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Do not pass NULL to memcpy

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ReadJoyConControllerType calls WriteSubcommandSync with pbuf=NULL
This commit is contained in:
Mathieu Eyraud 2022-08-02 15:00:55 +02:00 committed by Sam Lantinga
parent 42b2320756
commit 59a104b803
1 changed files with 3 additions and 1 deletions
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src/joystick/hidapi/SDL_hidapi_switch.c
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@ -493,7 +493,9 @@ static void ConstructSubcommand(SDL_DriverSwitch_Context *ctx, ESwitchSubcommand
SDL_memcpy(outPacket->commonData.rumbleData, ctx->m_RumblePacket.rumbleData, sizeof(ctx->m_RumblePacket.rumbleData)); SDL_memcpy(outPacket->commonData.rumbleData, ctx->m_RumblePacket.rumbleData, sizeof(ctx->m_RumblePacket.rumbleData));
outPacket->ucSubcommandID = ucCommandID; outPacket->ucSubcommandID = ucCommandID;
if (pBuf) {
SDL_memcpy(outPacket->rgucSubcommandData, pBuf, ucLen); SDL_memcpy(outPacket->rgucSubcommandData, pBuf, ucLen);
}
ctx->m_nCommandNumber = (ctx->m_nCommandNumber + 1) & 0xF; ctx->m_nCommandNumber = (ctx->m_nCommandNumber + 1) & 0xF;
} }