char *sstrdup (const char *s)
{
char *r;
+ size_t sz;
if (s == NULL)
return (NULL);
- if((r = strdup (s)) == NULL)
+ /* Do not use `strdup' here, because it's not specified in POSIX. It's
+ * ``only'' an XSI extension. */
+ sz = strlen (s) + 1;
+ r = (char *) malloc (sizeof (char) * sz);
+ if (r == NULL)
{
- ERROR ("Not enough memory.");
+ ERROR ("sstrdup: Out of memory.");
exit (3);
}
+ memcpy (r, s, sizeof (char) * sz);
return (r);
} /* char *sstrdup */
#else
if (ksp == NULL)
{
- fprintf (stderr, "ERROR: %s:%i: ksp == NULL\n", __FILE__, __LINE__);
+ ERROR ("ERROR: %s:%i: ksp == NULL\n", __FILE__, __LINE__);
return (-1LL);
}
else if (ksp->ks_type != KSTAT_TYPE_NAMED)
{
- fprintf (stderr, "ERROR: %s:%i: ksp->ks_type != KSTAT_TYPE_NAMED\n", __FILE__, __LINE__);
+ ERROR ("ERROR: %s:%i: ksp->ks_type != KSTAT_TYPE_NAMED\n", __FILE__, __LINE__);
return (-1LL);
}
#endif
return (0);
} /* int notification_init */
-int walk_directory (const char *dir, dirwalk_callback_f callback)
+int walk_directory (const char *dir, dirwalk_callback_f callback,
+ void *user_data)
{
struct dirent *ent;
DIR *dh;
- int ok = 0;
+ int success;
+ int failure;
+
+ success = 0;
+ failure = 0;
if ((dh = opendir (dir)) == NULL)
{
char errbuf[1024];
- ERROR ("Cannot open '%s': %s", dir,
+ ERROR ("walk_directory: Cannot open '%s': %s", dir,
sstrerror (errno, errbuf, sizeof (errbuf)));
return -1;
}
while ((ent = readdir (dh)) != NULL)
{
+ int status;
+
if (ent->d_name[0] == '.')
continue;
- if (!callback(ent->d_name))
- ++ok;
+ status = (*callback) (dir, ent->d_name, user_data);
+ if (status != 0)
+ failure++;
+ else
+ success++;
}
closedir (dh);
- return ok ? 0 : -1;
+ if ((success == 0) && (failure > 0))
+ return (-1);
+ return (0);
}
int read_file_contents (const char *filename, char *buf, int bufsize)
return n;
}
+counter_t counter_diff (counter_t old_value, counter_t new_value)
+{
+ counter_t diff;
+
+ if (old_value > new_value)
+ {
+ if (old_value <= 4294967295U)
+ diff = (4294967295U - old_value) + new_value;
+ else
+ diff = (18446744073709551615ULL - old_value)
+ + new_value;
+ }
+ else
+ {
+ diff = new_value - old_value;
+ }
+ return (diff);
+} /* counter_t counter_to_gauge */