Bug Summary

File:ctk/ctkcsskeyframes.c
Warning:line 408, column 15
Out of bound memory access (access exceeds upper limit of memory block)

Annotated Source Code

Press '?' to see keyboard shortcuts

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 ctkcsskeyframes.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 -fhalf-no-semantic-interposition -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/ctk -resource-dir /usr/lib/llvm-16/lib/clang/16 -D HAVE_CONFIG_H -I . -I .. -D G_LOG_DOMAIN="Ctk" -D G_LOG_USE_STRUCTURED=1 -D CTK_VERSION="3.25.5" -D CTK_BINARY_VERSION="3.0.0" -D CTK_COMPILATION -D CTK_PRINT_BACKEND_ENABLE_UNSUPPORTED -D CTK_LIBDIR="/usr/lib" -D CTK_LOCALEDIR="/usr/share/locale" -D CTK_DATADIR="/usr/share" -D CTK_DATA_PREFIX="/usr" -D CTK_SYSCONFDIR="/usr/etc" -D CTK_HOST="x86_64-pc-linux-gnu" -D CTK_PRINT_BACKENDS="file,cups" -D X11_DATA_PREFIX="/usr" -D ISO_CODES_PREFIX="" -I .. -I ../ctk -I .. -I ../cdk -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/sysprof-6 -D G_ENABLE_DEBUG -D G_ENABLE_CONSISTENCY_CHECKS -D GLIB_MIN_REQUIRED_VERSION=GLIB_VERSION_2_66 -D GLIB_MAX_ALLOWED_VERSION=GLIB_VERSION_2_66 -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/sysprof-6 -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/atk-1.0 -I /usr/include/gdk-pixbuf-2.0 -I /usr/include/x86_64-linux-gnu -I /usr/include/webp -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/gio-unix-2.0 -I /usr/include/harfbuzz -I /usr/include/freetype2 -I /usr/include/libpng16 -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/pango-1.0 -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/fribidi -I /usr/include/cairo -I /usr/include/pixman-1 -D PIC -internal-isystem /usr/lib/llvm-16/lib/clang/16/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 -fdebug-compilation-dir=/rootdir/ctk -ferror-limit 19 -fvisibility=hidden -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/2024-09-19-171836-43636-1 -x c ctkcsskeyframes.c
1/* CTK - The GIMP Toolkit
2 * Copyright (C) 2011 Red Hat, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "config.h"
19
20#include "ctkcsskeyframesprivate.h"
21
22#include "ctkcssarrayvalueprivate.h"
23#include "ctkcssshorthandpropertyprivate.h"
24#include "ctkcssstylepropertyprivate.h"
25#include "ctkstylepropertyprivate.h"
26
27#include <stdlib.h>
28#include <string.h>
29
30struct _CtkCssKeyframes {
31 int ref_count; /* ref count */
32 int n_keyframes; /* number of keyframes (at least 2 for 0% and 100% */
33 double *keyframe_progress; /* ordered array of n_keyframes of [0..1] */
34 int n_properties; /* number of properties used by keyframes */
35 guint *property_ids; /* ordered array of n_properties property ids */
36 CtkCssValue **values; /* 2D array: n_keyframes * n_properties of (value or NULL) for all the keyframes */
37};
38
39#define KEYFRAMES_VALUE(keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]) ((keyframes)->values[(k) * (keyframes)->n_properties + (p)])
40
41CtkCssKeyframes *
42_ctk_css_keyframes_ref (CtkCssKeyframes *keyframes)
43{
44 g_return_val_if_fail (keyframes != NULL, NULL)do { if ((keyframes != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "keyframes != NULL"); return
(((void*)0)); } } while (0);
45
46 keyframes->ref_count++;
47
48 return keyframes;
49}
50
51void
52_ctk_css_keyframes_unref (CtkCssKeyframes *keyframes)
53{
54 guint k, p;
