override: Replace PyString_AsString with libvirt_charPtrUnwrap

Replace calls to PyString_AsString with the helper method
libvirt_charPtrUnwrap. This isolates the code that will
change in Python3.

In making this change, all callers now have responsibility
for free'ing the string.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/typewrappers.h b/typewrappers.h
index 04e364f..7068426 100644
--- a/typewrappers.h
+++ b/typewrappers.h
@@ -173,6 +173,7 @@ int libvirt_longlongUnwrap(PyObject *obj, long long *val);
 int libvirt_ulonglongUnwrap(PyObject *obj, unsigned long long *val);
 int libvirt_doubleUnwrap(PyObject *obj, double *val);
 int libvirt_boolUnwrap(PyObject *obj, bool *val);
+int libvirt_charPtrUnwrap(PyObject *obj, char **str);
 PyObject * libvirt_virConnectPtrWrap(virConnectPtr node);
 PyObject * libvirt_virDomainPtrWrap(virDomainPtr node);
 PyObject * libvirt_virNetworkPtrWrap(virNetworkPtr node);