2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // cvar.c -- dynamic variable tracking
24 const char *cvar_dummy_description = "custom cvar";
26 cvar_t *cvar_vars = NULL;
27 cvar_t *cvar_hashtable[CVAR_HASHSIZE];
28 const char *cvar_null_string = "";
35 cvar_t *Cvar_FindVar (const char *var_name)
40 // use hash lookup to minimize search time
41 hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name)) % CVAR_HASHSIZE;
42 for (var = cvar_hashtable[hashindex];var;var = var->nextonhashchain)
43 if (!strcmp (var_name, var->name))
49 cvar_t *Cvar_FindVarAfter (const char *prev_var_name, int neededflags)
55 var = Cvar_FindVar (prev_var_name);
63 // search for the next cvar matching the needed flags
66 if ((var->flags & neededflags) || !neededflags)
73 static cvar_t *Cvar_FindVarLink (const char *var_name, cvar_t **parent, cvar_t ***link, cvar_t **prev_alpha)
78 // use hash lookup to minimize search time
79 hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name));
80 if(parent) *parent = NULL;
81 if(prev_alpha) *prev_alpha = NULL;
82 if(link) *link = &cvar_hashtable[hashindex];
83 for (var = cvar_hashtable[hashindex];var;var = var->nextonhashchain)
85 if (!strcmp (var_name, var->name))
87 if(!prev_alpha || var == cvar_vars)
90 *prev_alpha = cvar_vars;
91 // if prev_alpha happens to become NULL then there has been some inconsistency elsewhere
92 // already - should I still insert '*prev_alpha &&' in the loop?
93 while((*prev_alpha)->next != var)
94 *prev_alpha = (*prev_alpha)->next;
97 if(parent) *parent = var;
108 float Cvar_VariableValueOr (const char *var_name, float def)
112 var = Cvar_FindVar (var_name);
115 return atof (var->string);
118 float Cvar_VariableValue (const char *var_name)
120 return Cvar_VariableValueOr(var_name, 0);
128 const char *Cvar_VariableStringOr (const char *var_name, const char *def)
132 var = Cvar_FindVar (var_name);
138 const char *Cvar_VariableString (const char *var_name)
140 return Cvar_VariableStringOr(var_name, cvar_null_string);
145 Cvar_VariableDefString
148 const char *Cvar_VariableDefString (const char *var_name)
152 var = Cvar_FindVar (var_name);
154 return cvar_null_string;
155 return var->defstring;
160 Cvar_VariableDescription
163 const char *Cvar_VariableDescription (const char *var_name)
167 var = Cvar_FindVar (var_name);
169 return cvar_null_string;
170 return var->description;
176 Cvar_CompleteVariable
179 const char *Cvar_CompleteVariable (const char *partial)
184 len = strlen(partial);
190 for (cvar=cvar_vars ; cvar ; cvar=cvar->next)
191 if (!strncasecmp (partial,cvar->name, len))
199 CVar_CompleteCountPossible
201 New function for tab-completion system
203 Thanks to Fett erich@heintz.com
206 int Cvar_CompleteCountPossible (const char *partial)
213 len = strlen(partial);
218 // Loop through the cvars and count all possible matches
219 for (cvar = cvar_vars; cvar; cvar = cvar->next)
220 if (!strncasecmp(partial, cvar->name, len))
227 CVar_CompleteBuildList
229 New function for tab-completion system
231 Thanks to Fett erich@heintz.com
235 const char **Cvar_CompleteBuildList (const char *partial)
240 size_t sizeofbuf = (Cvar_CompleteCountPossible (partial) + 1) * sizeof (const char *);
243 len = strlen(partial);
244 buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
