rosapps/sysutils/ldd.c

   1 /* $Id$
   2  *
   3  * FILE  : ldd.c
   4  * AUTHOR: Emanuele ALIBERTI
   5  * DATE  : 2000-08-04
   6  * DESC  : List DOS devices, i.e. symbolic links created
   7  *         in the \?? object manager's name space.
   8  */
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <stdarg.h>
  12
  13 #include <windef.h>
  14 #include <winbase.h>
  15
  16
  17 #include <reactos/buildno.h>
  18
  19 #include "win32err.h"
  20
  21 #define LINKS_SIZE 32768
  22 #define DEVICE_SIZE 8192
  23
  24 static char SymbolicLinks [LINKS_SIZE];
  25 static char DosDeviceName [DEVICE_SIZE];
  26
  27 static char DeviceNames [DEVICE_SIZE];
  28 static char DeviceName [DEVICE_SIZE];
  29
  30
  31 BOOL
  32 STDCALL
  33 GetNextString (
  34         char *  BufferIn,
  35         char *  BufferOut,
  36         char ** Next
  37         )
  38 {
  39         char * next = *Next;
  40         char * w;
  41
  42         if ('\0' == *next) return FALSE;
  43         for (   w = BufferOut;
  44                 ('\0' != *next);
  45                 next ++
  46                 )
  47         {
  48                 *(w ++) = *next;
  49         }
  50         *w = '\0';
  51         *Next = ++ next;
  52         return TRUE;
  53 }
  54
  55
  56 int
  57 main (int argc, char * argv [] )
  58 {
  59         printf (
  60                 "ReactOS %s - List DOS Devices Utility\n"
  61                 "Written by E.Aliberti (%s)\n\n",
  62                 KERNEL_RELEASE_STR,
  63                 __DATE__
  64                 );
  65
  66         if (0 != QueryDosDevice (
  67                         NULL, /* dump full directory */
  68                         SymbolicLinks,
  69                         sizeof SymbolicLinks
  70                         )
  71                 )
  72         {
  73                 char * NextDosDevice = SymbolicLinks;
  74                 char * NextDevice;
  75
  76                 while (TRUE == GetNextString (
  77                                         SymbolicLinks,
  78                                         DosDeviceName,
  79                                         & NextDosDevice
  80                                         )
  81                                 )
  82                 {
  83                         printf ("%s\n", DosDeviceName);
  84                         if (0 != QueryDosDevice (
  85                                         DosDeviceName,
  86                                         DeviceNames,
  87                                         sizeof DeviceNames
  88                                         )
  89                                 )
  90                         {
  91                                 NextDevice = DeviceNames;
  92                                 while (TRUE == GetNextString (
  93                                                         DeviceNames,
  94                                                         DeviceName,
  95                                                         & NextDevice
  96                                                 )
  97                                         )
  98                                 {
  99                                         printf ("  -> \"%s\"\n", DeviceName);
 100                                 }
 101                         }
 102                         else
 103                         {
 104                                 PrintWin32Error (
 105                                         L"ldd: ",
 106                                         GetLastError ()
 107                                         );
 108                         }
 109                         printf ("\n");
 110                 }
 111         }
 112         else
 113         {
 114                 PrintWin32Error (
 115                         L"ldd: ",
 116                         GetLastError ()
 117                         );
 118                 return EXIT_FAILURE;
 119         }
 120         return EXIT_SUCCESS;
 121 }
 122
 123
 124 /* EOF */