Out of bounds (beyond the end of the memory block) pointer argument

Hello

I write a program to control the power supply. One of the functions is to set the voltage and current in the table.

When I run it, it displays the following error message:

"Off-shore argument pointer (beyond the end of the block of memory) '

Could someone help me with this?

Thank you!

This function code is as below:

int CVICALLBACK SetValueCallBack (int, int int event, control panel,
void * callbackData, int eventData1, int eventData2)
{
switch (event)
{
float Voltage_Set, Current_Set;
int TimeSet;
int lines;
char VoltageSetBuff [30];
char CurrentSetBuff [30];
           
case EVENT_COMMIT:

GetCtrlVal (panelHandle, PANEL_SETVOLTAGE, & Voltage_Set);
GetCtrlVal (panelHandle, PANEL_SETCURRENT, & Current_Set);
GetCtrlVal (panelHandle, PANEL_SETTIME, & TimeSet);
GetCtrlVal (panelHandle, PANEL_SETROW, & RowSet);
           
sprintf (VoltageSetBuff, "%2.2f", Voltage_Set);
sprintf (CurrentSetBuff, "%2.2f", Current_Set);
           
SetTableCellVal (panelHandle, PANEL_TABLE, MakePoint 1, lines, VoltageSetBuff);
SetTableCellVal (panelHandle, PANEL_TABLE, MakePoint (2 lines), CurrentSetBuff);
SetTableCellVal (panelHandle, PANEL_TABLE, MakePoint (3 lines), TimeSet);

break;
}
return 0;
}

I am able to reproduce the problem, if I see the problem on the line just before the one you mention. I think it's probably because the variables declared inside a switch statement before the case labels are not initialized the same way as other variables are.* If move you these variable declarations before the passage, I think you will find that your mistakes disappear:

int CVICALLBACK SetValueCallBack (int, int int event, control panel,
void * callbackData, int eventData1, int eventData2)
{
float Voltage_Set, Current_Set;
int TimeSet;
int lines;
char VoltageSetBuff [30];
char CurrentSetBuff [30];

switch (event)
{
case EVENT_COMMIT:

...

I'll file a bug report to make sure that this gets more studied.

* Note that the rules of the C language, even initialization explicitly (for example int TimeSet = 10 ;)-this position inside the switch has no effect!

A. Mert

National Instruments

Tags: NI Software

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