245 // Loop through the alias list and print all matches
246 for (cvar = cvar_vars; cvar; cvar = cvar->next)
247 if (!strncasecmp(partial, cvar->name, len))
248 buf[bpos++] = cvar->name;
254 // written by LordHavoc
255 void Cvar_CompleteCvarPrint (const char *partial)
258 size_t len = strlen(partial);
259 // Loop through the command list and print all matches
260 for (cvar = cvar_vars; cvar; cvar = cvar->next)
261 if (!strncasecmp(partial, cvar->name, len))
262 Con_Printf ("^3%s^7 is \"%s\" [\"%s\"] %s\n", cvar->name, cvar->string, cvar->defstring, cvar->description);
265 // we assume that prog is already set to the target progs
266 static void Cvar_UpdateAutoCvar(cvar_t *var)
273 for (i = 0;i < PRVM_PROG_MAX;i++)
275 prog = &prvm_prog_list[i];
276 if (prog->loaded && var->globaldefindex_progid[i] == prog->id)
278 // MUST BE SYNCED WITH prvm_edict.c PRVM_LoadProgs
279 switch(prog->globaldefs[var->globaldefindex[i]].type & ~DEF_SAVEGLOBAL)
282 PRVM_GLOBALFIELDFLOAT(prog->globaldefs[var->globaldefindex[i]].ofs) = var->value;
287 for (j = 0;j < 3;j++)
289 while (*s && ISWHITESPACE(*s))
294 while (!ISWHITESPACE(*s))
299 VectorCopy(v, PRVM_GLOBALFIELDVECTOR(prog->globaldefs[var->globaldefindex[i]].ofs));
302 PRVM_ChangeEngineString(prog, var->globaldefindex_stringno[i], var->string);
303 PRVM_GLOBALFIELDSTRING(prog->globaldefs[var->globaldefindex[i]].ofs) = var->globaldefindex_stringno[i];
310 // called after loading a savegame
311 void Cvar_UpdateAllAutoCvars(void)
314 for (var = cvar_vars ; var ; var = var->next)
315 Cvar_UpdateAutoCvar(var);
323 extern cvar_t sv_disablenotify;
324 static void Cvar_SetQuick_Internal (cvar_t *var, const char *value)
330 changed = strcmp(var->string, value) != 0;
331 // LordHavoc: don't reallocate when there is no change
335 // LordHavoc: don't reallocate when the buffer is the same size
336 valuelen = strlen(value);
337 if (!var->string || strlen(var->string) != valuelen)
339 Z_Free ((char *)var->string); // free the old value string
341 var->string = (char *)Z_Malloc (valuelen + 1);
343 memcpy ((char *)var->string, value, valuelen + 1);
344 var->value = atof (var->string);
345 var->integer = (int) var->value;
346 if ((var->flags & CVAR_NOTIFY) && changed && sv.active && !sv_disablenotify.integer)
347 SV_BroadcastPrintf("\"%s\" changed to \"%s\"\n", var->name, var->string);
349 // TODO: add infostring support to the server?
350 if ((var->flags & CVAR_SERVERINFO) && changed && sv.active)
352 InfoString_SetValue(svs.serverinfo, sizeof(svs.serverinfo), var->name, var->string);
355 MSG_WriteByte (&sv.reliable_datagram, svc_serverinfostring);
356 MSG_WriteString (&sv.reliable_datagram, var->name);
357 MSG_WriteString (&sv.reliable_datagram, var->string);
361 if ((var->flags & CVAR_USERINFO) && cls.state != ca_dedicated)
362 CL_SetInfo(var->name, var->string, true, false, false, false);
363 else if ((var->flags & CVAR_NQUSERINFOHACK) && cls.state != ca_dedicated)
365 // update the cls.userinfo to have proper values for the
366 // silly nq config variables.
368 // this is done when these variables are changed rather than at
369 // connect time because if the user or code checks the userinfo and it
370 // holds weird values it may cause confusion...
