[libvirt] [PATCH] Introduce gvir_set_error (and friends) & convert all code
Christophe Fergeau
cfergeau at redhat.com
Mon Dec 5 11:59:36 UTC 2011
On Mon, Dec 05, 2011 at 11:25:31AM +0000, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange at redhat.com>
>
> The pattern
>
> GError **error;
> ....
> *err = gvir_error_new(...)
>
> is dangerous because 'err' could be NULL, and it is tedious
> to expect everyone to check. Introduce a new set of APIs
> for setting errors
>
> gvir_set_error(err, ...)
>
> and convert all callers to this new pattern
> ---
> libvirt-gconfig/libvirt-gconfig-helpers-private.h | 7 +-
> libvirt-gconfig/libvirt-gconfig-helpers.c | 48 +++++++---
> libvirt-gconfig/libvirt-gconfig-object.c | 15 ++-
> libvirt-glib/libvirt-glib-error.c | 91 +++++++++++++++++++
> libvirt-glib/libvirt-glib-error.h | 18 ++++
> libvirt-glib/libvirt-glib.sym | 3 +
> libvirt-gobject/libvirt-gobject-connection.c | 88 ++++++++----------
> libvirt-gobject/libvirt-gobject-domain-disk.c | 7 +-
> libvirt-gobject/libvirt-gobject-domain-interface.c | 7 +-
> libvirt-gobject/libvirt-gobject-domain-snapshot.c | 6 +-
> libvirt-gobject/libvirt-gobject-domain.c | 95 +++++++++-----------
> libvirt-gobject/libvirt-gobject-interface.c | 7 +-
> libvirt-gobject/libvirt-gobject-network-filter.c | 7 +-
> libvirt-gobject/libvirt-gobject-network.c | 7 +-
> libvirt-gobject/libvirt-gobject-node-device.c | 7 +-
> libvirt-gobject/libvirt-gobject-secret.c | 7 +-
> libvirt-gobject/libvirt-gobject-storage-pool.c | 47 +++++------
> libvirt-gobject/libvirt-gobject-storage-vol.c | 7 +-
> libvirt-gobject/libvirt-gobject-stream.c | 14 ++--
> 19 files changed, 295 insertions(+), 193 deletions(-)
>
> diff --git a/libvirt-gconfig/libvirt-gconfig-helpers-private.h b/libvirt-gconfig/libvirt-gconfig-helpers-private.h
> index 6277cbd..087085e 100644
> --- a/libvirt-gconfig/libvirt-gconfig-helpers-private.h
> +++ b/libvirt-gconfig/libvirt-gconfig-helpers-private.h
> @@ -30,8 +30,11 @@
>
> G_BEGIN_DECLS
>
> -GError *gvir_xml_error_new(GQuark domain, gint code,
> - const gchar *format, ...);
> +GError *gvir_config_xml_error_new(GQuark domain, gint code,
> + const gchar *format, ...);
If we rename these, I'd go with gvir_config_error_new
> +void gvir_config_set_xml_error(GError **err,
> + GQuark domain, gint code,
> + const gchar *format, ...);
> xmlNodePtr gvir_config_xml_parse(const char *xml,
> const char *root_node,
> GError **err);
> diff --git a/libvirt-gconfig/libvirt-gconfig-helpers.c b/libvirt-gconfig/libvirt-gconfig-helpers.c
> index 7bba594..f4f82e9 100644
> --- a/libvirt-gconfig/libvirt-gconfig-helpers.c
> +++ b/libvirt-gconfig/libvirt-gconfig-helpers.c
> @@ -36,9 +36,9 @@ gvir_config_object_error_quark(void)
> return g_quark_from_static_string("gvir-config-object");
> }
>
> -static GError *gvir_xml_error_new_literal(GQuark domain,
> - gint code,
> - const gchar *message)
> +static GError *gvir_config_xml_error_new_literal(GQuark domain,
> + gint code,
> + const gchar *message)
> {
> xmlErrorPtr xerr = xmlGetLastError();
>
> @@ -59,10 +59,10 @@ static GError *gvir_xml_error_new_literal(GQuark domain,
> }
>
>
> -GError *gvir_xml_error_new(GQuark domain,
> - gint code,
> - const gchar *format,
> - ...)
> +GError *gvir_config_xml_error_new(GQuark domain,
> + gint code,
> + const gchar *format,
> + ...)
