/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
#include "variables.h"
#include "libvlc.h"
#include "vlc_interface.h"
+#include <assert.h>
/*****************************************************************************
* Private types
{
return v.i_time == w.i_time ? 0 : v.i_time > w.i_time ? 1 : -1;
}
-static int CmpString( vlc_value_t v, vlc_value_t w ) { return strcmp( v.psz_string, w.psz_string ); }
+static int CmpString( vlc_value_t v, vlc_value_t w )
+{
+ if( !v.psz_string )
+ return !w.psz_string ? 0 : -1;
+ else
+ return !w.psz_string ? 1 : strcmp( v.psz_string, w.psz_string );
+}
static int CmpFloat( vlc_value_t v, vlc_value_t w ) { return v.f_float == w.f_float ? 0 : v.f_float > w.f_float ? 1 : -1; }
static int CmpAddress( vlc_value_t v, vlc_value_t w ) { return v.p_address == w.p_address ? 0 : v.p_address > w.p_address ? 1 : -1; }
* Local duplication functions, and local deallocation functions
*****************************************************************************/
static void DupDummy( vlc_value_t *p_val ) { (void)p_val; /* unused */ }
-static void DupString( vlc_value_t *p_val ) { p_val->psz_string = strdup( p_val->psz_string ); }
+static void DupString( vlc_value_t *p_val )
+{
+ p_val->psz_string = strdup( p_val->psz_string ? p_val->psz_string : "" );
+}
static void DupList( vlc_value_t *p_val )
{
{
p_list->p_values[i] = p_val->p_list->p_values[i];
p_list->pi_types[i] = p_val->p_list->pi_types[i];
- switch( p_val->p_list->pi_types[i] & VLC_VAR_TYPE )
+ switch( p_val->p_list->pi_types[i] & VLC_VAR_CLASS )
{
case VLC_VAR_STRING:
int i;
for( i = 0; i < p_val->p_list->i_count; i++ )
{
- switch( p_val->p_list->pi_types[i] & VLC_VAR_TYPE )
+ switch( p_val->p_list->pi_types[i] & VLC_VAR_CLASS )
{
case VLC_VAR_STRING:
FreeString( &p_val->p_list->p_values[i] );
free( p_val->p_list );
}
+static const struct variable_ops_t
+void_ops = { NULL, DupDummy, FreeDummy, },
+addr_ops = { CmpAddress, DupDummy, FreeDummy, },
+bool_ops = { CmpBool, DupDummy, FreeDummy, },
+float_ops = { CmpFloat, DupDummy, FreeDummy, },
+int_ops = { CmpInt, DupDummy, FreeDummy, },
+list_ops = { CmpAddress, DupList, FreeList, },
+mutex_ops = { CmpAddress, DupDummy, FreeMutex, },
+string_ops = { CmpString, DupString, FreeString, },
+time_ops = { CmpTime, DupDummy, FreeDummy, };
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static uint32_t HashString ( const char * );
static int Insert ( variable_t *, int, const char * );
static int InsertInner ( variable_t *, int, uint32_t );
-static int Lookup ( variable_t *, int, const char * );
-static int LookupInner ( variable_t *, int, uint32_t );
+static int Lookup ( variable_t *, size_t, const char * );
static void CheckValue ( variable_t *, vlc_value_t * );
int i_new;
variable_t *p_var;
static vlc_list_t dummy_null_list = {0, NULL, NULL};
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
vlc_mutex_lock( &p_priv->var_lock );
p_var->i_type = i_type & ~VLC_VAR_DOINHERIT;
memset( &p_var->val, 0, sizeof(vlc_value_t) );
- p_var->pf_dup = DupDummy;
- p_var->pf_free = FreeDummy;
-
p_var->i_usage = 1;
p_var->i_default = -1;
p_var->choices_text.i_count = 0;
p_var->choices_text.p_values = NULL;
- p_var->b_incallback = VLC_FALSE;
+ p_var->b_incallback = false;
p_var->i_entries = 0;
p_var->p_entries = NULL;
/* Always initialize the variable, even if it is a list variable; this
