42 lines
1.8 KiB
C
42 lines
1.8 KiB
C
|
#ifndef COSMOPOLITAN_LIBC_MACROS_H_
|
||
|
|
#define COSMOPOLITAN_LIBC_MACROS_H_
|
||
|
|
#if 0
|
||
|
|
/*───────────────────────────────────────────────────────────────────────────│─╗
|
||
|
|
│ cosmopolitan § macros ─╬─│┼
|
||
|
|
╚────────────────────────────────────────────────────────────────────────────│*/
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @fileoverview Common C preprocessor, assembler, and linker macros.
|
||
|
|
*
|
||
|
|
* @see libc/bits/safemacros.h which it's really complicated
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define TRUE 1
|
||
|
|
#define FALSE 0
|
||
|
|
|
||
|
|
#define ROUNDUP(X, K) (((X) + ((K)-1)) & ~((K)-1))
|
||
|
|
#define ROUNDDOWN(X, K) ((X) & -(K))
|
||
|
|
#define ABS(X) ((X) >= 0 ? (X) : -(X))
|
||
|
|
#define MIN(X, Y) ((Y) > (X) ? (X) : (Y))
|
||
|
|
#define MAX(X, Y) ((Y) < (X) ? (X) : (Y))
|
||
|
|
#define PASTE(A, B) __PASTE(A, B)
|
||
|
|
#define STRINGIFY(A) __STRINGIFY(A)
|
||
|
|
#define EQUIVALENT(X, Y) (isconstant((X) == (Y)) && ((X) == (Y)))
|
||
|
|
#define TYPE_BIT(type) (sizeof(type) * CHAR_BIT)
|
||
|
|
#define TYPE_SIGNED(type) (((type)-1) < 0)
|
||
|
|
#define TYPE_INTEGRAL(type) (((type)0.5) != 0.5)
|
||
|
|
#define INT_STRLEN_MAXIMUM(type) \
|
||
|
|
((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
|
||
|
|
|
||
|
|
#define ARRAYLEN(A) \
|
||
|
|
((sizeof(A) / sizeof(*(A))) / ((unsigned)!(sizeof(A) % sizeof(*(A)))))
|
||
|
|
|
||
|
|
#define __STRINGIFY(A) #A
|
||
|
|
#define __PASTE(A, B) A##B
|
||
|
|
#ifdef __ASSEMBLER__
|
||
|
|
#include "libc/macros-cpp.inc"
|
||
|
|
#include "libc/macros.inc"
|
||
|
|
#endif /* __ASSEMBLER__ */
|
||
|
|
#endif /* COSMOPOLITAN_LIBC_MACROS_H_ */
|