cvar.c File Reference

#include "../game/q_shared.h"
#include "qcommon.h"

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Defines
#define	FILE_HASH_SIZE   256
#define	MAX_CVARS   1024
Functions
qboolean	Cvar_Command (void)
void	Cvar_CommandCompletion (void(*callback)(const char *s))
cvar_t *	Cvar_FindVar (const char *var_name)
cvar_t *	Cvar_Get (const char *var_name, const char *var_value, int flags)
char *	Cvar_InfoString (int bit)
char *	Cvar_InfoString_Big (int bit)
void	Cvar_InfoStringBuffer (int bit, char *buff, int buffsize)
void	Cvar_Init (void)
void	Cvar_List_f (void)
void	Cvar_Register (vmCvar_t *vmCvar, const char *varName, const char *defaultValue, int flags)
void	Cvar_Reset (const char *var_name)
void	Cvar_Reset_f (void)
void	Cvar_Restart_f (void)
void	Cvar_Set (const char *var_name, const char *value)
cvar_t *	Cvar_Set2 (const char *var_name, const char *value, qboolean force)
void	Cvar_Set_f (void)
void	Cvar_SetA_f (void)
void	Cvar_SetCheatState (void)
void	Cvar_SetLatched (const char *var_name, const char *value)
void	Cvar_SetS_f (void)
void	Cvar_SetU_f (void)
void	Cvar_SetValue (const char *var_name, float value)
void	Cvar_Toggle_f (void)
void	Cvar_Update (vmCvar_t *vmCvar)
qboolean	Cvar_ValidateString (const char *s)
int	Cvar_VariableIntegerValue (const char *var_name)
char *	Cvar_VariableString (const char *var_name)
void	Cvar_VariableStringBuffer (const char *var_name, char *buffer, int bufsize)
float	Cvar_VariableValue (const char *var_name)
void	Cvar_WriteVariables (fileHandle_t f)
long	generateHashValue (const char *fname)
Variables
cvar_t *	cvar_cheats
cvar_t	cvar_indexes [MAX_CVARS]
int	cvar_modifiedFlags
int	cvar_numIndexes
cvar_t *	cvar_vars
cvar_t *	hashTable [FILE_HASH_SIZE]

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Define Documentation

#define FILE_HASH_SIZE   256

Definition at line 35 of file cvar.c. Referenced by Com_HashString(), generateHashValue(), GeneratePermanentShader(), R_FindShader(), R_FindShaderByName(), R_RemapShader(), and RE_RegisterShaderFromImage().

#define MAX_CVARS   1024

Definition at line 31 of file cvar.c.

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Function Documentation

qboolean Cvar_Command (  void   )

Definition at line 471 of file cvar.c. References Cmd_Argc(), Cmd_Argv(), Com_Printf(), Cvar_FindVar(), Cvar_Set2(), cvar_t, cvar_s::latchedString, cvar_s::name, qboolean, qfalse, cvar_s::resetString, S_COLOR_WHITE, cvar_s::string, and v. Referenced by Cmd_ExecuteString(). { cvar_t *v; // check variables v = Cvar_FindVar (Cmd_Argv(0)); if (!v) { return qfalse; } // perform a variable print or set if ( Cmd_Argc() == 1 ) { Com_Printf ("\"%s\" is:\"%s" S_COLOR_WHITE "\" default:\"%s" S_COLOR_WHITE "\"\n", v->name, v->string, v->resetString ); if ( v->latchedString ) { Com_Printf( "latched: \"%s\"\n", v->latchedString ); } return qtrue; } // set the value if forcing isn't required Cvar_Set2 (v->name, Cmd_Argv(1), qfalse); return qtrue; }

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void Cvar_CommandCompletion (  void(*)(const char *s)  callback  )

Definition at line 170 of file cvar.c. References cvar_t, cvar_s::name, and cvar_s::next. Referenced by Field_CompleteCommand(). { cvar_t *cvar; for ( cvar = cvar_vars ; cvar ; cvar = cvar->next ) { callback( cvar->name ); } }

cvar_t* Cvar_FindVar (  const char *  var_name  )  [static]

