1 files changed, 124 insertions, 0 deletions
diff --git a/inode.c b/inode.c
new file mode 100644
index 000000000..52b4faf17
--- /dev/null
+++ b/inode.c
@@ -0,0 +1,124 @@
+/* -*- mode: C; c-file-style: "linux" -*- */
+
+/* MemProf -- memory profiler and leak detector
+ * Copyright 1999, 2000, 2001, Red Hat, Inc.
+ * Copyright 2002, Kristian Rietveld
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+/*====*/
+
+#include <glib.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include "memprof.h"
+
+/************************************************************
+ * Inode finding code - not needed for kernel 2.2 or greater
+ ************************************************************/
+
+GHashTable *inode_table = NULL;
+
+typedef struct {
+	dev_t device;
+	ino_t inode;
+	gchar *name;
+} Inode;
+
+static guint
+inode_hash (gconstpointer data)
+{
+	return (((Inode *)data)->device + (((Inode *)data)->inode << 11));
+}
+
+static gint
+inode_compare (gconstpointer a, gconstpointer b)
+{
+	return ((((Inode *)a)->device == ((Inode *)b)->device) &&
+		(((Inode *)a)->inode == ((Inode *)b)->inode));
+}
+
+void
+read_inode (const gchar *path)
+{
+	struct stat stbuf;
+
+	g_return_if_fail (path != NULL);
+
+	if (!inode_table)
+	        inode_table = g_hash_table_new (inode_hash, inode_compare);
+
+	if (!stat (path, &stbuf)) {
+		Inode *inode = g_new (Inode, 1);
+		inode->device = stbuf.st_dev;
+		inode->inode = stbuf.st_ino;
+		if (!g_hash_table_lookup (inode_table, inode)) {
+			inode->name = g_strdup (path);
+			g_hash_table_insert (inode_table, inode, inode);
+		} else
+			g_free (inode);
+	}
+}
+
+static void
+read_inodes ()
+{
+	static const char *directories[] = {
+		"/lib",
+		"/usr/lib",
+		"/usr/X11R6/lib",
+		"/usr/local/lib",
+		"/opt/gnome/lib",
+		NULL
+	};
+
+	const char **dirname;
+
+	for (dirname = directories; *dirname; dirname++)
+	{
+		DIR *dir = opendir (*dirname);
+      
+		if (dir) {
+			struct dirent *ent;
+			while ((ent = readdir (dir))) {
+				gchar buf[1024];
+				snprintf(buf, 1024-1, "%s/%s", *dirname, ent->d_name);
+				read_inode (buf);
+			}
+	  
+			closedir (dir);
+		}
+	}
+}
+
+gchar *
+locate_inode (dev_t device, ino_t inode)
+{
+	Inode lookup;
+	Inode *result;
+
+	lookup.device = device;
+	lookup.inode = inode;
+
+	if (!inode_table)
+		read_inodes ();
+	
+	result = g_hash_table_lookup (inode_table, &lookup);
+	if (result)
+		return result->name;
+	else
+		return NULL;
+}
+