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--- tests/Makefile.am | 3 ++ tests/test-export-name.sh | 86 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+) diff --git a/tests/Makefile.am b/tests/Makefile.am index b5806bb..f54597b 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -395,6 +395,9 @@ endif HAVE_LIBGUESTFS # Test export flags. TESTS += test-eflags.sh +# Test export name. +TESTS += test-export-name.sh + # common disk image shared with several tests if HAVE_GUESTFISH check_DATA += disk diff --git a/t...

..._size); + if (new_bitmap == NULL) { + nbdkit_error ("realloc: %m"); + return -1; + } + } + else { + free (bm->bitmap); + new_bitmap = NULL; } bm->bitmap = new_bitmap; bm->size = new_bm_size; diff --git a/tests/Makefile.am b/tests/Makefile.am index f54597b..9eec75e 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -50,6 +50,7 @@ EXTRA_DIST = \ test-cacheextents.sh \ test-captive.sh \ test-cow.sh \ + test-cow-null.sh \ test-cxx.sh \ test-data-7E.sh \ test-data-base64.sh \ @@ -960,6 +961,7 @@ TESTS += test-cacheextents.sh if HAVE_G...

v1 was here: https://www.redhat.com/archives/libguestfs/2019-September/msg00100.html In v2 I've changed the patch so it avoids calling realloc at all in this case. The patch is a bit longer this way. But I don't see any other alternative if we are to avoid having a "realloc wrapper" of some kind that we use everywhere, which I guess we should avoid because it makes plugins

The previous incomplete patch was here: https://www.redhat.com/archives/libguestfs/2019-September/msg00049.html based on earlier discussion here: https://www.redhat.com/archives/libguestfs/2019-September/msg00047.html In v2: - The previous patch was incomplete. This version completes it by adding tests and extending nbdkit-sh-plugin. - nbdkit_export_name now returns NULL for error,