On 2005-05-04, Scott Erickson <[EMAIL PROTECTED]> wrote:
> Henk,
> Could this be the reason... I have a struct to hold my app settings. I
> make one declaration of that to be global. In appstart i allocate memory
> for it with memptrnew and a temporary memprt. then i use in in many
> functions with no problems. then in appstop i try to free the memory with
> MemPtrFree(currentSettings); yet the simulator tells me i have an unfreed
> chunk (same as the value of the pointer to the variable), and the device
> softresets at this point. how can i free the chunk of mem i am using for
> this variable? below is some relavent code from my app...
>
> (the declaration is above all function calls, but below all function
> headers)
> typedef struct{
> Boolean monitor;
> UInt32 aUpdate;
> Char* lastUpdate;
> Char* license;
> } appSettings;
> appSettings *currentSettings;
>
> (in appstart)
> MemPtr temp;
> UInt16 appSettingsSize;
> appSettingsSize = sizeof(currentSettings);
^^^^^^^^^^^^^^^
This is wrong. sizeof(currentSettings) is 4 since currentSettings is a
pointer. I guess you mean sizeof(appSettings) instead.
Hence your allocated memory is too small and you are overwriting other
memory.
> temp = MemPtrNew(appSettingsSize);
> currentSettings = temp;
>
> (in appstop)
> MemPtrFree(currentSettings);
>
Ton van Overbeek
--
For information on using the Palm Developer Forums, or to unsubscribe, please
see http://www.palmos.com/dev/support/forums/
