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 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)
270 Host_Error("Cvar_UpdateAutoCvar: no prog set");
271 i = PRVM_GetProgNr();
272 if(var->globaldefindex_progid[i] == prog->id)
274 // MUST BE SYNCED WITH prvm_edict.c PRVM_LoadProgs
278 switch(prog->globaldefs[var->globaldefindex[i]].type & ~DEF_SAVEGLOBAL)
281 PRVM_GLOBALFIELDFLOAT(prog->globaldefs[var->globaldefindex[i]].ofs) = var->value;
286 for (j = 0;j < 3;j++)
288 while (*s && ISWHITESPACE(*s))
293 while (!ISWHITESPACE(*s))
298 VectorCopy(v, PRVM_GLOBALFIELDVECTOR(prog->globaldefs[var->globaldefindex[i]].ofs));
301 PRVM_ChangeEngineString(var->globaldefindex_stringno[i], var->string);
302 PRVM_GLOBALFIELDSTRING(prog->globaldefs[var->globaldefindex[i]].ofs) = var->globaldefindex_stringno[i];
308 // called after loading a savegame
309 void Cvar_UpdateAllAutoCvars(void)
312 for (var = cvar_vars ; var ; var = var->next)
313 Cvar_UpdateAutoCvar(var);
321 extern cvar_t sv_disablenotify;
322 void Cvar_SetQuick_Internal (cvar_t *var, const char *value)
326 prvm_prog_t *tmpprog;
329 changed = strcmp(var->string, value) != 0;
330 // LordHavoc: don't reallocate when there is no change
334 // LordHavoc: don't reallocate when the buffer is the same size
335 valuelen = strlen(value);
336 if (!var->string || strlen(var->string) != valuelen)
338 Z_Free ((char *)var->string); // free the old value string
340 var->string = (char *)Z_Malloc (valuelen + 1);
342 memcpy ((char *)var->string, value, valuelen + 1);
343 var->value = atof (var->string);
344 var->integer = (int) var->value;
345 if ((var->flags & CVAR_NOTIFY) && changed && sv.active && !sv_disablenotify.integer)
346 SV_BroadcastPrintf("\"%s\" changed to \"%s\"\n", var->name, var->string);
348 // TODO: add infostring support to the server?
349 if ((var->flags & CVAR_SERVERINFO) && changed && sv.active)
351 InfoString_SetValue(svs.serverinfo, sizeof(svs.serverinfo), var->name, var->string);
354 MSG_WriteByte (&sv.reliable_datagram, svc_serverinfostring);
355 MSG_WriteString (&sv.reliable_datagram, var->name);
356 MSG_WriteString (&sv.reliable_datagram, var->string);
360 if ((var->flags & CVAR_USERINFO) && cls.state != ca_dedicated)
361 CL_SetInfo(var->name, var->string, true, false, false, false);
362 else if ((var->flags & CVAR_NQUSERINFOHACK) && cls.state != ca_dedicated)
364 // update the cls.userinfo to have proper values for the
365 // silly nq config variables.
367 // this is done when these variables are changed rather than at
368 // connect time because if the user or code checks the userinfo and it
369 // holds weird values it may cause confusion...
