Initial git repository creation, version 0.3.1 plus changes

1 files changed, 81 insertions, 0 deletions

diff --git a/attributes.cc b/attributes.cc
new file mode 100644
index 0000000..1a299ea
--- /dev/null
+++ b/attributes.cc
@@ -0,0 +1,81 @@
+// attributes.cc
+// Class to manage partition attribute codes. These are binary bit fields,
+// of which only three are currently (2/2009) documented on Wikipedia.
+
+#define __STDC_LIMIT_MACROS
+#define __STDC_CONSTANT_MACROS
+
+#include <string.h>
+#include <stdint.h>
+#include <stdio.h>
+#include "attributes.h"
+
+using namespace std;
+
+// Constructor. Its main task is to initialize the attribute name
+// data.
+Attributes::Attributes(void) {
+   int i;
+   char temp[ATR_NAME_SIZE];
+
+   // Most bits are undefined, so start by giving them an
+   // appropriate name
+   for (i = 1; i < NUM_ATR; i++) {
+      sprintf(temp, "Undefined bit #%d", i);
+      strcpy(atNames[i], temp);
+   } // for
+
+   // Now reset those names that are defined....
+   strcpy(atNames[0], "system partition");
+   strcpy(atNames[60], "read-only");
+   strcpy(atNames[62], "hidden");
+   strcpy(atNames[63], "do not automount");
+} // Attributes constructor
+
+// Destructor.
+Attributes::~Attributes(void) {
+} // Attributes destructor
+
+// Display current attributes to user
+void Attributes::DisplayAttributes(void) {
+   int i;
+
+   printf("Attribute value is %llX. Set fields are:\n",
+          (unsigned long long) attributes);
+   for (i = 0; i < NUM_ATR; i++) {
+      if (((attributes >> i) % 2) == 1) { // bit is set
+/*         if (strncmp("Undefined", atNames[i], 9) != 0)
+            printf("%s\n", atNames[i]); */
+         if (strncmp("Undefined", atNames[NUM_ATR - i - 1], 9) != 0)
+            printf("%s\n", atNames[NUM_ATR - i - 1]);
+      } // if
+   } // for
+} // Attributes::DisplayAttributes()
+
+// Prompt user for attribute changes
+void Attributes::ChangeAttributes(void) {
+   int response, i;
+   uint64_t bitValue;
+
+   printf("Known attributes are:\n");
+   for (i = 0; i < NUM_ATR; i++) {
+      if (strncmp("Undefined", atNames[i], 9) != 0)
+         printf("%d - %s\n", i, atNames[i]);
+   } // for
+
+   do {
+      response = GetNumber(0, 64, -1, "Toggle which attribute field (0-63, 64 to exit): ");
+      if (response != 64) {
+         bitValue = PowerOf2(NUM_ATR - response - 1); // Find the integer value of the bit
+//         bitValue = PowerOf2(response); // Find the integer value of the bit
+         if ((bitValue & attributes) == bitValue) { // bit is set
+            attributes -= bitValue; // so unset it
+	    printf("Have disabled the '%s' attribute.\n", atNames[response]);
+         } else { // bit is not set
+            attributes += bitValue; // so set it
+	    printf("Have enabled the '%s' attribute.\n", atNames[response]);
+         } // if/else
+      } // if
+   } while (response != 64);
+} // Attributes::ChangeAttributes()
+