Use readdir() instead of the deprecated readdir_r().

[collectd.git] / src / vserver.c

diff --git a/src/vserver.c b/src/vserver.c
index d80717c..54b3623 100644 (file)
--- a/src/vserver.c
+++ b/src/vserver.c
@@ -3,22 +3,27 @@
  * Copyright (C) 2006,2007  Sebastian Harl
  * Copyright (C) 2007-2010  Florian octo Forster
  *
- * 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; only version 2 of the license is applicable.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
  *
- * 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  *
- * 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.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
  *
  * Authors:
  *   Sebastian Harl <sh at tokkee.org>
- *   Florian octo Forster <octo at verplant.org>
+ *   Florian octo Forster <octo at collectd.org>
  **/
 
 #include "collectd.h"
@@ -126,15 +131,7 @@ static derive_t vserver_get_sock_bytes(const char *s)
 
 static int vserver_read (void)
 {
-#if NAME_MAX < 1024
-# define DIRENT_BUFFER_SIZE (sizeof (struct dirent) + 1024 + 1)
-#else
-# define DIRENT_BUFFER_SIZE (sizeof (struct dirent) + NAME_MAX + 1)
-#endif
-
-       DIR                     *proc;
-       struct dirent   *dent; /* 42 */
-       char dirent_buffer[DIRENT_BUFFER_SIZE];
+       DIR *proc;
 
        errno = 0;
        proc = opendir (PROCDIR);
@@ -148,6 +145,7 @@ static int vserver_read (void)
 
        while (42)
        {
+               struct dirent *dent;
                int len;
                char file[BUFSIZE];
 
@@ -159,20 +157,20 @@ static int vserver_read (void)
 
                int status;
 
-               status = readdir_r (proc, (struct dirent *) dirent_buffer, &dent);
-               if (status != 0)
+               errno = 0;
+               dent = readdir (proc);
+               if (dent == NULL)
                {
                        char errbuf[4096];
-                       ERROR ("vserver plugin: readdir_r failed: %s",
-                                       sstrerror (errno, errbuf, sizeof (errbuf)));
+
+                       if (errno == 0) /* end of directory */
+                               break;
+
+                       ERROR ("vserver plugin: failed to read directory %s: %s",
+                                       PROCDIR, sstrerror (errno, errbuf, sizeof (errbuf)));
                        closedir (proc);
                        return (-1);
                }
-               else if (dent == NULL)
-               {
-                       /* end of directory */
-                       break;
-               }
 
                if (dent->d_name[0] == '.')
                        continue;