X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=device_posix.c;h=5a28dcdc5ecb4c0be201c81c0bd14081bcb05072;hb=b1e873c5b2f6376bb39ff0fda1464cbbacbae5f7;hp=6362a9aa53f9aa5d61469309f99dde239487b0e6;hpb=224b4e6d27a3af235500d9d8028ddbd3a60af7ed;p=debian%2Fcpmtools

diff --git a/device_posix.c b/device_posix.c
index 6362a9a..5a28dcd 100644
--- a/device_posix.c
+++ b/device_posix.c
@@ -3,6 +3,7 @@
 
 #include <assert.h>
 #include <errno.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -22,11 +23,13 @@ const char *Device_open(struct Device *this, const char *filename, int mode, con
 }
 /*}}}*/
 /* 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)
 {
   this->secLength=secLength;
   this->sectrk=sectrk;
   this->tracks=tracks;
+  this->offset=offset;
+  return NULL;
 }
 /*}}}*/
 /* Device_close          -- Close an image file                     */ /*{{{*/
@@ -41,11 +44,13 @@ const char *Device_readSector(const struct Device *this, int track, int sector,
 {
   int res;
 
+  assert(this);
   assert(sector>=0);
   assert(sector<this->sectrk);
   assert(track>=0);
   assert(track<this->tracks);
-  if (lseek(this->fd,(off_t)(sector+track*this->sectrk)*this->secLength,SEEK_SET)==-1) 
+  assert(buf);
+  if (lseek(this->fd,(off_t)(((sector+track*this->sectrk)*this->secLength)+this->offset),SEEK_SET)==-1) 
   {
     return strerror(errno);
   }
@@ -67,7 +72,7 @@ const char *Device_writeSector(const struct Device *this, int track, int sector,
   assert(sector<this->sectrk);
   assert(track>=0);
   assert(track<this->tracks);
-  if (lseek(this->fd,(off_t)(sector+track*this->sectrk)*this->secLength, SEEK_SET)==-1)
+  if (lseek(this->fd,(off_t)(((sector+track*this->sectrk)*this->secLength)+this->offset),SEEK_SET)==-1)
   {
     return strerror(errno);
   }