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AP_Param: Switch from type punning to defined behavior 

* This was undefined behavior in the C++ standard
* Use the safer options in AP_Common
* Removes a compiler warning

Signed-off-by: Ryan Friedman <ryanfriedman5410+github@gmail.com>
This commit is contained in:
Ryan Friedman 2023-05-20 21:57:02 -06:00 committed by Andrew Tridgell
parent d0b8e672c0
commit c382eb192a
1 changed files with 1 additions and 1 deletions
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2
libraries/AP_Param/AP_Param.cpp
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@ -3019,7 +3019,7 @@ bool AP_Param::add_param(uint8_t _key, uint8_t param_num, const char *pname, flo
// check CRC // check CRC
auto &hinfo = const_cast<GroupInfo*>(info.group_info)[0]; auto &hinfo = const_cast<GroupInfo*>(info.group_info)[0];
const int32_t crc = *(const int32_t *)(&hinfo.def_value); const auto crc = to_int32(hinfo.def_value);
int32_t current_crc; int32_t current_crc;
if (load_int32(key, 0, current_crc) && current_crc != crc) { if (load_int32(key, 0, current_crc) && current_crc != crc) {