Bug Summary

File:capplets/appearance/cafe-wp-item.c
Warning:line 60, column 7
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 cafe-wp-item.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 -fcoverage-compilation-dir=/rootdir/capplets/appearance -resource-dir /usr/lib/llvm-16/lib/clang/16 -D HAVE_CONFIG_H -I . -I ../.. -I /usr/include/croma-1 -I /usr/include/ctk-3.0 -I /usr/include/pango-1.0 -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/harfbuzz -I /usr/include/freetype2 -I /usr/include/libpng16 -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/fribidi -I /usr/include/cairo -I /usr/include/pixman-1 -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 ../../capplets/common -I /usr/include/ctk-3.0 -I /usr/include/pango-1.0 -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/harfbuzz -I /usr/include/freetype2 -I /usr/include/libpng16 -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/fribidi -I /usr/include/cairo -I /usr/include/pixman-1 -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/libxml2 -I /usr/include/cafe-desktop-2.0 -I /usr/include/startup-notification-1.0 -I /usr/include/dconf -I ../../ -D G_LOG_DOMAIN="appearance-properties" -I /usr/include/dbus-1.0 -I /usr/lib/x86_64-linux-gnu/dbus-1.0/include -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/polkit-1 -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/gio-unix-2.0 -I /usr/include/ctk-3.0 -I /usr/include/pango-1.0 -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/harfbuzz -I /usr/include/freetype2 -I /usr/include/libpng16 -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/fribidi -I /usr/include/cairo -I /usr/include/pixman-1 -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/libxml2 -I /usr/include/cafe-desktop-2.0 -I /usr/include/startup-notification-1.0 -I /usr/include/dconf -D CAFECC_DATA_DIR="/usr/share/cafe-control-center" -D CAFECC_PIXMAP_DIR="/usr/share/cafe-control-center/pixmaps" -D WALLPAPER_DATADIR="/usr/share/cafe-background-properties" -D BACKGROUND_DATADIR="/usr/share/backgrounds" -D CAFE_DESKTOP_USE_UNSTABLE_API -internal-isystem /usr/lib/llvm-16/lib/clang/16/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/13/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir=/rootdir/capplets/appearance -ferror-limit 19 -fgnuc-version=4.2.1 -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.core.SizeofPtr -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/2024-04-16-094050-112929-1 -x c cafe-wp-item.c
1/*
2 * Authors: Rodney Dawes <dobey@ximian.com>
3 *
4 * Copyright 2003-2006 Novell, Inc. (www.novell.com)
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of version 2 of the GNU General Public License
8 * as published by the Free Software Foundation
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Street #330, Boston, MA 02110-1301, USA.
18 *
19 */
20
21#include <config.h>
22
23#include <glib/gi18n.h>
24#include <gio/gio.h>
25#include <string.h>
26#include "appearance.h"
27#include "cafe-wp-item.h"
28
29const gchar *wp_item_option_to_string (CafeBGPlacement type)
30{
31 switch (type)
32 {
33 case CAFE_BG_PLACEMENT_CENTERED:
34 return "centered";
35 break;
36 case CAFE_BG_PLACEMENT_FILL_SCREEN:
37 return "stretched";
38 break;
39 case CAFE_BG_PLACEMENT_SCALED:
40 return "scaled";
41 break;
42 case CAFE_BG_PLACEMENT_ZOOMED:
43 return "zoom";
