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- variables with CVAR_ROM set get now overwritten by Cvar_Get() if the cvar exists already but was created by the user.

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- Fix null pointer crash in Cvar_Print_f(), thanks to humancontroller for reporting.
This commit is contained in:
Thilo Schulz 2008-05-01 11:29:49 +00:00
parent 82e32bdf41
commit 65938da5ae
1 changed files with 30 additions and 11 deletions
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41
code/qcommon/cvar.c
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@ -239,6 +239,16 @@ cvar_t *Cvar_Get( const char *var_name, const char *var_value, int flags ) {
// we don't have a reset string yet
Z_Free( var->resetString );
var->resetString = CopyString( var_value );
// if there is no reset string yet this means the variable was set by the user,
// so force it to value given by the engine.
if(var->flags & CVAR_ROM)
{
if(var->latchedString)
Z_Free(var->latchedString);
var->latchedString = 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 );
@ -253,13 +263,6 @@ cvar_t *Cvar_Get( const char *var_name, const char *var_value, int flags ) {
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;
}
@ -553,8 +556,25 @@ Prints the contents of a cvar
(preferred over Cvar_Command where cvar names and commands conflict)
============
*/
void Cvar_Print_f( void ) {
Cvar_Print (Cvar_FindVar (Cmd_Argv(1)) );
void Cvar_Print_f(void)
{
char *name;
cvar_t *cv;
if(Cmd_Argc() != 2)
{
Com_Printf ("usage: print <variable>\n");
return;
}
name = Cmd_Argv(1);
cv = Cvar_FindVar(name);
if(cv)
Cvar_Print(cv);
else
Com_Printf ("Cvar %s does not exist.\n", name);
}
/*
@ -599,8 +619,7 @@ void Cvar_Set_f( void ) {
return;
}
if ( c == 2 ) {
v = Cvar_FindVar (Cmd_Argv(1));
Cvar_Print( v );
Cvar_Print_f();
return;
}