Bug Summary

File:_build/../libvnck/test-tasklist.c
Warning:line 110, column 46
This statement is never executed

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name test-tasklist.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/rootdir/_build -fcoverage-compilation-dir=/rootdir/_build -resource-dir /usr/lib/llvm-19/lib/clang/19 -I libvnck/test-tasklist.p -I libvnck -I ../libvnck -I . -I .. -I /usr/include/cairo -I /usr/include/libpng16 -I /usr/include/freetype2 -I /usr/include/pixman-1 -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/sysprof-6 -I /usr/include/ctk-3.0 -I /usr/include/pango-1.0 -I /usr/include/harfbuzz -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/fribidi -I /usr/include/gdk-pixbuf-2.0 -I /usr/include/x86_64-linux-gnu -I /usr/include/webp -I /usr/include/gio-unix-2.0 -I /usr/include/atk-1.0 -I /usr/include/at-spi2-atk/2.0 -I /usr/include/at-spi-2.0 -I /usr/include/dbus-1.0 -I /usr/lib/x86_64-linux-gnu/dbus-1.0/include -I /usr/include/startup-notification-1.0 -D _FILE_OFFSET_BITS=64 -D G_LOG_DOMAIN="Vnck" -D VNCK_I_KNOW_THIS_IS_UNSTABLE -D VNCK_LOCALEDIR="/usr/local/share/locale" -D VNCK_COMPILATION -D SN_API_NOT_YET_FROZEN=1 -internal-isystem /usr/lib/llvm-19/lib/clang/19/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O0 -ferror-limit 19 -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -fcolor-diagnostics -analyzer-checker deadcode.DeadStores -analyzer-checker alpha.deadcode.UnreachableCode -analyzer-checker alpha.core.CastSize -analyzer-checker alpha.core.CastToStruct -analyzer-checker alpha.core.IdenticalExpr -analyzer-checker alpha.security.ArrayBoundV2 -analyzer-checker alpha.security.MallocOverflow -analyzer-checker alpha.security.ReturnPtrRange -analyzer-checker alpha.unix.SimpleStream -analyzer-checker alpha.unix.cstring.BufferOverlap -analyzer-checker alpha.unix.cstring.NotNullTerminated -analyzer-checker alpha.unix.cstring.OutOfBounds -analyzer-checker alpha.core.FixedAddr -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /rootdir/html-report/2025-08-10-112340-9461-1 -x c ../libvnck/test-tasklist.c
1#include <libvnck/libvnck.h>
2#include <ctk/ctk.h>
3
4static gboolean display_all = FALSE(0);
5static gboolean never_group = FALSE(0);
6static gboolean always_group = FALSE(0);
7static gboolean rtl = FALSE(0);
8static gboolean skip_tasklist = FALSE(0);
9static gboolean transparent = FALSE(0);
10static gboolean vertical = FALSE(0);
11static gint icon_size = VNCK_DEFAULT_MINI_ICON_SIZE16;
12static gboolean enable_scroll = TRUE(!(0));
13
14static GOptionEntry entries[] = {
15 {"always-group", 'g', 0, G_OPTION_ARG_NONE, &always_group, "Always group windows", NULL((void*)0)},
16 {"never-group", 'n', 0, G_OPTION_ARG_NONE, &never_group, "Never group windows", NULL((void*)0)},
17 {"display-all", 'a', 0, G_OPTION_ARG_NONE, &display_all, "Display windows from all workspaces", NULL((void*)0)},
18 {"icon-size", 'i', 0, G_OPTION_ARG_INT, &icon_size, "Icon size for tasklist", NULL((void*)0)},
19 {"rtl", 'r', 0, G_OPTION_ARG_NONE, &rtl, "Use RTL as default direction", NULL((void*)0)},
20 {"skip-tasklist", 's', 0, G_OPTION_ARG_NONE, &skip_tasklist, "Don't show window in tasklist", NULL((void*)0)},
21 {"vertical", 'v', 0, G_OPTION_ARG_NONE, &vertical, "Show in vertical mode", NULL((void*)0)},
22 {"transparent", 't', 0, G_OPTION_ARG_NONE, &transparent, "Enable Transparency", NULL((void*)0)},