55
56 g_return_if_fail (keyframes != NULL)do { if ((keyframes != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "keyframes != NULL"); return
; } } while (0);
57
58 keyframes->ref_count--;
59 if (keyframes->ref_count > 0)
60 return;
61
62 g_free (keyframes->keyframe_progress);
63 g_free (keyframes->property_ids);
64
65 for (k = 0; k < keyframes->n_keyframes; k++)
66 {
67 for (p = 0; p < keyframes->n_properties; p++)
68 {
69 _ctk_css_value_unref (KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]));
70 KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]) = NULL((void*)0);
71 }
72 }
73 g_free (keyframes->values);
74
75 g_slice_free (CtkCssKeyframes, keyframes)do { if (1) g_slice_free1 (sizeof (CtkCssKeyframes), (keyframes
)); else (void) ((CtkCssKeyframes*) 0 == (keyframes)); } while
(0);
76}
77
78static guint
79ctk_css_keyframes_add_keyframe (CtkCssKeyframes *keyframes,
80 double progress)
81{
82 guint k, p;
83
84 for (k = 0; k < keyframes->n_keyframes; k++)
85 {
86 if (keyframes->keyframe_progress[k] == progress)
87 {
88 for (p = 0; p < keyframes->n_properties; p++)
89 {
90 if (KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]) == NULL((void*)0))
91 continue;
92
93 _ctk_css_value_unref (KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]));
94 KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]) = NULL((void*)0);
95
96 /* XXX: GC properties that are now unset
97 * in all keyframes? */
98 }
99 return k;
100 }
101 else if (keyframes->keyframe_progress[k] > progress)
102 break;
103 }
104
105 keyframes->n_keyframes++;
106 keyframes->keyframe_progress = g_realloc (keyframes->keyframe_progress, sizeof (double) * keyframes->n_keyframes);
107 memmove (keyframes->keyframe_progress + k + 1, keyframes->keyframe_progress + k, sizeof (double) * (keyframes->n_keyframes - k - 1));
108 keyframes->keyframe_progress[k] = progress;
109
110 if (keyframes->n_properties)
111 {
112 gsize size = sizeof (CtkCssValue *) * keyframes->n_properties;
113
114 keyframes->values = g_realloc (keyframes->values, sizeof (CtkCssValue *) * keyframes->n_keyframes * keyframes->n_properties);
115 memmove (&KEYFRAMES_VALUE (keyframes, k + 1, 0)((keyframes)->values[(k + 1) * (keyframes)->n_properties
+ (0)]), &KEYFRAMES_VALUE (keyframes, k, 0)((keyframes)->values[(k) * (keyframes)->n_properties + (
0)]), size * (keyframes->n_keyframes - k - 1));
116 memset (&KEYFRAMES_VALUE (keyframes, k, 0)((keyframes)->values[(k) * (keyframes)->n_properties + (
0)]), 0, size);
117 }
118
119 return k;
120}
121
122static guint
123ctk_css_keyframes_lookup_property (CtkCssKeyframes *keyframes,
124 guint property_id)
125{
126 guint p;
127
128 for (p = 0; p < keyframes->n_properties; p++)
129 {
130 if (keyframes->property_ids[p] == property_id)
131 return p;
132 else if (keyframes->property_ids[p] > property_id)
133 break;
134 }
135
136 keyframes->n_properties++;
137 keyframes->property_ids = g_realloc (keyframes->property_ids, sizeof (guint) * keyframes->n_properties);
138 memmove (keyframes->property_ids + p + 1, keyframes->property_ids + p, sizeof (guint) * (keyframes->n_properties - p - 1));
139 keyframes->property_ids[p] = property_id;
140
141 if (keyframes->n_properties > 1)
142 {
143 guint old_n_properties = keyframes->n_properties - 1;
144 int k;
145
146 keyframes->values = g_realloc (keyframes->values, sizeof (CtkCssValue *) * keyframes->n_keyframes * keyframes->n_properties);