> {
> GError *err;
> va_list args;
> @@ -72,13 +72,34 @@ GError *gvir_xml_error_new(GQuark domain,
> message = g_strdup_vprintf(format, args);
> va_end(args);
>
> - err = gvir_xml_error_new_literal(domain, code, message);
> + err = gvir_config_xml_error_new_literal(domain, code, message);
>
> g_free(message);
>
> return err;
> }
>
> +
> +void gvir_config_set_xml_error(GError **err,
> + GQuark domain, gint code,
> + const gchar *format, ...)
> +{
> + va_list args;
> + gchar *message;
> +
> + if (!err)
> + return;
> +
> + va_start(args, format);
> + message = g_strdup_vprintf(format, args);
> + va_end(args);
> +
> + *err = gvir_config_xml_error_new_literal(domain, code, message);
> +
> + g_free(message);
> +}
> +
> +
> xmlNodePtr
> gvir_config_xml_parse(const char *xml, const char *root_node, GError **err)
> {
> @@ -94,17 +115,18 @@ gvir_config_xml_parse(const char *xml, const char *root_node, GError **err)
>
> doc = xmlParseMemory(xml, strlen(xml));
> if (!doc) {
> - *err = gvir_xml_error_new(GVIR_CONFIG_OBJECT_ERROR,
> + gvir_config_set_xml_error(err, GVIR_CONFIG_OBJECT_ERROR,
> 0,
> "%s",
> "Unable to parse configuration");
This "%s", msg pattern occurs several time, it will be worth adding a
_set_error_literal variant some day
> return NULL;
> }
> if ((!doc->children) || (strcmp((char *)doc->children->name, root_node) != 0)) {
> - *err = g_error_new(GVIR_CONFIG_OBJECT_ERROR,
> - 0,
> - "XML data has no '%s' node",
> - root_node);
> + g_set_error(err,
> + GVIR_CONFIG_OBJECT_ERROR,
> + 0,
> + "XML data has no '%s' node",
> + root_node);
> xmlFreeDoc(doc);
> return NULL;
> }
> diff --git a/libvirt-gconfig/libvirt-gconfig-object.c b/libvirt-gconfig/libvirt-gconfig-object.c
> index 5e973d5..3a55387 100644
> --- a/libvirt-gconfig/libvirt-gconfig-object.c
> +++ b/libvirt-gconfig/libvirt-gconfig-object.c
> @@ -202,7 +202,8 @@ void gvir_config_object_validate(GVirConfigObject *config,
> xmlSetStructuredErrorFunc(NULL, gvir_xml_structured_error_nop);
>
> if (!priv->node) {
> - *err = gvir_xml_error_new(GVIR_CONFIG_OBJECT_ERROR,
> + gvir_config_set_xml_error(err,
> + GVIR_CONFIG_OBJECT_ERROR,
> 0,
> "%s",
> "No XML document associated with this config object");
> @@ -211,7 +212,8 @@ void gvir_config_object_validate(GVirConfigObject *config,
>
> rngParser = xmlRelaxNGNewParserCtxt(priv->schema);
> if (!rngParser) {
> - *err = gvir_xml_error_new(GVIR_CONFIG_OBJECT_ERROR,
> + gvir_config_set_xml_error(err,
> + GVIR_CONFIG_OBJECT_ERROR,
> 0,
> "Unable to create RNG parser for %s",
> priv->schema);
> @@ -220,7 +222,8 @@ void gvir_config_object_validate(GVirConfigObject *config,
>
> rng = xmlRelaxNGParse(rngParser);
> if (!rng) {
> - *err = gvir_xml_error_new(GVIR_CONFIG_OBJECT_ERROR,
> + gvir_config_set_xml_error(err,
> + GVIR_CONFIG_OBJECT_ERROR,
> 0,
> "Unable to parse RNG %s",
> priv->schema);
> @@ -231,7 +234,8 @@ void gvir_config_object_validate(GVirConfigObject *config,
>
> rngValid = xmlRelaxNGNewValidCtxt(rng);