Definition at line 87 of file cvar.c. References cvar_t, generateHashValue(), cvar_s::hashNext, hashTable, cvar_s::name, and Q_stricmp(). Referenced by Cvar_Command(), Cvar_Get(), Cvar_Set2(), Cvar_SetA_f(), Cvar_SetS_f(), Cvar_SetU_f(), Cvar_VariableIntegerValue(), Cvar_VariableString(), Cvar_VariableStringBuffer(), and Cvar_VariableValue(). { cvar_t *var; long hash; hash = generateHashValue(var_name); for (var=hashTable[hash] ; var ; var=var->hashNext) { if (!Q_stricmp(var_name, var->name)) { return var; } } return NULL; }

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cvar_t* Cvar_Get (  const char *  var_name, const char *  var_value, int  flags )

Definition at line 187 of file cvar.c. References atof(), atoi, Com_DPrintf(), Com_Error(), Com_Printf(), CopyString(), Cvar_FindVar(), cvar_indexes, cvar_modifiedFlags, cvar_numIndexes, Cvar_Set2(), cvar_t, Cvar_ValidateString(), cvar_vars, ERR_FATAL, cvar_s::flags, generateHashValue(), cvar_s::hashNext, hashTable, cvar_s::integer, cvar_s::latchedString, cvar_s::modificationCount, cvar_s::modified, cvar_s::name, cvar_s::next, qtrue, cvar_s::resetString, s, strcmp(), cvar_s::string, cvar_s::value, and Z_Free(). Referenced by BotDrawDebugPolygons(), CL_Init(), CL_InitInput(), CL_RequestAuthorization(), CL_UISystemCalls(), CLUI_GetCDKey(), CLUI_SetCDKey(), CM_DrawDebugSurface(), CM_LoadMap(), CM_TracePointThroughPatchCollide(), CM_TraceThroughPatchCollide(), Com_Frame(), Com_Init(), Com_InitHunkMemory(), Com_InitJournaling(), Com_InitZoneMemory(), Com_StartupVariable(), Com_WriteConfiguration(), Con_Init(), Cvar_Init(), Cvar_Register(), Cvar_Set2(), FS_Startup(), GLimp_SetGamma(), IN_Init(), MainWndProc(), NET_GetCvars(), NET_Init(), NET_OpenIP(), NET_OpenIPX(), Netchan_Init(), S_Init(), SCR_Init(), SND_setup(), SNDDMA_Init(), SV_BotInitCvars(), SV_BoundMaxClients(), SV_GetChallenge(), SV_Init(), SV_InitGameProgs(), SV_Map_f(), Sys_ConsoleInputInit(), Sys_DisplayToUse(), Sys_Init(), Sys_InitInput(), and VM_Init(). { cvar_t *var; long hash; if ( !var_name || ! var_value ) { Com_Error( ERR_FATAL, "Cvar_Get: NULL parameter" ); } if ( !Cvar_ValidateString( var_name ) ) { Com_Printf("invalid cvar name string: %s\n", var_name ); var_name = "BADNAME"; } #if 0 // FIXME: values with backslash happen if ( !Cvar_ValidateString( var_value ) ) { Com_Printf("invalid cvar value string: %s\n", var_value ); var_value = "BADVALUE"; } #endif var = Cvar_FindVar (var_name); if ( var ) { // if the C code is now specifying a variable that the user already // set a value for, take the new value as the reset value if ( ( var->flags & CVAR_USER_CREATED ) && !( flags & CVAR_USER_CREATED ) && var_value[0] ) { var->flags &= ~CVAR_USER_CREATED; Z_Free( var->resetString ); var->resetString = CopyString( var_value ); // ZOID--needs to be set so that cvars the game sets as // SERVERINFO get sent to clients cvar_modifiedFlags |= flags; } var->flags |= flags; // only allow one non-empty reset string without a warning if ( !var->resetString[0] ) { // we don't have a reset string yet Z_Free( var->resetString ); var->resetString = CopyString( var_value ); } else if ( var_value[0] && strcmp( var->resetString, var_value ) ) { Com_DPrintf( "Warning: cvar \"%s\" given initial values: \"%s\" and \"%s\"\n", var_name, var->resetString, var_value ); } // if we have a latched string, take that value now if ( var->latchedString ) { char *s; s = var->latchedString; var->latchedString = NULL; // otherwise cvar_set2 would free it Cvar_Set2( var_name, s, qtrue ); Z_Free( s ); } // use a CVAR_SET for rom sets, get won't override #if 0 // CVAR_ROM always overrides if ( flags & CVAR_ROM ) { Cvar_Set2( var_name, var_value, qtrue ); } #endif return var; } // // allocate a new cvar // if ( cvar_numIndexes >= MAX_CVARS ) { Com_Error( ERR_FATAL, "MAX_CVARS" ); } var = &cvar_indexes[cvar_numIndexes]; cvar_numIndexes++; var->name = CopyString (var_name); var->string = CopyString (var_value); var->modified = qtrue; var->modificationCount = 1; var->value = atof (var->string); var->integer = atoi(var->string); var->resetString = CopyString( var_value ); // link the variable in var->next = cvar_vars; cvar_vars = var; var->flags = flags; hash = generateHashValue(var_name); var->hashNext = hashTable[hash]; hashTable[hash] = var; return var; }

