src/xrdb.c

   1 /* Deal with the X Resource Manager.
   2    Copyright (C) 1990, 1993, 1994, 2000, 2001, 2002, 2003, 2004,
   3                  2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   4
   5 Author: Joseph Arceneaux
   6 Created: 4/90
   7
   8 This file is part of GNU Emacs.
   9
  10 GNU Emacs is free software: you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation, either version 3 of the License, or
  13 (at your option) any later version.
  14
  15 GNU Emacs is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23 #ifdef emacs
  24 #include <config.h>
  25 #endif
  26
  27 #ifdef HAVE_UNISTD_H
  28 #include <unistd.h>
  29 #endif
  30
  31 #include <errno.h>
  32 #include <epaths.h>
  33
  34 #include <stdio.h>
  35 #include <setjmp.h>
  36
  37 #include <X11/Xlib.h>
  38 #include <X11/Xatom.h>
  39 #include <X11/X.h>
  40 #include <X11/Xutil.h>
  41 #include <X11/Xresource.h>
  42 #ifdef HAVE_PWD_H
  43 #include <pwd.h>
  44 #endif
  45 #include <sys/stat.h>
  46
  47 #if !defined(S_ISDIR) && defined(S_IFDIR)
  48 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  49 #endif
  50
  51 #include "lisp.h"
  52
  53 extern char *getenv (const char *);
  54
  55 /* This does cause trouble on AIX.  I'm going to take the comment at
  56    face value.  */
  57 #if 0
  58 extern short getuid ();         /* If this causes portability problems,
  59                                    I think we should just delete it; it'll
  60                                    default to `int' anyway.  */
  61 #endif
  62
  63 #ifdef DECLARE_GETPWUID_WITH_UID_T
  64 extern struct passwd *getpwuid (uid_t);
  65 extern struct passwd *getpwnam (const char *);
  66 #else
  67 extern struct passwd *getpwuid (uid_t);
  68 extern struct passwd *getpwnam (const char *);
  69 #endif
  70
  71 extern char *get_system_name (void);
  72
  73 /* Make sure not to #include anything after these definitions.  Let's
  74    not step on anyone's prototypes.  */
  75 #ifdef emacs
  76 /* darwin.h may have already defined these.  */
  77 #undef malloc
  78 #undef realloc
  79 #undef free
  80 #define malloc xmalloc
  81 #define realloc xrealloc
  82 #define free xfree
  83 #endif
  84
  85 char *x_get_string_resource (XrmDatabase rdb, const char *name,
  86                              const char *class);
  87 static int file_p (const char *filename);
  88
  89 \f
  90 /* X file search path processing.  */
  91
  92
  93 /* The string which gets substituted for the %C escape in XFILESEARCHPATH
  94    and friends, or zero if none was specified.  */
  95 char *x_customization_string;
  96
  97
  98 /* Return the value of the emacs.customization (Emacs.Customization)
  99    resource, for later use in search path decoding.  If we find no
 100    such resource, return zero.  */
 101 char *
 102 x_get_customization_string (XrmDatabase db, const char *name, const char *class)
 103 {
 104   char *full_name
 105     = (char *) alloca (strlen (name) + sizeof ("customization") + 3);
 106   char *full_class
 107     = (char *) alloca (strlen (class) + sizeof ("Customization") + 3);
 108   char *result;
 109
 110   sprintf (full_name,  "%s.%s", name,  "customization");
 111   sprintf (full_class, "%s.%s", class, "Customization");
 112
 113   result = x_get_string_resource (db, full_name, full_class);
 114
 115   if (result)
 116     {
 117       char *copy = (char *) malloc (strlen (result) + 1);
 118       strcpy (copy, result);
 119       return copy;
 120     }
 121   else
 122     return 0;
 123 }
 124
 125
 126 /* Expand all the Xt-style %-escapes in STRING, whose length is given
 127    by STRING_LEN.  Here are the escapes we're supposed to recognize:
 128
 129         %N      The value of the application's class name
 130         %T      The value of the type parameter ("app-defaults" in this
 131                 context)
 132         %S      The value of the suffix parameter ("" in this context)
 133         %L      The language string associated with the specified display
 134                 (We use the "LANG" environment variable here, if it's set.)
