pool.h File Reference

A global pool of Buffers. More...

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Functions
void	mutt_buffer_pool_free (void)
	Release the Buffer pool. More...
struct Buffer *	mutt_buffer_pool_get (void)
	Get a Buffer from the pool. More...
void	mutt_buffer_pool_release (struct Buffer **pbuf)
	Free a Buffer from the pool. More...

Detailed Description

A global pool of Buffers.

Authors

• Richard Russon

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file pool.h.

Function Documentation

mutt_buffer_pool_free()

void mutt_buffer_pool_free

(

void

)

Release the Buffer pool.

Definition at line 87 of file pool.c.

{
  mutt_debug(LL_DEBUG1, "%zu of %zu returned to pool\n", BufferPoolCount, BufferPoolLen);
 
  while (BufferPoolCount)
    buffer_free(&BufferPool[--BufferPoolCount]);
  FREE(&BufferPool);
  BufferPoolLen = 0;
}

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mutt_buffer_pool_get()

struct Buffer * mutt_buffer_pool_get

(

void

)

Get a Buffer from the pool.

Return values

ptr

Buffer

Definition at line 101 of file pool.c.

{
  if (BufferPoolCount == 0)
    increase_buffer_pool();
  return BufferPool[--BufferPoolCount];
}

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mutt_buffer_pool_release()

void mutt_buffer_pool_release

(

struct Buffer **

pbuf

)

Free a Buffer from the pool.

Parameters

[out]

pbuf

Buffer to free

Definition at line 112 of file pool.c.

{
  if (!pbuf || !*pbuf)
    return;
 
  if (BufferPoolCount >= BufferPoolLen)
  {
    mutt_debug(LL_DEBUG1, "Internal buffer pool error\n");
    buffer_free(pbuf);
    return;
  }
 
  struct Buffer *buf = *pbuf;
  if ((buf->dsize > (2 * BufferPoolInitialBufferSize)) ||
      (buf->dsize < BufferPoolInitialBufferSize))
  {
    buf->dsize = BufferPoolInitialBufferSize;
    mutt_mem_realloc(&buf->data, buf->dsize);
  }
  mutt_buffer_reset(buf);
  BufferPool[BufferPoolCount++] = buf;
 
  *pbuf = NULL;
}

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