> if (!rngValid) {
> - *err = gvir_xml_error_new(GVIR_CONFIG_OBJECT_ERROR,
> + gvir_config_set_xml_error(err,
> + GVIR_CONFIG_OBJECT_ERROR,
> 0,
> "Unable to create RNG validation context %s",
> priv->schema);
> @@ -240,7 +244,8 @@ void gvir_config_object_validate(GVirConfigObject *config,
> }
>
> if (xmlRelaxNGValidateDoc(rngValid, priv->node->doc) != 0) {
> - *err = gvir_xml_error_new(GVIR_CONFIG_OBJECT_ERROR,
> + gvir_config_set_xml_error(err,
> + GVIR_CONFIG_OBJECT_ERROR,
> 0,
> "%s",
> "Unable to validate doc");
> diff --git a/libvirt-glib/libvirt-glib-error.c b/libvirt-glib/libvirt-glib-error.c
> index b4d1f93..4a44216 100644
> --- a/libvirt-glib/libvirt-glib-error.c
> +++ b/libvirt-glib/libvirt-glib-error.c
> @@ -126,3 +126,94 @@ GError *gvir_error_new_valist(GQuark domain,
>
> return err;
> }
> +
> +
> +/**
> + * gvir_set_error: (skip)
> + * @error: pointer to error location
> + * @domain: error domain
> + * @code: error code
> + * @format: printf()-style format for error message
> + * @Varargs: parameters for message format
> + *
> + * If @error is NULL this does nothing. Otherwise it
> + * creates a new #GError with the given @domain and @code,
> + * and a message formatted with @format, and stores it
> + * in @error.
> + */
> +void gvir_set_error(GError **error,
> + GQuark domain,
> + gint code,
> + const gchar *format,
> + ...)
> +{
> + va_list args;
> + gchar *message;
> +
> + if (!error)
> + return;
> +
> + va_start(args, format);
> + message = g_strdup_vprintf(format, args);
> + va_end(args);
> +
> + *error = gvir_error_new_literal(domain, code, message);
> +
> + g_free(message);
> +}
I'd write it as
va_start(args, format);
gvir_set_error_valist(error, domain, code, format, args);
va_end(args);
Rest of the patch looks good to me,
Christophe
> +
> +
> +/**
> + * gvir_set_error_literal: (skip)
> + * @error: pointer to error location
> + * @domain: error domain
> + * @code: error code
> + * @message: error message
> + *
> + * If @error is NULL this does nothing. Otherwise it
> + * creates a new #GError and stores it in @error; unlike
> + * gvir_set_error(), @message is not a printf()-style
> + * format string. Use this function if @message contains
> + * text you don't have control over, that could include
> + * printf() escape sequences.
> + */
> +void gvir_set_error_literal(GError **error,
> + GQuark domain,
> + gint code,
> + const gchar *message)
> +{
> + if (!error)
> + return;
> +
> + *error = gvir_error_new_literal(domain, code, message);
> +}
> +
> +
> +/**
> + * gvir_set_error_valist: (skip)
> + * @error: pointer to error location
> + * @domain: error domain
> + * @code: error code
> + * @format: printf()-style format for error message
> + * @args: #va_list of parameters for the message format
> + *
> + * If @error is NULL this does nothing. Otherwise it
> + * creates a new #GError with the given @domain and @code,
> + * and a message formatted with @format, and stores it
> + * in @error.
