/**
* release a netsnmp_file structure
*
* @retval see close() man page
*/
int
netsnmp_file_release(netsnmp_file * filei)
{
int rc = 0;
if (NULL == filei)
return -1;
if ((filei->fd > 0) && NS_FI_AUTOCLOSE(filei->ns_flags))
rc = close(filei->fd);
if (NULL != filei->name)
free(filei->name); /* no point in SNMP_FREE */
if (NULL != filei->extras)
netsnmp_free_all_list_data(filei->extras);
if (NULL != filei->stats)
free(filei->stats);
SNMP_FREE(filei);
return rc;
}
/**
* process text file, reading into extras
*/
netsnmp_container *
netsnmp_file_text_parse(netsnmp_file *f, netsnmp_container *cin,
int parse_mode, u_int flags, void *context)
{
netsnmp_container *c = cin;
FILE *fin;
int rc;
if (NULL == f)
return NULL;
if ((NULL == c) && (!(flags & PM_FLAG_NO_CONTAINER))) {
c = netsnmp_container_find("text_parse:binary_array");
if (NULL == c)
return NULL;
}
rc = netsnmp_file_open(f);
if (rc < 0) { /** error already logged */
if ((NULL !=c) && (c != cin))
CONTAINER_FREE(c);
return NULL;
}
/*
* get a stream from the file descriptor. This DOES NOT rewind the
* file (if fd was previously opened).
*/
fin = fdopen(f->fd, "r");
if (NULL == fin) {
if (NS_FI_AUTOCLOSE(f->ns_flags))
close(f->fd);
if ((NULL !=c) && (c != cin))
CONTAINER_FREE(c);
return NULL;
}
switch (parse_mode) {
case PM_SAVE_EVERYTHING:
_pm_save_everything(fin, c, flags);
break;
case PM_INDEX_STRING_STRING:
_pm_save_index_string_string(fin, c, flags);
break;
case PM_USER_FUNCTION:
if (NULL != context)
_pm_user_function(fin, c, (netsnmp_line_process_info*)context,
flags);
break;
default:
snmp_log(LOG_ERR, "unknown parse mode %d\n", parse_mode);
break;
}
/*
* close the stream, which will have the side effect of also closing
* the file descriptor, so we need to reset it.
*/
fclose(fin);
f->fd = -1;
return c;
}