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char* Cvar_InfoString (  int  bit  )

Definition at line 780 of file cvar.c. References cvar_t, cvar_s::flags, Info_SetValueForKey(), cvar_s::name, cvar_s::next, and cvar_s::string. Referenced by CL_CheckForResend(), CL_CheckUserinfo(), CL_Clientinfo_f(), Cvar_InfoStringBuffer(), SV_Frame(), SV_GetServerinfo(), SV_Serverinfo_f(), SV_SpawnServer(), SV_Systeminfo_f(), and SVC_Status(). { static char info[MAX_INFO_STRING]; cvar_t *var; info[0] = 0; for (var = cvar_vars ; var ; var = var->next) { if (var->flags & bit) { Info_SetValueForKey (info, var->name, var->string); } } return info; }

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char* Cvar_InfoString_Big (  int  bit  )

Definition at line 801 of file cvar.c. References cvar_t, cvar_s::flags, Info_SetValueForKey_Big(), cvar_s::name, cvar_s::next, and cvar_s::string. Referenced by SV_Frame(), and SV_SpawnServer(). { static char info[BIG_INFO_STRING]; cvar_t *var; info[0] = 0; for (var = cvar_vars ; var ; var = var->next) { if (var->flags & bit) { Info_SetValueForKey_Big (info, var->name, var->string); } } return info; }

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void Cvar_InfoStringBuffer (  int  bit, char *  buff, int  buffsize )

Definition at line 822 of file cvar.c. References Cvar_InfoString(), and Q_strncpyz(). Referenced by CL_UISystemCalls(). { Q_strncpyz(buff,Cvar_InfoString(bit),buffsize); }

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void Cvar_Init (  void   )

Definition at line 895 of file cvar.c. References Cmd_AddCommand(), cvar_cheats, Cvar_Get(), Cvar_List_f(), Cvar_Reset_f(), Cvar_Restart_f(), CVAR_ROM, Cvar_Set_f(), Cvar_SetA_f(), Cvar_SetS_f(), Cvar_SetU_f(), CVAR_SYSTEMINFO, and Cvar_Toggle_f(). Referenced by Com_Init(). { cvar_cheats = Cvar_Get("sv_cheats", "1", CVAR_ROM | CVAR_SYSTEMINFO ); Cmd_AddCommand ("toggle", Cvar_Toggle_f); Cmd_AddCommand ("set", Cvar_Set_f); Cmd_AddCommand ("sets", Cvar_SetS_f); Cmd_AddCommand ("setu", Cvar_SetU_f); Cmd_AddCommand ("seta", Cvar_SetA_f); Cmd_AddCommand ("reset", Cvar_Reset_f); Cmd_AddCommand ("cvarlist", Cvar_List_f); Cmd_AddCommand ("cvar_restart", Cvar_Restart_f); }

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void Cvar_List_f (  void   )