371 if (!strcmp(var->name, "_cl_color"))
373 int top = (var->integer >> 4) & 15, bottom = var->integer & 15;
374 CL_SetInfo("topcolor", va(vabuf, sizeof(vabuf), "%i", top), true, false, false, false);
375 CL_SetInfo("bottomcolor", va(vabuf, sizeof(vabuf), "%i", bottom), true, false, false, false);
376 if (cls.protocol != PROTOCOL_QUAKEWORLD && cls.netcon)
378 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
379 MSG_WriteString(&cls.netcon->message, va(vabuf, sizeof(vabuf), "color %i %i", top, bottom));
382 else if (!strcmp(var->name, "_cl_rate"))
383 CL_SetInfo("rate", va(vabuf, sizeof(vabuf), "%i", var->integer), true, false, false, false);
384 else if (!strcmp(var->name, "_cl_rate_burstsize"))
385 CL_SetInfo("rate_burstsize", va(vabuf, sizeof(vabuf), "%i", var->integer), true, false, false, false);
386 else if (!strcmp(var->name, "_cl_playerskin"))
387 CL_SetInfo("playerskin", var->string, true, false, false, false);
388 else if (!strcmp(var->name, "_cl_playermodel"))
389 CL_SetInfo("playermodel", var->string, true, false, false, false);
390 else if (!strcmp(var->name, "_cl_name"))
391 CL_SetInfo("name", var->string, true, false, false, false);
392 else if (!strcmp(var->name, "rcon_secure"))
394 // whenever rcon_secure is changed to 0, clear rcon_password for
395 // security reasons (prevents a send-rcon-password-as-plaintext
396 // attack based on NQ protocol session takeover and svc_stufftext)
397 if(var->integer <= 0)
398 Cvar_Set("rcon_password", "");
401 else if (!strcmp(var->name, "net_slist_favorites"))
402 NetConn_UpdateFavorites();
406 Cvar_UpdateAutoCvar(var);
409 void Cvar_SetQuick (cvar_t *var, const char *value)
413 Con_Print("Cvar_SetQuick: var == NULL\n");
417 if (developer_extra.integer)
418 Con_DPrintf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
420 Cvar_SetQuick_Internal(var, value);
423 void Cvar_Set (const char *var_name, const char *value)
426 var = Cvar_FindVar (var_name);
429 Con_Printf("Cvar_Set: variable %s not found\n", var_name);
432 Cvar_SetQuick(var, value);
440 void Cvar_SetValueQuick(cvar_t *var, float value)
442 char val[MAX_INPUTLINE];
444 if ((float)((int)value) == value)
445 dpsnprintf(val, sizeof(val), "%i", (int)value);
447 dpsnprintf(val, sizeof(val), "%f", value);
448 Cvar_SetQuick(var, val);
451 void Cvar_SetValue(const char *var_name, float value)
453 char val[MAX_INPUTLINE];
455 if ((float)((int)value) == value)
456 dpsnprintf(val, sizeof(val), "%i", (int)value);
458 dpsnprintf(val, sizeof(val), "%f", value);
459 Cvar_Set(var_name, val);
464 Cvar_RegisterVariable
466 Adds a freestanding variable to the variable list.
469 void Cvar_RegisterVariable (cvar_t *variable)
472 cvar_t *current, *next, *cvar;
476 if (developer_extra.integer)
477 Con_DPrintf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
479 // first check to see if it has already been defined
480 cvar = Cvar_FindVar (variable->name);
483 if (cvar->flags & CVAR_ALLOCATED)
485 if (developer_extra.integer)
486 Con_DPrintf("... replacing existing allocated cvar {\"%s\", \"%s\", %i}\n", cvar->name, cvar->string, cvar->flags);
487 // fixed variables replace allocated ones
488 // (because the engine directly accesses fixed variables)
489 // NOTE: this isn't actually used currently
490 // (all cvars are registered before config parsing)
491 variable->flags |= (cvar->flags & ~CVAR_ALLOCATED);
492 // cvar->string is now owned by variable instead
493 variable->string = cvar->string;
494 variable->defstring = cvar->defstring;
495 variable->value = atof (variable->string);
496 variable->integer = (int) variable->value;
497 // replace cvar with this one...
498 variable->next = cvar->next;
499 if (cvar_vars == cvar)
501 // head of the list is easy to change
502 cvar_vars = variable;
506 // otherwise find it somewhere in the list
507 for (current = cvar_vars;current->next != cvar;current = current->next)
509 current->next = variable;
512 // get rid of old allocated cvar
513 // (but not cvar->string and cvar->defstring, because we kept those)
514 Z_Free((char *)cvar->name);
518 Con_DPrintf("Can't register variable %s, already defined\n", variable->name);
522 // check for overlap with a command
523 if (Cmd_Exists (variable->name))
525 Con_Printf("Cvar_RegisterVariable: %s is a command\n", variable->name);
529 // copy the value off, because future sets will Z_Free it
530 oldstr = (char *)variable->string;
531 alloclen = strlen(variable->string) + 1;
532 variable->string = (char *)Z_Malloc (alloclen);
533 memcpy ((char *)variable->string, oldstr, alloclen);
534 variable->defstring = (char *)Z_Malloc (alloclen);
535 memcpy ((char *)variable->defstring, oldstr, alloclen);
536 variable->value = atof (variable->string);
537 variable->integer = (int) variable->value;
539 // link the variable in
540 // alphanumerical order
541 for( current = NULL, next = cvar_vars ; next && strcmp( next->name, variable->name ) < 0 ; current = next, next = next->next )
544 current->next = variable;
546 cvar_vars = variable;
548 variable->next = next;
550 // link to head of list in this hash table index
551 hashindex = CRC_Block((const unsigned char *)variable->name, strlen(variable->name)) % CVAR_HASHSIZE;
552 variable->nextonhashchain = cvar_hashtable[hashindex];
553 cvar_hashtable[hashindex] = variable;
