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qemu iovec: keep track of total size, allow partial copies (Gerd Hoffman)

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6448 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-01-26 17:17:52 +00:00
parent 28c699a2b6
commit 249aa745fb
3 changed files with 14 additions and 6 deletions
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3
qemu-common.h
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@ -195,13 +195,14 @@ typedef struct QEMUIOVector {
struct iovec *iov;
int niov;
int nalloc;
size_t size;
} QEMUIOVector;
void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
void qemu_iovec_destroy(QEMUIOVector *qiov);
void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf);
void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
#endif /* dyngen-exec.h hack */