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lua: cast through uintptr_t when return a pointer 

Don't assume size_t can carry pointer provenance and use uintptr_t
(identialy on all current platforms) instead.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Signed-off-by: Brooks Davis <brooks.davis@sri.com>
Closes #14131
This commit is contained in:
Brooks Davis 2022-10-27 23:39:06 +01:00 committed by Brian Behlendorf
parent b9041e1f27
commit 84477e148d
1 changed files with 1 additions and 1 deletions
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module/lua/lapi.c
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@ -444,7 +444,7 @@ LUA_API const void *lua_topointer (lua_State *L, int idx) {
case LUA_TTABLE: return hvalue(o);
case LUA_TLCL: return clLvalue(o);
case LUA_TCCL: return clCvalue(o);
case LUA_TLCF: return cast(void *, cast(size_t, fvalue(o)));
case LUA_TLCF: return cast(void *, cast(uintptr_t, fvalue(o)));
case LUA_TTHREAD: return thvalue(o);
case LUA_TUSERDATA:
case LUA_TLIGHTUSERDATA: