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625 lines
15 KiB
625 lines
15 KiB
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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cddump.c
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Abstract:
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parses commands and acts
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Environment:
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User mode only
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Revision History:
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05-26-98 : Created
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--*/
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#include "common.h"
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#define VERSION_MAJOR 1
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#define VERSION_MINOR 0
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#define VERSION_STRING "1.00"
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ULONG32
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TestCommand(
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HANDLE device,
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int argc,
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char *argv[]
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);
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ULONG32
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ListCommand(
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HANDLE device,
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int argc,
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char *argv[]
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);
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ULONG32
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DumpTrackCommand(
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HANDLE device,
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int argc,
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char *argv[]
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);
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ULONG32
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VerifyHeaderCommand(
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HANDLE device,
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int argc,
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char *argv[]
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);
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ULONG32
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ReadTOCCommand(
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HANDLE device,
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int argc,
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char *argv[]
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);
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//
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// Each structure instance can have a function pointer, name, and description
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//
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typedef struct {
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char *Name;
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char *Description;
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ULONG32 (*Function)(HANDLE device, int argc, char *argv[]);
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} COMMAND;
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//
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// List of commands
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// all command names are case sensitive
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// arguments are passed into command routines
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// list must be terminated with NULL command
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// command will not be listed in help if description == NULL
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//
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COMMAND CommandArray[] = {
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{"test", NULL, TestCommand},
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{"help", "help for all commands", ListCommand},
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{"dump", "[track] dump an audio track", DumpTrackCommand},
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{"toc", "prints the table of contents", ReadTOCCommand},
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{"header", "[file] verifies the info in the wav header", VerifyHeaderCommand},
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{NULL, NULL, NULL}
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};
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int __cdecl main(int argc, char *argv[])
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/*++
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Routine Description:
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Parses input, showing help or calling function requested appropriately
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Return Value:
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0 - success
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-1 - insufficient arguments
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-2 - error opening device (DNE?)
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--*/
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{
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int i = 0;
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int buflen;
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char *buffer;
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HANDLE h;
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if ( argc < 3 ) {
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ListCommand( NULL, argc, argv );
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return -1;
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}
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buflen = ( strlen(argv[1]) + 5 ) * sizeof(char);
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buffer = (char *)malloc( buflen );
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if (buffer == NULL) {
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fprintf(stderr, "Insufficient memory\n");
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return -1;
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}
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sprintf( buffer, "\\\\.\\%s", argv[1] );
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DebugPrint((2, "Main => Sending command %s to drive %s\n", argv[2], buffer));
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h = CreateFile( buffer,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if ( h == INVALID_HANDLE_VALUE ) {
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fprintf(stderr, "Error %d opening device %s\n", GetLastError(), buffer);
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return -2;
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}
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//
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// Iterate through the command array and find the correct function to
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// call.
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//
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while ( CommandArray[i].Name != NULL ) {
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if(strcmp(argv[2], CommandArray[i].Name) == 0) {
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(CommandArray[i].Function)(h, (argc - 2), &(argv[2]));
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break;
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}
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i++;
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}
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if ( CommandArray[i].Name == NULL ) {
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fprintf(stderr, "Unknown command %s\n", argv[2]);
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}
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CloseHandle(h);
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return 0;
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}
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ULONG32
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VerifyHeaderCommand(
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HANDLE device,
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int argc,
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char *argv[]
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)
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/*++
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Routine Description:
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opens the next argument and reads the wav header, printing to stdout
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Arguments:
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device - unused
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argc - the number of additional arguments.
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argv - the additional arguments
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Return Value:
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STATUS_SUCCESS if successful
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The value of GetLastError() from the point of failure
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--*/
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{
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HANDLE wavHandle;
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if (argv[1] == NULL) {
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fprintf(stderr, "Need filename to attempt to parse\n");
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return -1;
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}
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TRY {
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DebugPrint((2, "VerifyHeader => Opening %s\n", argv[1]));
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wavHandle = CreateFile(argv[1],
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (wavHandle == INVALID_HANDLE_VALUE) {
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printf("Error openingfile %x\n", GetLastError());
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LEAVE;
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}
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ReadWavHeader(wavHandle);
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} FINALLY {
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}
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return 0;
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}
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ULONG32 TestCommand(HANDLE device, int argc, char *argv[])
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/*++
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Routine Description:
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Tests the command "parsing"
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Arguments:
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device - a file handle to send the ioctl to
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argc - the number of additional arguments.
