59 lines
1.1 KiB
D
59 lines
1.1 KiB
D
module sdiff.init;
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import xdiff;
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import core.stdc.stdlib : malloc, free, realloc;
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import std.exception : enforce;
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import std.conv : to;
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extern (C)
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{
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private void* wrap_malloc(void*, uint size)
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{
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return malloc(size);
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}
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private void wrap_free(void*, void* p)
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{
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free(p);
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}
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private void* wrap_realloc(void*, void* p, uint size)
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{
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return realloc(p, size);
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}
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}
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shared static this()
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{
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memallocator_t m = {null, &wrap_malloc, &wrap_free, &wrap_realloc};
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auto rc = xdl_set_allocator(&m);
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enforce(rc == 0, "xdl_set_allocator failed (rc=" ~ rc.to!string ~ ")");
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}
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abstract class MM
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{
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private:
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mmfile_t initMmfile(size_t blockSize)
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{
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mmfile_t mf;
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auto rc = xdl_init_mmfile(&mf, blockSize.to!long, XDL_MMF_ATOMIC);
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enforce(rc == 0, "xdl_init_mmfile failed (rc=" ~ rc.to!string ~ ")");
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return mf;
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}
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protected:
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mmfile_t _inner;
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public:
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this(long bsize = 0) {
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_inner = initMmfile(bsize);
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}
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final @property size_t size()
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{
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return xdl_mmfile_size(&_inner).to!size_t;
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}
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final bool isCompact() const
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{
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return xdl_mmfile_iscompact(cast(mmfile_t*)&_inner) != 0;
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}
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}
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