Comments (2)
decode関数内でのgenerate_mugen_code関数の呼び出しの際の、valuesへのアクセスにてSegmentation Faultが発生している模様。
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generate_mugen_code関数で呼んでいるget_value_from_seqのsscanf_sにて、"%02hhX"に対応する引数がuint8_tであったことによるスタック破壊が原因と特定。
"%x"に対応する引数はint(ビルド環境では4Byte)である必要があるらしい?
C標準ではサイズ指定子"hh"を用いることで、char / unsigned charの入力に利用できるとはあるが、実際に何バイト更新されるのかについては記載なし。一方でmsvcrt.dllの提供元であるマイクロソフトのドキュメントでは, "%x"に対応するのはintであるとの記載あり。
https://learn.microsoft.com/en-us/cpp/c-runtime-library/scanf-type-field-characters?view=msvc-170
特段の事情のない限り、scanf系関数のarguments引数の型は"int"としておいたほうが良さげ。
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