26 lines
730 B
C
26 lines
730 B
C
// vim:fileencoding=utf-8:foldmethod=marker
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#include "mem_utils.h"
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#include "../../../common/aliases/aliases.h"
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#include "../../../common/assert/assert.h"
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#include "../../../common/misc/misc_utils.h"
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#include <stddef.h>
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void *wapp_mem_util_align_forward(void *ptr, u64 alignment) {
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wapp_debug_assert(ptr != NULL, "`ptr` should not be NULL");
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wapp_runtime_assert(wapp_is_power_of_two(alignment), "`alignment` value is not a power of two");
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uptr p = (uptr)ptr;
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uptr align = (uptr)alignment;
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// Similar to p % align, but it's a faster implementation that works fine
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// because align is guaranteed to be a power of 2
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uptr modulo = p & (align - 1);
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if (modulo != 0) {
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p += align - modulo;
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}
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return (void *)p;
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}
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