Add find contitions to check for timestamps.

libisofs/libisofs.h

@@ -2225,6 +2225,70 @@ IsoFindCondition *iso_new_find_conditions_gid(gid_t gid);
  */
 IsoFindCondition *iso_new_find_conditions_uid(uid_t uid);
 
+/**
+ * Possible comparison between IsoNode and given conditions.
+ * 
+ * @since 0.6.4
+ */
+enum iso_find_comparisons {
+    ISO_FIND_COND_GREATER,
+    ISO_FIND_COND_GREATER_OR_EQUAL,
+    ISO_FIND_COND_EQUAL,
+    ISO_FIND_COND_LESS,
+    ISO_FIND_COND_LESS_OR_EQUAL
+};
+
+/**
+ * Create a new condition that checks the time of last access.
+ * 
+ * @param time
+ *      Time to compare against IsoNode atime.
+ * @param comparison
+ *      Comparison to be done between IsoNode atime and submitted time.
+ *      Note that ISO_FIND_COND_GREATER, for example, is true if the node
+ *      time is greater than the submitted time.
+ * @result
+ *      The created IsoFindCondition, NULL on error.
+ * 
+ * @since 0.6.4
+ */
+IsoFindCondition *iso_new_find_conditions_atime(time_t time, 
+                      enum iso_find_comparisons comparison);
+
+/**
+ * Create a new condition that checks the time of last modification.
+ * 
+ * @param time
+ *      Time to compare against IsoNode mtime.
+ * @param comparison
+ *      Comparison to be done between IsoNode mtime and submitted time.
+ *      Note that ISO_FIND_COND_GREATER, for example, is true if the node
+ *      time is greater than the submitted time.
+ * @result
+ *      The created IsoFindCondition, NULL on error.
+ * 
+ * @since 0.6.4
+ */
+IsoFindCondition *iso_new_find_conditions_mtime(time_t time, 
+                      enum iso_find_comparisons comparison);
+
+/**
+ * Create a new condition that checks the time of last status change.
+ * 
+ * @param time
+ *      Time to compare against IsoNode ctime.
+ * @param comparison
+ *      Comparison to be done between IsoNode ctime and submitted time.
+ *      Note that ISO_FIND_COND_GREATER, for example, is true if the node
+ *      time is greater than the submitted time.
+ * @result
+ *      The created IsoFindCondition, NULL on error.
+ * 
+ * @since 0.6.4
+ */
+IsoFindCondition *iso_new_find_conditions_ctime(time_t time, 
+                      enum iso_find_comparisons comparison);
+
 /**
  * Find all directory children that match the given condition.
  *