23 {"disable-scroll", 'd', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &enable_scroll, "Disable scrolling", NULL((void*)0)},
24 {NULL((void*)0) }
25};
26
27static gboolean
28window_draw (CtkWidget *widget G_GNUC_UNUSED__attribute__ ((__unused__)),
29 cairo_t *cr,
30 gpointer user_data G_GNUC_UNUSED__attribute__ ((__unused__)))
31{
32 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
33 cairo_set_source_rgba (cr, 1., 1., 1., .5);
34 cairo_fill (cr);
35
36 return FALSE(0);
37}
38
39static void
40window_composited_changed (CtkWidget *widget,
41 gpointer user_data G_GNUC_UNUSED__attribute__ ((__unused__)))
42{
43 CdkScreen *screen;
44 gboolean composited;
45
46 screen = cdk_screen_get_default ();
47 composited = cdk_screen_is_composited (screen);
48
49 ctk_widget_set_app_paintable (widget, composited);
50}
51
52int
53main (int argc, char **argv)
54{
55 GOptionContext *ctxt;
56 VnckScreen *screen;
57 CtkWidget *win;
58 CtkWidget *frame;
59 CtkWidget *tasklist;
60
61 ctxt = g_option_context_new ("");
62 g_option_context_add_main_entries (ctxt, entries, NULL((void*)0));
63 g_option_context_add_group (ctxt, ctk_get_option_group (TRUE(!(0))));
64 g_option_context_parse (ctxt, &argc, &argv, NULL((void*)0));
65 g_option_context_free (ctxt);
66 ctxt = NULL((void*)0);
67
68 ctk_init (&argc, &argv);
69
70 if (rtl)
71 ctk_widget_set_default_direction (CTK_TEXT_DIR_RTL);
72
73 vnck_set_default_mini_icon_size (icon_size);
74 screen = vnck_screen_get_default ();
75
76 /* because the pager doesn't respond to signals at the moment */
77 vnck_screen_force_update (screen);
78
79 win = ctk_window_new (CTK_WINDOW_TOPLEVEL);
80 ctk_window_set_default_size (CTK_WINDOW (win)((((CtkWindow*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_window_get_type ())))))), 200, 100);
81 ctk_window_stick (CTK_WINDOW (win)((((CtkWindow*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_window_get_type ())))))));
82 /* vnck_ctk_window_set_dock_type (CTK_WINDOW (win)); */
83
84 ctk_window_set_title (CTK_WINDOW (win)((((CtkWindow*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_window_get_type ())))))), "Task List");
85 ctk_window_set_resizable (CTK_WINDOW (win)((((CtkWindow*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_window_get_type ())))))), TRUE(!(0)));
86
87 /* quit on window close */
88 g_signal_connect (G_OBJECT (win), "destroy",g_signal_connect_data ((((((GObject*) (void *) g_type_check_instance_cast
((GTypeInstance*) ((win)), (((GType) ((20) << (2))))))
))), ("destroy"), (((GCallback) (ctk_main_quit))), (((void*)0
)), ((void*)0), (GConnectFlags) 0)
89 G_CALLBACK (ctk_main_quit),g_signal_connect_data ((((((GObject*) (void *) g_type_check_instance_cast
((GTypeInstance*) ((win)), (((GType) ((20) << (2))))))
))), ("destroy"), (((GCallback) (ctk_main_quit))), (((void*)0
)), ((void*)0), (GConnectFlags) 0)
90 NULL)g_signal_connect_data ((((((GObject*) (void *) g_type_check_instance_cast
((GTypeInstance*) ((win)), (((GType) ((20) << (2))))))
))), ("destroy"), (((GCallback) (ctk_main_quit))), (((void*)0
)), ((void*)0), (GConnectFlags) 0);
91
92 tasklist = vnck_tasklist_new ();
93
94 vnck_tasklist_set_include_all_workspaces (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))), display_all);
95 if (always_group)
96 vnck_tasklist_set_grouping (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))),
97 VNCK_TASKLIST_ALWAYS_GROUP);
98 else if (never_group)