Definition at line 662 of file cvar.c. References Cmd_Argc(), Cmd_Argv(), Com_Filter(), Com_Printf(), cvar_numIndexes, cvar_t, cvar_s::flags, i, match(), cvar_s::name, cvar_s::next, qfalse, and cvar_s::string. Referenced by Cvar_Init(). { cvar_t *var; int i; char *match; if ( Cmd_Argc() > 1 ) { match = Cmd_Argv( 1 ); } else { match = NULL; } i = 0; for (var = cvar_vars ; var ; var = var->next, i++) { if (match && !Com_Filter(match, var->name, qfalse)) continue; if (var->flags & CVAR_SERVERINFO) { Com_Printf("S"); } else { Com_Printf(" "); } if (var->flags & CVAR_USERINFO) { Com_Printf("U"); } else { Com_Printf(" "); } if (var->flags & CVAR_ROM) { Com_Printf("R"); } else { Com_Printf(" "); } if (var->flags & CVAR_INIT) { Com_Printf("I"); } else { Com_Printf(" "); } if (var->flags & CVAR_ARCHIVE) { Com_Printf("A"); } else { Com_Printf(" "); } if (var->flags & CVAR_LATCH) { Com_Printf("L"); } else { Com_Printf(" "); } if (var->flags & CVAR_CHEAT) { Com_Printf("C"); } else { Com_Printf(" "); } Com_Printf (" %s \"%s\"\n", var->name, var->string); } Com_Printf ("\n%i total cvars\n", i); Com_Printf ("%i cvar indexes\n", cvar_numIndexes); }

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void Cvar_Register (  vmCvar_t *  vmCvar, const char *  varName, const char *  defaultValue, int  flags )

Definition at line 833 of file cvar.c. References Cvar_Get(), cvar_t, Cvar_Update(), vmCvar_t::handle, and vmCvar_t::modificationCount. Referenced by CL_CgameSystemCalls(), CL_UISystemCalls(), and SV_GameSystemCalls(). { cvar_t *cv; cv = Cvar_Get( varName, defaultValue, flags ); if ( !vmCvar ) { return; } vmCvar->handle = cv - cvar_indexes; vmCvar->modificationCount = -1; Cvar_Update( vmCvar ); }

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void Cvar_Reset (  const char *  var_name  )

Definition at line 432 of file cvar.c. References Cvar_Set2(), NULL, and qfalse. Referenced by CL_UISystemCalls(), and Cvar_Reset_f(). { Cvar_Set2( var_name, NULL, qfalse ); }

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void Cvar_Reset_f (  void   )

Definition at line 621 of file cvar.c. References Cmd_Argc(), Cmd_Argv(), Com_Printf(), and Cvar_Reset(). Referenced by Cvar_Init(). { if ( Cmd_Argc() != 2 ) { Com_Printf ("usage: reset <variable>\n"); return; } Cvar_Reset( Cmd_Argv( 1 ) ); }

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void Cvar_Restart_f (  void   )

Definition at line 728 of file cvar.c. References Com_Memset(), CVAR_INIT, CVAR_ROM, Cvar_Set(), cvar_t, cvar_s::flags, cvar_s::latchedString, cvar_s::name, cvar_s::next, cvar_s::resetString, cvar_s::string, and Z_Free(). Referenced by Cvar_Init(). { cvar_t *var; cvar_t **prev; prev = &cvar_vars; while ( 1 ) { var = *prev; if ( !var ) { break; } // don't mess with rom values, or some inter-module // communication will get broken (com_cl_running, etc) if ( var->flags & ( CVAR_ROM | CVAR_INIT | CVAR_NORESTART ) ) { prev = &var->next; continue; } // throw out any variables the user created if ( var->flags & CVAR_USER_CREATED ) { *prev = var->next; if ( var->name ) { Z_Free( var->name ); } if ( var->string ) { Z_Free( var->string ); } if ( var->latchedString ) { Z_Free( var->latchedString ); } if ( var->resetString ) { Z_Free( var->resetString ); } // clear the var completely, since we // can't remove the index from the list Com_Memset( var, 0, sizeof( var ) ); continue; } Cvar_Set( var->name, var->resetString ); prev = &var->next; } }

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void Cvar_Set (  const char *  var_name, const char *  value )