> + */
> +void gvir_set_error_valist(GError **error,
> + GQuark domain,
> + gint code,
> + const gchar *format,
> + va_list args)
> +{
> + gchar *message;
> + if (!error)
> + return;
> +
> + message = g_strdup_vprintf(format, args);
> + *error = gvir_error_new_literal(domain, code, message);
> +
> + g_free(message);
> +}
> diff --git a/libvirt-glib/libvirt-glib-error.h b/libvirt-glib/libvirt-glib-error.h
> index cfb5b95..9e44383 100644
> --- a/libvirt-glib/libvirt-glib-error.h
> +++ b/libvirt-glib/libvirt-glib-error.h
> @@ -42,6 +42,24 @@ GError *gvir_error_new_valist(GQuark domain,
> const gchar *format,
> va_list args);
>
> +void gvir_set_error(GError **error,
> + GQuark domain,
> + gint code,
> + const gchar *format,
> + ...);
> +
> +void gvir_set_error_literal(GError **error,
> + GQuark domain,
> + gint code,
> + const gchar *message);
> +
> +void gvir_set_error_valist(GError **error,
> + GQuark domain,
> + gint code,
> + const gchar *format,
> + va_list args);
> +
> +
> G_END_DECLS
>
> #endif /* __LIBVIRT_GLIB_ERROR_H__ */
> diff --git a/libvirt-glib/libvirt-glib.sym b/libvirt-glib/libvirt-glib.sym
> index cd41cb9..289dbee 100644
> --- a/libvirt-glib/libvirt-glib.sym
> +++ b/libvirt-glib/libvirt-glib.sym
> @@ -7,6 +7,9 @@ LIBVIRT_GLIB_0.0.1 {
> gvir_error_new;
> gvir_error_new_valist;
> gvir_error_new_literal;
> + gvir_set_error;
> + gvir_set_error_valist;
> + gvir_set_error_literal;
>
> local:
> *;
> diff --git a/libvirt-gobject/libvirt-gobject-connection.c b/libvirt-gobject/libvirt-gobject-connection.c
> index 9d3ab10..50cd860 100644
> --- a/libvirt-gobject/libvirt-gobject-connection.c
> +++ b/libvirt-gobject/libvirt-gobject-connection.c
> @@ -401,21 +401,19 @@ gboolean gvir_connection_open(GVirConnection *conn,
>
> g_mutex_lock(priv->lock);
> if (priv->conn) {
> - if (err)
> - *err = g_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Connection %s is already open",
> - priv->uri);
> + g_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Connection %s is already open",
> + priv->uri);
> g_mutex_unlock(priv->lock);
> return FALSE;
> }
>
> if (!(priv->conn = virConnectOpen(priv->uri))) {
> - if (err)
> - *err = gvir_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Unable to open %s",
> - priv->uri);
> + gvir_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Unable to open %s",
> + priv->uri);
> g_mutex_unlock(priv->lock);
> return FALSE;
> }
> @@ -423,10 +421,9 @@ gboolean gvir_connection_open(GVirConnection *conn,
> if (!priv->uri) {
> char *uri = virConnectGetURI(priv->conn);
> if (!uri) {
> - if (err)
> - *err = gvir_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "%s", "Unable to get connection URI");
> + gvir_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "%s", "Unable to get connection URI");
> virConnectClose(priv->conn);
> priv->conn = NULL;
> g_mutex_unlock(priv->lock);
> @@ -570,10 +567,9 @@ static gchar ** fetch_list(virConnectPtr vconn,
> gint i;
>
> if ((n = count_func(vconn)) < 0) {
> - if (err)
> - *err = gvir_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Unable to count %s", name);
> + gvir_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Unable to count %s", name);
> goto error;
> }
>
> @@ -583,10 +579,9 @@ static gchar ** fetch_list(virConnectPtr vconn,
>
> lst = g_new(gchar *, n);
> if ((n = list_func(vconn, lst, n)) < 0) {
> - if (err)
> - *err = gvir_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Unable to list %s %d", name, n);
> + gvir_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Unable to list %s %d", name, n);
> goto error;
> }
> }
> @@ -623,10 +618,9 @@ gboolean gvir_connection_fetch_domains(GVirConnection *conn,
>
> g_mutex_lock(priv->lock);
> if (!priv->conn) {
> - if (err)
> - *err = g_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Connection is not open");
> + g_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Connection is not open");
> g_mutex_unlock(priv->lock);
> goto cleanup;
> }
> @@ -639,10 +633,9 @@ gboolean gvir_connection_fetch_domains(GVirConnection *conn,
> goto cleanup;
>
> if ((nactive = virConnectNumOfDomains(vconn)) < 0) {
> - if (err)