* will lead to errors if the variable is not initialized, but it will
* not cause crashes in the variable handling. */
- switch( i_type & VLC_VAR_TYPE )
+ switch( i_type & VLC_VAR_CLASS )
{
case VLC_VAR_BOOL:
- p_var->pf_cmp = CmpBool;
- p_var->val.b_bool = VLC_FALSE;
+ p_var->ops = &bool_ops;
+ p_var->val.b_bool = false;
break;
case VLC_VAR_INTEGER:
- case VLC_VAR_HOTKEY:
- p_var->pf_cmp = CmpInt;
+ p_var->ops = &int_ops;
p_var->val.i_int = 0;
break;
case VLC_VAR_STRING:
- case VLC_VAR_MODULE:
- case VLC_VAR_FILE:
- case VLC_VAR_DIRECTORY:
- case VLC_VAR_VARIABLE:
- p_var->pf_cmp = CmpString;
- p_var->pf_dup = DupString;
- p_var->pf_free = FreeString;
- p_var->val.psz_string = strdup( "" );
+ p_var->ops = &string_ops;
+ p_var->val.psz_string = NULL;
break;
case VLC_VAR_FLOAT:
- p_var->pf_cmp = CmpFloat;
+ p_var->ops = &float_ops;
p_var->val.f_float = 0.0;
break;
case VLC_VAR_TIME:
- p_var->pf_cmp = CmpTime;
+ p_var->ops = &time_ops;
p_var->val.i_time = 0;
break;
case VLC_VAR_ADDRESS:
- p_var->pf_cmp = CmpAddress;
+ p_var->ops = &addr_ops;
p_var->val.p_address = NULL;
break;
case VLC_VAR_MUTEX:
- p_var->pf_cmp = CmpAddress;
- p_var->pf_free = FreeMutex;
+ p_var->ops = &mutex_ops;
p_var->val.p_address = malloc( sizeof(vlc_mutex_t) );
- vlc_mutex_init( p_this, (vlc_mutex_t*)p_var->val.p_address );
+ vlc_mutex_init( (vlc_mutex_t*)p_var->val.p_address );
break;
case VLC_VAR_LIST:
- p_var->pf_cmp = CmpAddress;
- p_var->pf_dup = DupList;
- p_var->pf_free = FreeList;
+ p_var->ops = &list_ops;
p_var->val.p_list = &dummy_null_list;
break;
+ default:
+ p_var->ops = &void_ops;
+ break;
}
/* Duplicate the default data we stored. */
- p_var->pf_dup( &p_var->val );
+ p_var->ops->pf_dup( &p_var->val );
if( i_type & VLC_VAR_DOINHERIT )
{
== VLC_SUCCESS )
{
/* Free data if needed */
- p_var->pf_free( &p_var->val );
+ p_var->ops->pf_free( &p_var->val );
/* Set the variable */
p_var->val = val;
0, val );
INSERT_ELEM( p_var->choices_text.p_values,
p_var->choices_text.i_count, 0, val );
- p_var->pf_dup( &p_var->choices.p_values[0] );
+ p_var->ops->pf_dup( &p_var->choices.p_values[0] );
p_var->choices_text.p_values[0].psz_string = NULL;
}
}
{
int i_var, i;
variable_t *p_var;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
vlc_mutex_lock( &p_priv->var_lock );
}
/* Free value if needed */
- p_var->pf_free( &p_var->val );
+ p_var->ops->pf_free( &p_var->val );
/* Free choice list if needed */
if( p_var->choices.i_count )
{
for( i = 0 ; i < p_var->choices.i_count ; i++ )
{
- p_var->pf_free( &p_var->choices.p_values[i] );
- if( p_var->choices_text.p_values[i].psz_string )
- free( p_var->choices_text.p_values[i].psz_string );
+ p_var->ops->pf_free( &p_var->choices.p_values[i] );
+ free( p_var->choices_text.p_values[i].psz_string );
}
free( p_var->choices.p_values );
free( p_var->choices_text.p_values );
}
free( p_var->psz_name );
- if( p_var->psz_text ) free( p_var->psz_text );
+ free( p_var->psz_text );
memmove( p_priv->p_vars + i_var,
p_priv->p_vars + i_var + 1,
int i_var, i;
variable_t *p_var;
vlc_value_t oldval;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
vlc_mutex_lock( &p_priv->var_lock );
case VLC_VAR_SETMIN:
if( p_var->i_type & VLC_VAR_HASMIN )
{
- p_var->pf_free( &p_var->min );
+ p_var->ops->pf_free( &p_var->min );
}
p_var->i_type |= VLC_VAR_HASMIN;
p_var->min = *p_val;
- p_var->pf_dup( &p_var->min );
+ p_var->ops->pf_dup( &p_var->min );
