From 519661ee6514f22b1e289b1c4c8c076378bc4202 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 10 Jun 2014 16:21:28 +0200 Subject: util: add return value to qemu_iovec_concat_iov This will be necessary later to recognize the case where a request has both dataout and datain. Signed-off-by: Paolo Bonzini --- util/iov.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'util/iov.c') diff --git a/util/iov.c b/util/iov.c index 49f8838..2b4f46d 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; } /* -- cgit v1.1