> - *err = gvir_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Unable to count domains");
> + gvir_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Unable to count domains");
> goto cleanup;
> }
> if (nactive) {
> @@ -651,10 +644,9 @@ gboolean gvir_connection_fetch_domains(GVirConnection *conn,
>
> active = g_new(gint, nactive);
> if ((nactive = virConnectListDomains(vconn, active, nactive)) < 0) {
> - if (err)
> - *err = gvir_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Unable to list domains");
> + gvir_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Unable to list domains");
> goto cleanup;
> }
> }
> @@ -755,10 +747,9 @@ gboolean gvir_connection_fetch_storage_pools(GVirConnection *conn,
>
> g_mutex_lock(priv->lock);
> if (!priv->conn) {
> - if (err)
> - *err = g_error_new(GVIR_CONNECTION_ERROR,
> - 0,
> - "Connection is not open");
> + g_set_error(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Connection is not open");
> g_mutex_unlock(priv->lock);
> goto cleanup;
> }
> @@ -1238,10 +1229,9 @@ GVirDomain *gvir_connection_create_domain(GVirConnection *conn,
> handle = virDomainDefineXML(priv->conn, xml);
> g_free(xml);
> if (!handle) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_CONNECTION_ERROR,
> - 0,
> - "Failed to create domain");
> + gvir_set_error_literal(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Failed to create domain");
> return NULL;
> }
>
> @@ -1286,10 +1276,9 @@ GVirDomain *gvir_connection_start_domain(GVirConnection *conn,
> handle = virDomainCreateXML(priv->conn, xml, flags);
> g_free(xml);
> if (!handle) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_CONNECTION_ERROR,
> - 0,
> - "Failed to create domain");
> + gvir_set_error_literal(err, GVIR_CONNECTION_ERROR,
> + 0,
> + "Failed to create domain");
> return NULL;
> }
>
> @@ -1331,10 +1320,9 @@ GVirStoragePool *gvir_connection_create_storage_pool
> g_return_val_if_fail(xml != NULL, NULL);
>
> if (!(handle = virStoragePoolDefineXML(priv->conn, xml, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_CONNECTION_ERROR,
> - flags,
> - "Failed to create storage pool");
> + gvir_set_error_literal(err, GVIR_CONNECTION_ERROR,
> + flags,
> + "Failed to create storage pool");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-domain-disk.c b/libvirt-gobject/libvirt-gobject-domain-disk.c
> index ab9b29f..f98d816 100644
> --- a/libvirt-gobject/libvirt-gobject-domain-disk.c
> +++ b/libvirt-gobject/libvirt-gobject-domain-disk.c
> @@ -175,10 +175,9 @@ GVirDomainDiskStats *gvir_domain_disk_get_stats(GVirDomainDisk *self, GError **e
> handle = gvir_domain_device_get_domain_handle(GVIR_DOMAIN_DEVICE(self));
>
> if (virDomainBlockStats(handle, priv->path, &stats, sizeof (stats)) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_DISK_ERROR,
> - 0,
> - "Unable to get domain disk stats");
> + gvir_set_error_literal(err, GVIR_DOMAIN_DISK_ERROR,
> + 0,
> + "Unable to get domain disk stats");
> goto end;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-domain-interface.c b/libvirt-gobject/libvirt-gobject-domain-interface.c
> index 223a663..0917e03 100644
> --- a/libvirt-gobject/libvirt-gobject-domain-interface.c
> +++ b/libvirt-gobject/libvirt-gobject-domain-interface.c
> @@ -175,10 +175,9 @@ GVirDomainInterfaceStats *gvir_domain_interface_get_stats(GVirDomainInterface *s
> handle = gvir_domain_device_get_domain_handle(GVIR_DOMAIN_DEVICE(self));
>
> if (virDomainInterfaceStats(handle, priv->path, &stats, sizeof (stats)) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_INTERFACE_ERROR,
> - 0,
> - "Unable to get domain interface stats");
> + gvir_set_error_literal(err, GVIR_DOMAIN_INTERFACE_ERROR,
> + 0,
> + "Unable to get domain interface stats");
> goto end;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-domain-snapshot.c b/libvirt-gobject/libvirt-gobject-domain-snapshot.c
> index 36dd15b..e68321d 100644
> --- a/libvirt-gobject/libvirt-gobject-domain-snapshot.c
> +++ b/libvirt-gobject/libvirt-gobject-domain-snapshot.c
> @@ -196,9 +196,9 @@ GVirConfigDomainSnapshot *gvir_domain_snapshot_get_config
> gchar *xml;
>
> if (!(xml = virDomainSnapshotGetXMLDesc(priv->handle, flags))) {
