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", "");
400 else if (!strcmp(var->name, "net_slist_favorites"))
401 NetConn_UpdateFavorites();
404 Cvar_UpdateAutoCvar(var);
407 void Cvar_SetQuick (cvar_t *var, const char *value)
411 Con_Print("Cvar_SetQuick: var == NULL\n");
415 if (developer_extra.integer)
416 Con_DPrintf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
418 Cvar_SetQuick_Internal(var, value);
421 void Cvar_Set (const char *var_name, const char *value)
424 var = Cvar_FindVar (var_name);
427 Con_Printf("Cvar_Set: variable %s not found\n", var_name);
430 Cvar_SetQuick(var, value);
438 void Cvar_SetValueQuick(cvar_t *var, float value)
440 char val[MAX_INPUTLINE];
442 if ((float)((int)value) == value)
443 dpsnprintf(val, sizeof(val), "%i", (int)value);
445 dpsnprintf(val, sizeof(val), "%f", value);
446 Cvar_SetQuick(var, val);
449 void Cvar_SetValue(const char *var_name, float value)
451 char val[MAX_INPUTLINE];
453 if ((float)((int)value) == value)
454 dpsnprintf(val, sizeof(val), "%i", (int)value);
456 dpsnprintf(val, sizeof(val), "%f", value);
457 Cvar_Set(var_name, val);
462 Cvar_RegisterVariable
464 Adds a freestanding variable to the variable list.
467 void Cvar_RegisterVariable (cvar_t *variable)
470 cvar_t *current, *next, *cvar;
474 if (developer_extra.integer)
475 Con_DPrintf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
477 // first check to see if it has already been defined
478 cvar = Cvar_FindVar (variable->name);
481 if (cvar->flags & CVAR_ALLOCATED)
483 if (developer_extra.integer)
484 Con_DPrintf("... replacing existing allocated cvar {\"%s\", \"%s\", %i}\n", cvar->name, cvar->string, cvar->flags);
485 // fixed variables replace allocated ones
486 // (because the engine directly accesses fixed variables)
487 // NOTE: this isn't actually used currently
488 // (all cvars are registered before config parsing)
489 variable->flags |= (cvar->flags & ~CVAR_ALLOCATED);
490 // cvar->string is now owned by variable instead
491 variable->string = cvar->string;
492 variable->defstring = cvar->defstring;
493 variable->value = atof (variable->string);
494 variable->integer = (int) variable->value;
495 // replace cvar with this one...
496 variable->next = cvar->next;
497 if (cvar_vars == cvar)
499 // head of the list is easy to change
500 cvar_vars = variable;
504 // otherwise find it somewhere in the list
505 for (current = cvar_vars;current->next != cvar;current = current->next)
507 current->next = variable;
510 // get rid of old allocated cvar
511 // (but not cvar->string and cvar->defstring, because we kept those)
512 Z_Free((char *)cvar->name);
516 Con_DPrintf("Can't register variable %s, already defined\n", variable->name);
520 // check for overlap with a command
521 if (Cmd_Exists (variable->name))
523 Con_Printf("Cvar_RegisterVariable: %s is a command\n", variable->name);
527 // copy the value off, because future sets will Z_Free it
528 oldstr = (char *)variable->string;
529 alloclen = strlen(variable->string) + 1;
530 variable->string = (char *)Z_Malloc (alloclen);
531 memcpy ((char *)variable->string, oldstr, alloclen);
532 variable->defstring = (char *)Z_Malloc (alloclen);
533 memcpy ((char *)variable->defstring, oldstr, alloclen);
534 variable->value = atof (variable->string);
535 variable->integer = (int) variable->value;
537 // link the variable in
538 // alphanumerical order
539 for( current = NULL, next = cvar_vars ; next && strcmp( next->name, variable->name ) < 0 ; current = next, next = next->next )
542 current->next = variable;
544 cvar_vars = variable;
546 variable->next = next;
548 // link to head of list in this hash table index
549 hashindex = CRC_Block((const unsigned char *)variable->name, strlen(variable->name)) % CVAR_HASHSIZE;
550 variable->nextonhashchain = cvar_hashtable[hashindex];
551 cvar_hashtable[hashindex] = variable;
