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Update utils.js #118

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Update utils.js #118

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27 changes: 26 additions & 1 deletion src/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -72,4 +72,29 @@ const STRUCTRON_TYPE_STRING = memoryjs => (handle, structAddress, platform, enco
SIZE: platform === '64' ? SIZEOF_STDSTRING_64BIT : SIZEOF_STDSTRING_32BIT,
});

module.exports = { STRUCTRON_TYPE_STRING };
/**
* Reads the memory pointer from the specified address with optional offsets.
*
* @param {number} handle - The handle or identifier for the memory region.
* @param {number} address - The memory address to read.
* @param {number[]} [offsets] - Optional array of offsets to traverse.
* @returns {number} The value read from the memory address.
*/
const readPointer = memoryjs => (handle, address, offsets) => {
let addr = address

if (offsets) {
addr = memoryjs.readMemory(handle, addr, memoryjs.INT)
for (let offset of offsets) {
if (offset == offsets.at(-1)) {
addr += offset
continue
}
addr = memoryjs.readMemory(handle, addr + offset, memoryjs.INT)
}
}

return addr
}

module.exports = { STRUCTRON_TYPE_STRING, readPointer };