370 if (!strcmp(var->name, "_cl_color"))
372 int top = (var->integer >> 4) & 15, bottom = var->integer & 15;
373 CL_SetInfo("topcolor", va("%i", top), true, false, false, false);
374 CL_SetInfo("bottomcolor", va("%i", bottom), true, false, false, false);
375 if (cls.protocol != PROTOCOL_QUAKEWORLD && cls.netcon)
377 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
378 MSG_WriteString(&cls.netcon->message, va("color %i %i", top, bottom));
381 else if (!strcmp(var->name, "_cl_rate"))
382 CL_SetInfo("rate", va("%i", var->integer), true, false, false, false);
383 else if (!strcmp(var->name, "_cl_playerskin"))
384 CL_SetInfo("playerskin", var->string, true, false, false, false);
385 else if (!strcmp(var->name, "_cl_playermodel"))
386 CL_SetInfo("playermodel", var->string, true, false, false, false);
387 else if (!strcmp(var->name, "_cl_name"))
388 CL_SetInfo("name", var->string, true, false, false, false);
389 else if (!strcmp(var->name, "rcon_secure"))
391 // whenever rcon_secure is changed to 0, clear rcon_password for
392 // security reasons (prevents a send-rcon-password-as-plaintext
393 // attack based on NQ protocol session takeover and svc_stufftext)
394 if(var->integer <= 0)
395 Cvar_Set("rcon_password", "");
397 else if (!strcmp(var->name, "net_slist_favorites"))
398 NetConn_UpdateFavorites();
402 for(i = 0; i < PRVM_MAXPROGS; ++i)
404 if(PRVM_ProgLoaded(i))
407 Cvar_UpdateAutoCvar(var);
413 void Cvar_SetQuick (cvar_t *var, const char *value)
417 Con_Print("Cvar_SetQuick: var == NULL\n");
421 if (developer_extra.integer)
422 Con_DPrintf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
424 Cvar_SetQuick_Internal(var, value);
427 void Cvar_Set (const char *var_name, const char *value)
430 var = Cvar_FindVar (var_name);
433 Con_Printf("Cvar_Set: variable %s not found\n", var_name);
436 Cvar_SetQuick(var, value);
444 void Cvar_SetValueQuick(cvar_t *var, float value)
446 char val[MAX_INPUTLINE];
448 if ((float)((int)value) == value)
449 dpsnprintf(val, sizeof(val), "%i", (int)value);
451 dpsnprintf(val, sizeof(val), "%f", value);
452 Cvar_SetQuick(var, val);
455 void Cvar_SetValue(const char *var_name, float value)
457 char val[MAX_INPUTLINE];
459 if ((float)((int)value) == value)
460 dpsnprintf(val, sizeof(val), "%i", (int)value);
462 dpsnprintf(val, sizeof(val), "%f", value);
463 Cvar_Set(var_name, val);
468 Cvar_RegisterVariable
470 Adds a freestanding variable to the variable list.
473 void Cvar_RegisterVariable (cvar_t *variable)
476 cvar_t *current, *next, *cvar;
480 if (developer_extra.integer)
481 Con_DPrintf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
483 // first check to see if it has already been defined
484 cvar = Cvar_FindVar (variable->name);
487 if (cvar->flags & CVAR_ALLOCATED)
489 if (developer_extra.integer)
490 Con_DPrintf("... replacing existing allocated cvar {\"%s\", \"%s\", %i}\n", cvar->name, cvar->string, cvar->flags);
491 // fixed variables replace allocated ones
492 // (because the engine directly accesses fixed variables)
493 // NOTE: this isn't actually used currently
494 // (all cvars are registered before config parsing)
495 variable->flags |= (cvar->flags & ~CVAR_ALLOCATED);
496 // cvar->string is now owned by variable instead
497 variable->string = cvar->string;
498 variable->defstring = cvar->defstring;
499 variable->value = atof (variable->string);
500 variable->integer = (int) variable->value;
501 // replace cvar with this one...
502 variable->next = cvar->next;
503 if (cvar_vars == cvar)
505 // head of the list is easy to change
506 cvar_vars = variable;
510 // otherwise find it somewhere in the list
511 for (current = cvar_vars;current->next != cvar;current = current->next)
513 current->next = variable;
516 // get rid of old allocated cvar
517 // (but not cvar->string and cvar->defstring, because we kept those)
518 Z_Free((char *)cvar->name);
522 Con_DPrintf("Can't register variable %s, already defined\n", variable->name);
526 // check for overlap with a command
527 if (Cmd_Exists (variable->name))
529 Con_Printf("Cvar_RegisterVariable: %s is a command\n", variable->name);
533 // copy the value off, because future sets will Z_Free it
534 oldstr = (char *)variable->string;
535 alloclen = strlen(variable->string) + 1;
536 variable->string = (char *)Z_Malloc (alloclen);
537 memcpy ((char *)variable->string, oldstr, alloclen);
538 variable->defstring = (char *)Z_Malloc (alloclen);
539 memcpy ((char *)variable->defstring, oldstr, alloclen);
540 variable->value = atof (variable->string);
541 variable->integer = (int) variable->value;
543 // link the variable in
544 // alphanumerical order
545 for( current = NULL, next = cvar_vars ; next && strcmp( next->name, variable->name ) < 0 ; current = next, next = next->next )
548 current->next = variable;
550 cvar_vars = variable;
552 variable->next = next;
554 // link to head of list in this hash table index
555 hashindex = CRC_Block((const unsigned char *)variable->name, strlen(variable->name)) % CVAR_HASHSIZE;
556 variable->nextonhashchain = cvar_hashtable[hashindex];
557 cvar_hashtable[hashindex] = variable;