560 Adds a newly allocated variable to the variable list or sets its value.
563 cvar_t *Cvar_Get (const char *name, const char *value, int flags, const char *newdescription)
566 cvar_t *current, *next, *cvar;
568 if (developer_extra.integer)
569 Con_DPrintf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
571 // first check to see if it has already been defined
572 cvar = Cvar_FindVar (name);
575 cvar->flags |= flags;
576 Cvar_SetQuick_Internal (cvar, value);
577 if(newdescription && (cvar->flags & CVAR_ALLOCATED))
579 if(cvar->description != cvar_dummy_description)
580 Z_Free((char *)cvar->description);
583 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
585 cvar->description = cvar_dummy_description;
590 // check for pure evil
593 Con_Printf("Cvar_Get: invalid variable name\n");
597 // check for overlap with a command
598 if (Cmd_Exists (name))
600 Con_Printf("Cvar_Get: %s is a command\n", name);
604 // allocate a new cvar, cvar name, and cvar string
605 // TODO: factorize the following code with the one at the end of Cvar_RegisterVariable()
606 // FIXME: these never get Z_Free'd
607 cvar = (cvar_t *)Z_Malloc(sizeof(cvar_t));
608 cvar->flags = flags | CVAR_ALLOCATED;
609 cvar->name = (char *)Mem_strdup(zonemempool, name);
610 cvar->string = (char *)Mem_strdup(zonemempool, value);
611 cvar->defstring = (char *)Mem_strdup(zonemempool, value);
612 cvar->value = atof (cvar->string);
613 cvar->integer = (int) cvar->value;
615 if(newdescription && *newdescription)
616 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
618 cvar->description = cvar_dummy_description; // actually checked by VM_cvar_type
620 // link the variable in
621 // alphanumerical order
622 for( current = NULL, next = cvar_vars ; next && strcmp( next->name, cvar->name ) < 0 ; current = next, next = next->next )
625 current->next = cvar;
630 // link to head of list in this hash table index
631 hashindex = CRC_Block((const unsigned char *)cvar->name, strlen(cvar->name)) % CVAR_HASHSIZE;
632 cvar->nextonhashchain = cvar_hashtable[hashindex];
633 cvar_hashtable[hashindex] = cvar;
643 Handles variable inspection and changing from the console
646 qboolean Cvar_Command (void)
651 v = Cvar_FindVar (Cmd_Argv(0));
655 // perform a variable print or set
658 Con_Printf("\"%s\" is \"%s\" [\"%s\"]\n", v->name, ((v->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : v->string), v->defstring);
662 if (developer_extra.integer)
663 Con_DPrint("Cvar_Command: ");
665 if (v->flags & CVAR_READONLY)
667 Con_Printf("%s is read-only\n", v->name);
670 Cvar_Set (v->name, Cmd_Argv(1));
671 if (developer_extra.integer)
677 void Cvar_UnlockDefaults (void)
680 // unlock the default values of all cvars
681 for (var = cvar_vars ; var ; var = var->next)
682 var->flags &= ~CVAR_DEFAULTSET;
686 void Cvar_LockDefaults_f (void)
689 // lock in the default values of all cvars
690 for (var = cvar_vars ; var ; var = var->next)
692 if (!(var->flags & CVAR_DEFAULTSET))