CheckValue( p_var, &p_var->val );
break;
case VLC_VAR_GETMIN:
case VLC_VAR_SETMAX:
if( p_var->i_type & VLC_VAR_HASMAX )
{
- p_var->pf_free( &p_var->max );
+ p_var->ops->pf_free( &p_var->max );
}
p_var->i_type |= VLC_VAR_HASMAX;
p_var->max = *p_val;
- p_var->pf_dup( &p_var->max );
+ p_var->ops->pf_dup( &p_var->max );
CheckValue( p_var, &p_var->val );
break;
case VLC_VAR_GETMAX:
case VLC_VAR_SETSTEP:
if( p_var->i_type & VLC_VAR_HASSTEP )
{
- p_var->pf_free( &p_var->step );
+ p_var->ops->pf_free( &p_var->step );
}
p_var->i_type |= VLC_VAR_HASSTEP;
p_var->step = *p_val;
- p_var->pf_dup( &p_var->step );
+ p_var->ops->pf_dup( &p_var->step );
CheckValue( p_var, &p_var->val );
break;
case VLC_VAR_GETSTEP:
}
break;
case VLC_VAR_ADDCHOICE:
- /* FIXME: the list is sorted, dude. Use something cleverer. */
- for( i = p_var->choices.i_count ; i-- ; )
- {
- if( p_var->pf_cmp( p_var->choices.p_values[i], *p_val ) < 0 )
- {
- break;
- }
- }
-
- /* The new place is i+1 */
- i++;
-
- if( p_var->i_default >= i )
- {
- p_var->i_default++;
- }
+ i = p_var->choices.i_count;
INSERT_ELEM( p_var->choices.p_values, p_var->choices.i_count,
i, *p_val );
INSERT_ELEM( p_var->choices_text.p_values,
p_var->choices_text.i_count, i, *p_val );
- p_var->pf_dup( &p_var->choices.p_values[i] );
+ p_var->ops->pf_dup( &p_var->choices.p_values[i] );
p_var->choices_text.p_values[i].psz_string =
( p_val2 && p_val2->psz_string ) ?
strdup( p_val2->psz_string ) : NULL;
CheckValue( p_var, &p_var->val );
break;
case VLC_VAR_DELCHOICE:
- /* FIXME: the list is sorted, dude. Use something cleverer. */
for( i = 0 ; i < p_var->choices.i_count ; i++ )
{
- if( p_var->pf_cmp( p_var->choices.p_values[i], *p_val ) == 0 )
+ if( p_var->ops->pf_cmp( p_var->choices.p_values[i], *p_val ) == 0 )
{
break;
}
p_var->i_default = -1;
}
- p_var->pf_free( &p_var->choices.p_values[i] );
- if( p_var->choices_text.p_values[i].psz_string )
- free( p_var->choices_text.p_values[i].psz_string );
+ p_var->ops->pf_free( &p_var->choices.p_values[i] );
+ free( p_var->choices_text.p_values[i].psz_string );
REMOVE_ELEM( p_var->choices.p_values, p_var->choices.i_count, i );
REMOVE_ELEM( p_var->choices_text.p_values,
p_var->choices_text.i_count, i );
case VLC_VAR_CLEARCHOICES:
for( i = 0 ; i < p_var->choices.i_count ; i++ )
{
- p_var->pf_free( &p_var->choices.p_values[i] );
+ p_var->ops->pf_free( &p_var->choices.p_values[i] );
}
for( i = 0 ; i < p_var->choices_text.i_count ; i++ )
- {
- if( p_var->choices_text.p_values[i].psz_string )
- free( p_var->choices_text.p_values[i].psz_string );
- }
+ free( p_var->choices_text.p_values[i].psz_string );
+
if( p_var->choices.i_count ) free( p_var->choices.p_values );
if( p_var->choices_text.i_count ) free( p_var->choices_text.p_values );
/* FIXME: the list is sorted, dude. Use something cleverer. */
for( i = 0 ; i < p_var->choices.i_count ; i++ )
{
- if( p_var->pf_cmp( p_var->choices.p_values[i], *p_val ) == 0 )
+ if( p_var->ops->pf_cmp( p_var->choices.p_values[i], *p_val ) == 0 )
{
break;
}
break;
case VLC_VAR_SETVALUE:
/* Duplicate data if needed */
- p_var->pf_dup( p_val );
+ p_var->ops->pf_dup( p_val );
/* Backup needed stuff */
oldval = p_var->val;
/* Check boundaries and list */
/* Set the variable */
p_var->val = *p_val;
/* Free data if needed */
- p_var->pf_free( &oldval );
+ p_var->ops->pf_free( &oldval );
break;
case VLC_VAR_GETCHOICES:
