libxdiff/source/libxdiff/init.d
2025-08-31 18:42:22 +03:00

44 lines
798 B
D

module libxdiff.init;
import core.stdc.stdlib : malloc, free, realloc;
import std.exception : enforce;
import xdiff;
extern (C) private void* wrap_malloc(void*, uint size)
{
return malloc(size);
}
extern (C) private void wrap_free(void*, void* p)
{
free(p);
}
extern (C) private void* wrap_realloc(void*, void* p, uint size)
{
return realloc(p, size);
}
void ensureInit()
{
static bool done = false;
if (done)
return;
memallocator_t m;
m.priv = null;
m.malloc = &wrap_malloc;
m.free = &wrap_free;
m.realloc = &wrap_realloc;
enforce(xdl_set_allocator(&m) == 0, "xdl_set_allocator failed");
done = true;
}
mmfile_t initMmfile(size_t len)
{
ensureInit();
mmfile_t mf;
enforce(xdl_init_mmfile(&mf, cast(long) len, XDL_MMF_ATOMIC) == 0, "xdl_init_mmfile failed");
return mf;
}