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printers: Simplify D-Bus error case branches

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This commit is contained in:
Robert Ancell 2019-11-21 22:22:24 +13:00 • committed by Robert Ancell
parent e256dd57c3
commit 02d001564a
1 changed files with 137 additions and 158 deletions
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295
panels/printers/pp-utils.c
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@ -537,8 +537,8 @@ printer_set_location (const gchar *printer_name,
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
g_autoptr(GError) error = NULL;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name || !location)
return TRUE;
@ -562,22 +562,20 @@ printer_set_location (const gchar *printer_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting of location for printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting of location for printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
@ -587,8 +585,8 @@ printer_set_accepting_jobs (const gchar *printer_name,
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
g_autoptr(GError) error = NULL;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name)
return TRUE;
@ -615,22 +613,20 @@ printer_set_accepting_jobs (const gchar *printer_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting of acceptance of jobs for printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting of acceptance of jobs for printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
@ -639,8 +635,8 @@ printer_set_enabled (const gchar *printer_name,
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
g_autoptr(GError) error = NULL;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name)
return TRUE;
@ -664,22 +660,20 @@ printer_set_enabled (const gchar *printer_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting of enablement of printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting of enablement of printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
@ -687,8 +681,8 @@ printer_delete (const gchar *printer_name)
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
g_autoptr(GError) error = NULL;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name)
return TRUE;
@ -712,29 +706,26 @@ printer_delete (const gchar *printer_name)
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: removing of printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: removing of printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
printer_set_default (const gchar *printer_name)
{
const char *cups_server;
gboolean result = FALSE;
const char *cups_server;
g_autoptr(GError) error = NULL;
if (!printer_name)
@ -747,6 +738,8 @@ printer_set_default (const gchar *printer_name)
cups_server[0] == '/')
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
const gchar *ret_error;
/* Clean .cups/lpoptions before setting
* default printer on local CUPS server.
@ -757,38 +750,35 @@ printer_set_default (const gchar *printer_name)
if (!bus)
{
g_warning ("Failed to get system bus: %s", error->message);
return FALSE;
}
else
output = g_dbus_connection_call_sync (bus,
MECHANISM_BUS,
"/",
MECHANISM_BUS,
"PrinterSetDefault",
g_variant_new ("(s)", printer_name),
G_VARIANT_TYPE ("(s)"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if (output == NULL)
{
g_autoptr(GVariant) output = NULL;
output = g_dbus_connection_call_sync (bus,
MECHANISM_BUS,
"/",
MECHANISM_BUS,
"PrinterSetDefault",
g_variant_new ("(s)", printer_name),
G_VARIANT_TYPE ("(s)"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting default printer to %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
{
g_warning ("%s", error->message);
}
g_warning ("%s", error->message);
return FALSE;
}
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting default printer to %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
else
/* Store default printer to .cups/lpoptions
@ -796,9 +786,8 @@ printer_set_default (const gchar *printer_name)
*/
{
set_local_default_printer (printer_name);
return TRUE;
}
return result;
}
gboolean
@ -807,8 +796,8 @@ printer_set_shared (const gchar *printer_name,
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
g_autoptr(GError) error = NULL;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name)
return TRUE;
@ -832,22 +821,20 @@ printer_set_shared (const gchar *printer_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting of sharing of printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting of sharing of printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
@ -857,8 +844,8 @@ printer_set_job_sheets (const gchar *printer_name,
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
g_autoptr(GError) error = NULL;
gboolean result = FALSE;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name || !start_sheet || !end_sheet)
return TRUE;
@ -882,22 +869,20 @@ printer_set_job_sheets (const gchar *printer_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting of job sheets for printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting of job sheets for printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
@ -907,8 +892,8 @@ printer_set_policy (const gchar *printer_name,
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
g_autoptr(GError) error = NULL;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name || !policy)
return TRUE;
@ -945,22 +930,20 @@ printer_set_policy (const gchar *printer_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting of a policy for printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting of a policy for printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
@ -972,7 +955,7 @@ printer_set_users (const gchar *printer_name,
GVariantBuilder array_builder;
gint i;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!printer_name || !users)
@ -1014,22 +997,20 @@ printer_set_users (const gchar *printer_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: setting of access list for printer %s failed: %s", printer_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: setting of access list for printer %s failed: %s", printer_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean
@ -1038,8 +1019,8 @@ class_add_printer (const gchar *class_name,
{
g_autoptr(GDBusConnection) bus = NULL;
g_autoptr(GVariant) output = NULL;
gboolean result = FALSE;
g_autoptr(GError) error = NULL;
const gchar *ret_error;
g_autoptr(GError) error = NULL;
if (!class_name || !printer_name)
return TRUE;
@ -1063,22 +1044,20 @@ class_add_printer (const gchar *class_name,
NULL,
&error);
if (output)
{
const gchar *ret_error;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
g_warning ("cups-pk-helper: adding of printer %s to class %s failed: %s", printer_name, class_name, ret_error);
else
result = TRUE;
}
else
if (output == NULL)
{
g_warning ("%s", error->message);
return FALSE;
}
return result;
g_variant_get (output, "(&s)", &ret_error);
if (ret_error[0] != '\0')
{
g_warning ("cups-pk-helper: adding of printer %s to class %s failed: %s", printer_name, class_name, ret_error);
return FALSE;
}
return TRUE;
}
gboolean