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[core] add alternate cheat mode for fast zeroing

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* Ctrl-Alt-Z can now be used to zero a drive, while skipping blocks that are detected empty
* Depending on your hardware, as well as the existing drive content, this strategy can greatly
  speed up zeroing operations, especially if the flash memory's read speed is much higher than
  its write speed.
* Closes #1174
This commit is contained in:
René van der Zee 2018-07-06 12:35:22 +01:00 • committed by Pete Batard
parent a394b9731a
commit 77bf5c8a49
5 changed files with 91 additions and 16 deletions
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14
src/rufus.c
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@ -102,7 +102,7 @@ BOOL use_own_c32[NB_OLD_C32] = { FALSE, FALSE }, mbr_selected_by_user = FALSE;
BOOL iso_op_in_progress = FALSE, format_op_in_progress = FALSE, right_to_left_mode = FALSE, has_uefi_csm;
BOOL enable_HDDs = FALSE, force_update = FALSE, enable_ntfs_compression = FALSE, no_confirmation_on_cancel = FALSE, lock_drive = TRUE;
BOOL advanced_mode_device, advanced_mode_format, allow_dual_uefi_bios, detect_fakes, enable_vmdk, force_large_fat32, usb_debug;
BOOL use_fake_units, preserve_timestamps = FALSE;
BOOL use_fake_units, preserve_timestamps = FALSE, fast_zeroing = FALSE;
BOOL zero_drive = FALSE, list_non_usb_removable_drives = FALSE, enable_file_indexing, large_drive = FALSE, write_as_image = FALSE;
float fScale = 1.0f;
int dialog_showing = 0, selection_default = BT_IMAGE, windows_to_go_selection = 0, persistence_unit_selection = 0;
@ -3235,12 +3235,22 @@ relaunch:
// Alt-Z => Zero the drive
if ((msg.message == WM_SYSKEYDOWN) && (msg.wParam == 'Z')) {
zero_drive = TRUE;
fast_zeroing = FALSE;
// Simulate a button click for Start
PostMessage(hDlg, WM_COMMAND, (WPARAM)IDC_START, 0);
continue;
}
// Ctrl-Alt-Z => Zero the drive while trying to skip empty blocks
if ((msg.message == WM_KEYDOWN) && (msg.wParam == 'Z') &&
(GetKeyState(VK_CONTROL) & 0x8000) && (GetKeyState(VK_MENU) & 0x8000)) {
zero_drive = TRUE;
fast_zeroing = TRUE;
// Simulate a button click for Start
PostMessage(hDlg, WM_COMMAND, (WPARAM)IDC_START, 0);
continue;
}
// Hazardous cheat modes require Ctrl + Alt
// Other hazardous cheat modes require Ctrl + Alt
// Ctrl-Alt-F => List non USB removable drives such as eSATA, etc - CAUTION!!!
if ((msg.message == WM_KEYDOWN) && (msg.wParam == 'F') &&
(GetKeyState(VK_CONTROL) & 0x8000) && (GetKeyState(VK_MENU) & 0x8000)) {