1 files changed, 92 insertions, 0 deletions
diff --git a/private/windows/diamond/dmftools/dmfwp/dmfwp.c b/private/windows/diamond/dmftools/dmfwp/dmfwp.c
new file mode 100644
index 000000000..44dfe81a0
--- /dev/null
+++ b/private/windows/diamond/dmftools/dmfwp/dmfwp.c
@@ -0,0 +1,92 @@
+#include <windows.h>
+#include <winioctl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int
+_cdecl
+main(
+    int argc,
+    char** argv
+    )
+
+/*++
+
+Routine Description:
+
+    This routine writes the correct OEM field to the floppy, thus write-protecting
+    it.
+
+Arguments:
+
+    argc    - Supplies the number of command line arguments.
+
+    argv    - Supplies the command line arguments.
+
+Return Value:
+
+    0   - Success.
+
+    1   - Failure.
+
+--*/
+
+{
+    CHAR                    drive[20];
+    HANDLE                  handle;
+    BOOL                    b;
+    PUCHAR                  sectorBuffer;
+    DWORD                   bytes;
+
+    // First make sure that we have at least one parameter.
+
+    if (argc < 2) {
+        printf("usage: %s drive:\n", argv[0]);
+        return(1);
+    }
+
+
+    // Open the drive for exclusive access.
+
+    sprintf(drive, "\\\\.\\%s", argv[1]);
+    handle = CreateFile(drive, GENERIC_READ | GENERIC_WRITE, 0, NULL,
+                        OPEN_EXISTING, 0, NULL);
+    if (handle == INVALID_HANDLE_VALUE) {
+        printf("can't open drive %s, error = %d\n", argv[1], GetLastError());
+        return(1);
+    }
+
+    // Read the boot sector.
+
+
+
+
+    // Write out the boot sector, the FAT, and the root directory.
+
+    sectorBuffer = LocalAlloc(LMEM_FIXED, 512 + 0x1FF);
+    sectorBuffer = (PUCHAR) (((ULONG) (sectorBuffer + 0x1FF))&(~0x1FF));
+
+    b = ReadFile(handle, sectorBuffer, 512, &bytes, NULL);
+    if (!b || bytes != 512) {
+        printf("Could not read boot sector.  Error = %d\n", GetLastError());
+        return(1);
+    }
+
+    sectorBuffer[3] = 'M';
+
+    if (SetFilePointer(handle, 0, NULL, FILE_BEGIN) == 0xFFFFFFFF) {
+        printf("Could not reset file pointer.  Error = %d\n", GetLastError());
+        return(1);
+    }
+
+    b = WriteFile(handle, sectorBuffer, 512, &bytes, NULL);
+    if (!b || bytes != 512) {
+        printf("Could not write boot sector.  Error = %d\n", GetLastError());
+        return(1);
+    }
+
+    CloseHandle(handle);
+
+    return(0);
+}