case VLC_VAR_GETLIST:
{
p_val->p_list->p_values[i] = p_var->choices.p_values[i];
p_val->p_list->pi_types[i] = p_var->i_type;
- p_var->pf_dup( &p_val->p_list->p_values[i] );
+ p_var->ops->pf_dup( &p_val->p_list->p_values[i] );
if( p_val2 )
{
p_val2->p_list->p_values[i].psz_string =
if( p_val2 && p_val2->p_list )
{
for( i = 0; i < p_val2->p_list->i_count; i++ )
- if( p_val2->p_list->p_values[i].psz_string )
- free( p_val2->p_list->p_values[i].psz_string );
+ free( p_val2->p_list->p_values[i].psz_string );
if( p_val2->p_list->i_count )
{
free( p_val2->p_list->p_values );
}
break;
case VLC_VAR_SETTEXT:
- if( p_var->psz_text ) free( p_var->psz_text );
+ free( p_var->psz_text );
if( p_val && p_val->psz_string )
p_var->psz_text = strdup( p_val->psz_string );
break;
/* Set the variable */
p_var->val = val;
/* Free data if needed */
- p_var->pf_free( &oldval );
+ p_var->ops->pf_free( &oldval );
}
if( p_val )
{
*p_val = p_var->val;
- p_var->pf_dup( p_val );
+ p_var->ops->pf_dup( p_val );
}
}
break;
- case VLC_VAR_TRIGGER_CALLBACKS:
- {
- /* Deal with callbacks. Tell we're in a callback, release the lock,
- * call stored functions, retake the lock. */
- if( p_var->i_entries )
- {
- int i_var;
- int i_entries = p_var->i_entries;
- callback_entry_t *p_entries = p_var->p_entries;
-
- p_var->b_incallback = VLC_TRUE;
- vlc_mutex_unlock( &p_priv->var_lock );
-
- /* The real calls */
- for( ; i_entries-- ; )
- {
- p_entries[i_entries].pf_callback( p_this, psz_name, p_var->val, p_var->val,
- p_entries[i_entries].p_data );
- }
-
- vlc_mutex_lock( &p_priv->var_lock );
-
- i_var = Lookup( p_priv->p_vars, p_priv->i_vars, psz_name );
- if( i_var < 0 )
- {
- msg_Err( p_this, "variable %s has disappeared", psz_name );
- vlc_mutex_unlock( &p_priv->var_lock );
- return VLC_ENOVAR;
- }
-
- p_var = &p_priv->p_vars[i_var];
- p_var->b_incallback = VLC_FALSE;
- }
- }
+
+ case VLC_VAR_SETISCOMMAND:
+ p_var->i_type |= VLC_VAR_ISCOMMAND;
break;
default:
int __var_Type( vlc_object_t *p_this, const char *psz_name )
{
int i_var, i_type;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
vlc_mutex_lock( &p_priv->var_lock );
return i_type;
}
-/**
- * Set a variable's value
- *
- * \param p_this The object that hold the variable
- * \param psz_name The name of the variable
- * \param val the value to set
- */
-int __var_Set( vlc_object_t *p_this, const char *psz_name, vlc_value_t val )
+int var_SetChecked( vlc_object_t *p_this, const char *psz_name,
+ int expected_type, vlc_value_t val )
{
int i_var;
variable_t *p_var;
vlc_value_t oldval;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
vlc_mutex_lock( &p_priv->var_lock );
}
p_var = &p_priv->p_vars[i_var];
+ assert( (p_var->i_type & VLC_VAR_CLASS) == 0 || expected_type == 0 ||
+ (p_var->i_type & VLC_VAR_CLASS) == expected_type );
/* Duplicate data if needed */
- p_var->pf_dup( &val );
+ p_var->ops->pf_dup( &val );
/* Backup needed stuff */
oldval = p_var->val;
int i_entries = p_var->i_entries;
callback_entry_t *p_entries = p_var->p_entries;
- p_var->b_incallback = VLC_TRUE;
+ p_var->b_incallback = true;
vlc_mutex_unlock( &p_priv->var_lock );
/* The real calls */
}
p_var = &p_priv->p_vars[i_var];
- p_var->b_incallback = VLC_FALSE;
+ p_var->b_incallback = false;
+ vlc_cond_broadcast( &p_priv->var_wait );
}
/* Free data if needed */
- p_var->pf_free( &oldval );
+ p_var->ops->pf_free( &oldval );
