[Pcb-bugs] [Bug 769336] [NEW] Segfault when attempting PNG export

[Andrew P. <76...@bu...>]

Public bug reported:

If you click File->Export->PNG, pcb segfaults immediately and crashes.

The reason for this is that when populating the list of file extensions
(PNG, JPEG, GIF), the code expects a NULL-terminated list of extensions.
Instead, the list is terminated by "".

I have attached a fix that looks for NULL-termination and
""-termination.

** Affects: pcb
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/769336

Title:
  Segfault when attempting PNG export

Status in PCB: Printed Circuit Board CAD package:
  New

Bug description:
  If you click File->Export->PNG, pcb segfaults immediately and crashes.

  The reason for this is that when populating the list of file
  extensions (PNG, JPEG, GIF), the code expects a NULL-terminated list
  of extensions. Instead, the list is terminated by "".

  I have attached a fix that looks for NULL-termination and
  ""-termination.