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 /*
  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 <WINGs/WUtil.h>
  40
  41 #include <pwd.h>
  42
  43
  44 char *ProgName;
  45
  46 char*
  47 gethomedir()
  48 {
  49     char *home = getenv("HOME");
  50     struct passwd *user;
  51
  52     if (home)
  53       return home;
  54
  55     user = getpwuid(getuid());
  56     if (!user) {
  57         perror(ProgName);
  58         return "/";
  59     }
  60     if (!user->pw_dir) {
  61         return "/";
  62     } else {
  63         return user->pw_dir;
  64     }
  65 }
  66
  67
  68
  69 void wAbort()
  70 {
  71     exit(0);
  72 }
  73
  74 void help()
  75 {
  76     printf("Syntax:\n%s [OPTIONS] <domain> <option>\n", ProgName);
  77     puts("");
  78     puts("  --help              display this help message");
  79     puts("  --version           output version information and exit");
  80     exit(1);
  81 }
  82
  83
  84 int main(int argc, char **argv)
  85 {
  86     char path[256];
  87     WMPropList *key, *value, *dict;
  88     char *gsdir;
  89     int i;
  90
  91     ProgName = argv[0];
  92
  93     for (i = 1; i < argc; i++) {
  94         if (strcmp("--help", argv[i])==0) {
  95             help();
  96             exit(0);
  97         } else if (strcmp("--version", argv[i])==0) {
  98             puts(PROG_VERSION);
  99             exit(0);
 100         }
 101     }
 102
 103     if (argc<3) {
 104         printf("%s: invalid argument format\n", ProgName);
 105         printf("Try '%s --help' for more information\n", ProgName);
 106         exit(1);
 107     }
 108
 109     key = WMCreatePLString(argv[2]);
 110
 111     gsdir = getenv("GNUSTEP_USER_ROOT");
 112     if (gsdir) {
 113         strcpy(path, gsdir);
 114     } else {
 115         strcpy(path, gethomedir());
 116         strcat(path, "/GNUstep");
 117     }
 118     strcat(path, "/");
 119     strcat(path, DEFAULTS_DIR);
 120     strcat(path, "/");
 121     strcat(path, argv[1]);
 122
 123     if ((dict = WMReadPropListFromFile(path)) == NULL)
 124         return 1;       /* bad domain */
 125     if ((value = WMGetFromPLDictionary(dict, key)) == NULL)
 126         return 2;       /* bad key */
 127
 128     printf("%s\n", WMGetPropListDescription(value, True));
 129     return 0;
 130 }
 131
 132