147
148 if (p + 1 < keyframes->n_properties)
149 {
150 memmove (&KEYFRAMES_VALUE (keyframes, keyframes->n_keyframes - 1, p + 1)((keyframes)->values[(keyframes->n_keyframes - 1) * (keyframes
)->n_properties + (p + 1)]),
151 &keyframes->values[(keyframes->n_keyframes - 1) * old_n_properties + p],
152 sizeof (CtkCssValue *) * (keyframes->n_properties - p - 1));
153 }
154 KEYFRAMES_VALUE (keyframes, keyframes->n_keyframes - 1, p)((keyframes)->values[(keyframes->n_keyframes - 1) * (keyframes
)->n_properties + (p)]) = NULL((void*)0);
155
156 for (k = keyframes->n_keyframes - 2; k >= 0; k--)
157 {
158 memmove (&KEYFRAMES_VALUE (keyframes, k, p + 1)((keyframes)->values[(k) * (keyframes)->n_properties + (
p + 1)]),
159 &keyframes->values[k * old_n_properties + p],
160 sizeof (CtkCssValue *) * old_n_properties);
161 KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]) = NULL((void*)0);
162 }
163 }
164 else
165 {
166 keyframes->values = g_new0 (CtkCssValue *, keyframes->n_keyframes)((CtkCssValue * *) g_malloc0_n ((keyframes->n_keyframes), sizeof
(CtkCssValue *)));
167 }
168
169 return p;
170}
171
172static CtkCssKeyframes *
173ctk_css_keyframes_alloc (void)
174{
175 CtkCssKeyframes *keyframes;
176
177 keyframes = g_slice_new0 (CtkCssKeyframes)((CtkCssKeyframes*) g_slice_alloc0 (sizeof (CtkCssKeyframes))
);
178 keyframes->ref_count = 1;
179
180 return keyframes;
181}
182
183static CtkCssKeyframes *
184ctk_css_keyframes_new (void)
185{
186 CtkCssKeyframes *keyframes;
187
188 keyframes = ctk_css_keyframes_alloc ();
189
190 ctk_css_keyframes_add_keyframe (keyframes, 0);
191 ctk_css_keyframes_add_keyframe (keyframes, 1);
192
193 return keyframes;
194}
195
196static gboolean
197keyframes_set_value (CtkCssKeyframes *keyframes,
198 guint k,
199 CtkCssStyleProperty *property,
200 CtkCssValue *value)
201{
202 guint p;
203
204 if (!_ctk_css_style_property_is_animated (property))
205 return FALSE(0);
206
207 p = ctk_css_keyframes_lookup_property (keyframes, _ctk_css_style_property_get_id (property));
208
209 if (KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]))
210 _ctk_css_value_unref (KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]));
211
212 KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]) = _ctk_css_value_ref (value);
213
214 return TRUE(!(0));
215}
216
217static gboolean
218parse_declaration (CtkCssKeyframes *keyframes,
219 guint k,
220 CtkCssParser *parser)
221{
222 CtkStyleProperty *property;
223 CtkCssValue *value;
224 char *name;
225
226 while (_ctk_css_parser_try (parser, ";", TRUE(!(0))))
227 {
228 /* SKIP ALL THE THINGS! */
229 }
230
231 name = _ctk_css_parser_try_ident (parser, TRUE(!(0)));
232 if (name == NULL((void*)0))
233 {
234 _ctk_css_parser_error (parser, "No property name given");
235 return FALSE(0);
236 }
237
238 property = _ctk_style_property_lookup (name);
239 if (property == NULL((void*)0))
240 {
241 /* should be CTK_CSS_PROVIDER_ERROR_NAME */
242 _ctk_css_parser_error (parser, "No property named '%s'", name);
243 g_free (name);
244 return FALSE(0);
245 }
246
247 g_free (name);
248
249 if (!_ctk_css_parser_try (parser, ":", TRUE(!(0))))
250 {
251 _ctk_css_parser_error (parser, "Expected a ':'");
252 return FALSE(0);
253 }
254
255 value = _ctk_style_property_parse_value (property, parser);
256 if (value == NULL((void*)0))
257 return FALSE(0);
