FIX: C0000005 Fatal Error With TRANSFORM() on Long Strings

ID: Q221680

The information in this article applies to:

Microsoft Visual FoxPro for Windows, versions 3.0, 3.0b, 5.0, 5.0a, 6.0

SYMPTOMS

Using a string argument longer than 255 characters with the TRANSFORM() function causes Visual FoxPro 6.0 to generate the following error:

Fatal error: Exception code=C0000005

Under the same circumstances, Visual FoxPro 5.0 or Visual FoxPro 3.0 terminate without any error or produce an error similar to the following under Windows NT:

An application error has occurred and an application error log is being generated.
vfp.exe
Exception: access violation (0xc0000005),Address 0x0043d731

Under Windows 9x, Visual FoxPro 5.0 or Visual FoxPro 3.0 produce an error similar to the following:

VFP caused an invalid page fault in module KERNEL32.DLL at 0137:bff85fd9

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.

This bug was corrected in Visual Studio 6.0 Service Pack 3. For more information about Visual Studio service packs, please see the following articles in the Microsoft Knowledge Base:

Q194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

Q194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed The fix involves truncating the string argument to 255 characters.

MORE INFORMATION

Steps to Reproduce Behavior

Run the following code from a program (.PRG) file:

lcText=REPLICATE("Hello World!!!",25)
? TRANSFORM(lcText,"")

Additional query words:

Keywords : kbservicepack kbVFp300bbug kbVFp500abug kbVFp600 kbVFp600bug kbXBase kbVS600sp2 kbVS600sp2fix kbVS600SP1 kbVS600sp3fix kbVS600SP1fix
Version : WINDOWS:3.0,3.0b,5.0,5.0a,6.0
Platform : WINDOWS
Issue type : kbbug