util/wdread.c

   1 /* wdread.c - read value from defaults database
   2  *
   3  *  WindowMaker window manager
   4  *
   5  *  Copyright (c) 1997, 1998 Alfredo K. Kojima
   6  *  (cowardly remade from wdwrite.c; by judas@hell on Jan 26 2001)
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21  *  USA.
  22  */
  23
  24 #define PROG_VERSION    "wdread (Window Maker) 0.2"
  25
  26
  27 /*
  28  * WindowMaker defaults DB reader
  29  */
  30
  31
  32 #include "../src/wconfig.h"
  33
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <stdio.h>
  37 #include <unistd.h>
  38
  39 #include <proplist.h>
  40 #include <pwd.h>
  41
  42
  43 char *ProgName;
  44
  45 char*
  46 gethomedir()
  47 {
  48     char *home = getenv("HOME");
  49     struct passwd *user;
  50
  51     if (home)
  52       return home;
  53
  54     user = getpwuid(getuid());
  55     if (!user) {
  56         perror(ProgName);
  57         return "/";
  58     }
  59     if (!user->pw_dir) {
  60         return "/";
  61     } else {
  62         return user->pw_dir;
  63     }
  64 }
  65
  66
  67
  68 void wAbort()
  69 {
  70     exit(0);
  71 }
  72
  73 void help()
  74 {
  75     printf("Syntax:\n%s [OPTIONS] <domain> <option>\n", ProgName);
  76     puts("");
  77     puts("  --help              display this help message");
  78     puts("  --version           output version information and exit");
  79     exit(1);
  80 }
  81
  82
  83 int main(int argc, char **argv)
  84 {
  85     char path[256];
  86     proplist_t key, value, dict;
  87     char *gsdir;
  88     int i;
  89
  90     ProgName = argv[0];
  91
  92     for (i = 1; i < argc; i++) {
  93         if (strcmp("--help", argv[i])==0) {
  94             help();
  95             exit(0);
  96         } else if (strcmp("--version", argv[i])==0) {
  97             puts(PROG_VERSION);
  98             exit(0);
  99         }
 100     }
 101
 102     if (argc<3) {
 103         printf("%s: invalid argument format\n", ProgName);
 104         printf("Try '%s --help' for more information\n", ProgName);
 105         exit(1);
 106     }
 107
 108     key = PLMakeString(argv[2]);
 109
 110     gsdir = getenv("GNUSTEP_USER_ROOT");
 111     if (gsdir) {
 112         strcpy(path, gsdir);
 113     } else {
 114         strcpy(path, gethomedir());
 115         strcat(path, "/GNUstep");
 116     }
 117     strcat(path, "/");
 118     strcat(path, DEFAULTS_DIR);
 119     strcat(path, "/");
 120     strcat(path, argv[1]);
 121
 122     if ((dict = PLGetProplistWithPath(path)) == NULL)
 123         return 1;       // bad domain
 124     if ((value = PLGetDictionaryEntry(dict, key)) == NULL)
 125         return 2;       // bad key
 126
 127     printf("%s\n", PLGetString(value));
 128     return 0;
 129 }
 130
 131