> - *err = gvir_error_new_literal(GVIR_DOMAIN_SNAPSHOT_ERROR,
> - 0,
> - "Unable to get domain_snapshot XML config");
> + gvir_set_error_literal(err, GVIR_DOMAIN_SNAPSHOT_ERROR,
> + 0,
> + "Unable to get domain_snapshot XML config");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-domain.c b/libvirt-gobject/libvirt-gobject-domain.c
> index 56694a8..7bfb0ae 100644
> --- a/libvirt-gobject/libvirt-gobject-domain.c
> +++ b/libvirt-gobject/libvirt-gobject-domain.c
> @@ -279,10 +279,9 @@ gint gvir_domain_get_id(GVirDomain *dom,
> gint ret;
>
> if ((ret = virDomainGetID(priv->handle)) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to get ID for domain");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to get ID for domain");
> }
> return ret;
> }
> @@ -305,10 +304,9 @@ gboolean gvir_domain_start(GVirDomain *dom,
> else
> ret = virDomainCreate(priv->handle);
> if (ret < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to start domain");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to start domain");
> return FALSE;
> }
>
> @@ -327,10 +325,9 @@ gboolean gvir_domain_resume(GVirDomain *dom,
> GVirDomainPrivate *priv = dom->priv;
>
> if (virDomainResume(priv->handle) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to resume domain");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to resume domain");
> return FALSE;
> }
>
> @@ -354,10 +351,9 @@ gboolean gvir_domain_stop(GVirDomain *dom,
> else
> ret = virDomainDestroy(priv->handle);
> if (ret < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to stop domain");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to stop domain");
> return FALSE;
> }
>
> @@ -381,10 +377,9 @@ gboolean gvir_domain_delete(GVirDomain *dom,
> else
> ret = virDomainUndefine(priv->handle);
> if (ret < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to delete domain");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to delete domain");
> return FALSE;
> }
>
> @@ -403,10 +398,9 @@ gboolean gvir_domain_shutdown(GVirDomain *dom,
> GVirDomainPrivate *priv = dom->priv;
>
> if (virDomainShutdown(priv->handle) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to shutdown domain");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to shutdown domain");
> return FALSE;
> }
>
> @@ -425,10 +419,9 @@ gboolean gvir_domain_reboot(GVirDomain *dom,
> GVirDomainPrivate *priv = dom->priv;
>
> if (virDomainReboot(priv->handle, flags) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to reboot domain");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to reboot domain");
> return FALSE;
> }
>
> @@ -449,10 +442,9 @@ GVirConfigDomain *gvir_domain_get_config(GVirDomain *dom,
> gchar *xml;
>
> if (!(xml = virDomainGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to get domain XML config");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to get domain XML config");
> return NULL;
> }
>
> @@ -496,10 +488,9 @@ gboolean gvir_domain_set_config(GVirDomain *domain,
> g_return_val_if_fail(xml != NULL, FALSE);
>
> if ((conn = virDomainGetConnect(priv->handle)) == NULL) {
> - if (err != NULL)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Failed to get domain connection");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Failed to get domain connection");
> g_free (xml);
>
> return FALSE;
> @@ -509,11 +500,10 @@ gboolean gvir_domain_set_config(GVirDomain *domain,
> g_free (xml);
>
> if (handle == NULL) {
> - if (err != NULL)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Failed to set "
> - "domain configuration");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Failed to set "
> + "domain configuration");
> return FALSE;
> }
>
> @@ -521,11 +511,10 @@ gboolean gvir_domain_set_config(GVirDomain *domain,
> virDomainFree(handle);
>
> if (g_strcmp0 (uuid, priv->uuid) != 0) {
> - if (err != NULL)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Failed to set "
> - "domain configuration");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Failed to set "
> + "domain configuration");
>
> return FALSE;
> }
> @@ -546,10 +535,9 @@ GVirDomainInfo *gvir_domain_get_info(GVirDomain *dom,