696 //Con_Printf("locking cvar %s (%s -> %s)\n", var->name, var->string, var->defstring);
697 var->flags |= CVAR_DEFAULTSET;
698 Z_Free((char *)var->defstring);
699 alloclen = strlen(var->string) + 1;
700 var->defstring = (char *)Z_Malloc(alloclen);
701 memcpy((char *)var->defstring, var->string, alloclen);
706 void Cvar_SaveInitState(void)
709 for (c = cvar_vars;c;c = c->next)
712 c->initflags = c->flags;
713 c->initdefstring = Mem_strdup(zonemempool, c->defstring);
714 c->initstring = Mem_strdup(zonemempool, c->string);
715 c->initvalue = c->value;
716 c->initinteger = c->integer;
717 VectorCopy(c->vector, c->initvector);
721 void Cvar_RestoreInitState(void)
726 for (cp = &cvar_vars;(c = *cp);)
730 // restore this cvar, it existed at init
731 if (((c->flags ^ c->initflags) & CVAR_MAXFLAGSVAL)
732 || strcmp(c->defstring ? c->defstring : "", c->initdefstring ? c->initdefstring : "")
733 || strcmp(c->string ? c->string : "", c->initstring ? c->initstring : ""))
735 Con_DPrintf("Cvar_RestoreInitState: Restoring cvar \"%s\"\n", c->name);
737 Z_Free((char *)c->defstring);
738 c->defstring = Mem_strdup(zonemempool, c->initdefstring);
740 Z_Free((char *)c->string);
741 c->string = Mem_strdup(zonemempool, c->initstring);
743 c->flags = c->initflags;
744 c->value = c->initvalue;
745 c->integer = c->initinteger;
746 VectorCopy(c->initvector, c->vector);
751 if (!(c->flags & CVAR_ALLOCATED))
753 Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it was registered after init!\n", c->name);
757 // remove this cvar, it did not exist at init
758 Con_DPrintf("Cvar_RestoreInitState: Destroying cvar \"%s\"\n", c->name);
759 // unlink struct from hash
760 hashindex = CRC_Block((const unsigned char *)c->name, strlen(c->name)) % CVAR_HASHSIZE;
761 for (cp2 = &cvar_hashtable[hashindex];(c2 = *cp2);)
765 *cp2 = c2->nextonhashchain;
769 cp2 = &c2->nextonhashchain;
771 // unlink struct from main list
775 Z_Free((char *)c->defstring);
777 Z_Free((char *)c->string);
778 if (c->description && c->description != cvar_dummy_description)
779 Z_Free((char *)c->description);
786 void Cvar_ResetToDefaults_All_f (void)
789 // restore the default values of all cvars
790 for (var = cvar_vars ; var ; var = var->next)
791 if((var->flags & CVAR_NORESETTODEFAULTS) == 0)
792 Cvar_SetQuick(var, var->defstring);
796 void Cvar_ResetToDefaults_NoSaveOnly_f (void)
799 // restore the default values of all cvars
800 for (var = cvar_vars ; var ; var = var->next)
801 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == 0)
802 Cvar_SetQuick(var, var->defstring);
806 void Cvar_ResetToDefaults_SaveOnly_f (void)
809 // restore the default values of all cvars
810 for (var = cvar_vars ; var ; var = var->next)
811 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == CVAR_SAVE)
812 Cvar_SetQuick(var, var->defstring);
820 Writes lines containing "set variable value" for all variables
821 with the archive flag set to true.
