hush/include/xatonum.h
Stephen Heumann 8f6869ae25 Miscellaneous changes for ORCA/C and GNO compatibility, mainly removing C99isms.
At this point, ORCA/C can process the main header files, and some smaller source files compile without errors.
2014-11-01 09:46:02 -05:00

147 lines
6.0 KiB
C

/* 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 source tree.
*/
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 xstrto##T(const char *str, int b) 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; \
/* 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 xstrto##N(const char *str, int b) \
{ return xstrto##W(str, b); } \
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); } \
DECLARE_STR_CONV(long, l, ul)
/* Same for int -> [long] long */
#if UINT_MAX == ULONG_MAX
DEFINE_EQUIV_STR_CONV(int, i, l, u, ul)
#else
DECLARE_STR_CONV(int, i, u)
#endif
/* Specialized */
/* 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 bb_strtoul(const char *arg, char **endp, int base) FAST_FUNC;
long bb_strtol(const char *arg, char **endp, int base) FAST_FUNC;
#if 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
uint32_t 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();
}
static ALWAYS_INLINE
int32_t bb_strtoi32(const char *arg, char **endp, int base)
{
if (sizeof(int32_t) == sizeof(int))
return bb_strtoi(arg, endp, base);
if (sizeof(int32_t) == sizeof(long))
return bb_strtol(arg, endp, base);
return BUG_bb_strtou32_unimplemented();
}
/* Floating point */
double bb_strtod(const char *arg, char **endp) FAST_FUNC;
POP_SAVED_FUNCTION_VISIBILITY