564 Adds a newly allocated variable to the variable list or sets its value.
567 cvar_t *Cvar_Get (const char *name, const char *value, int flags, const char *newdescription)
570 cvar_t *current, *next, *cvar;
572 if (developer_extra.integer)
573 Con_DPrintf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
575 // first check to see if it has already been defined
576 cvar = Cvar_FindVar (name);
579 cvar->flags |= flags;
580 Cvar_SetQuick_Internal (cvar, value);
581 if(newdescription && (cvar->flags & CVAR_ALLOCATED))
583 if(cvar->description != cvar_dummy_description)
584 Z_Free((char *)cvar->description);
587 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
589 cvar->description = cvar_dummy_description;
594 // check for pure evil
597 Con_Printf("Cvar_Get: invalid variable name\n");
601 // check for overlap with a command
602 if (Cmd_Exists (name))
604 Con_Printf("Cvar_Get: %s is a command\n", name);
608 // allocate a new cvar, cvar name, and cvar string
609 // TODO: factorize the following code with the one at the end of Cvar_RegisterVariable()
610 // FIXME: these never get Z_Free'd
611 cvar = (cvar_t *)Z_Malloc(sizeof(cvar_t));
612 cvar->flags = flags | CVAR_ALLOCATED;
613 cvar->name = (char *)Mem_strdup(zonemempool, name);
614 cvar->string = (char *)Mem_strdup(zonemempool, value);
615 cvar->defstring = (char *)Mem_strdup(zonemempool, value);
616 cvar->value = atof (cvar->string);
617 cvar->integer = (int) cvar->value;
619 if(newdescription && *newdescription)
620 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
622 cvar->description = cvar_dummy_description; // actually checked by VM_cvar_type
624 // link the variable in
625 // alphanumerical order
626 for( current = NULL, next = cvar_vars ; next && strcmp( next->name, cvar->name ) < 0 ; current = next, next = next->next )
629 current->next = cvar;
634 // link to head of list in this hash table index
635 hashindex = CRC_Block((const unsigned char *)cvar->name, strlen(cvar->name)) % CVAR_HASHSIZE;
636 cvar->nextonhashchain = cvar_hashtable[hashindex];
637 cvar_hashtable[hashindex] = cvar;
647 Handles variable inspection and changing from the console
650 qboolean Cvar_Command (void)
655 v = Cvar_FindVar (Cmd_Argv(0));
659 // perform a variable print or set
662 Con_Printf("\"%s\" is \"%s\" [\"%s\"]\n", v->name, ((v->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : v->string), v->defstring);
666 if (developer_extra.integer)
667 Con_DPrint("Cvar_Command: ");
669 if (v->flags & CVAR_READONLY)
671 Con_Printf("%s is read-only\n", v->name);
674 Cvar_Set (v->name, Cmd_Argv(1));
675 if (developer_extra.integer)
681 void Cvar_UnlockDefaults (void)
684 // unlock the default values of all cvars
685 for (var = cvar_vars ; var ; var = var->next)
686 var->flags &= ~CVAR_DEFAULTSET;
690 void Cvar_LockDefaults_f (void)
693 // lock in the default values of all cvars
694 for (var = cvar_vars ; var ; var = var->next)
696 if (!(var->flags & CVAR_DEFAULTSET))