258
259 if (!_ctk_css_parser_try (parser, ";", TRUE(!(0))) &&
260 !_ctk_css_parser_begins_with (parser, '}'))
261 {
262 _ctk_css_parser_error (parser, "Junk at end of value");
263 _ctk_css_value_unref (value);
264 return FALSE(0);
265 }
266
267 if (CTK_IS_CSS_SHORTHAND_PROPERTY (property)(((__extension__ ({ GTypeInstance *__inst = (GTypeInstance*) (
property); GType __t = ((_ctk_css_shorthand_property_get_type
())); gboolean __r; if (!__inst) __r = (0); else if (__inst->
g_class && __inst->g_class->g_type == __t) __r =
(!(0)); else __r = g_type_check_instance_is_a (__inst, __t);
__r; })))))
268 {
269 CtkCssShorthandProperty *shorthand = CTK_CSS_SHORTHAND_PROPERTY (property)((((CtkCssShorthandProperty*) (void *) g_type_check_instance_cast
((GTypeInstance*) (property), ((_ctk_css_shorthand_property_get_type
()))))));
270 gboolean animatable = FALSE(0);
271 guint i;
272
273 for (i = 0; i < _ctk_css_shorthand_property_get_n_subproperties (shorthand); i++)
274 {
275 CtkCssStyleProperty *child = _ctk_css_shorthand_property_get_subproperty (shorthand, i);
276 CtkCssValue *sub = _ctk_css_array_value_get_nth (value, i);
277
278 animatable |= keyframes_set_value (keyframes, k, child, sub);
279 }
280
281 if (!animatable)
282 _ctk_css_parser_error (parser, "shorthand '%s' cannot be animated", _ctk_style_property_get_name (property));
283 }
284 else if (CTK_IS_CSS_STYLE_PROPERTY (property)(((__extension__ ({ GTypeInstance *__inst = (GTypeInstance*) (
property); GType __t = ((_ctk_css_style_property_get_type ())
); gboolean __r; if (!__inst) __r = (0); else if (__inst->
g_class && __inst->g_class->g_type == __t) __r =
(!(0)); else __r = g_type_check_instance_is_a (__inst, __t);
__r; })))))
285 {
286 if (!keyframes_set_value (keyframes, k, CTK_CSS_STYLE_PROPERTY (property)((((CtkCssStyleProperty*) (void *) g_type_check_instance_cast
((GTypeInstance*) (property), ((_ctk_css_style_property_get_type
())))))), value))
287 _ctk_css_parser_error (parser, "Cannot animate property '%s'", _ctk_style_property_get_name (property));
288 }
289 else
290 {
291 g_assert_not_reached ()do { g_assertion_message_expr ("Ctk", "ctkcsskeyframes.c", 291
, ((const char*) (__func__)), ((void*)0)); } while (0);
292 }
293
294 _ctk_css_value_unref (value);
295
296 return TRUE(!(0));
297}
298
299static gboolean
300parse_block (CtkCssKeyframes *keyframes,
301 guint k,
302 CtkCssParser *parser)
303{
304 if (!_ctk_css_parser_try (parser, "{", TRUE(!(0))))
305 {
306 _ctk_css_parser_error (parser, "Expected closing bracket after keyframes block");
307 return FALSE(0);
308 }
309
310 while (!_ctk_css_parser_try (parser, "}", TRUE(!(0))))
311 {
312 if (!parse_declaration (keyframes, k, parser))
313 _ctk_css_parser_resync (parser, TRUE(!(0)), '}');
314
315 if (_ctk_css_parser_is_eof (parser))
316 {
317 _ctk_css_parser_error (parser, "Expected closing '}' after keyframes block");
318 return FALSE(0);
319 }
320 }
321
322 return TRUE(!(0));
323}
324
325CtkCssKeyframes *
326_ctk_css_keyframes_parse (CtkCssParser *parser)
327{
328 CtkCssKeyframes *keyframes;
329 double progress;
330 guint k;
331
332 g_return_val_if_fail (parser != NULL, NULL)do { if ((parser != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "parser != NULL"); return
(((void*)0)); } } while (0);
333
334 keyframes = ctk_css_keyframes_new ();
335
336 while (!_ctk_css_parser_begins_with (parser, '}'))