824 void Cvar_WriteVariables (qfile_t *f)
827 char buf1[MAX_INPUTLINE], buf2[MAX_INPUTLINE];
829 // don't save cvars that match their default value
830 for (var = cvar_vars ; var ; var = var->next)
831 if ((var->flags & CVAR_SAVE) && (strcmp(var->string, var->defstring) || ((var->flags & CVAR_ALLOCATED) && !(var->flags & CVAR_DEFAULTSET))))
833 Cmd_QuoteString(buf1, sizeof(buf1), var->name, "\"\\$", false);
834 Cmd_QuoteString(buf2, sizeof(buf2), var->string, "\"\\$", false);
835 FS_Printf(f, "%s\"%s\" \"%s\"\n", var->flags & CVAR_ALLOCATED ? "seta " : "", buf1, buf2);
840 // Added by EvilTypeGuy eviltypeguy@qeradiant.com
841 // 2000-01-09 CvarList command By Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
847 void Cvar_List_f (void)
857 partial = Cmd_Argv (1);
858 len = strlen(partial);
859 ispattern = (strchr(partial, '*') || strchr(partial, '?'));
869 for (cvar = cvar_vars; cvar; cvar = cvar->next)
871 if (len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp (partial,cvar->name,len)))
874 Con_Printf("%s is \"%s\" [\"%s\"] %s\n", cvar->name, ((cvar->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : cvar->string), cvar->defstring, cvar->description);
881 Con_Printf("%i cvar%s matching \"%s\"\n", count, (count > 1) ? "s" : "", partial);
883 Con_Printf("%i cvar%s beginning with \"%s\"\n", count, (count > 1) ? "s" : "", partial);
886 Con_Printf("%i cvar(s)\n", count);
888 // 2000-01-09 CvarList command by Maddes
890 void Cvar_Set_f (void)
894 // make sure it's the right number of parameters
897 Con_Printf("Set: wrong number of parameters, usage: set <variablename> <value> [<description>]\n");
901 // check if it's read-only
902 cvar = Cvar_FindVar(Cmd_Argv(1));
903 if (cvar && cvar->flags & CVAR_READONLY)
905 Con_Printf("Set: %s is read-only\n", cvar->name);
909 if (developer_extra.integer)
912 // all looks ok, create/modify the cvar
913 Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), 0, Cmd_Argc() > 3 ? Cmd_Argv(3) : NULL);
916 void Cvar_SetA_f (void)
920 // make sure it's the right number of parameters
923 Con_Printf("SetA: wrong number of parameters, usage: seta <variablename> <value> [<description>]\n");
927 // check if it's read-only
928 cvar = Cvar_FindVar(Cmd_Argv(1));
929 if (cvar && cvar->flags & CVAR_READONLY)
931 Con_Printf("SetA: %s is read-only\n", cvar->name);
935 if (developer_extra.integer)
936 Con_DPrint("SetA: ");
938 // all looks ok, create/modify the cvar
939 Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), CVAR_SAVE, Cmd_Argc() > 3 ? Cmd_Argv(3) : NULL);
942 void Cvar_Del_f (void)
945 cvar_t *cvar, *parent, **link, *prev;
949 Con_Printf("Del: wrong number of parameters, useage: unset <variablename1> [<variablename2> ...]\n");
952 for(i = 1; i < Cmd_Argc(); ++i)
954 cvar = Cvar_FindVarLink(Cmd_Argv(i), &parent, &link, &prev);
957 Con_Printf("Del: %s is not defined\n", Cmd_Argv(i));
960 if(cvar->flags & CVAR_READONLY)
962 Con_Printf("Del: %s is read-only\n", cvar->name);
965 if(!(cvar->flags & CVAR_ALLOCATED))
967 Con_Printf("Del: %s is static and cannot be deleted\n", cvar->name);
970 if(cvar == cvar_vars)
972 cvar_vars = cvar->next;
976 // in this case, prev must be set, otherwise there has been some inconsistensy
977 // elsewhere already... should I still check for prev != NULL?
978 prev->next = cvar->next;
982 parent->nextonhashchain = cvar->nextonhashchain;
984 *link = cvar->nextonhashchain;
986 if(cvar->description != cvar_dummy_description)
987 Z_Free((char *)cvar->description);
989 Z_Free((char *)cvar->name);
990 Z_Free((char *)cvar->string);
991 Z_Free((char *)cvar->defstring);
996 #ifdef FILLALLCVARSWITHRUBBISH
997 void Cvar_FillAll_f()
1005 Con_Printf("Usage: %s length to plant rubbish\n", Cmd_Argv(0));
1006 Con_Printf("Usage: %s -length to verify that the rubbish is still there\n", Cmd_Argv(0));
1009 n = atoi(Cmd_Argv(1));
1013 buf = Z_Malloc(n + 1);
1015 for(var = cvar_vars; var; var = var->next)
1017 for(i = 0, p = buf, q = var->name; i < n; ++i)
1023 if(verify && strcmp(var->string, buf))
1025 Con_Printf("\n%s does not contain the right rubbish, either this is the first run or a possible overrun was detected, or something changed it intentionally; it DOES contain: %s\n", var->name, var->string);
1027 Cvar_SetQuick(var, buf);
1031 #endif /* FILLALLCVARSWITHRUBBISH */