void fbh_destroy (fbhash_t *h) /* {{{ */
{
if (h == NULL)
return;
free (h->filename);
fbh_free_tree (h->tree);
} /* }}} void fbh_destroy */
void fbh_destroy (fbhash_t *h) /* {{{ */
{
if (h == NULL)
return;
pthread_mutex_destroy (&h->lock);
free (h->filename);
fbh_free_tree (h->tree);
} /* }}} void fbh_destroy */
static int fbh_read_file (fbhash_t *h) /* {{{ */
{
FILE *fh;
char buffer[4096];
struct flock fl;
c_avl_tree_t *tree;
int status;
fh = fopen (h->filename, "r");
if (fh == NULL)
return (-1);
memset (&fl, 0, sizeof (fl));
fl.l_type = F_RDLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0; /* == entire file */
/* TODO: Lock file? -> fcntl */
status = fcntl (fileno (fh), F_SETLK, &fl);
if (status != 0)
{
fclose (fh);
return (-1);
}
tree = c_avl_create ((void *) strcmp);
if (tree == NULL)
{
fclose (fh);
return (-1);
}
/* Read `fh' into `tree' */
while (fgets (buffer, sizeof (buffer), fh) != NULL) /* {{{ */
{
size_t len;
char *key;
char *value;
char *key_copy;
char *value_copy;
buffer[sizeof (buffer) - 1] = 0;
len = strlen (buffer);
/* Remove trailing newline characters. */
while ((len > 0)
&& ((buffer[len - 1] == '\n') || (buffer[len - 1] == '\r')))
{
len--;
buffer[len] = 0;
}
/* Seek first non-space character */
key = buffer;
while ((*key != 0) && isspace ((int) *key))
key++;
/* Skip empty lines and comments */
if ((key[0] == 0) || (key[0] == '#'))
continue;
/* Seek first colon */
value = strchr (key, ':');
if (value == NULL)
continue;
/* Null-terminate `key'. */
*value = 0;
value++;
/* Skip leading whitespace */
while ((*value != 0) && isspace ((int) *value))
value++;
/* Skip lines without value */
if (value[0] == 0)
continue;
key_copy = strdup (key);
value_copy = strdup (value);
if ((key_copy == NULL) || (value_copy == NULL))
{
free (key_copy);
free (value_copy);
continue;
}
status = c_avl_insert (tree, key_copy, value_copy);
if (status != 0)
{
free (key_copy);
free (value_copy);
continue;
}
DEBUG ("utils_fbhash: fbh_read_file: key = %s; value = %s;",
key, value);
} /* }}} while (fgets) */
fclose (fh);
fbh_free_tree (h->tree);
h->tree = tree;
return (0);
} /* }}} int fbh_read_file */