vlc_mutex_unlock( &p_priv->var_lock );
return VLC_SUCCESS;
}
+
/**
- * Get a variable's value
+ * Set a variable's value
*
- * \param p_this The object that holds the variable
+ * \param p_this The object that hold the variable
* \param psz_name The name of the variable
- * \param p_val Pointer to a vlc_value_t that will hold the variable's value
- * after the function is finished
+ * \param val the value to set
*/
-int __var_Get( vlc_object_t *p_this, const char *psz_name, vlc_value_t *p_val )
+int __var_Set( vlc_object_t *p_this, const char *psz_name, vlc_value_t val )
{
- int i_var;
- variable_t *p_var;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ return var_SetChecked( p_this, psz_name, 0, val );
+}
+
+int var_GetChecked( vlc_object_t *p_this, const char *psz_name,
+ int expected_type, vlc_value_t *p_val )
+{
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
+ int i_var, err = VLC_SUCCESS;
vlc_mutex_lock( &p_priv->var_lock );
i_var = Lookup( p_priv->p_vars, p_priv->i_vars, psz_name );
-
- if( i_var < 0 )
+ if( i_var >= 0 )
{
- vlc_mutex_unlock( &p_priv->var_lock );
- return VLC_ENOVAR;
- }
+ variable_t *p_var = &p_priv->p_vars[i_var];
- p_var = &p_priv->p_vars[i_var];
+ assert( (p_var->i_type & VLC_VAR_CLASS) == 0 || expected_type == 0 ||
+ (p_var->i_type & VLC_VAR_CLASS) == expected_type );
- /* Really get the variable */
- *p_val = p_var->val;
+ /* Really get the variable */
+ *p_val = p_var->val;
- /* Duplicate value if needed */
- p_var->pf_dup( p_val );
+ /* Duplicate value if needed */
+ p_var->ops->pf_dup( p_val );
+ }
+ else
+ err = VLC_ENOVAR;
vlc_mutex_unlock( &p_priv->var_lock );
-
- return VLC_SUCCESS;
+ return err;
}
-
/**
- * Finds a process-wide mutex, creates it if needed, and locks it.
- * Unlock with vlc_mutex_unlock().
+ * Get a variable's value
+ *
+ * \param p_this The object that holds the variable
+ * \param psz_name The name of the variable
+ * \param p_val Pointer to a vlc_value_t that will hold the variable's value
+ * after the function is finished
*/
-vlc_mutex_t *var_AcquireMutex( const char *name )
+int __var_Get( vlc_object_t *p_this, const char *psz_name, vlc_value_t *p_val )
{
- libvlc_global_data_t *p_global = vlc_global();
- vlc_value_t val;
-
- if( var_Create( p_global, name, VLC_VAR_MUTEX ) )
- return NULL;
-
- var_Get( p_global, name, &val );
- vlc_mutex_lock( val.p_address );
- return val.p_address;
+ return var_GetChecked( p_this, psz_name, 0, p_val );
}
-
/**
* Register a callback in a variable
*
int i_var;
variable_t *p_var;
callback_entry_t entry;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
entry.pf_callback = pf_callback;
entry.p_data = p_data;
{
int i_entry, i_var;
variable_t *p_var;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
vlc_mutex_lock( &p_priv->var_lock );
int i_var;
variable_t *p_var;
vlc_value_t oldval;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
vlc_mutex_lock( &p_priv->var_lock );
int i_entries = p_var->i_entries;
callback_entry_t *p_entries = p_var->p_entries;
- p_var->b_incallback = VLC_TRUE;
+ p_var->b_incallback = true;
vlc_mutex_unlock( &p_priv->var_lock );
/* The real calls */
}
p_var = &p_priv->p_vars[i_var];
- p_var->b_incallback = VLC_FALSE;
+ p_var->b_incallback = false;
+ vlc_cond_broadcast( &p_priv->var_wait );
}
vlc_mutex_unlock( &p_priv->var_lock );
* option name and bar is the value of the option.
