[libvirt] [PATCH 2/5] virterror: Add virSetError

Can be used to re-set an old error, which may have been squashed by other functions (like cleanup routines). Will be used in subsequent patches Signed-off-by: Cole Robinson <crobinso(a)redhat.com&gt; --- src/libvirt_private.syms | 1 + src/util/virterror.c | 22 ++++++++++++++++++++++ src/util/virterror_internal.h | 1 + 3 files changed, 24 insertions(+), 0 deletions(-) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 10940eb..a894775 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -593,6 +593,7 @@ virRaiseErrorFull; virReportSystemErrorFull; virReportOOMErrorFull; virStrerror; +virSetError; # xml.h diff --git a/src/util/virterror.c b/src/util/virterror.c index bee1242..e2128b9 100644 --- a/src/util/virterror.c +++ b/src/util/virterror.c @@ -290,6 +290,28 @@ virGetLastError(void) } /** + * virSetError: + * + * Set the current error from a previously saved error object + * + * Can be used to re-set an old error, which may have been squashed by + * other functions (like cleanup routines). + * + * Returns 0 on success, 1 on failure + */ +int +virSetError(virErrorPtr newerr) +{ + virErrorPtr err; + err = virGetLastError(); + if (!err) + return -1; + + virResetError(err); + return virCopyError(newerr, err); +} + +/** * virCopyLastError: * @to: target to receive the copy * diff --git a/src/util/virterror_internal.h b/src/util/virterror_internal.h index c246140..c713497 100644 --- a/src/util/virterror_internal.h +++ b/src/util/virterror_internal.h @@ -90,6 +90,7 @@ void virReportOOMErrorFull(virConnectPtr conn, __FILE__, __FUNCTION__, __LINE__) +int virSetError(virErrorPtr newerr); void virDispatchError(virConnectPtr conn); const char *virStrerror(int theerrno, char *errBuf, size_t errBufLen); -- 1.6.5.2