> GVirDomainInfo *ret;
>
> if (virDomainGetInfo(priv->handle, &info) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to get domain info");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to get domain info");
> return NULL;
> }
>
> @@ -591,10 +579,9 @@ gchar *gvir_domain_screenshot(GVirDomain *dom,
> st,
> monitor_id,
> flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
> - 0,
> - "Unable to take a screenshot");
> + gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
> + 0,
> + "Unable to take a screenshot");
> goto end;
> }
> end:
> diff --git a/libvirt-gobject/libvirt-gobject-interface.c b/libvirt-gobject/libvirt-gobject-interface.c
> index 1413abf..7e6e9b0 100644
> --- a/libvirt-gobject/libvirt-gobject-interface.c
> +++ b/libvirt-gobject/libvirt-gobject-interface.c
> @@ -185,10 +185,9 @@ GVirConfigInterface *gvir_interface_get_config(GVirInterface *iface,
> gchar *xml;
>
> if (!(xml = virInterfaceGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_INTERFACE_ERROR,
> - 0,
> - "Unable to get interface XML config");
> + gvir_set_error_literal(err, GVIR_INTERFACE_ERROR,
> + 0,
> + "Unable to get interface XML config");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-network-filter.c b/libvirt-gobject/libvirt-gobject-network-filter.c
> index 2ac8236..f0fd024 100644
> --- a/libvirt-gobject/libvirt-gobject-network-filter.c
> +++ b/libvirt-gobject/libvirt-gobject-network-filter.c
> @@ -211,10 +211,9 @@ GVirConfigNetworkFilter *gvir_network_filter_get_config
> gchar *xml;
>
> if (!(xml = virNWFilterGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_NETWORK_FILTER_ERROR,
> - 0,
> - "Unable to get network_filter XML config");
> + gvir_set_error_literal(err, GVIR_NETWORK_FILTER_ERROR,
> + 0,
> + "Unable to get network_filter XML config");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-network.c b/libvirt-gobject/libvirt-gobject-network.c
> index 5f40a77..847c236 100644
> --- a/libvirt-gobject/libvirt-gobject-network.c
> +++ b/libvirt-gobject/libvirt-gobject-network.c
> @@ -207,10 +207,9 @@ GVirConfigNetwork *gvir_network_get_config(GVirNetwork *network,
> gchar *xml;
>
> if (!(xml = virNetworkGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_NETWORK_ERROR,
> - 0,
> - "Unable to get network XML config");
> + gvir_set_error_literal(err, GVIR_NETWORK_ERROR,
> + 0,
> + "Unable to get network XML config");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-node-device.c b/libvirt-gobject/libvirt-gobject-node-device.c
> index e21d1db..59fe84b 100644
> --- a/libvirt-gobject/libvirt-gobject-node-device.c
> +++ b/libvirt-gobject/libvirt-gobject-node-device.c
> @@ -186,10 +186,9 @@ GVirConfigNodeDevice *gvir_node_device_get_config(GVirNodeDevice *device,
> gchar *xml;
>
> if (!(xml = virNodeDeviceGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_NODE_DEVICE_ERROR,
> - 0,
> - "Unable to get node_device XML config");
> + gvir_set_error_literal(err, GVIR_NODE_DEVICE_ERROR,
> + 0,
> + "Unable to get node_device XML config");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-secret.c b/libvirt-gobject/libvirt-gobject-secret.c
> index 7521b73..0c81921 100644
> --- a/libvirt-gobject/libvirt-gobject-secret.c
> +++ b/libvirt-gobject/libvirt-gobject-secret.c
> @@ -197,10 +197,9 @@ GVirConfigSecret *gvir_secret_get_config(GVirSecret *secret,
> gchar *xml;
>
> if (!(xml = virSecretGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_SECRET_ERROR,
> - 0,
> - "Unable to get secret XML config");
> + gvir_set_error_literal(err, GVIR_SECRET_ERROR,
> + 0,
> + "Unable to get secret XML config");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-storage-pool.c b/libvirt-gobject/libvirt-gobject-storage-pool.c
> index e267dff..76970db 100644
> --- a/libvirt-gobject/libvirt-gobject-storage-pool.c
> +++ b/libvirt-gobject/libvirt-gobject-storage-pool.c
> @@ -239,10 +239,9 @@ GVirConfigStoragePool *gvir_storage_pool_get_config(GVirStoragePool *pool,
> gchar *xml;
>
> if (!(xml = virStoragePoolGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
> - 0,
> - "Unable to get storage_pool XML config");
> + gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