558 Adds a newly allocated variable to the variable list or sets its value.
561 cvar_t *Cvar_Get (const char *name, const char *value, int flags, const char *newdescription)
564 cvar_t *current, *next, *cvar;
566 if (developer_extra.integer)
567 Con_DPrintf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
569 // first check to see if it has already been defined
570 cvar = Cvar_FindVar (name);
573 cvar->flags |= flags;
574 Cvar_SetQuick_Internal (cvar, value);
575 if(newdescription && (cvar->flags & CVAR_ALLOCATED))
577 if(cvar->description != cvar_dummy_description)
578 Z_Free((char *)cvar->description);
581 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
583 cvar->description = cvar_dummy_description;
588 // check for pure evil
591 Con_Printf("Cvar_Get: invalid variable name\n");
595 // check for overlap with a command
596 if (Cmd_Exists (name))
598 Con_Printf("Cvar_Get: %s is a command\n", name);
602 // allocate a new cvar, cvar name, and cvar string
603 // TODO: factorize the following code with the one at the end of Cvar_RegisterVariable()
604 // FIXME: these never get Z_Free'd
605 cvar = (cvar_t *)Z_Malloc(sizeof(cvar_t));
606 cvar->flags = flags | CVAR_ALLOCATED;
607 cvar->name = (char *)Mem_strdup(zonemempool, name);
608 cvar->string = (char *)Mem_strdup(zonemempool, value);
609 cvar->defstring = (char *)Mem_strdup(zonemempool, value);
610 cvar->value = atof (cvar->string);
611 cvar->integer = (int) cvar->value;
613 if(newdescription && *newdescription)
614 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
616 cvar->description = cvar_dummy_description; // actually checked by VM_cvar_type
618 // link the variable in
619 // alphanumerical order
620 for( current = NULL, next = cvar_vars ; next && strcmp( next->name, cvar->name ) < 0 ; current = next, next = next->next )
623 current->next = cvar;
628 // link to head of list in this hash table index
629 hashindex = CRC_Block((const unsigned char *)cvar->name, strlen(cvar->name)) % CVAR_HASHSIZE;
630 cvar->nextonhashchain = cvar_hashtable[hashindex];
631 cvar_hashtable[hashindex] = cvar;
641 Handles variable inspection and changing from the console
644 qboolean Cvar_Command (void)
649 v = Cvar_FindVar (Cmd_Argv(0));
653 // perform a variable print or set
656 Con_Printf("\"%s\" is \"%s\" [\"%s\"]\n", v->name, ((v->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : v->string), v->defstring);
660 if (developer_extra.integer)
661 Con_DPrint("Cvar_Command: ");
663 if (v->flags & CVAR_READONLY)
665 Con_Printf("%s is read-only\n", v->name);
668 Cvar_Set (v->name, Cmd_Argv(1));
669 if (developer_extra.integer)
675 void Cvar_UnlockDefaults (void)
678 // unlock the default values of all cvars
679 for (var = cvar_vars ; var ; var = var->next)
680 var->flags &= ~CVAR_DEFAULTSET;
684 void Cvar_LockDefaults_f (void)
687 // lock in the default values of all cvars
688 for (var = cvar_vars ; var ; var = var->next)
690 if (!(var->flags & CVAR_DEFAULTSET))
