Contents of /trunk/mkinitrd-magellan/busybox/include/xatonum.h
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
File MIME type: text/plain
File size: 6298 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
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 | /* Provides extern declarations of functions */ |
11 | #define DECLARE_STR_CONV(type, T, UT) \ |
12 | \ |
13 | unsigned type xstrto##UT##_range_sfx(const char *str, int b, unsigned type l, unsigned type u, const struct suffix_mult *sfx); \ |
14 | unsigned type xstrto##UT##_range(const char *str, int b, unsigned type l, unsigned type u); \ |
15 | unsigned type xstrto##UT##_sfx(const char *str, int b, const struct suffix_mult *sfx); \ |
16 | unsigned type xstrto##UT(const char *str, int b); \ |
17 | unsigned type xato##UT##_range_sfx(const char *str, unsigned type l, unsigned type u, const struct suffix_mult *sfx); \ |
18 | unsigned type xato##UT##_range(const char *str, unsigned type l, unsigned type u); \ |
19 | unsigned type xato##UT##_sfx(const char *str, const struct suffix_mult *sfx); \ |
20 | unsigned type xato##UT(const char *str); \ |
21 | type xstrto##T##_range_sfx(const char *str, int b, type l, type u, const struct suffix_mult *sfx) ;\ |
22 | type xstrto##T##_range(const char *str, int b, type l, type u); \ |
23 | type xato##T##_range_sfx(const char *str, type l, type u, const struct suffix_mult *sfx); \ |
24 | type xato##T##_range(const char *str, type l, type u); \ |
25 | type xato##T##_sfx(const char *str, const struct suffix_mult *sfx); \ |
26 | type xato##T(const char *str); \ |
27 | |
28 | /* Unsigned long long functions always exist */ |
29 | DECLARE_STR_CONV(long long, ll, ull) |
30 | |
31 | |
32 | /* Provides inline definitions of functions */ |
33 | /* (useful for mapping them to the type of the same width) */ |
34 | #define DEFINE_EQUIV_STR_CONV(narrow, N, W, UN, UW) \ |
35 | \ |
36 | static ATTRIBUTE_ALWAYS_INLINE \ |
37 | unsigned narrow xstrto##UN##_range_sfx(const char *str, int b, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \ |
38 | { return xstrto##UW##_range_sfx(str, b, l, u, sfx); } \ |
39 | static ATTRIBUTE_ALWAYS_INLINE \ |
40 | unsigned narrow xstrto##UN##_range(const char *str, int b, unsigned narrow l, unsigned narrow u) \ |
41 | { return xstrto##UW##_range(str, b, l, u); } \ |
42 | static ATTRIBUTE_ALWAYS_INLINE \ |
43 | unsigned narrow xstrto##UN##_sfx(const char *str, int b, const struct suffix_mult *sfx) \ |
44 | { return xstrto##UW##_sfx(str, b, sfx); } \ |
45 | static ATTRIBUTE_ALWAYS_INLINE \ |
46 | unsigned narrow xstrto##UN(const char *str, int b) \ |
47 | { return xstrto##UW(str, b); } \ |
48 | static ATTRIBUTE_ALWAYS_INLINE \ |
49 | unsigned narrow xato##UN##_range_sfx(const char *str, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \ |
50 | { return xato##UW##_range_sfx(str, l, u, sfx); } \ |
51 | static ATTRIBUTE_ALWAYS_INLINE \ |
52 | unsigned narrow xato##UN##_range(const char *str, unsigned narrow l, unsigned narrow u) \ |
53 | { return xato##UW##_range(str, l, u); } \ |
54 | static ATTRIBUTE_ALWAYS_INLINE \ |
55 | unsigned narrow xato##UN##_sfx(const char *str, const struct suffix_mult *sfx) \ |
56 | { return xato##UW##_sfx(str, sfx); } \ |
57 | static ATTRIBUTE_ALWAYS_INLINE \ |
58 | unsigned narrow xato##UN(const char *str) \ |
59 | { return xato##UW(str); } \ |
60 | static ATTRIBUTE_ALWAYS_INLINE \ |
61 | narrow xstrto##N##_range_sfx(const char *str, int b, narrow l, narrow u, const struct suffix_mult *sfx) \ |
62 | { return xstrto##W##_range_sfx(str, b, l, u, sfx); } \ |
63 | static ATTRIBUTE_ALWAYS_INLINE \ |
64 | narrow xstrto##N##_range(const char *str, int b, narrow l, narrow u) \ |
