Merge branch 'collectd-5.4'

[collectd.git] / src / utils_cmd_listval.c

diff --git a/src/utils_cmd_listval.c b/src/utils_cmd_listval.c
index 072593f..b698388 100644 (file)
--- a/src/utils_cmd_listval.c
+++ b/src/utils_cmd_listval.c
@@ -1,22 +1,27 @@
 /**
- * collectd - src/utils_cms_listval.c
- * Copyright (C) 2008  Florian octo Forster
+ * collectd - src/utils_cmd_listval.c
+ * Copyright (C) 2008       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.
  *
- * Author:
- *   Florian octo Forster <octo at verplant.org>
+ * Authors:
+ *   Florian octo Forster <octo at collectd.org>
  **/
 
 #include "collectd.h"
@@ -27,19 +32,33 @@
 #include "utils_cache.h"
 #include "utils_parse_option.h"
 
+#define free_everything_and_return(status) do { \
+    size_t j; \
+    for (j = 0; j < number; j++) { \
+      sfree(names[j]); \
+      names[j] = NULL; \
+    } \
+    sfree(names); \
+    sfree(times); \
+    return (status); \
+  } while (0)
+
 #define print_to_socket(fh, ...) \
-  if (fprintf (fh, __VA_ARGS__) < 0) { \
-    char errbuf[1024]; \
-    WARNING ("handle_listval: failed to write to socket #%i: %s", \
-       fileno (fh), sstrerror (errno, errbuf, sizeof (errbuf))); \
-    return -1; \
-  }
+  do { \
+    if (fprintf (fh, __VA_ARGS__) < 0) { \
+      char errbuf[1024]; \
+      WARNING ("handle_listval: failed to write to socket #%i: %s", \
+          fileno (fh), sstrerror (errno, errbuf, sizeof (errbuf))); \
+      free_everything_and_return (-1); \
+    } \
+    fflush(fh); \
+  } while (0)
 
 int handle_listval (FILE *fh, char *buffer)
 {
   char *command;
   char **names = NULL;
-  time_t *times = NULL;
+  cdtime_t *times = NULL;
   size_t number = 0;
   size_t i;
   int status;
@@ -52,20 +71,20 @@ int handle_listval (FILE *fh, char *buffer)
   if (status != 0)
   {
     print_to_socket (fh, "-1 Cannot parse command.\n");
-    return (-1);
+    free_everything_and_return (-1);
   }
   assert (command != NULL);
 
   if (strcasecmp ("LISTVAL", command) != 0)
   {
     print_to_socket (fh, "-1 Unexpected command: `%s'.\n", command);
-    return (-1);
+    free_everything_and_return (-1);
   }
 
   if (*buffer != 0)
   {
     print_to_socket (fh, "-1 Garbage after end of command: %s\n", buffer);
-    return (-1);
+    free_everything_and_return (-1);
   }
 
   status = uc_get_names (&names, &times, &number);
@@ -73,21 +92,16 @@ int handle_listval (FILE *fh, char *buffer)
   {
     DEBUG ("command listval: uc_get_names failed with status %i", status);
     print_to_socket (fh, "-1 uc_get_names failed.\n");
-    return (-1);
+    free_everything_and_return (-1);
   }
 
   print_to_socket (fh, "%i Value%s found\n",
       (int) number, (number == 1) ? "" : "s");
   for (i = 0; i < number; i++)
-  {
-    print_to_socket (fh, "%u %s\n", (unsigned int) times[i], names[i]);
-    sfree(names[i]);
-  }
+    print_to_socket (fh, "%.3f %s\n", CDTIME_T_TO_DOUBLE (times[i]),
+               names[i]);
 
-  sfree(names);
-  sfree(times);
-   
-  return (0);
+  free_everything_and_return (0);
 } /* int handle_listval */
 
 /* vim: set sw=2 sts=2 ts=8 : */