694 //Con_Printf("locking cvar %s (%s -> %s)\n", var->name, var->string, var->defstring);
695 var->flags |= CVAR_DEFAULTSET;
696 Z_Free((char *)var->defstring);
697 alloclen = strlen(var->string) + 1;
698 var->defstring = (char *)Z_Malloc(alloclen);
699 memcpy((char *)var->defstring, var->string, alloclen);
704 void Cvar_SaveInitState(void)
707 for (c = cvar_vars;c;c = c->next)
710 c->initflags = c->flags;
711 c->initdefstring = Mem_strdup(zonemempool, c->defstring);
712 c->initstring = Mem_strdup(zonemempool, c->string);
713 c->initvalue = c->value;
714 c->initinteger = c->integer;
715 VectorCopy(c->vector, c->initvector);
719 void Cvar_RestoreInitState(void)
724 for (cp = &cvar_vars;(c = *cp);)
728 // restore this cvar, it existed at init
729 if (((c->flags ^ c->initflags) & CVAR_MAXFLAGSVAL)
730 || strcmp(c->defstring ? c->defstring : "", c->initdefstring ? c->initdefstring : "")
731 || strcmp(c->string ? c->string : "", c->initstring ? c->initstring : ""))
733 Con_DPrintf("Cvar_RestoreInitState: Restoring cvar \"%s\"\n", c->name);
735 Z_Free((char *)c->defstring);
736 c->defstring = Mem_strdup(zonemempool, c->initdefstring);
738 Z_Free((char *)c->string);
739 c->string = Mem_strdup(zonemempool, c->initstring);
741 c->flags = c->initflags;
742 c->value = c->initvalue;
743 c->integer = c->initinteger;
744 VectorCopy(c->initvector, c->vector);
749 if (!(c->flags & CVAR_ALLOCATED))
751 Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it was registered after init!\n", c->name);
755 // remove this cvar, it did not exist at init
756 Con_DPrintf("Cvar_RestoreInitState: Destroying cvar \"%s\"\n", c->name);
757 // unlink struct from hash
758 hashindex = CRC_Block((const unsigned char *)c->name, strlen(c->name)) % CVAR_HASHSIZE;
759 for (cp2 = &cvar_hashtable[hashindex];(c2 = *cp2);)
763 *cp2 = c2->nextonhashchain;
767 cp2 = &c2->nextonhashchain;
769 // unlink struct from main list
773 Z_Free((char *)c->defstring);
775 Z_Free((char *)c->string);
776 if (c->description && c->description != cvar_dummy_description)
777 Z_Free((char *)c->description);
784 void Cvar_ResetToDefaults_All_f (void)
787 // restore the default values of all cvars
788 for (var = cvar_vars ; var ; var = var->next)
789 if((var->flags & CVAR_NORESETTODEFAULTS) == 0)
790 Cvar_SetQuick(var, var->defstring);
794 void Cvar_ResetToDefaults_NoSaveOnly_f (void)
797 // restore the default values of all cvars
798 for (var = cvar_vars ; var ; var = var->next)
799 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == 0)
800 Cvar_SetQuick(var, var->defstring);
804 void Cvar_ResetToDefaults_SaveOnly_f (void)
807 // restore the default values of all cvars
808 for (var = cvar_vars ; var ; var = var->next)
809 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == CVAR_SAVE)
810 Cvar_SetQuick(var, var->defstring);
818 Writes lines containing "set variable value" for all variables
819 with the archive flag set to true.
