util/wdread.c

   1 /* wdread.c - read value from defaults database
   2  *
   3  *  WindowMaker window manager
   4  *
   5  *  Copyright (c) 1997-2003 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  * WindowMaker defaults DB reader
  28  */
  29
  30 #include "../src/wconfig.h"
  31
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <stdio.h>
  35 #include <unistd.h>
  36
  37 #include <WINGs/WUtil.h>
  38
  39 #include <pwd.h>
  40
  41 char *ProgName;
  42
  43 char *gethomedir()
  44 {
  45         char *home = getenv("HOME");
  46         struct passwd *user;
  47
  48         if (home)
  49                 return home;
  50
  51         user = getpwuid(getuid());
  52         if (!user) {
  53                 perror(ProgName);
  54                 return "/";
  55         }
  56         if (!user->pw_dir) {
  57                 return "/";
  58         } else {
  59                 return user->pw_dir;
  60         }
  61 }
  62
  63 void wAbort()
  64 {
  65         exit(0);
  66 }
  67
  68 void help()
  69 {
  70         printf("Syntax:\n%s [OPTIONS] <domain> <option>\n", ProgName);
  71         puts("");
  72         puts("  --help          display this help message");
  73         puts("  --version               output version information and exit");
  74         exit(1);
  75 }
  76
  77 int main(int argc, char **argv)
  78 {
  79         char path[256];
  80         WMPropList *key, *value, *dict;
  81         char *gsdir;
  82         int i;
  83
  84         ProgName = argv[0];
  85
  86         for (i = 1; i < argc; i++) {
  87                 if (strcmp("--help", argv[i]) == 0) {
  88                         help();
  89                         exit(0);
  90                 } else if (strcmp("--version", argv[i]) == 0) {
  91                         puts(PROG_VERSION);
  92                         exit(0);
  93                 }
  94         }
  95
  96         if (argc < 3) {
  97                 printf("%s: invalid argument format\n", ProgName);
  98                 printf("Try '%s --help' for more information\n", ProgName);
  99                 exit(1);
 100         }
 101
 102         key = WMCreatePLString(argv[2]);
 103
 104         gsdir = getenv("GNUSTEP_USER_ROOT");
 105         if (gsdir) {
 106                 strcpy(path, gsdir);
 107         } else {
 108                 strcpy(path, gethomedir());
 109                 strcat(path, "/GNUstep");
 110         }
 111         strcat(path, "/");
 112         strcat(path, DEFAULTS_DIR);
 113         strcat(path, "/");
 114         strcat(path, argv[1]);
 115
 116         if ((dict = WMReadPropListFromFile(path)) == NULL)
 117                 return 1;       /* bad domain */
 118         if ((value = WMGetFromPLDictionary(dict, key)) == NULL)
 119                 return 2;       /* bad key */
 120
 121         printf("%s\n", WMGetPropListDescription(value, True));
 122         return 0;
 123 }