 135         %l      The language part of the display's language string
 136                 (We treat this just like %L.  If someone can tell us what
 137                  we're really supposed to do, dandy.)
 138         %t      The territory part of the display's language string
 139                 (This never gets used.)
 140         %c      The codeset part of the display's language string
 141                 (This never gets used either.)
 142         %C      The customization string retrieved from the resource
 143                 database associated with display.
 144                 (This is x_customization_string.)
 145
 146    Return the expanded file name if it exists and is readable, and
 147    refers to %L only when the LANG environment variable is set, or
 148    otherwise provided by X.
 149
 150    ESCAPED_SUFFIX and SUFFIX are postpended to STRING if they are
 151    non-zero.  %-escapes in ESCAPED_SUFFIX are expanded; STRING is left
 152    alone.
 153
 154    Return NULL otherwise.  */
 155
 156 static char *
 157 magic_file_p (const char *string, int string_len, const char *class, const char *escaped_suffix, const char *suffix)
 158 {
 159   char *lang = getenv ("LANG");
 160
 161   int path_size = 100;
 162   char *path = (char *) malloc (path_size);
 163   int path_len = 0;
 164
 165   const char *p = string;
 166
 167   while (p < string + string_len)
 168     {
 169       /* The chunk we're about to stick on the end of result.  */
 170       const char *next = NULL;
 171       int next_len;
 172
 173       if (*p == '%')
 174         {
 175           p++;
 176
 177           if (p >= string + string_len)
 178             next_len = 0;
 179           else
 180             switch (*p)
 181               {
 182               case '%':
 183                 next = "%";
 184                 next_len = 1;
 185                 break;
 186
 187               case 'C':
 188                 next = (x_customization_string
 189                         ? x_customization_string
 190                         : "");
 191                 next_len = strlen (next);
 192                 break;
 193
 194               case 'N':
 195                 next = class;
 196                 next_len = strlen (class);
 197                 break;
 198
 199               case 'T':
 200                 next = "app-defaults";
 201                 next_len = strlen (next);
 202                 break;
 203
 204               default:
 205               case 'S':
 206                 next_len = 0;
 207                 break;
 208
 209               case 'L':
 210               case 'l':
 211                 if (! lang)
 212                   {
 213                     free (path);
 214                     return NULL;
 215                   }
 216
 217                 next = lang;
 218                 next_len = strlen (next);
 219                 break;
 220
 221               case 't':
 222               case 'c':
 223                 free (path);
 224                 return NULL;
 225               }
 226         }
 227       else
 228         next = p, next_len = 1;
 229
 230       /* Do we have room for this component followed by a '\0' ?  */
 231       if (path_len + next_len + 1 > path_size)
 232         {
 233           path_size = (path_len + next_len + 1) * 2;
 234           path = (char *) realloc (path, path_size);
 235         }
 236
 237       memcpy (path + path_len, next, next_len);
 238       path_len += next_len;
 239
 240       p++;
 241
 242       /* If we've reached the end of the string, append ESCAPED_SUFFIX.  */
 243       if (p >= string + string_len && escaped_suffix)
 244         {
 245           string = escaped_suffix;
 246           string_len = strlen (string);
 247           p = string;
 248           escaped_suffix = NULL;
 249         }
 250     }
 251
 252   /* Perhaps we should add the SUFFIX now.  */
 253   if (suffix)
 254     {
 255       int suffix_len = strlen (suffix);