337 {
338 if (_ctk_css_parser_try (parser, "from", TRUE(!(0))))
339 progress = 0;
340 else if (_ctk_css_parser_try (parser, "to", TRUE(!(0))))
341 progress = 1;
342 else if (_ctk_css_parser_try_double (parser, &progress) &&
343 _ctk_css_parser_try (parser, "%", TRUE(!(0))))
344 {
345 if (progress < 0 || progress > 100)
346 {
347 /* XXX: should we skip over the block here? */
348 _ctk_css_parser_error (parser, "percentages must be between 0%% and 100%%");
349 _ctk_css_keyframes_unref (keyframes);
350 return NULL((void*)0);
351 }
352 progress /= 100;
353 }
354 else
355 {
356 _ctk_css_parser_error (parser, "expected a percentage");
357 _ctk_css_keyframes_unref (keyframes);
358 return NULL((void*)0);
359 }
360
361 k = ctk_css_keyframes_add_keyframe (keyframes, progress);
362
363 if (!parse_block (keyframes, k, parser))
364 {
365 _ctk_css_keyframes_unref (keyframes);
366 return NULL((void*)0);
367 }
368 }
369
370 return keyframes;
371}
372
373static int
374compare_property_by_name (gconstpointer a,
375 gconstpointer b,
376 gpointer data)
377{
378 CtkCssKeyframes *keyframes = data;
379
380 return strcmp (_ctk_style_property_get_name (CTK_STYLE_PROPERTY (((((CtkStyleProperty*) (void *) g_type_check_instance_cast ((
GTypeInstance*) (_ctk_css_style_property_lookup_by_id (keyframes
->property_ids[*(const guint *) a])), ((_ctk_style_property_get_type
()))))))
381 _ctk_css_style_property_lookup_by_id (keyframes->property_ids[*(const guint *) a]))((((CtkStyleProperty*) (void *) g_type_check_instance_cast ((
GTypeInstance*) (_ctk_css_style_property_lookup_by_id (keyframes
->property_ids[*(const guint *) a])), ((_ctk_style_property_get_type
()))))))),
382 _ctk_style_property_get_name (CTK_STYLE_PROPERTY (((((CtkStyleProperty*) (void *) g_type_check_instance_cast ((
GTypeInstance*) (_ctk_css_style_property_lookup_by_id (keyframes
->property_ids[*(const guint *) b])), ((_ctk_style_property_get_type
()))))))
383 _ctk_css_style_property_lookup_by_id (keyframes->property_ids[*(const guint *) b]))((((CtkStyleProperty*) (void *) g_type_check_instance_cast ((
GTypeInstance*) (_ctk_css_style_property_lookup_by_id (keyframes
->property_ids[*(const guint *) b])), ((_ctk_style_property_get_type
()))))))));
384}
385
386void
387_ctk_css_keyframes_print (CtkCssKeyframes *keyframes,
388 GString *string)
389{
390 guint k, p;
391 guint *sorted;
392
393 g_return_if_fail (keyframes != NULL)do { if ((keyframes != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "keyframes != NULL"); return
; } } while (0);
1
Assuming 'keyframes' is not equal to null
→
2
←
Taking true branch
→
3
←
Loop condition is false. Exiting loop
→
394 g_return_if_fail (string != NULL)do { if ((string != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "string != NULL"); return
; } } while (0);
4
←
Assuming 'string' is not equal to null
→
5
←
Taking true branch
→
6
←
Loop condition is false. Exiting loop
→
395
396 sorted = g_new (guint, keyframes->n_properties)((guint *) g_malloc_n ((keyframes->n_properties), sizeof (
guint)));
397 for (p = 0; p
6.1
'p' is < field 'n_properties'
 < keyframes->n_properties; p++)
7
←
Loop condition is true. Entering loop body
→
8
←
Assuming 'p' is >= field 'n_properties'
→
9
←
Loop condition is false. Execution continues on line 399
→
398 sorted[p] = p;
399 g_qsort_with_data (sorted, keyframes->n_properties, sizeof (guint), compare_property_by_name, keyframes);
