695d6fb864
GCC 9 is being stricter about passing null string pointers
to printf-like functions.
Signed-off-by: Grzegorz Blach <grzegorz@blach.pl>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit a5601a6416)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
74 lines
2.8 KiB
Diff
74 lines
2.8 KiB
Diff
From 79492bb914e419c54298ba6324e3d595e51c16c3 Mon Sep 17 00:00:00 2001
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From: Ernestas Kulik <ekulik@redhat.com>
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Date: Tue, 29 Jan 2019 09:50:46 +0100
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Subject: [PATCH] gdbus: Avoid printing null strings
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This mostly affects the 2.56 branch, but, given that GCC 9 is being
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stricter about passing null string pointers to printf-like functions, it
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might make sense to proactively fix such calls.
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gdbusauth.c: In function '_g_dbus_auth_run_server':
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gdbusauth.c:1302:11: error: '%s' directive argument is null
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[-Werror=format-overflow=]
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1302 | debug_print ("SERVER: WaitingForBegin, read '%s'",
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line);
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gdbusmessage.c: In function ‘g_dbus_message_to_blob’:
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gdbusmessage.c:2730:30: error: ‘%s’ directive argument is null [-Werror=format-overflow=]
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2730 | tupled_signature_str = g_strdup_printf ("(%s)", signature_str);
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Signed-off-by: Grzegorz Blach <grzegorz@blach.pl>
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---
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gio/gdbusauth.c | 2 +-
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gio/gdbusmessage.c | 5 ++---
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2 files changed, 3 insertions(+), 4 deletions(-)
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diff --git a/gio/gdbusauth.c b/gio/gdbusauth.c
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index 1f8ea8057..752ec23fc 100644
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--- a/gio/gdbusauth.c
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+++ b/gio/gdbusauth.c
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@@ -1272,9 +1272,9 @@ _g_dbus_auth_run_server (GDBusAuth *auth,
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&line_length,
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cancellable,
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error);
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- debug_print ("SERVER: WaitingForBegin, read '%s'", line);
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if (line == NULL)
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goto out;
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+ debug_print ("SERVER: WaitingForBegin, read '%s'", line);
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if (g_strcmp0 (line, "BEGIN") == 0)
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{
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/* YAY, done! */
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diff --git a/gio/gdbusmessage.c b/gio/gdbusmessage.c
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index 3221b925d..3a1a1f9e9 100644
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--- a/gio/gdbusmessage.c
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+++ b/gio/gdbusmessage.c
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@@ -2731,7 +2731,6 @@ g_dbus_message_to_blob (GDBusMessage *message,
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if (message->body != NULL)
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{
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gchar *tupled_signature_str;
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- tupled_signature_str = g_strdup_printf ("(%s)", signature_str);
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if (signature == NULL)
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{
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g_set_error (error,
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@@ -2739,10 +2738,10 @@ g_dbus_message_to_blob (GDBusMessage *message,
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G_IO_ERROR_INVALID_ARGUMENT,
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_("Message body has signature “%s” but there is no signature header"),
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signature_str);
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- g_free (tupled_signature_str);
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goto out;
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}
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- else if (g_strcmp0 (tupled_signature_str, g_variant_get_type_string (message->body)) != 0)
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+ tupled_signature_str = g_strdup_printf ("(%s)", signature_str);
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+ if (g_strcmp0 (tupled_signature_str, g_variant_get_type_string (message->body)) != 0)
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{
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g_set_error (error,
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G_IO_ERROR,
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--
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2.21.0
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