65 | { return xstrto##W##_range(str, b, l, u); } \ |
66 | static ATTRIBUTE_ALWAYS_INLINE \ |
67 | narrow xato##N##_range_sfx(const char *str, narrow l, narrow u, const struct suffix_mult *sfx) \ |
68 | { return xato##W##_range_sfx(str, l, u, sfx); } \ |
69 | static ATTRIBUTE_ALWAYS_INLINE \ |
70 | narrow xato##N##_range(const char *str, narrow l, narrow u) \ |
71 | { return xato##W##_range(str, l, u); } \ |
72 | static ATTRIBUTE_ALWAYS_INLINE \ |
73 | narrow xato##N##_sfx(const char *str, const struct suffix_mult *sfx) \ |
74 | { return xato##W##_sfx(str, sfx); } \ |
75 | static ATTRIBUTE_ALWAYS_INLINE \ |
76 | narrow xato##N(const char *str) \ |
77 | { return xato##W(str); } \ |
78 | |
79 | /* If long == long long, then just map them one-to-one */ |
80 | #if ULONG_MAX == ULLONG_MAX |
81 | DEFINE_EQUIV_STR_CONV(long, l, ll, ul, ull) |
82 | #else |
83 | /* Else provide extern defs */ |
84 | DECLARE_STR_CONV(long, l, ul) |
85 | #endif |
86 | |
87 | /* Same for int -> [long] long */ |
88 | #if UINT_MAX == ULLONG_MAX |
89 | DEFINE_EQUIV_STR_CONV(int, i, ll, u, ull) |
90 | #elif UINT_MAX == ULONG_MAX |
91 | DEFINE_EQUIV_STR_CONV(int, i, l, u, ul) |
92 | #else |
93 | DECLARE_STR_CONV(int, i, u) |
94 | #endif |
95 | |
96 | /* Specialized */ |
97 | |
98 | int BUG_xatou32_unimplemented(void); |
99 | static ATTRIBUTE_ALWAYS_INLINE uint32_t xatou32(const char *numstr) |
100 | { |
101 | if (UINT_MAX == 0xffffffff) |
102 | return xatou(numstr); |
103 | if (ULONG_MAX == 0xffffffff) |
104 | return xatoul(numstr); |
105 | return BUG_xatou32_unimplemented(); |
106 | } |
107 | |
108 | /* Non-aborting kind of convertors */ |
109 | |
110 | unsigned long long bb_strtoull(const char *arg, char **endp, int base); |
111 | long long bb_strtoll(const char *arg, char **endp, int base); |
112 | |
113 | #if ULONG_MAX == ULLONG_MAX |
114 | static ATTRIBUTE_ALWAYS_INLINE |
115 | unsigned long bb_strtoul(const char *arg, char **endp, int base) |
116 | { return bb_strtoull(arg, endp, base); } |
117 | static ATTRIBUTE_ALWAYS_INLINE |
118 | long bb_strtol(const char *arg, char **endp, int base) |
119 | { return bb_strtoll(arg, endp, base); } |
120 | #else |
121 | unsigned long bb_strtoul(const char *arg, char **endp, int base); |
122 | long bb_strtol(const char *arg, char **endp, int base); |
123 | #endif |
124 | |
125 | #if UINT_MAX == ULLONG_MAX |
126 | static ATTRIBUTE_ALWAYS_INLINE |
127 | unsigned bb_strtou(const char *arg, char **endp, int base) |
128 | { return bb_strtoull(arg, endp, base); } |
129 | static ATTRIBUTE_ALWAYS_INLINE |
130 | int bb_strtoi(const char *arg, char **endp, int base) |
131 | { return bb_strtoll(arg, endp, base); } |
132 | #elif UINT_MAX == ULONG_MAX |
133 | static ATTRIBUTE_ALWAYS_INLINE |
134 | unsigned bb_strtou(const char *arg, char **endp, int base) |
135 | { return bb_strtoul(arg, endp, base); } |
136 | static ATTRIBUTE_ALWAYS_INLINE |
137 | int bb_strtoi(const char *arg, char **endp, int base) |
138 | { return bb_strtol(arg, endp, base); } |
139 | #else |
140 | unsigned bb_strtou(const char *arg, char **endp, int base); |
141 | int bb_strtoi(const char *arg, char **endp, int base); |
142 | #endif |
143 | |
144 | int BUG_bb_strtou32_unimplemented(void); |
145 | static ATTRIBUTE_ALWAYS_INLINE |
146 | uint32_t bb_strtou32(const char *arg, char **endp, int base) |
147 | { |
148 | if (sizeof(uint32_t) == sizeof(unsigned)) |
149 | return bb_strtou(arg, endp, base); |
150 | if (sizeof(uint32_t) == sizeof(unsigned long)) |
151 | return bb_strtoul(arg, endp, base); |
152 | return BUG_bb_strtou32_unimplemented(); |
153 | } |
154 | |
155 | /* Floating point */ |
156 | |
157 | /* double bb_strtod(const char *arg, char **endp); */ |