* \param p_obj the object in which the variable must be created
* \param psz_option the option to parse
+ * \param trusted whether the option is set by a trusted input or not
* \return nothing
*/
-void __var_OptionParse( vlc_object_t *p_obj, const char *psz_option )
+void var_OptionParse( vlc_object_t *p_obj, const char *psz_option,
+ bool trusted )
{
- char *psz_name, *psz_value = strchr( psz_option, '=' );
- int i_name_len, i_type;
- vlc_bool_t b_isno = VLC_FALSE;
+ char *psz_name, *psz_value;
+ int i_type;
+ bool b_isno = false;
vlc_value_t val;
- val.psz_string = NULL;
- if( psz_value ) i_name_len = psz_value - psz_option;
- else i_name_len = strlen( psz_option );
+ val.psz_string = NULL;
/* It's too much of a hassle to remove the ':' when we parse
* the cmd line :) */
- if( i_name_len && *psz_option == ':' )
- {
+ if( psz_option[0] == ':' )
psz_option++;
- i_name_len--;
- }
- if( i_name_len == 0 ) return;
+ if( !psz_option[0] )
+ return;
+
+ psz_name = strdup( psz_option );
+ if( psz_name == NULL )
+ return;
- psz_name = strndup( psz_option, i_name_len );
- if( psz_value ) psz_value++;
+ psz_value = strchr( psz_name, '=' );
+ if( psz_value != NULL )
+ *psz_value++ = '\0';
/* FIXME: :programs should be handled generically */
if( !strcmp( psz_name, "programs" ) )
}
else goto cleanup; /* Option doesn't exist */
- b_isno = VLC_TRUE;
+ b_isno = true;
i_type = config_GetType( p_obj, psz_name );
-
- if( !i_type ) goto cleanup; /* Option doesn't exist */
}
- else if( !i_type ) goto cleanup; /* Option doesn't exist */
+ if( !i_type ) goto cleanup; /* Option doesn't exist */
if( ( i_type != VLC_VAR_BOOL ) &&
( !psz_value || !*psz_value ) ) goto cleanup; /* Invalid value */
/* check if option is unsafe */
+ if( !trusted )
{
module_config_t *p_config = config_FindConfig( p_obj, psz_name );
- if( p_config->b_unsafe )
+ if( !p_config || !p_config->b_safe )
{
- int policy = config_GetInt( p_obj, "security-policy" );
- switch( policy )
- {
- case 0: /* block */
- msg_Err( p_obj, "option %s is unsafe and is blocked by security policy", psz_name );
- return;
- case 1: /* allow */
- break;
- case 2: /* prompt */
- {
- char description[256];
- snprintf(description, sizeof(description), _("playlist item is making use of the following unsafe option '%s', which may be harmful if used in a malicious way, authorize it ?"), psz_name);
- if( DIALOG_OK_YES != intf_UserYesNo( p_obj, _("WARNING: Unsafe Playlist"), description, _("Yes"), _("No"), NULL) )
- {
- msg_Err( p_obj, "option %s is unsafe and is blocked by security policy", psz_name );
- return;
- }
- }
- default:
- ;
- }
+ msg_Err( p_obj, "unsafe option \"%s\" has been ignored for "
+ "security reasons", psz_name );
+ free( psz_name );
+ return;
}
}
INSERT_ELEM( p_list->pi_types, p_list->i_count,
p_list->i_count, VLC_VAR_INTEGER );
}
- if( psz_orig ) free( psz_orig );
+ free( psz_orig );
break;
}
default:
goto cleanup;
- break;
}
var_Set( p_obj, psz_name, val );
- cleanup:
- if( psz_name ) free( psz_name );
- return;
+ // If that's a list, remove all elements allocated
+ if( i_type == VLC_VAR_LIST )
+ FreeList( &val );
+
+cleanup:
+ free( psz_name );
}
/* Following functions are local */
/*****************************************************************************
- * GetUnused: find an unused variable from its name
+ * GetUnused: find an unused (not in callback) variable from its name
*****************************************************************************
* We do i_tries tries before giving up, just in case the variable is being
* modified and called from a callback.
*****************************************************************************/
static int GetUnused( vlc_object_t *p_this, const char *psz_name )
{
- int i_var, i_tries = 0;
- vlc_object_internals_t *p_priv = p_this->p_internals;
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
- while( VLC_TRUE )
+ while( true )
{
+ int i_var;
+
i_var = Lookup( p_priv->p_vars, p_priv->i_vars, psz_name );
if( i_var < 0 )
{
return i_var;
}
- if( i_tries++ > 100 )
- {
- msg_Err( p_this, "caught in a callback deadlock?" );
- return VLC_ETIMEOUT;
- }
-
- vlc_mutex_unlock( &p_priv->var_lock );
- msleep( THREAD_SLEEP );
- vlc_mutex_lock( &p_priv->var_lock );
+ mutex_cleanup_push( &p_priv->var_lock );
+ vlc_cond_wait( &p_priv->var_wait, &p_priv->var_lock );
+ vlc_cleanup_pop( );
}
}
return i_middle + 1;
}
+static int u32cmp( const void *key, const void *data )
+{
+ const variable_t *p_var = data;
+ uint32_t hash = *(const uint32_t *)key ;
+
+ if( hash > p_var->i_hash )
+ return 1;
+ if( hash < p_var->i_hash )
+ return -1;
+ return 0;
+}
+
/*****************************************************************************
* Lookup: find an existing variable given its name
*****************************************************************************
* We use a recursive inner function indexed on the hash. Care is taken of
* possible hash collisions.
