Fix memory leak in Export

* Mess with valgrind command to work even if opening file
explorer (did not work)
* Pre-allocate child entries to have less resizing
* Add option to not open explorer on export (not sure if this should
stay or not)

RunValgrind.sh

@@ -17,4 +17,7 @@ $CAKELISP --verbose-processes \
 		  src/Config_Linux.cake \
 		  src/FileHelper.cake || exit $?
 
-valgrind --leak-check=full --suppressions=ValgrindSuppression.supp ./file-helper
+valgrind --leak-check=full --suppressions=ValgrindSuppression.supp \
+		 ./file-helper
+		 # --track-fds=yes \
+		 # --child-silent-after-fork=yes \ # Necessary for when opening File Explorer; doesn't work because output stops

src/Export.cake

@@ -117,6 +117,7 @@
 
   ;; Children do override. More work is needed
   (var child-entries (* directory-entry) null)
+  (dynarray-set-capacity child-entries 64)
 
   (var error-string-buffer ([] 1024 char) (array 0))
   ;; Note that by this point no entry should be a file, because files never have children, so
@@ -173,6 +174,7 @@
      on-pure-entry on-pure-entry-userdata))
   (dynarray-free entry-child-path)
   (directory-entries-destroy child-entries)
+  (dynarray-free child-entries)
   (set child-entries null))
 
 (defun export-category-paths (entries (* directory-entry-userdata) ;; strdict

src/FileHelper.cake

@@ -1011,9 +1011,11 @@
 
   (imgui-call TextWrapped "Create categories to organize your files.")
 
+  (var-static open-explorer-on-export bool true)
   (when (imgui-call Button "Export all to text")
     (export-category-paths g-userdata-dict g-categories-dict)
-    (open-system-file-explorer g-userdata-output-dir))
+    (when open-explorer-on-export
+      (open-system-file-explorer g-userdata-output-dir)))
   (when (imgui-call IsItemHovered)
     (imgui-call BeginTooltip)
     (imgui-call Text "Export a list of all files and directories in each category.")
@@ -1021,6 +1023,7 @@
     (imgui-call Text "A file explorer will open in the export directory.")
     (imgui-call Text "You can use these files as inputs into your backup systems, for example.")
     (imgui-call EndTooltip))
+  (imgui-call SameLine) (imgui-call Checkbox "Open Explorer on Export" (addr open-explorer-on-export))
 
   (imgui-call Separator)