| 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 | #if __APPLE__ |
| 35 | if(!strcmp(browser, "open")) |
| 36 | /* Apple's open(1) isn't really a web browser so needs some extra hints |
| 37 | * that it should see the argument as a URL. Otherwise it doesn't treat # |
| 38 | * specially. A better answer would be to identify the system web browser |
| 39 | * and invoke it directly. */ |
| 40 | byte_xasprintf(&path, "file:///%s/%s", dochtmldir, what); |
| 41 | else |
| 42 | #endif |
| 43 | byte_xasprintf(&path, "%s/%s", dochtmldir, what); |
| 44 | if(!(pid = xfork())) { |
| 45 | exitfn = _exit; |
| 46 | if(!xfork()) { |
| 47 | execlp(browser, browser, path, (char *)0); |
| 48 | disorder_fatal(errno, "error executing %s", browser); |
| 49 | } |
| 50 | _exit(0); |
| 51 | } |
| 52 | while(waitpid(pid, &w, 0) < 0 && errno == EINTR) |
| 53 | ; |
| 54 | } |
| 55 | |
| 56 | /* |
| 57 | Local Variables: |
| 58 | c-basic-offset:2 |
| 59 | comment-column:40 |
| 60 | fill-column:79 |
| 61 | indent-tabs-mode:nil |
| 62 | End: |
| 63 | */ |