Read out part info

dnix-headers/diskpar.h

@@ -37,7 +37,7 @@ struct sysfptr {
 	daddr_t	vdsp;		/* Pointer to volume descriptor block */
 	daddr_t	vdspn;		/* 1:s complement of previous item */
 	daddr_t	cleanfl;	/* Volume clean flag */
-	time_t	timestamp;	/* Timestamp */
+	dnix_time_t	timestamp;	/* Timestamp */
 	daddr_t	x[124];		/* Reserved */
 };
 

dnix-traverse/dnix-traverse.c

@@ -1,24 +1,70 @@
+/*
+
+  compile using : c++ dnix-traverse.cpp -o dnix-traverse
+
+  Program to list and extract files from a DNIX FS. Should also be able to write to a DNIX file system. Possibly even add boot code and other things.
+
+ */
+
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <time.h>
+
 typedef unsigned long daddr_t;
 
-#include "diskpar.h"
-#include "inode.h"
-#include "sysfile.h"
-#include "dir.h"
+
+#pragma pack(push, 1)
+
+#include "../dnix-headers/diskpar.h"
+#include "../dnix-headers/inode.h"
+#include "../dnix-headers/sysfile.h"
+#include "../dnix-headers/dir.h"
+
+#pragma pack(pop)
+
 
 
+class DnixFs {
+  struct sysfptr dnixPartitionInfo;
+  FILE * image;
+ public:
+  DnixFs( FILE * image);
+};
 
 
+struct sysfptr {
+	daddr_t	vdsp;		/* Pointer to volume descriptor block */
+	daddr_t	vdspn;		/* 1:s complement of previous item */
+	daddr_t	cleanfl;	/* Volume clean flag */
+	time_t	timestamp;	/* Timestamp */
+	daddr_t	x[124];		/* Reserved */
+};
+
+
+DixFs:DnixFs(FILE * img) {
+  char buffer[26];
+  image = img;
+  // Read the partition info
+  fread ( (void * ) dnixPartitionInfo, 512, 1 image);
+  strftime(buffer, 26, "%Y-%m-%d %H:%M:%S", localtime(dnixPartitionInfo.timestamp))
+  printf ("Pointer to volume descriptor block: %08lX", dnixPartitionInfo.vdsp);
+  printf ("1:s complement of previous item: %08lX", dnixPartitionInfo.vdspn);
+  printf ("Volume clean flag: %08lX", dnixPartitionInfo.cleanfl);
+  printf ("Timestamp %s", buffer);
+
+}
+
 
 int main (int argc, char ** argv) {
   FILE * image_file;
   int opt;
+  printf("1\n");
   while ((opt = getopt(argc, argv, "d:")) != -1) {
     switch (opt) {
     case 'd':
+      printf("1");
       image_file = fopen (optarg, "r");
       if (image_file == NULL) {
 	perror ("Failure opening file.");
@@ -32,3 +78,6 @@ int main (int argc, char ** argv) {
   }
 
 }
+
+
+

dnix-traverse/dnix-traverse.cpp

@@ -0,0 +1,82 @@
+/*
+
+  compile using : c++ dnix-traverse.cpp -o dnix-traverse
+
+  Program to list and extract files from a DNIX FS. Should also be able to write to a DNIX file system. Possibly even add boot code and other things.
+
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+
+typedef unsigned int daddr_t;
+typedef unsigned int dnix_time_t;
+
+#pragma pack(1)
+
+#include "../dnix-headers/diskpar.h"
+#include "../dnix-headers/inode.h"
+#include "../dnix-headers/sysfile.h"
+#include "../dnix-headers/dir.h"
+
+
+#define swap32(num) (((num>>24)&0xff) | ((num<<8)&0xff0000) | ((num>>8)&0xff00) | ((num<<24)&0xff000000)) 
+
+
+class DnixFs {
+  struct sysfptr dnixPartitionInfo;
+  FILE * image;
+ public:
+  DnixFs();
+  void init( FILE * image );
+};
+
+
+void DnixFs::init(FILE * img) {
+  char buffer[26];
+  struct tm * tm_info;
+  time_t tim;
+  image = img;
+  // Read the partition info
+  fseek (image, 512, SEEK_SET);
+  fread ( (void * ) &dnixPartitionInfo, 512, 1, image);
+  tim = swap32(dnixPartitionInfo.timestamp);
+  tm_info = localtime((time_t *) ( &tim));
+  strftime(buffer, 26, "%Y-%m-%d %H:%M:%S", tm_info);
+  printf ("Pointer to volume descriptor block: %08X\n", swap32(dnixPartitionInfo.vdsp));
+  printf ("1:s complement of previous item: %08X\n", swap32(dnixPartitionInfo.vdspn));
+  printf ("Volume clean flag: %08X\n", swap32(dnixPartitionInfo.cleanfl));
+  printf ("Timestamp %s\n", buffer);
+}
+
+
+DnixFs::DnixFs() {
+}
+
+
+int main (int argc, char ** argv) {
+  FILE * image_file;
+  int opt;
+  class DnixFs dnixFs;
+  while ((opt = getopt(argc, argv, "d:")) != -1) {
+    switch (opt) {
+    case 'd':
+      image_file = fopen (optarg, "r");
+      if (image_file == NULL) {
+	perror ("Failure opening file.");
+	exit(EXIT_FAILURE);
+      }
+      break;
+    default: /* '?' */
+      fprintf(stderr, "Usage: %s [-d disk-image-file]\n", argv[0]);
+      exit(EXIT_FAILURE);
+    }
+  }
+  dnixFs.init(image_file);
+}
+
+
+