mdw@git.distorted.org.uk Git - disorder/blob - disobedience/help.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2007, 2008 Richard Kettlewell
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 /** @file disobedience/help.c
  19  * @brief Help support
  20  */
  21
  22 #include "disobedience.h"
  23 #include <sys/wait.h>
  24 #include <unistd.h>
  25
  26 /** @brief Display the manual page */
  27 void popup_help(const char *what) {
  28   char *path;
  29   pid_t pid;
  30   int w;
  31
  32   if(!what)
  33     what = "index.html";
  34   byte_xasprintf(&path, "%s/%s", dochtmldir, what);
  35   if(!(pid = xfork())) {
  36     exitfn = _exit;
  37     if(!xfork()) {
  38       execlp(browser, browser, path, (char *)0);
  39       disorder_fatal(errno, "error executing %s", browser);
  40     }
  41     _exit(0);
  42   }
  43   while(waitpid(pid, &w, 0) < 0 && errno == EINTR)
  44     ;
  45 }
  46
  47 /*
  48 Local Variables:
  49 c-basic-offset:2
  50 comment-column:40
  51 fill-column:79
  52 indent-tabs-mode:nil
  53 End:
  54 */