22 lines
577 B
C
22 lines
577 B
C
#ifndef CUTILS_COMMON_H_
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#define CUTILS_COMMON_H_
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#include <stddef.h>
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#include <stdint.h>
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#define max(a, b) ((a) > (b) ? (a) : (b))
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#if UINTPTR_MAX == 0xffffffffffffffff
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# define next_pow_of_two(n) (((size_t) 1) << (64 - __builtin_clzll (n)))
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#elif UINTPTR_MAX == 0xffffffff
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# define next_pow_of_two(n) (((size_t) 1) << (64 - __builtin_clz (n)))
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#else
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# error unsupported architecture: size_t expected to be 64-bit or 32-bit.
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#endif
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void *smalloc (size_t size);
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void *srealloc (void *ptr, size_t size);
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#endif // CUTILS_COMMON_H_
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