44 break;
45 case CAFE_BG_PLACEMENT_TILED:
46 return "wallpaper";
47 break;
48 case CAFE_BG_PLACEMENT_SPANNED:
49 return "spanned";
50 break;
51 }
52 return "";
53}
54
55const gchar *wp_item_shading_to_string (CafeBGColorType type)
56{
57 switch (type) {
58 case CAFE_BG_COLOR_SOLID:
59 return "solid";
60 break;
This statement is never executed
61 case CAFE_BG_COLOR_H_GRADIENT:
62 return "horizontal-gradient";
63 break;
64 case CAFE_BG_COLOR_V_GRADIENT:
65 return "vertical-gradient";
66 break;
67 }
68 return "";
69}
70
71CafeBGPlacement wp_item_string_to_option (const gchar *option)
72{
73 if (!g_strcmp0(option, "centered"))
74 return CAFE_BG_PLACEMENT_CENTERED;
75 else if (!g_strcmp0(option, "stretched"))
76 return CAFE_BG_PLACEMENT_FILL_SCREEN;
77 else if (!g_strcmp0(option, "scaled"))
78 return CAFE_BG_PLACEMENT_SCALED;
79 else if (!g_strcmp0(option, "zoom"))
80 return CAFE_BG_PLACEMENT_ZOOMED;
81 else if (!g_strcmp0(option, "wallpaper"))
82 return CAFE_BG_PLACEMENT_TILED;
83 else if (!g_strcmp0(option, "spanned"))
84 return CAFE_BG_PLACEMENT_SPANNED;
85 else
86 return CAFE_BG_PLACEMENT_SCALED;
87}
88
89CafeBGColorType wp_item_string_to_shading (const gchar *shade_type)
90{
91 if (!g_strcmp0(shade_type, "solid"))
92 return CAFE_BG_COLOR_SOLID;
93 else if (!g_strcmp0(shade_type, "horizontal-gradient"))
94 return CAFE_BG_COLOR_H_GRADIENT;
95 else if (!g_strcmp0(shade_type, "vertical-gradient"))
96 return CAFE_BG_COLOR_V_GRADIENT;
97 else
98 return CAFE_BG_COLOR_SOLID;
99}
100
101static void set_bg_properties (CafeWPItem *item)
102{
103 if (item->filename)
104 cafe_bg_set_filename (item->bg, item->filename);
105
106 cafe_bg_set_color (item->bg, item->shade_type, item->pcolor, item->scolor);
107 cafe_bg_set_placement (item->bg, item->options);
108}
109
110void cafe_wp_item_ensure_cafe_bg (CafeWPItem *item)
111{
112 if (!item->bg) {
113 item->bg = cafe_bg_new ();
114
115 set_bg_properties (item);
116 }
117}
118
119void cafe_wp_item_update (CafeWPItem *item) {
120 GSettings *settings;
121 CdkRGBA color1 = { 0, 0, 0, 1.0 }, color2 = { 0, 0, 0, 1.0 };
122 gchar *s;
123
124 settings = g_settings_new (WP_SCHEMA"org.cafe.background");
125
126 item->options = g_settings_get_enum (settings, WP_OPTIONS_KEY"picture-options");
127
128 item->shade_type = g_settings_get_enum (settings, WP_SHADING_KEY"color-shading-type");
129
130 s = g_settings_get_string (settings, WP_PCOLOR_KEY"primary-color");
131 if (s != NULL((void*)0)) {
132 cdk_rgba_parse (&color1, s);
133 g_free (s);
134 }
135
136 s = g_settings_get_string (settings, WP_SCOLOR_KEY"secondary-color");
137 if (s != NULL((void*)0)) {
138 cdk_rgba_parse (&color2, s);
139 g_free (s);
140 }
141
142 g_object_unref (settings);
143
144 if (item->pcolor != NULL((void*)0))
145 cdk_rgba_free (item->pcolor);
146
147 if (item->scolor != NULL((void*)0))
148 cdk_rgba_free (item->scolor);
149
150 item->pcolor = cdk_rgba_copy (&color1);
151 item->scolor = cdk_rgba_copy (&color2);
152}
153
154CafeWPItem * cafe_wp_item_new (const gchar * filename,
155 GHashTable * wallpapers,
156 CafeDesktopThumbnailFactory * thumbnails) {
157 CafeWPItem *item = g_new0 (CafeWPItem, 1)((CafeWPItem *) g_malloc0_n ((1), sizeof (CafeWPItem)));
158
159 item->filename = g_strdup (filename)g_strdup_inline (filename);
160 item->fileinfo = cafe_wp_info_new (filename, thumbnails);
161