700 //Con_Printf("locking cvar %s (%s -> %s)\n", var->name, var->string, var->defstring);
701 var->flags |= CVAR_DEFAULTSET;
702 Z_Free((char *)var->defstring);
703 alloclen = strlen(var->string) + 1;
704 var->defstring = (char *)Z_Malloc(alloclen);
705 memcpy((char *)var->defstring, var->string, alloclen);
710 void Cvar_SaveInitState(void)
713 for (c = cvar_vars;c;c = c->next)
716 c->initflags = c->flags;
717 c->initdefstring = Mem_strdup(zonemempool, c->defstring);
718 c->initstring = Mem_strdup(zonemempool, c->string);
719 c->initvalue = c->value;
720 c->initinteger = c->integer;
721 VectorCopy(c->vector, c->initvector);
725 void Cvar_RestoreInitState(void)
730 for (cp = &cvar_vars;(c = *cp);)
734 // restore this cvar, it existed at init
735 if (((c->flags ^ c->initflags) & CVAR_MAXFLAGSVAL)
736 || strcmp(c->defstring ? c->defstring : "", c->initdefstring ? c->initdefstring : "")
737 || strcmp(c->string ? c->string : "", c->initstring ? c->initstring : ""))
739 Con_DPrintf("Cvar_RestoreInitState: Restoring cvar \"%s\"\n", c->name);
741 Z_Free((char *)c->defstring);
742 c->defstring = Mem_strdup(zonemempool, c->initdefstring);
744 Z_Free((char *)c->string);
745 c->string = Mem_strdup(zonemempool, c->initstring);
747 c->flags = c->initflags;
748 c->value = c->initvalue;
749 c->integer = c->initinteger;
750 VectorCopy(c->initvector, c->vector);
755 if (!(c->flags & CVAR_ALLOCATED))
757 Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it was registered after init!\n", c->name);
760 // remove this cvar, it did not exist at init
761 Con_DPrintf("Cvar_RestoreInitState: Destroying cvar \"%s\"\n", c->name);
762 // unlink struct from hash
763 hashindex = CRC_Block((const unsigned char *)c->name, strlen(c->name)) % CVAR_HASHSIZE;
764 for (cp2 = &cvar_hashtable[hashindex];(c2 = *cp2);)
768 *cp2 = c2->nextonhashchain;
772 cp2 = &c2->nextonhashchain;
774 // unlink struct from main list
778 Z_Free((char *)c->defstring);
780 Z_Free((char *)c->string);
781 if (c->description && c->description != cvar_dummy_description)
782 Z_Free((char *)c->description);
789 void Cvar_ResetToDefaults_All_f (void)
792 // restore the default values of all cvars
793 for (var = cvar_vars ; var ; var = var->next)
794 if((var->flags & CVAR_NORESETTODEFAULTS) == 0)
795 Cvar_SetQuick(var, var->defstring);
799 void Cvar_ResetToDefaults_NoSaveOnly_f (void)
802 // restore the default values of all cvars
803 for (var = cvar_vars ; var ; var = var->next)
804 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == 0)
805 Cvar_SetQuick(var, var->defstring);
809 void Cvar_ResetToDefaults_SaveOnly_f (void)
812 // restore the default values of all cvars
813 for (var = cvar_vars ; var ; var = var->next)
814 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == CVAR_SAVE)
815 Cvar_SetQuick(var, var->defstring);
823 Writes lines containing "set variable value" for all variables
824 with the archive flag set to true.
