38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
//----------------------------------------------------------------------------//
|
||
// GNU GPL OS/K //
|
||
// //
|
||
// Authors: spectral` //
|
||
// NeoX //
|
||
// //
|
||
// Desc: Conversion utilities - atoi family //
|
||
//----------------------------------------------------------------------------//
|
||
|
||
#include <kalbase.h>
|
||
|
||
//
|
||
// String to integer
|
||
// Do not change errno
|
||
//
|
||
#define _ATOI_IMPL(_Name, _Type, _Func) \
|
||
_Type _Name(const char *str) { \
|
||
__get_errno(old); \
|
||
_Type ret = (_Type)_Func(str, NULL, 0); \
|
||
__set_errno(old); \
|
||
return ret; \
|
||
}
|
||
|
||
|
||
// ISO C does not allow extra ‘;’ outside of a function
|
||
#if defined(_NEED_ATOI)
|
||
_ATOI_IMPL(atoi, int, strtol)
|
||
#elif defined(_NEED_ATOL)
|
||
_ATOI_IMPL(atol, long, strtol)
|
||
#elif defined(_NEED_ATOU)
|
||
_ATOI_IMPL(atou, uint, strtoul)
|
||
#elif defined(_NEED_ATOUL)
|
||
_ATOI_IMPL(atoul, ulong, strtoul)
|
||
#else
|
||
#error "What am I supposed to declare?"
|
||
#endif
|
||
|