From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- release/src/router/busybox/include/xatonum.h | 172 +++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 release/src/router/busybox/include/xatonum.h (limited to 'release/src/router/busybox/include/xatonum.h') diff --git a/release/src/router/busybox/include/xatonum.h b/release/src/router/busybox/include/xatonum.h new file mode 100644 index 00000000..ee816efb --- /dev/null +++ b/release/src/router/busybox/include/xatonum.h @@ -0,0 +1,172 @@ +/* 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. + */ + +PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN + +/* 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) FAST_FUNC; \ +unsigned type xstrto##UT##_range(const char *str, int b, unsigned type l, unsigned type u) FAST_FUNC; \ +unsigned type xstrto##UT##_sfx(const char *str, int b, const struct suffix_mult *sfx) FAST_FUNC; \ +unsigned type xstrto##UT(const char *str, int b) FAST_FUNC; \ +unsigned type xato##UT##_range_sfx(const char *str, unsigned type l, unsigned type u, const struct suffix_mult *sfx) FAST_FUNC; \ +unsigned type xato##UT##_range(const char *str, unsigned type l, unsigned type u) FAST_FUNC; \ +unsigned type xato##UT##_sfx(const char *str, const struct suffix_mult *sfx) FAST_FUNC; \ +unsigned type xato##UT(const char *str) FAST_FUNC; \ +type xstrto##T##_range_sfx(const char *str, int b, type l, type u, const struct suffix_mult *sfx) FAST_FUNC; \ +type xstrto##T##_range(const char *str, int b, type l, type u) FAST_FUNC; \ +type xato##T##_range_sfx(const char *str, type l, type u, const struct suffix_mult *sfx) FAST_FUNC; \ +type xato##T##_range(const char *str, type l, type u) FAST_FUNC; \ +type xato##T##_sfx(const char *str, const struct suffix_mult *sfx) FAST_FUNC; \ +type xato##T(const char *str) FAST_FUNC; \ + +/* 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: bb_strto[u][l]l */ + +/* On exit: errno = 0 only if there was non-empty, '\0' terminated value + * errno = EINVAL if value was not '\0' terminated, but otherwise ok + * Return value is still valid, caller should just check whether end[0] + * is a valid terminating char for particular case. OTOH, if caller + * requires '\0' terminated input, [s]he can just check errno == 0. + * errno = ERANGE if value had alphanumeric terminating char ("1234abcg"). + * errno = ERANGE if value is out of range, missing, etc. + * errno = ERANGE if value had minus sign for strtouXX (even "-0" is not ok ) + * return value is all-ones in this case. + */ + +unsigned long long bb_strtoull(const char *arg, char **endp, int base) FAST_FUNC; +long long bb_strtoll(const char *arg, char **endp, int base) FAST_FUNC; + +#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) FAST_FUNC; +long bb_strtol(const char *arg, char **endp, int base) FAST_FUNC; +#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) FAST_FUNC; +int bb_strtoi(const char *arg, char **endp, int base) FAST_FUNC; +#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) FAST_FUNC; + +POP_SAVED_FUNCTION_VISIBILITY -- cgit v1.2.3-54-g00ecf