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Remove more nonstandard stuff from cosmopolitan.h

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Fixes #61
This commit is contained in:
Justine Tunney 2021-02-28 23:42:35 -08:00
parent 5e069a64d4
commit d932948fb4
954 changed files with 1095 additions and 1342 deletions
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71
libc/bits/safemacros.internal.h Normal file
View file

@ -0,0 +1,71 @@
#ifndef COSMOPOLITAN_LIBC_BITS_SAFEMACROS_H_
#define COSMOPOLITAN_LIBC_BITS_SAFEMACROS_H_
#include "libc/macros.internal.h"
#include "libc/runtime/runtime.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define min(x, y) \
({ \
autotype(x) MinX = (x); \
autotype(y) MinY = (y); \
MinX < MinY ? MinX : MinY; \
})
#define max(x, y) \
({ \
autotype(x) MaxX = (x); \
autotype(y) MaxY = (y); \
MaxX > MaxY ? MaxX : MaxY; \
})
#define roundup(x, k) \
({ \
autotype(x) RoundupX = (x); \
autotype(k) RoundupK = (k); \
ROUNDUP(RoundupX, RoundupK); \
})
#define rounddown(x, k) \
({ \
autotype(x) RounddownX = (x); \
autotype(k) RounddownK = (k); \
ROUNDDOWN(RounddownX, RounddownK); \
})
#define isempty(s) \
({ \
autotype(s) IsEmptyS = (s); \
!IsEmptyS || !(*IsEmptyS); \
})
#define nulltoempty(s) \
({ \
autotype(s) NullToEmptyS = (s); \
NullToEmptyS ? NullToEmptyS : ""; \
})
#define firstnonnull(a, b) \
({ \
autotype(a) FirstNonNullA = (a); \
autotype(a) FirstNonNullB = (b); \
if (!FirstNonNullA && !FirstNonNullB) abort(); \
FirstNonNullA ? FirstNonNullA : FirstNonNullB; \
})
#define emptytonull(s) \
({ \
autotype(s) EmptyToNullS = (s); \
EmptyToNullS && !(*EmptyToNullS) ? NULL : EmptyToNullS; \
})
#define unsignedsubtract(a, b) \
({ \
uint64_t UnsubA = (a); \
uint64_t UnsubB = (b); \
UnsubA >= UnsubB ? UnsubA - UnsubB : ~UnsubB + UnsubA + 1; \
})
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_BITS_SAFEMACROS_H_ */