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-rw-r--r--include/qemu-common.h6
-rw-r--r--util/iov.c10
2 files changed, 9 insertions, 7 deletions
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 66ceceb2ad..ae76197532 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -315,9 +315,9 @@ void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
void qemu_iovec_concat(QEMUIOVector *dst,
QEMUIOVector *src, size_t soffset, size_t sbytes);
-void qemu_iovec_concat_iov(QEMUIOVector *dst,
- struct iovec *src_iov, unsigned int src_cnt,
- size_t soffset, size_t sbytes);
+size_t qemu_iovec_concat_iov(QEMUIOVector *dst,
+ struct iovec *src_iov, unsigned int src_cnt,
+ size_t soffset, size_t sbytes);
bool qemu_iovec_is_zero(QEMUIOVector *qiov);
void qemu_iovec_destroy(QEMUIOVector *qiov);
void qemu_iovec_reset(QEMUIOVector *qiov);
diff --git a/util/iov.c b/util/iov.c
index 49f88388f8..2b4f46da75 100644
--- a/util/iov.c
+++ b/util/iov.c
@@ -295,15 +295,15 @@ void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len)
* of src".
* Only vector pointers are processed, not the actual data buffers.
*/
-void qemu_iovec_concat_iov(QEMUIOVector *dst,
- struct iovec *src_iov, unsigned int src_cnt,
- size_t soffset, size_t sbytes)
+size_t qemu_iovec_concat_iov(QEMUIOVector *dst,
+ struct iovec *src_iov, unsigned int src_cnt,
+ size_t soffset, size_t sbytes)
{
int i;
size_t done;
if (!sbytes) {
- return;
+ return 0;
}
assert(dst->nalloc != -1);
for (i = 0, done = 0; done < sbytes && i < src_cnt; i++) {
@@ -317,6 +317,8 @@ void qemu_iovec_concat_iov(QEMUIOVector *dst,
}
}
assert(soffset == 0); /* offset beyond end of src */
+
+ return done;
}
/*