162 if (item->fileinfo != NULL((void*)0) && item->fileinfo->mime_type != NULL((void*)0) &&
163 (g_str_has_prefix (item->fileinfo->mime_type, "image/")(__builtin_constant_p ("image/")? __extension__ ({ const char
* const __str = (item->fileinfo->mime_type); const char
* const __prefix = ("image/"); gboolean __result = (0); if (
__str == ((void*)0) || __prefix == ((void*)0)) __result = (g_str_has_prefix
) (__str, __prefix); else { const size_t __str_len = strlen (
((__str) + !(__str))); const size_t __prefix_len = strlen (((
__prefix) + !(__prefix))); if (__str_len >= __prefix_len) __result
= memcmp (((__str) + !(__str)), ((__prefix) + !(__prefix)), __prefix_len
) == 0; } __result; }) : (g_str_has_prefix) (item->fileinfo
->mime_type, "image/") )
||
164 strcmp (item->fileinfo->mime_type, "application/xml") == 0)) {
165
166 if (g_utf8_validate (item->fileinfo->name, -1, NULL((void*)0)))
167 item->name = g_strdup (item->fileinfo->name)g_strdup_inline (item->fileinfo->name);
168 else
169 item->name = g_filename_to_utf8 (item->fileinfo->name, -1, NULL((void*)0),
170 NULL((void*)0), NULL((void*)0));
171
172 cafe_wp_item_update (item);
173 cafe_wp_item_ensure_cafe_bg (item);
174 cafe_wp_item_update_description (item);
175
176 g_hash_table_insert (wallpapers, item->filename, item);
177 } else {
178 cafe_wp_item_free (item);
179 item = NULL((void*)0);
180 }
181
182 return item;
183}
184
185void cafe_wp_item_free (CafeWPItem * item) {
186 if (item == NULL((void*)0)) {
187 return;
188 }
189
190 g_free (item->name);
191 g_free (item->filename);
192 g_free (item->description);
193
194 if (item->pcolor != NULL((void*)0))
195 cdk_rgba_free (item->pcolor);
196
197 if (item->scolor != NULL((void*)0))
198 cdk_rgba_free (item->scolor);
199
200 cafe_wp_info_free (item->fileinfo);
201 if (item->bg)
202 g_object_unref (item->bg);
203
204 ctk_tree_row_reference_free (item->rowref);
205
206 g_free (item);
207}
208
209static GdkPixbuf *
210add_slideshow_frame (GdkPixbuf *pixbuf)
211{
212 GdkPixbuf *sheet, *sheet2;
213 GdkPixbuf *tmp;
214 gint w, h;
215
216 w = gdk_pixbuf_get_width (pixbuf);
217 h = gdk_pixbuf_get_height (pixbuf);
218
219 sheet = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE(0), 8, w, h);
220 gdk_pixbuf_fill (sheet, 0x00000000);
221 sheet2 = gdk_pixbuf_new_subpixbuf (sheet, 1, 1, w - 2, h - 2);
222 gdk_pixbuf_fill (sheet2, 0xffffffff);
223 g_object_unref (sheet2);
224
225 tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE(!(0)), 8, w + 6, h + 6);
226
227 gdk_pixbuf_fill (tmp, 0x00000000);
228 gdk_pixbuf_composite (sheet, tmp, 6, 6, w, h, 6.0, 6.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
229 gdk_pixbuf_composite (sheet, tmp, 3, 3, w, h, 3.0, 3.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
230 gdk_pixbuf_composite (pixbuf, tmp, 0, 0, w, h, 0.0, 0.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
231
232 g_object_unref (sheet);
233
234 return tmp;
235}
236
237GdkPixbuf * cafe_wp_item_get_frame_thumbnail (CafeWPItem * item,
238 CafeDesktopThumbnailFactory * thumbs,
239 int width,
240 int height,
241 gint frame) {
242 GdkPixbuf *pixbuf = NULL((void*)0);
243
244 set_bg_properties (item);
245
246 if (frame != -1)
247 pixbuf = cafe_bg_create_frame_thumbnail (item->bg, thumbs, cdk_screen_get_default (), width, height, frame);
248 else