827 void Cvar_WriteVariables (qfile_t *f)
830 char buf1[MAX_INPUTLINE], buf2[MAX_INPUTLINE];
832 // don't save cvars that match their default value
833 for (var = cvar_vars ; var ; var = var->next)
834 if ((var->flags & CVAR_SAVE) && (strcmp(var->string, var->defstring) || ((var->flags & CVAR_ALLOCATED) && !(var->flags & CVAR_DEFAULTSET))))
836 Cmd_QuoteString(buf1, sizeof(buf1), var->name, "\"\\$", false);
837 Cmd_QuoteString(buf2, sizeof(buf2), var->string, "\"\\$", false);
838 FS_Printf(f, "%s\"%s\" \"%s\"\n", var->flags & CVAR_ALLOCATED ? "seta " : "", buf1, buf2);
843 // Added by EvilTypeGuy eviltypeguy@qeradiant.com
844 // 2000-01-09 CvarList command By Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
850 void Cvar_List_f (void)
860 partial = Cmd_Argv (1);
861 len = strlen(partial);
869 ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
872 for (cvar = cvar_vars; cvar; cvar = cvar->next)
874 if (len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp (partial,cvar->name,len)))
877 Con_Printf("%s is \"%s\" [\"%s\"] %s\n", cvar->name, ((cvar->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : cvar->string), cvar->defstring, cvar->description);
884 Con_Printf("%i cvar%s matching \"%s\"\n", count, (count > 1) ? "s" : "", partial);
886 Con_Printf("%i cvar%s beginning with \"%s\"\n", count, (count > 1) ? "s" : "", partial);
889 Con_Printf("%i cvar(s)\n", count);
891 // 2000-01-09 CvarList command by Maddes
893 void Cvar_Set_f (void)
897 // make sure it's the right number of parameters
900 Con_Printf("Set: wrong number of parameters, usage: set <variablename> <value> [<description>]\n");
904 // check if it's read-only
905 cvar = Cvar_FindVar(Cmd_Argv(1));
906 if (cvar && cvar->flags & CVAR_READONLY)
908 Con_Printf("Set: %s is read-only\n", cvar->name);
912 if (developer_extra.integer)
915 // all looks ok, create/modify the cvar
916 Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), 0, Cmd_Argc() > 3 ? Cmd_Argv(3) : NULL);
919 void Cvar_SetA_f (void)
923 // make sure it's the right number of parameters
926 Con_Printf("SetA: wrong number of parameters, usage: seta <variablename> <value> [<description>]\n");
930 // check if it's read-only
931 cvar = Cvar_FindVar(Cmd_Argv(1));
932 if (cvar && cvar->flags & CVAR_READONLY)
934 Con_Printf("SetA: %s is read-only\n", cvar->name);
938 if (developer_extra.integer)
939 Con_DPrint("SetA: ");
941 // all looks ok, create/modify the cvar
942 Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), CVAR_SAVE, Cmd_Argc() > 3 ? Cmd_Argv(3) : NULL);
945 void Cvar_Del_f (void)
948 cvar_t *cvar, *parent, **link, *prev;
952 Con_Printf("Del: wrong number of parameters, useage: unset <variablename1> [<variablename2> ...]\n");
955 for(i = 1; i < Cmd_Argc(); ++i)
957 cvar = Cvar_FindVarLink(Cmd_Argv(i), &parent, &link, &prev);
960 Con_Printf("Del: %s is not defined\n", Cmd_Argv(i));
963 if(cvar->flags & CVAR_READONLY)
965 Con_Printf("Del: %s is read-only\n", cvar->name);
968 if(!(cvar->flags & CVAR_ALLOCATED))
970 Con_Printf("Del: %s is static and cannot be deleted\n", cvar->name);
973 if(cvar == cvar_vars)
975 cvar_vars = cvar->next;
979 // in this case, prev must be set, otherwise there has been some inconsistensy
980 // elsewhere already... should I still check for prev != NULL?
981 prev->next = cvar->next;
985 parent->nextonhashchain = cvar->nextonhashchain;
987 *link = cvar->nextonhashchain;
989 if(cvar->description != cvar_dummy_description)
990 Z_Free((char *)cvar->description);
992 Z_Free((char *)cvar->name);
993 Z_Free((char *)cvar->string);
994 Z_Free((char *)cvar->defstring);
999 #ifdef FILLALLCVARSWITHRUBBISH
1000 void Cvar_FillAll_f()
1008 Con_Printf("Usage: %s length to plant rubbish\n", Cmd_Argv(0));
1009 Con_Printf("Usage: %s -length to verify that the rubbish is still there\n", Cmd_Argv(0));
1012 n = atoi(Cmd_Argv(1));
1016 buf = Z_Malloc(n + 1);
1018 for(var = cvar_vars; var; var = var->next)
1020 for(i = 0, p = buf, q = var->name; i < n; ++i)
1026 if(verify && strcmp(var->string, buf))
1028 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);
1030 Cvar_SetQuick(var, buf);
1034 #endif /* FILLALLCVARSWITHRUBBISH */