99 vnck_tasklist_set_grouping (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))),
100 VNCK_TASKLIST_NEVER_GROUP);
101 else
102 vnck_tasklist_set_grouping (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))),
103 VNCK_TASKLIST_AUTO_GROUP);
104
105 vnck_tasklist_set_scroll_enabled (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))), enable_scroll);
106
107 vnck_tasklist_set_middle_click_close (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))), TRUE(!(0)));
108
109 vnck_tasklist_set_orientation (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))),
110 (vertical ? CTK_ORIENTATION_VERTICAL :
This statement is never executed
111 CTK_ORIENTATION_HORIZONTAL));
112
113 if (transparent)
114 {
115 CdkVisual *visual;
116
117 visual = cdk_screen_get_rgba_visual (ctk_widget_get_screen (win));
118
119 if (visual != NULL((void*)0))
120 {
121 ctk_widget_set_visual (win, visual);
122
123 g_signal_connect (win, "composited-changed",g_signal_connect_data ((win), ("composited-changed"), (((GCallback
) (window_composited_changed))), (((void*)0)), ((void*)0), (GConnectFlags
) 0)
124 G_CALLBACK (window_composited_changed),g_signal_connect_data ((win), ("composited-changed"), (((GCallback
) (window_composited_changed))), (((void*)0)), ((void*)0), (GConnectFlags
) 0)
125 NULL)g_signal_connect_data ((win), ("composited-changed"), (((GCallback
) (window_composited_changed))), (((void*)0)), ((void*)0), (GConnectFlags
) 0);
126
127 /* draw even if we are not app-painted.
128 * this just makes my life a lot easier :)
129 */
130 g_signal_connect (win, "draw",g_signal_connect_data ((win), ("draw"), (((GCallback) (window_draw
))), (((void*)0)), ((void*)0), (GConnectFlags) 0)
131 G_CALLBACK (window_draw),g_signal_connect_data ((win), ("draw"), (((GCallback) (window_draw
))), (((void*)0)), ((void*)0), (GConnectFlags) 0)
132 NULL)g_signal_connect_data ((win), ("draw"), (((GCallback) (window_draw
))), (((void*)0)), ((void*)0), (GConnectFlags) 0);
133
134 window_composited_changed (win, NULL((void*)0));
135 }
136
137 vnck_tasklist_set_button_relief (VNCK_TASKLIST (tasklist)((((VnckTasklist*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((tasklist)), ((vnck_tasklist_get_type ())))))),
138 CTK_RELIEF_NONE);
139 }
140
141 frame = ctk_frame_new (NULL((void*)0));
142 ctk_frame_set_shadow_type (CTK_FRAME (frame)((((CtkFrame*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((frame)), ((ctk_frame_get_type ())))))), CTK_SHADOW_IN);
143 ctk_container_add (CTK_CONTAINER (win)((((CtkContainer*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_container_get_type ())))))), frame);
144
145 ctk_container_add (CTK_CONTAINER (frame)((((CtkContainer*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((frame)), ((ctk_container_get_type ())))))), tasklist);
146
147 ctk_widget_show (tasklist);
148 ctk_widget_show (frame);
149
150 ctk_window_move (CTK_WINDOW (win)((((CtkWindow*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_window_get_type ())))))), 0, 0);
151
152 if (skip_tasklist)
153 {
154 ctk_window_set_skip_taskbar_hint (CTK_WINDOW (win)((((CtkWindow*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_window_get_type ())))))), TRUE(!(0)));
155 ctk_window_set_keep_above (CTK_WINDOW (win)((((CtkWindow*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((win)), ((ctk_window_get_type ())))))), TRUE(!(0)));
156 }
157
158 ctk_widget_show (win);
159
160 ctk_main ();
161
162 return 0;
163}