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argv - the additional arguments
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Return Value:
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STATUS_SUCCESS if successful
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The value of GetLastError() from the point of failure
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--*/
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{
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int i;
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printf("Test - %d additional arguments\n", argc);
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for(i = 0; i < argc; i++) {
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printf("arg %d: %s\n", i, argv[i]);
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}
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return STATUS_SUCCESS;
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}
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ULONG32 ListCommand(HANDLE device, int argc, char *argv[])
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/*++
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Routine Description:
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Prints out the command list
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Arguments:
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device - unused
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argc - unused
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argv - unused
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Return Value:
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STATUS_SUCCESS
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--*/
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{
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int i;
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printf("\nCdDump Version " VERSION_STRING "\n");
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printf("\tUsage: cddump <drive> <command> [parameters]\n");
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printf("\tpossible commands: \n");
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for (i = 0; CommandArray[i].Name != NULL; i++) {
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if(CommandArray[i].Description != NULL) {
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printf( "\t\t%s - %s\n",
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CommandArray[i].Name,
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CommandArray[i].Description
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);
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}
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}
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printf( "\n" );
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return STATUS_SUCCESS;
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}
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ULONG32 ReadTOCCommand(HANDLE device, int argc, char *argv[])
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/*++
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Routine Description:
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Reads and prints out the cdrom's table of contents
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Arguments:
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device - a file handle to send the ioctl to
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argc - the number of additional arguments. should be zero
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argv - the additional arguments
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Return Value:
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STATUS_SUCCESS if successful
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The value of GetLastError() from the point of failure
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--*/
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{
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PCDROM_TOC toc;
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PTRACK_DATA track;
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ULONG numberOfTracks;
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ULONG i;
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DebugPrint((2, "ReadToc => Reading Table of Contents\n"));
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toc = CddumpGetToc( device );
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if (toc == NULL) {
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return -1;
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}
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printf("First Track Number: %d\n", toc->FirstTrack);
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printf("Last Track Number: %d\n", toc->LastTrack);
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printf("CDDB ID: %08x\n", CDDB_ID(toc));
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numberOfTracks = (toc->LastTrack - toc->FirstTrack) + 1;
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// parse and print the information
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track = (PTRACK_DATA) &(toc->TrackData[0]);
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printf("Number ADR Control Start End Bytes\n");
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printf("------ --- ------- ---------- ---------- ----------\n");
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for(i = 0; i < numberOfTracks; i++) {
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ULONG trackStart;
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ULONG trackEnd;
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ULONG trackBytes;
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trackStart = MSF_TO_LBA(track->Address[1],
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track->Address[2],
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track->Address[3]);
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trackEnd = MSF_TO_LBA((track+1)->Address[1],
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(track+1)->Address[2],
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(track+1)->Address[3]);
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trackEnd--;
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trackBytes = (trackEnd - trackStart) * RAW_SECTOR_SIZE;
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printf(" %2d %2d %2d %10d %10d %8dk \n",
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track->TrackNumber,
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track->Adr,
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track->Control,
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trackStart,
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trackEnd,
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trackBytes / 1000
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);
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track++;
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}
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return STATUS_SUCCESS;
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}
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ULONG32 DumpTrackCommand(HANDLE device, int argc, char *argv[])
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/*++
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Routine Description:
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Reads a section of disc in raw read mode
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Arguments:
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device - a file handle to send the ioctl to
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argc - the number of additional arguments.
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argv[1] - the starting LBA. Starts at zero if this is not here
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argv[2] - the ending LBA. if not specified, equal to start
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Return Value:
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STATUS_SUCCESS if successful
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The value of GetLastError() from the point of failure
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--*/
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{
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PCDROM_TOC toc;
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HANDLE outputFile = (HANDLE)-1;
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ULONG track;
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ULONG endingSector;
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ULONG numberOfSectors; // actually useful data
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ULONG numberOfReads;
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ULONG status;
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ULONG startingSector;
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LONG i;
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ULONG cddbId = 0;
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UCHAR fileName[1024]; // randomly chosen size.
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PSAMPLE sample;
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toc = NULL;
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sample = NULL;
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TRY {
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track = atoi(argv[1]);
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if (track==0) {
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printf( "Cannot read track 0.\n" );
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status = -1;
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LEAVE;
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}
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toc = CddumpGetToc( device );
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if (toc==NULL) {
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status = -1;
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LEAVE;
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}
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cddbId = CDDB_ID(toc);
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sprintf(fileName, "%08x - Track %02d.wav", cddbId, track);
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DebugPrint((2, "DumpTrack => output filename: %s\n", fileName));
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//
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// account for zero-index
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//
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startingSector = MSF_TO_LBA(toc->TrackData[track-1].Address[1],
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toc->TrackData[track-1].Address[2],
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toc->TrackData[track-1].Address[3]
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);
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endingSector = MSF_TO_LBA(toc->TrackData[track].Address[1],
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toc->TrackData[track].Address[2],
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toc->TrackData[track].Address[3]
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);
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endingSector--; // no overlap
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numberOfSectors = endingSector - startingSector;
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DebugPrint((3, "DumpTrack => old sectors: start %8d end %8d count %d\n",
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startingSector, endingSector, numberOfSectors));
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sample = (PSAMPLE)malloc( RAW_SECTOR_SIZE );
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if ( sample == NULL ) {
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printf("Insufficient resources (sample)\n");
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status = -1;
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LEAVE;
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}
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//
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// first find a fully zero'd sample -- that will be
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// the _real_ start address of the track after adjusting
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// for redbook inaccuracies.