 256
 257       if (path_len + suffix_len + 1 > path_size)
 258         {
 259           path_size = (path_len + suffix_len + 1);
 260           path = (char *) realloc (path, path_size);
 261         }
 262
 263       memcpy (path + path_len, suffix, suffix_len);
 264       path_len += suffix_len;
 265     }
 266
 267   path[path_len] = '\0';
 268
 269   if (! file_p (path))
 270     {
 271       free (path);
 272       return NULL;
 273     }
 274
 275   return path;
 276 }
 277
 278
 279 static char *
 280 gethomedir (void)
 281 {
 282   struct passwd *pw;
 283   char *ptr;
 284   char *copy;
 285
 286   if ((ptr = getenv ("HOME")) == NULL)
 287     {
 288       if ((ptr = getenv ("LOGNAME")) != NULL
 289           || (ptr = getenv ("USER")) != NULL)
 290         pw = getpwnam (ptr);
 291       else
 292         pw = getpwuid (getuid ());
 293
 294       if (pw)
 295         ptr = pw->pw_dir;
 296     }
 297
 298   if (ptr == NULL)
 299     return xstrdup ("/");
 300
 301   copy = (char *) malloc (strlen (ptr) + 2);
 302   strcpy (copy, ptr);
 303   strcat (copy, "/");
 304
 305   return copy;
 306 }
 307
 308
 309 static int
 310 file_p (const char *filename)
 311 {
 312   struct stat status;
 313
 314   return (access (filename, 4) == 0             /* exists and is readable */
 315           && stat (filename, &status) == 0      /* get the status */
 316           && (S_ISDIR (status.st_mode)) == 0);  /* not a directory */
 317 }
 318
 319
 320 /* Find the first element of SEARCH_PATH which exists and is readable,
 321    after expanding the %-escapes.  Return 0 if we didn't find any, and
 322    the path name of the one we found otherwise.  */
 323
 324 static char *
 325 search_magic_path (const char *search_path, const char *class, const char *escaped_suffix, const char *suffix)
 326 {
 327   const char *s, *p;
 328
 329   for (s = search_path; *s; s = p)
 330     {
 331       for (p = s; *p && *p != ':'; p++)
 332         ;
 333
 334       if (p > s)
 335         {
 336           char *path = magic_file_p (s, p - s, class, escaped_suffix,
 337                                            suffix);
 338           if (path)
 339             return path;
 340         }
 341       else if (*p == ':')
 342         {
 343           char *path;
 344
 345           s = "%N%S";
 346           path = magic_file_p (s, strlen (s), class, escaped_suffix, suffix);
 347           if (path)
 348             return path;
 349         }
 350
 351       if (*p == ':')
 352         p++;
 353     }
 354
 355   return 0;
 356 }
 357 \f
 358 /* Producing databases for individual sources.  */
 359
 360 static XrmDatabase
 361 get_system_app (const char *class)
 362 {
 363   XrmDatabase db = NULL;
 364   char *path;
 365
 366   path = getenv ("XFILESEARCHPATH");
 367   if (! path) path = PATH_X_DEFAULTS;
 368
 369   path = search_magic_path (path, class, 0, 0);
 370   if (path)
 371     {
 372       db = XrmGetFileDatabase (path);
 373       free (path);
 374     }
 375
 376   return db;
 377 }
 378
 379
 380 static XrmDatabase
 381 get_fallback (Display *display)
 382 {
 383   return NULL;
 384 }
 385
 386
 387 static XrmDatabase
 388 get_user_app (const char *class)
 389 {
 390   char *path;
 391   char *file = 0;
 392   char *free_it = 0;
 393
 394   /* Check for XUSERFILESEARCHPATH.  It is a path of complete file
 395      names, not directories.  */
 396   if (((path = getenv ("XUSERFILESEARCHPATH"))
 397        && (file = search_magic_path (path, class, 0, 0)))
 398
 399       /* Check for APPLRESDIR; it is a path of directories.  In each,
 400          we have to search for LANG/CLASS and then CLASS.  */
 401       || ((path = getenv ("XAPPLRESDIR"))
 402           && ((file = search_magic_path (path, class, "/%L/%N", 0))
 403               || (file = search_magic_path (path, class, "/%N", 0))))
 404
 405       /* Check in the home directory.  This is a bit of a hack; let's