Definition at line 397 of file cvar.c. References Cvar_Set2(), qtrue, and value. Referenced by CL_BeginDownload(), CL_CgameSystemCalls(), CL_Connect_f(), CL_Disconnect(), CL_Disconnect_f(), CL_DisconnectPacket(), CL_DownloadsComplete(), CL_FirstSnapshot(), CL_Init(), CL_InitRef(), CL_KeyEvent(), CL_MapLoading(), CL_MotdPacket(), CL_NextDemo(), CL_ParseDownload(), CL_ParseGamestate(), CL_PlayDemo_f(), CL_ReadyToSendPacket(), CL_Reconnect_f(), CL_SetModel_f(), CL_Shutdown(), CL_SystemInfoChanged(), CL_UISystemCalls(), CL_Vid_Restart_f(), CL_WritePacket(), Com_Error(), Com_Init(), Com_InitJournaling(), Com_StartupVariable(), ConWndProc(), Cvar_Restart_f(), Cvar_SetCheatState(), Cvar_SetValue(), FS_Restart(), FS_SetRestrictions(), Hunk_Trash(), IN_ActivateDIMouse(), IN_StartupMouse(), RoQShutdown(), SV_BoundMaxClients(), SV_CheckPaused(), SV_Frame(), SV_GameSystemCalls(), SV_Map_f(), SV_MapRestart_f(), SV_MasterHeartbeat(), SV_RankBegin(), SV_RankCloseContext(), SV_RankEnd(), SV_RankError(), SV_RankNewGameCBF(), SV_RateMsec(), SV_Shutdown(), SV_SpawnServer(), SV_Startup(), SV_WriteDownloadToClient(), Sys_ConsoleInputInit(), Sys_Init(), and Sys_InitInput(). { Cvar_Set2 (var_name, value, qtrue); }

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cvar_t * Cvar_Set2 (  const char *  var_name, const char *  value, qboolean  force )

Definition at line 286 of file cvar.c. References atof(), atoi, Com_DPrintf(), Com_Printf(), CopyString(), cvar_cheats, Cvar_FindVar(), Cvar_Get(), cvar_modifiedFlags, cvar_t, CVAR_USER_CREATED, Cvar_ValidateString(), cvar_s::flags, cvar_s::integer, cvar_s::latchedString, cvar_s::modificationCount, cvar_s::modified, cvar_s::resetString, strcmp(), cvar_s::string, cvar_s::value, value, and Z_Free(). Referenced by Cvar_Command(), Cvar_Get(), Cvar_Reset(), Cvar_Set(), Cvar_Set_f(), Cvar_SetLatched(), and Cvar_Toggle_f(). { cvar_t *var; Com_DPrintf( "Cvar_Set2: %s %s\n", var_name, value ); if ( !Cvar_ValidateString( var_name ) ) { Com_Printf("invalid cvar name string: %s\n", var_name ); var_name = "BADNAME"; } #if 0 // FIXME if ( value && !Cvar_ValidateString( value ) ) { Com_Printf("invalid cvar value string: %s\n", value ); var_value = "BADVALUE"; } #endif var = Cvar_FindVar (var_name); if (!var) { if ( !value ) { return NULL; } // create it if ( !force ) { return Cvar_Get( var_name, value, CVAR_USER_CREATED ); } else { return Cvar_Get (var_name, value, 0); } } if (!value ) { value = var->resetString; } if (!strcmp(value,var->string)) { return var; } // note what types of cvars have been modified (userinfo, archive, serverinfo, systeminfo) cvar_modifiedFlags |= var->flags; if (!force) { if (var->flags & CVAR_ROM) { Com_Printf ("%s is read only.\n", var_name); return var; } if (var->flags & CVAR_INIT) { Com_Printf ("%s is write protected.\n", var_name); return var; } if (var->flags & CVAR_LATCH) { if (var->latchedString) { if (strcmp(value, var->latchedString) == 0) return var; Z_Free (var->latchedString); } else { if (strcmp(value, var->string) == 0) return var; } Com_Printf ("%s will be changed upon restarting.\n", var_name); var->latchedString = CopyString(value); var->modified = qtrue; var->modificationCount++; return var; } if ( (var->flags & CVAR_CHEAT) && !cvar_cheats->integer ) { Com_Printf ("%s is cheat protected.\n", var_name); return var; } } else { if (var->latchedString) { Z_Free (var->latchedString); var->latchedString = NULL; } } if (!strcmp(value, var->string)) return var; // not changed var->modified = qtrue; var->modificationCount++; Z_Free (var->string); // free the old value string var->string = CopyString(value); var->value = atof (var->string); var->integer = atoi (var->string); return var; }

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void Cvar_Set_f (  void   )

