfx); \
unsigned type xato##UT(const char *str); \
type xstrto##T##_range_sfx(const char *str, int b, type l, type u, const struct suffix_mult *sfx) ;\
type xstrto##T##_range(const char *str, int b, type l, type u); \
type xato##T##_range_sfx(const char *str, type l, type u, const struct suffix_mult *sfx); \
type xato##T##_range(const char *str, type l, type u); \
type xato##T##_sfx(const char *str, const struct suffix_mult *sfx); \
type xato##T(const char *str); \
/* Unsigned long long functions always exist */
DECLARE_STR_CONV(long long, ll, ull)
/* Provides extern inline definitions of functions */
/* (useful for mapping them to the type of the same width) */
#define DEFINE_EQUIV_STR_CONV(narrow, N, W, UN, UW) \
\
extern inline \
unsigned narrow xstrto##UN##_range_sfx(const char *str, int b, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \
{ return xstrto##UW##_range_sfx(str, b, l, u, sfx); } \
extern inline \
unsigned narrow xstrto##UN##_range(const char *str, int b, unsigned narrow l, unsigned narrow u) \
{ return xstrto##UW##_range(str, b, l, u); } \
extern inline \
unsigned narrow xstrto##UN##_sfx(const char *str, int b, const struct suffix_mult *sfx) \
{ return xstrto##UW##_sfx(str, b, sfx); } \
extern inline \
unsigned narrow xstrto##UN(const char *str, int b) \
{ return xstrto##UW(str, b); } \
extern inline \
unsigned narrow xato##UN##_range_sfx(const char *str, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \
{ return xato##UW##_range_sfx(str, l, u, sfx); } \
extern inline \
unsigned narrow xato##UN##_range(const char *str, unsigned narrow l, unsigned narrow u) \
{ return xato##UW##_range(str, l, u); } \
extern inline \
unsigned narrow xato##UN##_sfx(const char *str, const struct suffix_mult *sfx) \
{ return xato##UW##_sfx(str, sfx); } \
extern inline \
unsigned narrow xato##UN(const char *str) \
{ return xato##UW(str); } \
extern inline \
narrow xstrto##N##_range_sfx(const char *str, int b, narrow l, narrow u, const struct suffix_mult *sfx) \
{ return xstrto##W##_range_sfx(str, b, l, u, sfx); } \
extern inline \
narrow xstrto##N##_range(const char *str, int b, narrow l, narrow u) \
{ return xstrto##W##_range(str, b, l, u); } \
extern inline \
narrow xato##N##_range_sfx(const char *str, narrow l, narrow u, const struct suffix_mult *sfx) \
{ return xato##W##_range_sfx(str, l, u, sfx); } \
extern inline \
narrow xato##N##_range(const char *str, narrow l, narrow u) \
{ return xato##W##_range(str, l, u); } \
extern inline \
narrow xato##N##_sfx(const char *str, const struct suffix_mult *sfx) \
{ return xato##W##_sfx(str, sfx); } \
extern inline \
narrow xato##N(const char *str) \
{ return xato##W(str); } \
/* If long == long long, then just map them one-to-one */
#if ULONG_MAX == ULLONG_MAX
DEFINE_EQUIV_STR_CONV(long, l, ll, ul, ull)
#else
/* Else provide extern defs */
DECLARE_STR_CONV(long, l, ul)
#endif
/* Same for int -> [long] long */
#if UINT_MAX == ULLONG_MAX
DEFINE_EQUIV_STR_CONV(int, i, ll, u, ull)
#elif UINT_MAX == ULONG_MAX
DEFINE_EQUIV_STR_CONV(int, i, l, u, ul)
#else
DECLARE_STR_CONV(int, i, u)
#endif
/* Specialized */
int BUG_xatou32_unimplemented(void);
extern inline uint32_t xatou32(const char *numstr)
{
if (UINT_MAX == 0xffffffff)
return xatou(numstr);
if (ULONG_MAX == 0xffffffff)
return xatoul(numstr);
return BUG_xatou32_unimplemented();
}
/* Non-aborting kind of convertors */
unsigned long long bb_strtoull(const char *arg, char **endp, int base);
long long bb_strtoll(const char *arg, char **endp, int base);
#if ULONG_MAX == ULLONG_MAX
extern inline
unsigned long bb_strtoul(const char *arg, char **endp, int base)
{ return bb_strtoull(arg, endp, base); }
extern inline
unsigned long bb_strtol(const char *arg, char **endp, int base)
{ return bb_strtoll(arg, endp, base); }
#else
unsigned long bb_strtoul(const char *arg, char **endp, int base);
long bb_strtol(const char *arg, char **endp, int base);
#endif
#if UINT_MAX == ULLONG_MAX
extern inline
unsigned long bb_strtou(const char *arg, char **endp, int base)
{ return bb_strtoull(arg, endp, base); }
extern inline
unsigned long bb_strtoi(const char *arg, char **endp, int base)
{ return bb_strtoll(arg, endp, base); }
#elif UINT_MAX == ULONG_MAX
extern inline
unsigned long bb_strtou(const char *arg, char **endp, int base)
{ return bb_strtoul(arg, endp, base); }
extern inline
unsigned long bb_strtoi(const char *arg, char **endp, int base)
{ return bb_strtol(arg, endp, base); }
#else
unsigned long bb_strtou(const char *arg, char **endp, int base);
long bb_strtoi(const char *arg, char **endp, int base);
#endif
int BUG_bb_strtou32_unimplemented(void);
extern inline
uint32_t bb_strtou32(const char *arg, char **endp, int base)
{
if (sizeof(uint32_t) == sizeof(unsigned))
return bb_strtou(arg, endp, base);
if (sizeof(uint32_t) == sizeof(unsigned long))
return bb_strtoul(arg, endp, base);
return BUG_bb_strtou32_unimplemented();
}
/* Floating point */
/* double bb_strtod(const char *arg, char **endp); */
|
