awesome-client.c

   1 /*
   2  * awesome-client.c - awesome client, communicate with socket
   3  *
   4  * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
   5  * Copyright © 2007 daniel@brinkers.de
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include <errno.h>
  24 #include <stdio.h>
  25 #include <unistd.h>
  26 #include <sys/socket.h>
  27 #include <sys/un.h>
  28
  29 #include "awesome-client.h"
  30 #include "util.h"
  31
  32 /* GNU/Hurd workaround */
  33 #ifndef MSG_NOSIGNAL
  34 #define MSG_NOSIGNAL 0
  35 #endif
  36
  37 int
  38 main(void)
  39 {
  40     struct sockaddr_un *addr;
  41     char buf[1024], *msg;
  42     int csfd, ret_value = EXIT_SUCCESS;
  43     ssize_t len, msg_len = 1;
  44
  45     csfd = get_client_socket();
  46     addr = get_client_addr(getenv("DISPLAY"));
  47
  48     if(!addr || csfd < 0)
  49         return EXIT_FAILURE;
  50
  51     msg = p_new(char, 1);
  52     while(fgets(buf, sizeof(buf), stdin))
  53     {
  54         len = a_strlen(buf);
  55         msg_len += len;
  56         p_realloc(&msg, msg_len);
  57         a_strncat(msg, msg_len, buf, len);
  58     }
  59
  60     if(sendto(csfd, buf, a_strlen(buf), MSG_NOSIGNAL,
  61               (const struct sockaddr *) addr, sizeof(struct sockaddr_un)) == -1)
  62     {
  63         switch (errno)
  64         {
  65           case ENOENT:
  66               warn("Can't write to %s\n", addr->sun_path);
  67               break;
  68           default:
  69               perror("error sending datagram");
  70          }
  71          ret_value = errno;
  72     }
  73
  74     close(csfd);
  75
  76     p_delete(&msg);
  77     p_delete(&addr);
  78
  79     return ret_value;
  80 }
  81 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80