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int ty_light_basis_u_snprintf(char *buf, unsigned int size,const char *format, ...)
{
	int n=0;
	va_list args;
	va_start(args, format );
	n=print(&buf, format, args);
	if(n>=size)
	{
		buf[size-1]=0;
		n=size-1;
	}
	return n;
}

Code: Select all

OPERATE_LIGHT ty_light_basis_tools_music_data_decompress(const IN u8* input_buf, const IN u32 input_buf_len, OUT char* output_str)
{
    OPERATE_LIGHT opRet = 1;
    u8 output_str_tmp[22] = {0};
    if(NULL == input_buf || NULL == output_str) {
        return LIGHT_INVALID_PARM;
    }
    

u16 val_H, val_S, val_V, val_L, val_T = 0;
u8 change_mode = (input_buf[0] >> 7) & 0x01;

val_H = (((input_buf[0] >> 6) & 0x01) << 8) + input_buf[1];
val_S = (((input_buf[0] >> 2) & 0x03) << 8) + input_buf[2];
val_V = ((input_buf[0] & 0x03) << 8) + input_buf[3];

memset(output_str_tmp, 0, 22);
ty_light_basis_u_snprintf(output_str_tmp, 22, "%01x%04x%04x%04x%04x%04x", change_mode, val_H, val_S, val_V, val_L, val_T);
strncpy(output_str, output_str_tmp, 21);
return LIGHT_OK;
}