1 files changed, 151 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..1a15b4b
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,151 @@
+// -*- mode: c++ -*-
+
+#ifndef H_MATE_SYSTEM_MONITOR_UTIL_1123178725
+#define H_MATE_SYSTEM_MONITOR_UTIL_1123178725
+
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <stddef.h>
+#include <cstring>
+#include <string>
+#include <functional>
+#include <algorithm>
+
+using std::string;
+
+template<typename T>
+inline int procman_cmp(T x, T y)
+{
+	if (x == y)
+		return 0;
+
+	if (x < y)
+		return -1;
+
+	return 1;
+}
+
+#define PROCMAN_CMP(X, Y) procman_cmp((X), (Y))
+#define PROCMAN_RCMP(X, Y) procman_cmp((Y), (X));
+
+GtkWidget*
+procman_make_label_for_mmaps_or_ofiles(const char *format,
+					     const char *process_name,
+					     unsigned pid);
+
+gboolean
+load_symbols(const char *module, ...) G_GNUC_NULL_TERMINATED;
+
+
+void
+procman_debug_real(const char *file, int line, const char *func,
+		   const char *format, ...) G_GNUC_PRINTF(4, 5);
+
+#define procman_debug(FMT, ...) procman_debug_real(__FILE__, __LINE__, __func__, FMT, ##__VA_ARGS__)
+
+inline string make_string(char *c_str)
+{
+	if (!c_str) {
+		procman_debug("NULL string");
+		return string();
+	}
+
+	string s(c_str);
+	g_free(c_str);
+	return s;
+}
+
+
+
+
+template<typename Map>
+class UnrefMapValues
+  : public std::unary_function<void, Map>
+{
+public:
+  void operator()(const typename Map::value_type &it) const
+  {
+    if (it.second)
+      g_object_unref(it.second);
+  }
+};
+
+
+template<typename Map>
+inline void unref_map_values(Map &map)
+{
+  std::for_each(map.begin(), map.end(), UnrefMapValues<Map>());
+}
+
+
+namespace procman
+{
+  void size_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
+			   GtkTreeModel *model, GtkTreeIter *iter,
+			   gpointer user_data);
+
+  void size_na_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
+			      GtkTreeModel *model, GtkTreeIter *iter,
+			      gpointer user_data);
+
+  void duration_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
+			       GtkTreeModel *model, GtkTreeIter *iter,
+			       gpointer user_data);
+
+  void time_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
+			   GtkTreeModel *model, GtkTreeIter *iter,
+			   gpointer user_data);
+
+  void status_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
+			     GtkTreeModel *model, GtkTreeIter *iter,
+			     gpointer user_data);
+
+  template<typename T>
+  void poison(T &t, char c)
+  {
+    memset(&t, c, sizeof t);
+  }
+
+
+
+  //
+  // Stuff to update a tree_store in a smart way
+  //
+
+  template<typename T>
+  void tree_store_update(GtkTreeModel* model, GtkTreeIter* iter, int column, const T& new_value)
+  {
+    T current_value;
+
+    gtk_tree_model_get(model, iter, column, &current_value, -1);
+
+    if (current_value != new_value)
+      gtk_tree_store_set(GTK_TREE_STORE(model), iter, column, new_value, -1);
+  }
+
+  // undefined
+  // catch every thing about pointers
+  // just to make sure i'm not doing anything wrong
+  template<typename T>
+  void tree_store_update(GtkTreeModel* model, GtkTreeIter* iter, int column, T* new_value);
+
+  // specialized versions for strings
+  template<>
+  void tree_store_update<const char>(GtkTreeModel* model, GtkTreeIter* iter, int column, const char* new_value);
+
+  template<>
+  inline void tree_store_update<char>(GtkTreeModel* model, GtkTreeIter* iter, int column, char* new_value)
+  {
+    tree_store_update<const char>(model, iter, column, new_value);
+  }
+
+  gchar* format_size(guint64 size, guint64 max = 0, bool want_bits = false);
+
+  std::string format_rate(guint64 rate, guint64 max_rate = 0, bool want_bits = false);
+
+  std::string format_network(guint64 rate, guint64 max_rate = 0);
+  std::string format_network_rate(guint64 rate, guint64 max_rate = 0);
+}
+
+
+#endif /* H_MATE_SYSTEM_MONITOR_UTIL_1123178725 */