 406          hope one's home directory doesn't contain any %-escapes.  */
 407       || (free_it = gethomedir (),
 408           ((file = search_magic_path (free_it, class, "%L/%N", 0))
 409            || (file = search_magic_path (free_it, class, "%N", 0)))))
 410     {
 411       XrmDatabase db = XrmGetFileDatabase (file);
 412       free (file);
 413       free (free_it);
 414       return db;
 415     }
 416
 417   free (free_it);
 418   return NULL;
 419 }
 420
 421
 422 static XrmDatabase
 423 get_user_db (Display *display)
 424 {
 425   XrmDatabase db;
 426   char *xdefs;
 427
 428 #ifdef PBaseSize                /* Cheap way to test for X11R4 or later.  */
 429   xdefs = XResourceManagerString (display);
 430 #else
 431   xdefs = display->xdefaults;
 432 #endif
 433
 434   if (xdefs != NULL)
 435     db = XrmGetStringDatabase (xdefs);
 436   else
 437     {
 438       char *home;
 439       char *xdefault;
 440
 441       home = gethomedir ();
 442       xdefault = (char *) malloc (strlen (home) + sizeof (".Xdefaults"));
 443       strcpy (xdefault, home);
 444       strcat (xdefault, ".Xdefaults");
 445       db = XrmGetFileDatabase (xdefault);
 446       free (home);
 447       free (xdefault);
 448     }
 449
 450 #ifdef HAVE_XSCREENRESOURCESTRING
 451   /* Get the screen-specific resources too.  */
 452   xdefs = XScreenResourceString (DefaultScreenOfDisplay (display));
 453   if (xdefs != NULL)
 454     {
 455       XrmMergeDatabases (XrmGetStringDatabase (xdefs), &db);
 456       XFree (xdefs);
 457     }
 458 #endif
 459
 460   return db;
 461 }
 462
 463 static XrmDatabase
 464 get_environ_db (void)
 465 {
 466   XrmDatabase db;
 467   char *p;
 468   char *path = 0, *home = 0, *host;
 469
 470   if ((p = getenv ("XENVIRONMENT")) == NULL)
 471     {
 472       home = gethomedir ();
 473       host = get_system_name ();
 474       path = (char *) malloc (strlen (home)
 475                               + sizeof (".Xdefaults-")
 476                               + strlen (host));
 477       sprintf (path, "%s%s%s", home, ".Xdefaults-", host);
 478       p = path;
 479     }
 480
 481   db = XrmGetFileDatabase (p);
 482
 483   free (path);
 484   free (home);
 485
 486   return db;
 487 }
 488 \f
 489 /* External interface.  */
 490
 491 /* Types of values that we can find in a database */
 492
 493 #define XrmStringType "String"  /* String representation */
 494 XrmRepresentation x_rm_string;  /* Quark representation */
 495
 496 /* Load X resources based on the display and a possible -xrm option. */
 497
 498 XrmDatabase
 499 x_load_resources (Display *display, const char *xrm_string,
 500                   const char *myname, const char *myclass)
 501 {
 502   XrmDatabase user_database;
 503   XrmDatabase rdb;
 504   XrmDatabase db;
 505   char line[256];
 506
 507   const char *helv = "-*-helvetica-medium-r-*--*-120-*-*-*-*-iso8859-1";
 508
 509 #ifdef USE_MOTIF
 510   const char *courier = "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1";
 511 #endif
 512
 513   x_rm_string = XrmStringToQuark (XrmStringType);
 514 #ifndef USE_X_TOOLKIT
 515   /* pmr@osf.org says this shouldn't be done if USE_X_TOOLKIT.
 516      I suspect it's because the toolkit version does this elsewhere.  */
 517   XrmInitialize ();
 518 #endif
 519   rdb = XrmGetStringDatabase ("");
 520
 521   /* Add some font defaults.  If the font `helv' doesn't exist, widgets
 522      will use some other default font.  */
 523 #ifdef USE_MOTIF
 524
 525   sprintf (line, "%s.pane.background: grey75", myclass);
 526   XrmPutLineResource (&rdb, line);
 527   sprintf (line, "%s*fontList: %s", myclass, helv);
 528   XrmPutLineResource (&rdb, line);
 529   sprintf (line, "%s*menu*background: grey75", myclass);
 530   XrmPutLineResource (&rdb, line);
 531   sprintf (line, "%s*menubar*background: grey75", myclass);
 532   XrmPutLineResource (&rdb, line);
 533   sprintf (line, "%s*verticalScrollBar.background: grey75", myclass);
