/* Make the buffer count in the pool match the pool size. */
static int bc_fill_pool(struct bufferchain *bc)
{
/* Remove superfluous ones. */
while(bc->pool_fill > bc->pool_size)
{
/* Lazyness: Just work on the front. */
struct buffy* buf = bc->pool;
bc->pool = buf->next;
buffy_del(buf);
--bc->pool_fill;
}
/* Add missing ones. */
while(bc->pool_fill < bc->pool_size)
{
/* Again, just work on the front. */
struct buffy* buf;
buf = buffy_new(0, bc->bufblock); /* Use default block size. */
if(!buf) return -1;
buf->next = bc->pool;
bc->pool = buf;
++bc->pool_fill;
}
return 0;
}
// make the buffer count in the pool match the pool size.
static int bc_fill_pool( bufferchain_t *bc )
{
// remove superfluous ones.
while( bc->pool_fill > bc->pool_size )
{
// lazyness: Just work on the front.
buffy_t *buf = bc->pool;
bc->pool = buf->next;
buffy_del( buf );
bc->pool_fill--;
}
// add missing ones.
while( bc->pool_fill < bc->pool_size )
{
// again, just work on the front.
buffy_t *buf = buffy_new( 0, bc->bufblock ); // use default block size.
if( !buf ) return -1;
buf->next = bc->pool;
bc->pool = buf;
bc->pool_fill++;
}
return 0;
}
/* Delete this buffy and all following buffies. */
static void buffy_del_chain(struct buffy* buf)
{
while(buf)
{
struct buffy* next = buf->next;
buffy_del(buf);
buf = next;
}
}
// delete this buffy and all following buffies.
static void buffy_del_chain( buffy_t *buf )
{
while( buf )
{
buffy_t *next = buf->next;
buffy_del( buf );
buf = next;
}
}
/* Either stuff the buffer back into the pool or free it for good. */
static void bc_free(struct bufferchain *bc, struct buffy* buf)
{
if(!buf) return;
if(bc->pool_fill < bc->pool_size)
{
buf->next = bc->pool;
bc->pool = buf;
++bc->pool_fill;
}
else buffy_del(buf);
}
// either stuff the buffer back into the pool or free it for good.
static void bc_free( bufferchain_t *bc, buffy_t* buf )
{
if( !buf ) return;
if( bc->pool_fill < bc->pool_size )
{
buf->next = bc->pool;
bc->pool = buf;
bc->pool_fill++;
}
else buffy_del( buf );
}