/* vi: set sw=4 ts=4: */ /* * ascii-to-numbers implementations for busybox * * Copyright (C) 2003 Manuel Novoa III * * 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 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) \ \ static ALWAYS_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); } \ static ALWAYS_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); } \ static ALWAYS_INLINE \ unsigned narrow xstrto##UN##_sfx(const char *str, int b, const struct suffix_mult *sfx) \ { return xstrto##UW##_sfx(str, b, sfx); } \ static ALWAYS_INLINE \ unsigned narrow xstrto##UN(const char *str, int b) \ { return xstrto##UW(str, b); } \ static ALWAYS_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); } \ static ALWAYS_INLINE \ unsigned narrow xato##UN##_range(const char *str, unsigned narrow l, unsigned narrow u) \ { return xato##UW##_range(str, l, u); } \ static ALWAYS_INLINE \ unsigned narrow xato##UN##_sfx(const char *str, const struct suffix_mult *sfx) \ { return xato##UW##_sfx(str, sfx); } \ static ALWAYS_INLINE \ unsigned narrow xato##UN(const char *str) \ { return xato##UW(str); } \ static ALWAYS_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); } \ static ALWAYS_INLINE \ narrow xstrto##N##_range(const char *str, int b, narrow l, narrow u) \ { return xstrto##W##_range(str, b, l, u); } \ static ALWAYS_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); } \ static ALWAYS_INLINE \ narrow xato##N##_range(const char *str, narrow l, narrow u) \ { return xato##W##_range(str, l, u); } \ static ALWAYS_INLINE \ narrow xato##N##_sfx(const char *str, const struct suffix_mult *sfx) \ { return xato##W##_sfx(str, sfx); } \ static ALWAYS_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); static ALWAYS_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 static ALWAYS_INLINE unsigned long bb_strtoul(const char *arg, char **endp, int base) { return bb_strtoull(arg, endp, base); } static ALWAYS_INLINE 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 static ALWAYS_INLINE unsigned bb_strtou(const char *arg, char **endp, int base) { return bb_strtoull(arg, endp, base); } static ALWAYS_INLINE int bb_strtoi(const char *arg, char **endp, int base) { return bb_strtoll(arg, endp, base); } #elif UINT_MAX == ULONG_MAX static ALWAYS_INLINE unsigned bb_strtou(const char *arg, char **endp, int base) { return bb_strtoul(arg, endp, base); } static ALWAYS_INLINE int bb_strtoi(const char *arg, char **endp, int base) { return bb_strtol(arg, endp, base); } #else unsigned bb_strtou(const char *arg, char **endp, int base); int bb_strtoi(const char *arg, char **endp, int base); #endif int BUG_bb_strtou32_unimplemented(void); static ALWAYS_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); */