249 pixbuf = cafe_bg_create_thumbnail (item->bg, thumbs, cdk_screen_get_default(), width, height);
250
251 if (pixbuf && cafe_bg_changes_with_time (item->bg))
252 {
253 GdkPixbuf *tmp;
254
255 tmp = add_slideshow_frame (pixbuf);
256 g_object_unref (pixbuf);
257 pixbuf = tmp;
258 }
259
260 cafe_bg_get_image_size (item->bg, thumbs, width, height, &item->width, &item->height);
261
262 return pixbuf;
263}
264
265
266GdkPixbuf * cafe_wp_item_get_thumbnail (CafeWPItem * item,
267 CafeDesktopThumbnailFactory * thumbs,
268 gint width,
269 gint height) {
270 return cafe_wp_item_get_frame_thumbnail (item, thumbs, width, height, -1);
271}
272
273void cafe_wp_item_update_description (CafeWPItem * item) {
274 g_free (item->description);
275
276 if (!strcmp (item->filename, "(none)")) {
277 item->description = g_strdup (item->name)g_strdup_inline (item->name);
278 } else {
279 const gchar *description;
280 gchar *size;
281 gchar *dirname = g_path_get_dirname (item->filename);
282 gchar *artist;
283
284 description = NULL((void*)0);
285 size = NULL((void*)0);
286
287 if (!item->artist || item->artist[0] == 0 || !g_strcmp0(item->artist, "(none)"))
288 artist = g_strdup (_("unknown"))g_strdup_inline (gettext ("unknown"));
289 else
290 artist = g_strdup (item->artist)g_strdup_inline (item->artist);
291
292 if (strcmp (item->fileinfo->mime_type, "application/xml") == 0)
293 {
294 if (cafe_bg_changes_with_time (item->bg))
295 description = _("Slide Show")gettext ("Slide Show");
296 else if (item->width > 0 && item->height > 0)
297 description = _("Image")gettext ("Image");
298 }
299 else
300 description = g_content_type_get_description (item->fileinfo->mime_type);
301
302 if (cafe_bg_has_multiple_sizes (item->bg))
303 size = g_strdup (_("multiple sizes"))g_strdup_inline (gettext ("multiple sizes"));
304 else if (item->width > 0 && item->height > 0) {
305 /* translators: x pixel(s) by y pixel(s) */
306 size = g_strdup_printf (_("%d %s by %d %s")gettext ("%d %s by %d %s"),
307 item->width,
308 ngettext ("pixel", "pixels", item->width),
309 item->height,
310 ngettext ("pixel", "pixels", item->height));
311 }
312
313 if (description && size) {
314 /* translators: <b>wallpaper name</b>
315 * mime type, size
316 * Folder: /path/to/file
317 * Artist: wallpaper author
318 */
319 item->description = g_markup_printf_escaped (_("<b>%s</b>\n"gettext ("<b>%s</b>\n" "%s, %s\n" "Folder: %s\n" "Artist: %s"
)
320 "%s, %s\n"gettext ("<b>%s</b>\n" "%s, %s\n" "Folder: %s\n" "Artist: %s"
)
321 "Folder: %s\n"gettext ("<b>%s</b>\n" "%s, %s\n" "Folder: %s\n" "Artist: %s"
)
322 "Artist: %s")gettext ("<b>%s</b>\n" "%s, %s\n" "Folder: %s\n" "Artist: %s"
)
,
323 item->name,
324 description,
325 size,
326 dirname,
327 artist);
328 } else {
329 /* translators: <b>wallpaper name</b>
330 * Image missing
331 * Folder: /path/to/file
332 * Artist: wallpaper author
333 */
334 item->description = g_markup_printf_escaped (_("<b>%s</b>\n"gettext ("<b>%s</b>\n" "%s\n" "Folder: %s\n" "Artist: %s"
)
335 "%s\n"gettext ("<b>%s</b>\n" "%s\n" "Folder: %s\n" "Artist: %s"
)
336 "Folder: %s\n"gettext ("<b>%s</b>\n" "%s\n" "Folder: %s\n" "Artist: %s"
)
337 "Artist: %s")gettext ("<b>%s</b>\n" "%s\n" "Folder: %s\n" "Artist: %s"
)
,
338 item->name,
339 _("Image missing")gettext ("Image missing"),
340 dirname,
341 artist);
342 }
343
344 g_free (size);
345 g_free (dirname);
346 g_free (artist);
347 }
348}