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//
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for (i=REDBOOK_INACCURACY; i > -(REDBOOK_INACCURACY); i--) {
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RAW_READ_INFO info;
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ULONG bytesReturned;
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ULONG j;
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BOOLEAN foundZeroSector = FALSE;
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if ((LONG)startingSector + i > 0 ) { // only read positive
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info.DiskOffset.QuadPart = (ULONGLONG)((startingSector + i)*(ULONGLONG)2048);
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info.SectorCount = 1;
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info.TrackMode = CDDA;
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if(DeviceIoControl(device,
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IOCTL_CDROM_RAW_READ,
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&info, // pointer to inputbuffer
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sizeof(RAW_READ_INFO), // sizeof inputbuffer
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sample, // pointer to outputbuffer
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RAW_SECTOR_SIZE, // sizeof outputbuffer
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&bytesReturned, // pointer to number of bytes returned
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FALSE)) {
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//
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// read succeeded, see if all zero'd
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//
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assert(bytesReturned == RAW_SECTOR_SIZE);
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foundZeroSector = TRUE;
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for (j=0;j<SAMPLES_PER_SECTOR;j++) {
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if (sample[j].AsUlong32 != 0) foundZeroSector = FALSE;
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}
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}
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if (foundZeroSector) {
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DebugPrint((1, "DumpTrack => New starting sector is "
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"offset by %d\n", i));
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startingSector += i; // change to real starting sector
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break; // stop looping.
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}
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} // end of positive check
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} // end of loop
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//
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// then find a fully zero'd sample at the end -- that will
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// be the _real_ end address of the track after adjusting
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// for redbook inaccuracies.
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//
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for (i=-(REDBOOK_INACCURACY); i < REDBOOK_INACCURACY; i++) {
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RAW_READ_INFO info;
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ULONG bytesReturned;
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ULONG j;
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BOOLEAN foundZeroSector = FALSE;
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if ((LONG)endingSector + i > 0 ) { // only read positive
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info.DiskOffset.QuadPart = (ULONGLONG)((endingSector + i)*(ULONGLONG)2048);
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info.SectorCount = 1;
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info.TrackMode = CDDA;
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if(DeviceIoControl(device,
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IOCTL_CDROM_RAW_READ,
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&info, // pointer to inputbuffer
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sizeof(RAW_READ_INFO), // sizeof inputbuffer
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sample, // pointer to outputbuffer
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RAW_SECTOR_SIZE, // sizeof outputbuffer
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&bytesReturned, // pointer to number of bytes returned
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FALSE)) {
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//
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// read succeeded, see if all zero'd
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//
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assert(bytesReturned == RAW_SECTOR_SIZE);
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foundZeroSector = TRUE;
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for (j=0;j<SAMPLES_PER_SECTOR;j++) {
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if (sample[j].AsUlong32 != 0) foundZeroSector = FALSE;
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}
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}
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if (foundZeroSector) {
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DebugPrint((2, "DumpTrack => New starting sector is "
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"offset by %d\n", i));
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endingSector += i; // change to real starting sector
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break; // stop looping.
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}
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} // end of positive check
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} // end of loop
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numberOfSectors = endingSector - startingSector;
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DebugPrint((2, "DumpTrack => new sectors: start %8d end %8d count %d\n",
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startingSector, endingSector, numberOfSectors));
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//
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// a bit of debugging info...
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//
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DebugPrint((2, "DumpTrack => Reading %d sectors starting at sector %d\n",
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numberOfSectors, startingSector));
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//
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// create the file
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//
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outputFile = CreateFile(fileName,
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GENERIC_WRITE,
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0,
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NULL,
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CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL,
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(HANDLE)NULL);
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if (outputFile == INVALID_HANDLE_VALUE) {
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printf( "Cannot open output file.\n" );
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status = -1;
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LEAVE;
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}
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//
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// dump the wav header info
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//
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DumpWavHeader(outputFile,
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numberOfSectors * SAMPLES_PER_SECTOR,
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44100, // 44.1KHz sound
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2, // stereo sound
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16 // 16-bit sound
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);
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CddumpDumpLba(device,
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outputFile,
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startingSector,
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endingSector
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);
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DebugPrint((2, "DumpTrack => Done!\n"));
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} FINALLY {
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free(toc);
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free(sample);
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}
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return STATUS_SUCCESS;
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}
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