usr/src/cmd/hal/hald-runner/utils.c

   1 /***************************************************************************
   2  * CVSID: $Id$
   3  *
   4  * utils.c - Some utils for the hald runner
   5  *
   6  * Copyright (C) 2006 Sjoerd Simons, <sjoerd@luon.net>
   7  *
   8  * Licensed under the Academic Free License version 2.1
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  23  *
  24  **************************************************************************/
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #define DBUS_API_SUBJECT_TO_CHANGE
  28 #include <dbus/dbus-glib-lowlevel.h>
  29 #include <glib.h>
  30
  31 #include "utils.h"
  32
  33 char **
  34 get_string_array(DBusMessageIter *iter, char *extra)
  35 {
  36         GArray *array;
  37         char **result;
  38         array = g_array_new(TRUE, FALSE, sizeof(char *));
  39
  40         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
  41                 const char *value;
  42                 char *t;
  43                 dbus_message_iter_get_basic(iter, &value);
  44                 t = g_strdup(value);
  45                 g_array_append_vals(array, &t, 1);
  46                 dbus_message_iter_next(iter);
  47         }
  48         if (extra != NULL)
  49                 g_array_append_vals(array, &extra, 1);
  50         result = (char **) array->data;
  51         g_array_free(array, FALSE);
  52         return result;
  53 }
  54
  55 char **
  56 get_string_array_from_fd(int fd)
  57 {
  58         GArray *array;
  59         char **result;
  60         GString *str;
  61         gsize pos;
  62         GIOChannel *io;
  63         int i = 0;
  64
  65         array = g_array_new(TRUE, FALSE, sizeof(char *));
  66         str = g_string_new("");
  67         io = g_io_channel_unix_new(fd);
  68         while (g_io_channel_read_line_string(io, str, &pos, NULL) == G_IO_STATUS_NORMAL && (i++ < 128)) {
  69                 char *t;
  70
  71                 /* Remove the terminting char aka \n */
  72                 g_string_erase(str, pos, 1);
  73                 t = g_strdup(str->str);
  74                 g_array_append_vals(array, &t, 1);
  75         }
  76         g_string_free(str, TRUE);
  77         g_io_channel_unref(io);
  78         result = (char **) array->data;
  79         g_array_free(array, FALSE);
  80         return result;
  81 }
  82
  83 void
  84 free_string_array(char **array)
  85 {
  86         char **p;
  87
  88         for (p = array; p != NULL && *p != NULL; p++)
  89                 g_free(*p);
  90         g_free(array);
  91 }