- * XXX: does this really need to be written recursively?
*****************************************************************************/
-static int Lookup( variable_t *p_vars, int i_count, const char *psz_name )
+static int Lookup( variable_t *p_vars, size_t i_count, const char *psz_name )
{
+ variable_t *p_var;
uint32_t i_hash;
- int i, i_pos;
-
- if( i_count == 0 )
- {
- return -1;
- }
i_hash = HashString( psz_name );
-
- i_pos = LookupInner( p_vars, i_count, i_hash );
+ p_var = bsearch( &i_hash, p_vars, i_count, sizeof( *p_var ), u32cmp );
/* Hash not found */
- if( i_hash != p_vars[i_pos].i_hash )
- {
+ if( p_var == NULL )
return -1;
- }
- /* Hash found, entry found */
- if( !strcmp( psz_name, p_vars[i_pos].psz_name ) )
- {
- return i_pos;
- }
+ assert( i_count > 0 );
- /* Hash collision! This should be very rare, but we cannot guarantee
- * it will never happen. Just do an exhaustive search amongst all
- * entries with the same hash. */
- for( i = i_pos - 1 ; i > 0 && i_hash == p_vars[i].i_hash ; i-- )
- {
- if( !strcmp( psz_name, p_vars[i].psz_name ) )
- {
- return i;
- }
- }
+ /* Find the first entry with the right hash */
+ while( (p_var > p_vars) && (i_hash == p_var[-1].i_hash) )
+ p_var--;
- for( i = i_pos + 1 ; i < i_count && i_hash == p_vars[i].i_hash ; i++ )
+ assert( p_var->i_hash == i_hash );
+
+ /* Hash collision should be very unlikely, but we cannot guarantee
+ * it will never happen. So we do an exhaustive search amongst all
+ * entries with the same hash. Typically, there is only one anyway. */
+ for( variable_t *p_end = p_vars + i_count;
+ (p_var < p_end) && (i_hash == p_var->i_hash);
+ p_var++ )
{
- if( !strcmp( psz_name, p_vars[i].psz_name ) )
- {
- return i;
- }
+ if( !strcmp( psz_name, p_var->psz_name ) )
+ return p_var - p_vars;
}
/* Hash found, but entry not found */
return -1;
}
-static int LookupInner( variable_t *p_vars, int i_count, uint32_t i_hash )
-{
- int i_middle;
-
- if( i_hash <= p_vars[0].i_hash )
- {
- return 0;
- }
-
- if( i_hash >= p_vars[i_count-1].i_hash )
- {
- return i_count - 1;
- }
-
- i_middle = i_count / 2;
-
- /* We know that 0 < i_middle */
- if( i_hash < p_vars[i_middle].i_hash )
- {
- return LookupInner( p_vars, i_middle, i_hash );
- }
-
- /* We know that i_middle + 1 < i_count */
- if( i_hash > p_vars[i_middle].i_hash )
- {
- return i_middle + LookupInner( p_vars + i_middle,
- i_count - i_middle,
- i_hash );
- }
-
- return i_middle;
-}
-
/*****************************************************************************
* CheckValue: check that a value is valid wrt. a variable
*****************************************************************************
/* FIXME: the list is sorted, dude. Use something cleverer. */
for( i = p_var->choices.i_count ; i-- ; )
{
- if( p_var->pf_cmp( *p_val, p_var->choices.p_values[i] ) == 0 )
+ if( p_var->ops->pf_cmp( *p_val, p_var->choices.p_values[i] ) == 0 )
{
break;
}
if( i < 0 )
{
/* Free the old variable, get the new one, dup it */
- p_var->pf_free( p_val );
+ p_var->ops->pf_free( p_val );
*p_val = p_var->choices.p_values[p_var->i_default >= 0
? p_var->i_default : 0 ];
- p_var->pf_dup( p_val );
+ p_var->ops->pf_dup( p_val );
}
}
/*****************************************************************************
* InheritValue: try to inherit the value of this variable from the same one
- * in our closest parent.
