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Add some basic sanity checking

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d0k3 2016-04-07 14:29:37 +02:00
parent c71593bb25
commit cbcc60d891
1 changed files with 12 additions and 1 deletions
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13
source/godmode.c
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@ -195,7 +195,18 @@ u32 GodMode() {
clipboard->n_entries = 0;
memset(panedata, 0x00, 0x10000);
while (true) { // this is the main loop
DrawUserInterface(current_path, &(current_dir->entry[cursor]), clipboard, N_PANES ? pane - panedata + 1 : 0);
// basic sanity checking
if (!current_dir->n_entries) { // current dir is empty -> revert to root
*current_path = '\0';
GetDirContents(current_dir, current_path);
cursor = 0;
if (!current_dir->n_entries) { // should not happen, if it does fail gracefully
ShowPrompt(false, "Invalid directory object");
return exit_mode;
}
}
if (cursor >= current_dir->n_entries) // cursor beyond allowed range
cursor = current_dir->n_entries - 1;
DrawDirContents(current_dir, cursor, &scroll);
u32 pad_state = InputWait();
bool switched = (pad_state & BUTTON_R1);