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I have a user-defined type whose first element is a string.

Code:
type myType

   itemName as string

   itemType as integer

   ...

end type

I've got a pointer to this type somewhere in my code, and I can set values by doing the standard stuff:

Code:
myThingy->itemType = 44

But, I can't set the string. It crashes the compiled program. E.g.,

Code:
myThingy->itemName = strName

kills it. (Yes, strName is a string.) Also, strName is an argument passed to a procedure. Something like...

Code:
function initializeThingy(strName as string, [and whatnot]) as myType pointer

   dim temp as myType pointer

   [allocate the memory]

   temp->itemName = strName

   [insert rest of function here]

end function

If I comment out the string assignment statement, the code runs as expected, and normal results are produced (the values other than the string are being stored correctly and whatnot.)

v1c, any ideas here? Must be something I missed :-)

How is "temp" allocated? You have to always use CAllocate because Allocate won't clear the allocated block and it will be filled with garbage, and an assignament to a dyn string field can generate an exception, because the rtlib will try to free an invalid pointer.

Code:
type myType

   itemName as String

   itemType as Integer

end Type

Screen 13

Dim p As mytype Ptr

p = CAllocate(Len(mytype))

p->itemname = "dsd"

? p->itemname

Sleep

end

edit: ah.. slower than the man himself ;p
compiles, runs fine... perhaps try

p->itemname = ""

? no idea beyond that

subxero

v3cz0r

Anonymous