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Explicitly cast size_t to uint64_t in buffer_readbits / buffer_writebits

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This commit is contained in:
Hunter Goldstein 2025-01-10 11:20:39 -08:00
parent a0ed331da0
commit ba71ff135b
1 changed files with 2 additions and 2 deletions
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4
VM/src/lbuflib.cpp
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@ -262,7 +262,7 @@ static int buffer_readbits(lua_State* L)
if (unsigned(bitcount) > 32)
luaL_error(L, "bit count is out of range of [0; 32]");
if (uint64_t(bitoffset + bitcount) > len * 8)
if (uint64_t(bitoffset + bitcount) > uint64_t(len) * 8)
luaL_error(L, "buffer access out of bounds");
unsigned startbyte = unsigned(bitoffset / 8);
@ -292,7 +292,7 @@ static int buffer_writebits(lua_State* L)
if (unsigned(bitcount) > 32)
luaL_error(L, "bit count is out of range of [0; 32]");
if (uint64_t(bitoffset + bitcount) > len * 8)
if (uint64_t(bitoffset + bitcount) > uint64_t(len) * 8)
luaL_error(L, "buffer access out of bounds");
unsigned startbyte = unsigned(bitoffset / 8);