On Thu, Aug 29, 2019 at 07:02:50PM +0100, Daniel P. Berrangé wrote:
GLib requires that any memory allocated with g_new/g_malloc/etc is free'd by g_free. This means mixing virAlloc with g_free, or g_new with virFree will violate API rules. The easy way to dea with this is to simply make our allocation functions wrappers
s/dea/deal/
to the glib functions. Use of our allocation functions can be phased out gradually over time. When doing such conversions, the return values checks can be dropped at the same time. Signed-off-by: Daniel P. Berrangé <berra...@redhat.com> --- src/util/viralloc.c | 29 ++++++----------------------- 1 file changed, 6 insertions(+), 23 deletions(-)
I'm afraid this is incomplete. The obvious mismatch being VIR_STRDUP calling strdup while VIR_FREE would call g_free now. Same with (v)asprintf. We also use VIR_FREE to free memory allocated by external libraries (e.g. virXMLPropString; while there is a xmlFree function which is just an alias for free, we never use it in libvirt code) Maybe the safer approach would be to convert the code gradually and explicitly use g_alloc and g_free/g_autoptr without the wrappers? Jano
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