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-rw-r--r--src/shared/debugfs.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/shared/debugfs.c b/src/shared/debugfs.c
new file mode 100644
index 00000000..f522c518
--- /dev/null
+++ b/src/shared/debugfs.c
@@ -0,0 +1,66 @@
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2012 Intel Corporation. All rights reserved.
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <limits.h>
+
+#include "src/shared/debugfs.h"
+
+#define STRINGIFY(x) STRINGIFY_ARG(x)
+#define STRINGIFY_ARG(x) #x
+
+const char *debugfs_get_path(void)
+{
+ static char path[PATH_MAX + 1];
+ static bool found = false;
+ char type[100];
+ FILE *fp;
+
+ if (found)
+ return path;
+
+ fp = fopen("/proc/mounts", "r");
+ if (!fp)
+ return NULL;
+
+ while (fscanf(fp, "%*s %" STRINGIFY(PATH_MAX) "s %99s %*s %*d %*d\n",
+ path, type) == 2) {
+ if (!strcmp(type, "debugfs")) {
+ found = true;
+ break;
+ }
+ }
+
+ fclose(fp);
+
+ if (!found)
+ return NULL;
+
+ return path;
+}