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buffer: add buffer_shrink

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1446203414-4013-6-git-send-email-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2015-10-30 12:10:00 +01:00
parent 830a958320
commit 1ff36b5d4d
2 changed files with 29 additions and 1 deletions
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10
include/qemu/buffer.h
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@ -51,6 +51,16 @@ struct Buffer {
void buffer_init(Buffer *buffer, const char *name, ...)
GCC_FMT_ATTR(2, 3);
/**
* buffer_shrink:
* @buffer: the buffer object
*
* Try to shrink the buffer. Checks current buffer capacity and size
* and reduces capacity in case only a fraction of the buffer is
* actually used.
*/
void buffer_shrink(Buffer *buffer);
/**
* buffer_reserve:
* @buffer: the buffer object