mirror of
https://github.com/autc04/Retro68.git
synced 2024-07-05 00:29:03 +00:00
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
|
|
FUNCTION
|
|
<<atoufix16>>, <<atoufix32>>, <<atoufix64>>---string to unsigned fixed-point
|
|
|
|
INDEX
|
|
atoufix16
|
|
INDEX
|
|
atoufix32
|
|
INDEX
|
|
atoufix64
|
|
INDEX
|
|
_atoufix16_r
|
|
INDEX
|
|
_atoufix32_r
|
|
INDEX
|
|
_atoufix64_r
|
|
|
|
SYNOPSIS
|
|
#include <stdlib.h>
|
|
__uint16_t atoufix16(const char *<[s]>);
|
|
__uint32_t atoufix32(const char *<[s]>);
|
|
__uint64_t atoufix32(const char *<[s]>);
|
|
|
|
__uint16_t _atoufix16_r(struct __reent *, const char *<[s]>);
|
|
__uint32_t _atoufix32_r(struct __reent *, const char *<[s]>);
|
|
__uint64_t _atoufix32_r(struct __reent *, const char *<[s]>);
|
|
|
|
DESCRIPTION
|
|
<<atoufix16>> converts the initial portion of a string to a
|
|
16-bit fraction unsigned fixed point value.
|
|
<<atoufix32>> converts the initial portion of a string to a
|
|
32-bit fraction unsigned fixed point value.
|
|
<<atoufix64>> converts the initial portion of a string to a
|
|
64-bit fraction unsigned fixed point value.
|
|
<<atoufix16(s)>> is implemented as <<strtoufix16(s, NULL).>>
|
|
<<atoufix32(s)>> is implemented as <<strtoufix32(s, NULL).>>
|
|
<<atoufix64(s)>> is implemented as <<strtoufix64(s, NULL).>>
|
|
|
|
The alternate functions <<_atoufix16_r>>, <<_atoufix32_r>>,
|
|
and <<_atoufix64_r>> are reentrant versions.
|
|
The extra argument <[reent]> is a pointer to a reentrancy structure.
|
|
|
|
RETURNS
|
|
The functions return the converted value, if any. If no conversion was
|
|
made, <<0>> is returned. If saturation occurs, <<ERANGE>> is stored
|
|
in errno.
|
|
|
|
PORTABILITY
|
|
<<atoufix16>>, <<atoufix32>>, and <<atoufix64>> are non-standard.
|
|
|
|
No supporting OS subroutines are directly required. The
|
|
OS subroutines required by <<strtod>> are used.
|
|
*/
|
|
|
|
/*
|
|
* Jeff Johnston - 02/13/2002
|
|
*/
|
|
|
|
#ifdef __SPE__
|
|
|
|
#include <stdlib.h>
|
|
#include <_ansi.h>
|
|
|
|
__uint16_t
|
|
_atoufix16_r (struct _reent *reent,
|
|
const char *s)
|
|
{
|
|
return _strtoufix16_r (reent, s, NULL);
|
|
}
|
|
|
|
#ifndef _REENT_ONLY
|
|
__uint16_t
|
|
atoufix16 (const char *s)
|
|
{
|
|
return strtoufix16 (s, NULL);
|
|
}
|
|
|
|
#endif /* !_REENT_ONLY */
|
|
|
|
#endif /* __SPE__ */
|