55 lines
1.6 KiB
Text
55 lines
1.6 KiB
Text
/// MemEqual checks the equality of two pieces of memory.
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///
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/// Note: MemEqual will panic if size_in_bytes is negative.
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MemEqual :: (p1: *void, p2: *void, size_in_bytes: int) -> bool {
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if size_in_bytes < 0
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{ Panic("size_in_bytes cannot be negative"); }
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return memcmp(p1, p2, size_in_bytes) == 0; // Provided by Preload
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}
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/// MemCopy copies the memory of src to dst.
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///
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/// Note: MemCopy will panic if size_in_bytes is negative.
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MemCopy :: (dst: *void, src: *void, size_in_bytes: int) {
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if size_in_bytes < 0
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{ Panic("size_in_bytes cannot be negative"); }
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memcpy(dst, src, size_in_bytes); // Provided by Preload
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}
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/// MemOverwrite overwites the memory of p with value.
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///
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/// Note: MemOverwrite will panic if size_in_bytes is negative.
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MemOverwrite :: (p: *void, size_in_bytes: int, value: u8 = 0) {
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if size_in_bytes < 0
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{ Panic("size_in_bytes cannot be negative"); }
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memset(p, value, size_in_bytes); // Provided by preload
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}
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/// MemZero zeroes the memory of p.
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///
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/// Note: MemZero will panic if size_in_bytes is negative.
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MemZero :: (p: *void, size_in_bytes: int) {
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MemOverwrite(p, size_in_bytes, 0);
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}
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/// MemZero zeroes the memory of p.
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///
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/// Note: MemZero will not call the initializer for aggregate types,
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/// so you may want MemReset instead.
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MemZero :: (p: *$T) {
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MemOverwrite(p, size_of(T), 0);
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}
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/// MemReset resets the memory of p, as if it was just instantiated.
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///
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/// Note: MemReset will call the initializer for aggregate types, so you
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/// may want MemZero instead.
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MemReset :: (p: *$T) {
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initializer :: initializer_of(T);
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#if initializer {
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inline initializer(p);
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}
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else {
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inline MemZero(p);
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}
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}
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