 534   XrmPutLineResource (&rdb, line);
 535   sprintf (line, "%s*verticalScrollBar.troughColor: grey75", myclass);
 536   XrmPutLineResource (&rdb, line);
 537   sprintf (line, "%s.dialog*.background: grey75", myclass);
 538   XrmPutLineResource (&rdb, line);
 539   sprintf (line, "%s*fsb.Text.background: white", myclass);
 540   XrmPutLineResource (&rdb, line);
 541   sprintf (line, "%s*fsb.FilterText.background: white", myclass);
 542   XrmPutLineResource (&rdb, line);
 543   sprintf (line, "%s*fsb*DirList.background: white", myclass);
 544   XrmPutLineResource (&rdb, line);
 545   sprintf (line, "%s*fsb*ItemsList.background: white", myclass);
 546   XrmPutLineResource (&rdb, line);
 547   sprintf (line, "%s*fsb*background: grey75", myclass);
 548   XrmPutLineResource (&rdb, line);
 549   sprintf (line, "%s*fsb.Text.fontList: %s", myclass, courier);
 550   XrmPutLineResource (&rdb, line);
 551   sprintf (line, "%s*fsb.FilterText.fontList: %s", myclass, courier);
 552   XrmPutLineResource (&rdb, line);
 553   sprintf (line, "%s*fsb*ItemsList.fontList: %s", myclass, courier);
 554   XrmPutLineResource (&rdb, line);
 555   sprintf (line, "%s*fsb*DirList.fontList: %s", myclass, courier);
 556   XrmPutLineResource (&rdb, line);
 557
 558   /* Set double click time of list boxes in the file selection
 559      dialog from `double-click-time'.  */
 560   if (INTEGERP (Vdouble_click_time) && XINT (Vdouble_click_time) > 0)
 561     {
 562       sprintf (line, "%s*fsb*DirList.doubleClickInterval: %d",
 563                myclass, XFASTINT (Vdouble_click_time));
 564       XrmPutLineResource (&rdb, line);
 565       sprintf (line, "%s*fsb*ItemsList.doubleClickInterval: %d",
 566                myclass, XFASTINT (Vdouble_click_time));
 567       XrmPutLineResource (&rdb, line);
 568     }
 569
 570 #else /* not USE_MOTIF */
 571
 572   sprintf (line, "Emacs.dialog*.font: %s", helv);
 573   XrmPutLineResource (&rdb, line);
 574   sprintf (line, "Emacs.dialog*.background: grey75");
 575   XrmPutLineResource (&rdb, line);
 576   sprintf (line, "*XlwMenu*font: %s", helv);
 577   XrmPutLineResource (&rdb, line);
 578   sprintf (line, "*XlwMenu*background: grey75");
 579   XrmPutLineResource (&rdb, line);
 580   sprintf (line, "Emacs*verticalScrollBar.background: grey75");
 581   XrmPutLineResource (&rdb, line);
 582
 583 #endif /* not USE_MOTIF */
 584
 585   user_database = get_user_db (display);
 586
 587   /* Figure out what the "customization string" is, so we can use it
 588      to decode paths.  */
 589   free (x_customization_string);
 590   x_customization_string
 591     = x_get_customization_string (user_database, myname, myclass);
 592
 593   /* Get application system defaults */
 594   db = get_system_app (myclass);
 595   if (db != NULL)
 596     XrmMergeDatabases (db, &rdb);
 597
 598   /* Get Fallback resources */
 599   db = get_fallback (display);
 600   if (db != NULL)
 601     XrmMergeDatabases (db, &rdb);
 602
 603   /* Get application user defaults */
 604   db = get_user_app (myclass);
 605   if (db != NULL)
 606     XrmMergeDatabases (db, &rdb);
 607
 608   /* get User defaults */
 609   if (user_database != NULL)
 610     XrmMergeDatabases (user_database, &rdb);
 611
 612   /* Get Environment defaults. */
 613   db = get_environ_db ();
 614   if (db != NULL)
 615     XrmMergeDatabases (db, &rdb);
 616
 617   /* Last, merge in any specification from the command line. */
 618   if (xrm_string != NULL)
 619     {
 620       db = XrmGetStringDatabase (xrm_string);
 621       if (db != NULL)
 622         XrmMergeDatabases (db, &rdb);
 623     }
 624
 625   return rdb;
 626 }
 627
 628
 629 /* Retrieve the value of the resource specified by NAME with class CLASS
 630    and of type TYPE from database RDB.  The value is returned in RET_VALUE. */
 631
 632 int
 633 x_get_resource (XrmDatabase rdb, const char *name, const char *class, XrmRepresentation expected_type, XrmValue *ret_value)