822 void Cvar_WriteVariables (qfile_t *f)
825 char buf1[MAX_INPUTLINE], buf2[MAX_INPUTLINE];
827 // don't save cvars that match their default value
828 for (var = cvar_vars ; var ; var = var->next)
829 if ((var->flags & CVAR_SAVE) && (strcmp(var->string, var->defstring) || ((var->flags & CVAR_ALLOCATED) && !(var->flags & CVAR_DEFAULTSET))))
831 Cmd_QuoteString(buf1, sizeof(buf1), var->name, "\"\\$", false);
832 Cmd_QuoteString(buf2, sizeof(buf2), var->string, "\"\\$", false);
833 FS_Printf(f, "%s\"%s\" \"%s\"\n", var->flags & CVAR_ALLOCATED ? "seta " : "", buf1, buf2);
838 // Added by EvilTypeGuy eviltypeguy@qeradiant.com
839 // 2000-01-09 CvarList command By Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
845 void Cvar_List_f (void)
855 partial = Cmd_Argv (1);
856 len = strlen(partial);
857 ispattern = (strchr(partial, '*') || strchr(partial, '?'));
867 for (cvar = cvar_vars; cvar; cvar = cvar->next)
869 if (len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp (partial,cvar->name,len)))
872 Con_Printf("%s is \"%s\" [\"%s\"] %s\n", cvar->name, ((cvar->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : cvar->string), cvar->defstring, cvar->description);
879 Con_Printf("%i cvar%s matching \"%s\"\n", count, (count > 1) ? "s" : "", partial);
881 Con_Printf("%i cvar%s beginning with \"%s\"\n", count, (count > 1) ? "s" : "", partial);
884 Con_Printf("%i cvar(s)\n", count);
886 // 2000-01-09 CvarList command by Maddes
888 void Cvar_Set_f (void)
892 // make sure it's the right number of parameters
895 Con_Printf("Set: wrong number of parameters, usage: set <variablename> <value> [<description>]\n");
899 // check if it's read-only
900 cvar = Cvar_FindVar(Cmd_Argv(1));
901 if (cvar && cvar->flags & CVAR_READONLY)
903 Con_Printf("Set: %s is read-only\n", cvar->name);
907 if (developer_extra.integer)
910 // all looks ok, create/modify the cvar
911 Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), 0, Cmd_Argc() > 3 ? Cmd_Argv(3) : NULL);
914 void Cvar_SetA_f (void)
918 // make sure it's the right number of parameters
921 Con_Printf("SetA: wrong number of parameters, usage: seta <variablename> <value> [<description>]\n");
925 // check if it's read-only
926 cvar = Cvar_FindVar(Cmd_Argv(1));
927 if (cvar && cvar->flags & CVAR_READONLY)
929 Con_Printf("SetA: %s is read-only\n", cvar->name);
933 if (developer_extra.integer)
934 Con_DPrint("SetA: ");
936 // all looks ok, create/modify the cvar
937 Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), CVAR_SAVE, Cmd_Argc() > 3 ? Cmd_Argv(3) : NULL);
940 void Cvar_Del_f (void)
943 cvar_t *cvar, *parent, **link, *prev;
947 Con_Printf("Del: wrong number of parameters, useage: unset <variablename1> [<variablename2> ...]\n");
950 for(i = 1; i < Cmd_Argc(); ++i)
952 cvar = Cvar_FindVarLink(Cmd_Argv(i), &parent, &link, &prev);
955 Con_Printf("Del: %s is not defined\n", Cmd_Argv(i));
958 if(cvar->flags & CVAR_READONLY)
960 Con_Printf("Del: %s is read-only\n", cvar->name);
963 if(!(cvar->flags & CVAR_ALLOCATED))
965 Con_Printf("Del: %s is static and cannot be deleted\n", cvar->name);
968 if(cvar == cvar_vars)
970 cvar_vars = cvar->next;
974 // in this case, prev must be set, otherwise there has been some inconsistensy
975 // elsewhere already... should I still check for prev != NULL?
976 prev->next = cvar->next;
980 parent->nextonhashchain = cvar->nextonhashchain;
982 *link = cvar->nextonhashchain;
984 if(cvar->description != cvar_dummy_description)
985 Z_Free((char *)cvar->description);
987 Z_Free((char *)cvar->name);
988 Z_Free((char *)cvar->string);
989 Z_Free((char *)cvar->defstring);
994 #ifdef FILLALLCVARSWITHRUBBISH
995 void Cvar_FillAll_f()
1003 Con_Printf("Usage: %s length to plant rubbish\n", Cmd_Argv(0));
1004 Con_Printf("Usage: %s -length to verify that the rubbish is still there\n", Cmd_Argv(0));
1007 n = atoi(Cmd_Argv(1));
1011 buf = Z_Malloc(n + 1);
1013 for(var = cvar_vars; var; var = var->next)
1015 for(i = 0, p = buf, q = var->name; i < n; ++i)
1021 if(verify && strcmp(var->string, buf))
1023 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);
1025 Cvar_SetQuick(var, buf);
1029 #endif /* FILLALLCVARSWITHRUBBISH */