[libvirt] [PATCH v2 02/38] fdstreamtest: Print more info on read failure
It helps with debugging if we know what's the return value of
saferead().
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
tests/fdstreamtest.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/tests/fdstreamtest.c b/tests/fdstreamtest.c
index 5e82dac..68a5bc3 100644
--- a/tests/fdstreamtest.c
+++ b/tests/fdstreamtest.c
@@ -250,14 +250,16 @@ static int testFDStreamWriteCommon(const char *scratchdir, bool
blocking)
goto cleanup;
for (i = 0; i < 10; i++) {
- size_t want;
+ size_t want, got;
if (i == 9)
want = PATTERN_LEN / 2;
else
want = PATTERN_LEN;
- if (saferead(fd, buf, want) != want) {
- virFilePrintf(stderr, "Short read from data\n");
+ if ((got = saferead(fd, buf, want)) != want) {
+ virFilePrintf(stderr,
+ "Short read from data, i=%zu got=%zu want=%zu\n",
+ i, got, want);
goto cleanup;
}
--
2.10.2