 634 {
 635   XrmValue value;
 636   XrmName namelist[100];
 637   XrmClass classlist[100];
 638   XrmRepresentation type;
 639
 640   XrmStringToNameList(name, namelist);
 641   XrmStringToClassList(class, classlist);
 642
 643   if (XrmQGetResource (rdb, namelist, classlist, &type, &value) == True
 644       && (type == expected_type))
 645     {
 646       if (type == x_rm_string)
 647         ret_value->addr = (char *) value.addr;
 648       else
 649         memcpy (ret_value->addr, value.addr, ret_value->size);
 650
 651       return value.size;
 652     }
 653
 654   return 0;
 655 }
 656
 657 /* Retrieve the string resource specified by NAME with CLASS from
 658    database RDB. */
 659
 660 char *
 661 x_get_string_resource (XrmDatabase rdb, const char *name, const char *class)
 662 {
 663   XrmValue value;
 664
 665   if (inhibit_x_resources)
 666     /* --quick was passed, so this is a no-op.  */
 667     return NULL;
 668
 669   if (x_get_resource (rdb, name, class, x_rm_string, &value))
 670     return (char *) value.addr;
 671
 672   return (char *) 0;
 673 }
 674 \f
 675 /* Stand-alone test facilities.  */
 676
 677 #ifdef TESTRM
 678
 679 typedef char **List;
 680 #define arg_listify(len, list) (list)
 681 #define car(list) (*(list))
 682 #define cdr(list) (list + 1)
 683 #define NIL(list) (! *(list))
 684 #define free_arglist(list)
 685
 686 static List
 687 member (elt, list)
 688      char *elt;
 689      List list;
 690 {
 691   List p;
 692
 693   for (p = list; ! NIL (p); p = cdr (p))
 694     if (! strcmp (elt, car (p)))
 695       return p;
 696
 697   return p;
 698 }
 699
 700 static void
 701 fatal (msg, prog, x1, x2, x3, x4, x5)
 702     char *msg, *prog;
 703     int x1, x2, x3, x4, x5;
 704 {
 705     if (errno)
 706       perror (prog);
 707
 708     (void) fprintf (stderr, msg, prog, x1, x2, x3, x4, x5);
 709     exit (1);
 710 }
 711
 712 main (argc, argv)
 713     int argc;
 714     char **argv;
 715 {
 716   Display *display;
 717   char *displayname, *resource_string, *class, *name;
 718   XrmDatabase xdb;
 719   List arg_list, lp;
 720
 721   arg_list = arg_listify (argc, argv);
 722
 723   lp = member ("-d", arg_list);
 724   if (!NIL (lp))
 725     displayname = car (cdr (lp));
 726   else
 727     displayname = "localhost:0.0";
 728
 729   lp = member ("-xrm", arg_list);
 730   if (! NIL (lp))
 731     resource_string = car (cdr (lp));
 732   else
 733     resource_string = (char *) 0;
 734
 735   lp = member ("-c", arg_list);
 736   if (! NIL (lp))
 737     class = car (cdr (lp));
 738   else
 739     class = "Emacs";
 740
 741   lp = member ("-n", arg_list);
 742   if (! NIL (lp))
 743     name = car (cdr (lp));
 744   else
 745     name = "emacs";
 746
 747   free_arglist (arg_list);
 748
 749   if (!(display = XOpenDisplay (displayname)))
 750     fatal ("Can't open display '%s'\n", XDisplayName (displayname));
 751
 752   xdb = x_load_resources (display, resource_string, name, class);
 753
 754   /* In a real program, you'd want to also do this: */
 755   display->db = xdb;
 756
 757   while (1)
 758     {
 759       char query_name[90];
 760       char query_class[90];
 761
 762       printf ("Name: ");
 763       gets (query_name);
 764
 765       if (strlen (query_name))
 766         {
 767           char *value;
 768
 769           printf ("Class: ");
 770           gets (query_class);
 771
 772           value = x_get_string_resource (xdb, query_name, query_class);
 773
 774           if (value != NULL)
 775             printf ("\t%s(%s):  %s\n\n", query_name, query_class, value);
 776           else
 777             printf ("\tNo Value.\n\n");
 778         }
 779       else
 780         break;
 781     }
 782   printf ("\tExit.\n\n");
 783
 784   XCloseDisplay (display);
 785 }
 786 #endif /* TESTRM */
 787
 788 /* arch-tag: 37e6fbab-ed05-4363-9e76-6c4109ed511f
 789    (do not change this comment) */