X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=device_win32.c;h=1829443242c47233973a24a96e5dbb521d994e69;hb=b1e873c5b2f6376bb39ff0fda1464cbbacbae5f7;hp=b8aef9b3e584d0eb98f96de5910a07ab766ecd61;hpb=669a947da532682fcdb01a4fcbb0d9418206bcd0;p=debian%2Fcpmtools

diff --git a/device_win32.c b/device_win32.c
index b8aef9b..1829443 100644
--- a/device_win32.c
+++ b/device_win32.c
@@ -2,8 +2,8 @@
 #include "config.h"
 
 #include <assert.h>
-#include <errno.h>
 #include <ctype.h>
+#include <errno.h>
 #include <stdio.h>
 
 #include "cpmdir.h"
@@ -385,18 +385,23 @@ const char *Device_open(struct Device *sb, const char *filename, int mode, const
 }
 /*}}}*/
 /* Device_setGeometry    -- Set disk geometry                       */ /*{{{*/
-void Device_setGeometry(struct Device *this, int secLength, int sectrk, int tracks)
+const char * Device_setGeometry(struct Device *this, int secLength, int sectrk, int tracks, off_t offset, const char *libdskGeometry)
 {
   int n;
 
   this->secLength=secLength;
   this->sectrk=sectrk;
   this->tracks=tracks;
+  // Bill Buckels - add this->offset
+  this->offset=offset;
+
+
+  // Bill Buckels - not sure what to do here
   if (this->drvtype == CPMDRV_WIN95)
   {
       DRIVEPARAMS drvp;
       memset(&drvp, 0, sizeof(drvp));
-      if (GetDriveParams( this->hdisk, this->fd, &drvp )) return;
+      if (GetDriveParams( this->hdisk, this->fd, &drvp )) return "GetDriveParams failed";
 
       drvp.bytespersector  = secLength;
       drvp.sectorspertrack = sectrk;
@@ -443,6 +448,7 @@ void Device_setGeometry(struct Device *this, int secLength, int sectrk, int trac
   */
       SetDriveParams( this->hdisk, this->fd, &drvp );
   }
+  return NULL;
 }
 /*}}}*/
 /* Device_close          -- Close an image file                     */ /*{{{*/
@@ -484,7 +490,8 @@ const char *Device_readSector(const struct Device *drive, int track, int sector,
         LPVOID iobuffer;
         DWORD  bytesread;
     
-        if (SetFilePointer(drive->hdisk, offset, NULL, FILE_BEGIN) == INVALID_FILE_SIZE)
+        // Bill Buckels - add drive->offset
+        if (SetFilePointer(drive->hdisk, offset+drive->offset, NULL, FILE_BEGIN) == INVALID_FILE_SIZE)
         {
             return strwin32error();
         }
@@ -511,6 +518,7 @@ const char *Device_readSector(const struct Device *drive, int track, int sector,
         return NULL;
   }
 
+  // Bill Buckels - not sure what to do here
   if (drive->drvtype == CPMDRV_WIN95)
   {
         DIOC_REGISTERS reg;
@@ -552,7 +560,8 @@ const char *Device_readSector(const struct Device *drive, int track, int sector,
         return 0;
   }
 
-  if (lseek(drive->fd,offset,SEEK_SET)==-1)
+  // Bill Buckels - add drive->offset
+  if (lseek(drive->fd,offset+drive->offset,SEEK_SET)==-1)
   {
     return strerror(errno);
   }
@@ -585,7 +594,8 @@ const char *Device_writeSector(const struct Device *drive, int track, int sector
         LPVOID iobuffer;
         DWORD  byteswritten;
 
-        if (SetFilePointer(drive->hdisk, offset, NULL, FILE_BEGIN) == INVALID_FILE_SIZE)
+        // Bill Buckels - add drive->offset
+        if (SetFilePointer(drive->hdisk, offset+drive->offset, NULL, FILE_BEGIN) == INVALID_FILE_SIZE)
         {
             return strwin32error();
         }
@@ -607,6 +617,7 @@ const char *Device_writeSector(const struct Device *drive, int track, int sector
         return NULL;
   }
 
+  // Bill Buckels - not sure what to do here
   if (drive->drvtype == CPMDRV_WIN95)
   {
         DIOC_REGISTERS reg;
@@ -648,7 +659,8 @@ const char *Device_writeSector(const struct Device *drive, int track, int sector
         return NULL;
   }
 
-  if (lseek(drive->fd,offset, SEEK_SET)==-1)
+  // Bill Buckels - add drive->offset
+  if (lseek(drive->fd,offset+drive->offset, SEEK_SET)==-1)
   {
     return strerror(errno);
   }