> + 0,
> + "Unable to get storage_pool XML config");
> return NULL;
> }
>
> @@ -297,9 +296,9 @@ static gchar ** fetch_list(virStoragePoolPtr vpool,
> gint i;
>
> if ((n = count_func(vpool)) < 0) {
> - *err = gvir_error_new(GVIR_STORAGE_POOL_ERROR,
> - 0,
> - "Unable to count %s", name);
> + gvir_set_error(err, GVIR_STORAGE_POOL_ERROR,
> + 0,
> + "Unable to count %s", name);
> goto error;
> }
>
> @@ -309,9 +308,9 @@ static gchar ** fetch_list(virStoragePoolPtr vpool,
>
> lst = g_new(gchar *, n);
> if ((n = list_func(vpool, lst, n)) < 0) {
> - *err = gvir_error_new(GVIR_STORAGE_POOL_ERROR,
> - 0,
> - "Unable to list %s %d", name, n);
> + gvir_set_error(err, GVIR_STORAGE_POOL_ERROR,
> + 0,
> + "Unable to list %s %d", name, n);
> goto error;
> }
> }
> @@ -347,10 +346,9 @@ gboolean gvir_storage_pool_refresh(GVirStoragePool *pool,
> vpool = priv->handle;
>
> if (virStoragePoolRefresh(vpool, 0) < 0) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
> - 0,
> - "Unable to refresh storage pool");
> + gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
> + 0,
> + "Unable to refresh storage pool");
> goto cleanup;
> }
>
> @@ -539,10 +537,9 @@ GVirStorageVol *gvir_storage_pool_create_volume
> g_return_val_if_fail(xml != NULL, NULL);
>
> if (!(handle = virStorageVolCreateXML(priv->handle, xml, 0))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
> - 0,
> - "Failed to create volume");
> + gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
> + 0,
> + "Failed to create volume");
> return NULL;
> }
>
> @@ -574,10 +571,9 @@ gboolean gvir_storage_pool_build (GVirStoragePool *pool,
> GError **err)
> {
> if (virStoragePoolBuild(pool->priv->handle, flags)) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
> - 0,
> - "Failed to build storage pool");
> + gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
> + 0,
> + "Failed to build storage pool");
> return FALSE;
> }
>
> @@ -679,10 +675,9 @@ gboolean gvir_storage_pool_start (GVirStoragePool *pool,
> GError **err)
> {
> if (virStoragePoolCreate(pool->priv->handle, flags)) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
> - 0,
> - "Failed to start storage pool");
> + gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
> + 0,
> + "Failed to start storage pool");
> return FALSE;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-storage-vol.c b/libvirt-gobject/libvirt-gobject-storage-vol.c
> index 15ae404..103d402 100644
> --- a/libvirt-gobject/libvirt-gobject-storage-vol.c
> +++ b/libvirt-gobject/libvirt-gobject-storage-vol.c
> @@ -212,10 +212,9 @@ GVirConfigStorageVol *gvir_storage_vol_get_config(GVirStorageVol *vol,
> gchar *xml;
>
> if (!(xml = virStorageVolGetXMLDesc(priv->handle, flags))) {
> - if (err)
> - *err = gvir_error_new_literal(GVIR_STORAGE_VOL_ERROR,
> - 0,
> - "Unable to get storage_vol XML config");
> + gvir_set_error_literal(err, GVIR_STORAGE_VOL_ERROR,
> + 0,
> + "Unable to get storage_vol XML config");
> return NULL;
> }
>
> diff --git a/libvirt-gobject/libvirt-gobject-stream.c b/libvirt-gobject/libvirt-gobject-stream.c
> index 7baf515..c1ae765 100644
> --- a/libvirt-gobject/libvirt-gobject-stream.c
> +++ b/libvirt-gobject/libvirt-gobject-stream.c
> @@ -372,10 +372,9 @@ gvir_stream_receive_all(GVirStream *self,
>
> r = virStreamRecvAll(self->priv->handle, stream_sink, &helper);
> if (r < 0) {
> - if (err != NULL)
> - *err = gvir_error_new_literal(GVIR_STREAM_ERROR,
> - 0,
> - "Unable to perform RecvAll");
> + gvir_set_error_literal(err, GVIR_STREAM_ERROR,
> + 0,
> + "Unable to perform RecvAll");
> }
>
> return r;
> @@ -476,10 +475,9 @@ gvir_stream_send_all(GVirStream *self,
>
> r = virStreamSendAll(self->priv->handle, stream_source, &helper);
> if (r < 0) {
> - if (err != NULL)
> - *err = gvir_error_new_literal(GVIR_STREAM_ERROR,
> - 0,
> - "Unable to perform SendAll");
> + gvir_set_error_literal(err, GVIR_STREAM_ERROR,
> + 0,
> + "Unable to perform SendAll");
> }
>
> return r;
> --
> 1.7.6.4
>
> --
> libvir-list mailing list
> libvir-list at redhat.com
> https://www.redhat.com/mailman/listinfo/libvir-list
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