csv, rrdtool plugin: Initialize a buffer correctly.

[collectd.git] / src / csv.c

diff --git a/src/csv.c b/src/csv.c
index 62b6b2c..192cf52 100644 (file)
--- a/src/csv.c
+++ b/src/csv.c
@@ -41,7 +41,7 @@ static int value_list_to_string (char *buffer, int buffer_len,
        int status;
        int i;
 
-       memset (buffer, '\0', sizeof (buffer_len));
+       memset (buffer, '\0', buffer_len);
 
        status = snprintf (buffer, buffer_len, "%u", (unsigned int) vl->time);
        if ((status < 1) || (status >= buffer_len))
@@ -142,8 +142,10 @@ static int csv_create_file (const char *filename, const data_set_t *ds)
        csv = fopen (filename, "w");
        if (csv == NULL)
        {
+               char errbuf[1024];
                ERROR ("csv plugin: fopen (%s) failed: %s",
-                               filename, strerror(errno));
+                               filename,
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
                return (-1);
        }
 
@@ -199,7 +201,7 @@ static int csv_write (const data_set_t *ds, const value_list_t *vl)
        if (value_list_to_filename (filename, sizeof (filename), ds, vl) != 0)
                return (-1);
 
-       DEBUG ("filename = %s;", filename);
+       DEBUG ("csv plugin: csv_write: filename = %s;", filename);
 
        if (value_list_to_string (values, sizeof (values), ds, vl) != 0)
                return (-1);
@@ -213,8 +215,10 @@ static int csv_write (const data_set_t *ds, const value_list_t *vl)
                }
                else
                {
-                       ERROR ("stat(%s) failed: %s",
-                                       filename, strerror (errno));
+                       char errbuf[1024];
+                       ERROR ("stat(%s) failed: %s", filename,
+                                       sstrerror (errno, errbuf,
+                                               sizeof (errbuf)));
                        return (-1);
                }
        }
@@ -228,8 +232,9 @@ static int csv_write (const data_set_t *ds, const value_list_t *vl)
        csv = fopen (filename, "a");
        if (csv == NULL)
        {
-               ERROR ("csv plugin: fopen (%s) failed: %s",
-                               filename, strerror (errno));
+               char errbuf[1024];
+               ERROR ("csv plugin: fopen (%s) failed: %s", filename,
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
                return (-1);
        }
        csv_fd = fileno (csv);
@@ -244,8 +249,9 @@ static int csv_write (const data_set_t *ds, const value_list_t *vl)
        status = fcntl (csv_fd, F_SETLK, &fl);
        if (status != 0)
        {
-               ERROR ("csv plugin: flock (%s) failed: %s",
-                               filename, strerror (errno));
+               char errbuf[1024];
+               ERROR ("csv plugin: flock (%s) failed: %s", filename,
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
                fclose (csv);
                return (-1);
        }
@@ -264,4 +270,4 @@ void module_register (void)
        plugin_register_config ("csv", csv_config,
                        config_keys, config_keys_num);
        plugin_register_write ("csv", csv_write);
-}
+} /* void module_register */