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core: fix crash when payload pack_id is not numeric (#440)

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JeHee Yu 2025-05-14 00:06:47 +09:00 committed by GitHub
parent da779141a7
commit 6a3bd6a45f
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1 changed files with 8 additions and 1 deletions
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9
src/internal/sio_packet.cpp
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@ -321,7 +321,14 @@ namespace sio
if(pos<json_pos)//we've got pack id.
{
_pack_id = std::stoi(payload_ptr.substr(pos,json_pos - pos));
std::string pack_id_str = payload_ptr.substr(pos, json_pos - pos);
if (std::all_of(pack_id_str.begin(), pack_id_str.end(), ::isdigit)) {
_pack_id = std::stoi(pack_id_str);
}
else {
_pack_id = -1;
}
}
if (_frame == frame_message && (_type == type_binary_event || _type == type_binary_ack)) {
//parse later when all buffers are arrived.