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include/vlc_arrays.h: Export a static inlined array API.

This commit is contained in:
Pierre d'Herbemont 2007-10-11 12:02:06 +00:00
parent c101253841
commit c08fa1c24e
1 changed files with 69 additions and 0 deletions
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69
include/vlc_arrays.h
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@ -117,6 +117,7 @@
} \
} while(0)
#define TAB_REMOVE( count, tab, p ) \
do { \
int _i_index_; \
@ -278,6 +279,74 @@
#define FOREACH_END() } }
/************************************************************************
* Dynamic arrays with progressive allocation (Prefered API)
************************************************************************/
typedef struct vlc_array_t
{
int i_count;
void ** pp_elems;
} vlc_array_t;
static inline void vlc_array_init( vlc_array_t * p_array )
{
memset( p_array, 0, sizeof(vlc_array_t) );
}
static inline void vlc_array_clear( vlc_array_t * p_array )
{
free( p_array->pp_elems );
memset( p_array, 0, sizeof(vlc_array_t) );
}
/* Read */
static inline int
vlc_array_count( vlc_array_t * p_array )
{
return p_array->i_count;
}
static inline void *
vlc_array_object_at_index( vlc_array_t * p_array, int i_index )
{
return p_array->pp_elems[i_index];
}
/* Write */
static inline void
vlc_array_insert( vlc_array_t * p_array, void * p_elem, int i_index )
{
TAB_INSERT( p_array->i_count, p_array->pp_elems, p_elem, i_index );
}
static inline void
vlc_array_append( vlc_array_t * p_array, void * p_elem )
{
vlc_array_insert( p_array, p_elem, p_array->i_count );
}
static inline void
vlc_array_remove( vlc_array_t * p_array, int i_index )
{
if( i_index >= 0 )
{
if( p_array->i_count > 1 )
{
memmove( p_array->pp_elems + i_index,
p_array->pp_elems + i_index+1,
( p_array->i_count - i_index - 1 ) * sizeof( void* ) );
}
p_array->i_count--;
if( p_array->i_count == 0 )
{
free( p_array->pp_elems );
p_array->pp_elems = NULL;
}
}
}
/************************************************************************
* Dictionaries
************************************************************************/