diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 17:44:13 +0300 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 17:44:13 +0300 |
commit | ed836cdc30642ddbecc286b279d461ca44135cbb (patch) | |
tree | 70735d4bd1e34de43aa3f8092446caf460bd2540 /include/xatonum.h | |
parent | 809a6e310443d0b5010c8b293cab0160608c1b02 (diff) |
regularize str -> num convertors
Diffstat (limited to 'include/xatonum.h')
-rw-r--r-- | include/xatonum.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/include/xatonum.h b/include/xatonum.h new file mode 100644 index 000000000..cdb5e7393 --- /dev/null +++ b/include/xatonum.h @@ -0,0 +1,94 @@ +/* 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 |