| /* |
| * |
| * 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; |
| } |