Definition at line 524 of file cvar.c. References c, Cmd_Argc(), Cmd_Argv(), Com_Printf(), Cvar_Set2(), i, l, MAX_STRING_TOKENS, qfalse, strcat(), and strlen(). Referenced by Cvar_Init(), Cvar_SetA_f(), Cvar_SetS_f(), and Cvar_SetU_f(). { int i, c, l, len; char combined[MAX_STRING_TOKENS]; c = Cmd_Argc(); if ( c < 3 ) { Com_Printf ("usage: set <variable> <value>\n"); return; } combined[0] = 0; l = 0; for ( i = 2 ; i < c ; i++ ) { len = strlen ( Cmd_Argv( i ) + 1 ); if ( l + len >= MAX_STRING_TOKENS - 2 ) { break; } strcat( combined, Cmd_Argv( i ) ); if ( i != c-1 ) { strcat( combined, " " ); } l += len; } Cvar_Set2 (Cmd_Argv(1), combined, qfalse); }

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void Cvar_SetA_f (  void   )

Definition at line 601 of file cvar.c. References Cmd_Argc(), Cmd_Argv(), Com_Printf(), Cvar_FindVar(), Cvar_Set_f(), cvar_t, cvar_s::flags, and v. Referenced by Cvar_Init(). { cvar_t *v; if ( Cmd_Argc() != 3 ) { Com_Printf ("usage: seta <variable> <value>\n"); return; } Cvar_Set_f(); v = Cvar_FindVar( Cmd_Argv( 1 ) ); if ( !v ) { return; } v->flags |= CVAR_ARCHIVE; }

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void Cvar_SetCheatState (  void   )

Definition at line 444 of file cvar.c. References Cvar_Set(), cvar_t, cvar_s::flags, cvar_s::latchedString, cvar_s::name, cvar_s::next, cvar_s::resetString, strcmp(), cvar_s::string, and Z_Free(). Referenced by CL_SystemInfoChanged(). { cvar_t *var; // set all default vars to the safe value for ( var = cvar_vars ; var ; var = var->next ) { if ( var->flags & CVAR_CHEAT ) { // the CVAR_LATCHED|CVAR_CHEAT vars might escape the reset here // because of a different var->latchedString if (var->latchedString) { Z_Free(var->latchedString); var->latchedString = NULL; } if (strcmp(var->resetString,var->string)) { Cvar_Set( var->name, var->resetString ); } } } }

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void Cvar_SetLatched (  const char *  var_name, const char *  value )

Definition at line 406 of file cvar.c. References Cvar_Set2(), qfalse, and value. Referenced by SV_Map_f(). { Cvar_Set2 (var_name, value, qfalse); }

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void Cvar_SetS_f (  void   )

Definition at line 579 of file cvar.c. References Cmd_Argc(), Cmd_Argv(), Com_Printf(), Cvar_FindVar(), Cvar_Set_f(), cvar_t, cvar_s::flags, and v. Referenced by Cvar_Init(). { cvar_t *v; if ( Cmd_Argc() != 3 ) { Com_Printf ("usage: sets <variable> <value>\n"); return; } Cvar_Set_f(); v = Cvar_FindVar( Cmd_Argv( 1 ) ); if ( !v ) { return; } v->flags |= CVAR_SERVERINFO; }

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void Cvar_SetU_f (  void   )

Definition at line 557 of file cvar.c. References Cmd_Argc(), Cmd_Argv(), Com_Printf(), Cvar_FindVar(), Cvar_Set_f(), cvar_t, cvar_s::flags, and v. Referenced by Cvar_Init(). { cvar_t *v; if ( Cmd_Argc() != 3 ) { Com_Printf ("usage: setu <variable> <value>\n"); return; } Cvar_Set_f(); v = Cvar_FindVar( Cmd_Argv( 1 ) ); if ( !v ) { return; } v->flags |= CVAR_USERINFO; }

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void Cvar_SetValue (  const char *  var_name, float  value )

Definition at line 415 of file cvar.c. References Com_sprintf(), Cvar_Set(), and value. Referenced by CL_BeginDownload(), CL_ParseDownload(), CL_UISystemCalls(), MainWndProc(), NET_OpenIP(), SV_Map_f(), and Sys_Init(). { char val[32]; if ( value == (int)value ) { Com_sprintf (val, sizeof(val), "%i",(int)value); } else { Com_sprintf (val, sizeof(val), "%f",value); } Cvar_Set (var_name, val); }

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void Cvar_Toggle_f (