+ * in our closest parent, libvlc or ultimately from the configuration.
+ * The function should always be entered with the object var_lock locked.
*****************************************************************************/
static int InheritValue( vlc_object_t *p_this, const char *psz_name,
vlc_value_t *p_val, int i_type )
int i_var;
variable_t *p_var;
- /* No need to take the structure lock,
- * we are only looking for our parents */
-
- if( !p_this->p_parent )
+ if( p_this->p_parent || ( p_this->p_libvlc && p_this != (vlc_object_t*) p_this->p_libvlc ) )
{
- switch( i_type & VLC_VAR_TYPE )
+ vlc_object_internals_t *p_priv;
+
+ if( p_this->p_parent )
+ p_priv = vlc_internals( p_this->p_parent );
+ else
+ p_priv = vlc_internals( p_this->p_libvlc );
+
+ i_var = Lookup( p_priv->p_vars, p_priv->i_vars, psz_name );
+
+ if( i_var >= 0 )
{
- case VLC_VAR_FILE:
- case VLC_VAR_DIRECTORY:
+ /* We found it! */
+ p_var = &p_priv->p_vars[i_var];
+
+ /* Really get the variable */
+ *p_val = p_var->val;
+
+ /* Duplicate value if needed */
+ p_var->ops->pf_dup( p_val );
+
+ /*msg_Dbg( p_this, "Inherited value for var %s from object %s",
+ psz_name ? psz_name : "(null)",
+ p_this->psz_object_name
+ ? p_this->psz_object_name : "(Unknown)" );*/
+ return VLC_SUCCESS;
+ }
+ else if ( p_this->p_parent ) /* We are still not there */
+ return InheritValue( p_this->p_parent, psz_name, p_val, i_type );
+
+ /* else take value from config */
+ }
+
+
+ switch( i_type & VLC_VAR_CLASS )
+ {
case VLC_VAR_STRING:
- case VLC_VAR_MODULE:
p_val->psz_string = config_GetPsz( p_this, psz_name );
if( !p_val->psz_string ) p_val->psz_string = strdup("");
break;
p_val->f_float = config_GetFloat( p_this, psz_name );
break;
case VLC_VAR_INTEGER:
- case VLC_VAR_HOTKEY:
p_val->i_int = config_GetInt( p_this, psz_name );
break;
case VLC_VAR_BOOL:
INSERT_ELEM( p_list->pi_types, p_list->i_count,
p_list->i_count, VLC_VAR_INTEGER );
}
- if( psz_orig ) free( psz_orig );
+ free( psz_orig );
break;
}
default:
+ msg_Warn( p_this, "Could not inherit value for var %s "
+ "from config. Invalid Type", psz_name );
return VLC_ENOOBJ;
break;
- }
-
- return VLC_SUCCESS;
}
-
- vlc_object_internals_t *p_priv = p_this->p_parent->p_internals;
-
- /* Look for the variable */
- vlc_mutex_lock( &p_priv->var_lock );
-
- i_var = Lookup( p_priv->p_vars, p_priv->i_vars, psz_name );
-
- if( i_var >= 0 )
- {
- /* We found it! */
- p_var = &p_priv->p_vars[i_var];
-
- /* Really get the variable */
- *p_val = p_var->val;
-
- /* Duplicate value if needed */
- p_var->pf_dup( p_val );
-
- vlc_mutex_unlock( &p_priv->var_lock );
- return VLC_SUCCESS;
- }
-
- vlc_mutex_unlock( &p_priv->var_lock );
-
- /* We're still not there */
-
- return InheritValue( p_this->p_parent, psz_name, p_val, i_type );
+ /*msg_Dbg( p_this, "Inherited value for var %s from config", psz_name );*/
+ return VLC_SUCCESS;
}
/**********************************************************************
return VLC_EGENERIC;
}
- i_type &= 0xf0;
+ i_type &= VLC_VAR_CLASS;
switch( i_type )
{
case VLC_VAR_INTEGER:
if( psz_msg )
{
- *psz_msg = (char*)malloc( 80 );
- sprintf( *psz_msg, "%s on object %s returned %i (%s)",
- psz_cmd, psz_name, i_ret, vlc_error( i_ret ) );
+ if( asprintf( psz_msg, "%s on object %s returned %i (%s)",
+ psz_cmd, psz_name, i_ret, vlc_error( i_ret ) ) == -1)
+ *psz_msg = NULL;
}
return i_ret;
projects / vlc / blobdiff