400
401 for (k = 0; k < keyframes->n_keyframes; k++)
10
←
Assuming 'k' is < field 'n_keyframes'
→
11
←
Loop condition is true. Entering loop body
→
402 {
403 /* useful for 0% and 100% which might be empty */
404 gboolean opened = FALSE(0);
405
406 for (p = 0; p < keyframes->n_properties; p++)
12
←
Assuming 'p' is < field 'n_properties'
→
13
←
Loop condition is true. Entering loop body
→
17
←
Assuming 'p' is < field 'n_properties'
→
18
←
Loop condition is true. Entering loop body
→
407 {
408 if (KEYFRAMES_VALUE (keyframes, k, sorted[p])((keyframes)->values[(k) * (keyframes)->n_properties + (
sorted[p])]) == NULL((void*)0))
14
←
Assuming the condition is true
→
15
←
Taking true branch
→
19
←
Out of bound memory access (access exceeds upper limit of memory block)
409 continue;
16
←
 Execution continues on line 406
→
410
411 if (!opened)
412 {
413 if (keyframes->keyframe_progress[k] == 0.0)
414 g_string_append (string, " from {\n")(__builtin_constant_p (" from {\n") ? __extension__ ({ const
char * const __val = (" from {\n"); g_string_append_len_inline
(string, __val, (__val != ((void*)0)) ? (gssize) strlen (((__val
) + !(__val))) : (gssize) -1); }) : g_string_append_len_inline
(string, " from {\n", (gssize) -1));
415 else if (keyframes->keyframe_progress[k] == 1.0)
416 g_string_append (string, " to {\n")(__builtin_constant_p (" to {\n") ? __extension__ ({ const char
* const __val = (" to {\n"); g_string_append_len_inline (string
, __val, (__val != ((void*)0)) ? (gssize) strlen (((__val) + !
(__val))) : (gssize) -1); }) : g_string_append_len_inline (string
, " to {\n", (gssize) -1));
417 else
418 g_string_append_printf (string, " %g%% {\n", keyframes->keyframe_progress[k] * 100);
419 opened = TRUE(!(0));
420 }
421
422 g_string_append_printf (string, " %s: ", _ctk_style_property_get_name (
423 CTK_STYLE_PROPERTY (((((CtkStyleProperty*) (void *) g_type_check_instance_cast ((
GTypeInstance*) (_ctk_css_style_property_lookup_by_id ( keyframes
->property_ids[sorted[p]])), ((_ctk_style_property_get_type
()))))))
424 _ctk_css_style_property_lookup_by_id (((((CtkStyleProperty*) (void *) g_type_check_instance_cast ((
GTypeInstance*) (_ctk_css_style_property_lookup_by_id ( keyframes
->property_ids[sorted[p]])), ((_ctk_style_property_get_type
()))))))
425 keyframes->property_ids[sorted[p]]))((((CtkStyleProperty*) (void *) g_type_check_instance_cast ((
GTypeInstance*) (_ctk_css_style_property_lookup_by_id ( keyframes
->property_ids[sorted[p]])), ((_ctk_style_property_get_type
()))))))));
426 _ctk_css_value_print (KEYFRAMES_VALUE (keyframes, k, sorted[p])((keyframes)->values[(k) * (keyframes)->n_properties + (
sorted[p])]), string);
427 g_string_append (string, ";\n")(__builtin_constant_p (";\n") ? __extension__ ({ const char *
const __val = (";\n"); g_string_append_len_inline (string, __val
, (__val != ((void*)0)) ? (gssize) strlen (((__val) + !(__val
))) : (gssize) -1); }) : g_string_append_len_inline (string, ";\n"
, (gssize) -1));
428 }
429
430 if (opened)
431 g_string_append (string, " }\n")(__builtin_constant_p (" }\n") ? __extension__ ({ const char
* const __val = (" }\n"); g_string_append_len_inline (string
, __val, (__val != ((void*)0)) ? (gssize) strlen (((__val) + !
(__val))) : (gssize) -1); }) : g_string_append_len_inline (string
, " }\n", (gssize) -1));
432 }
433
434 g_free (sorted);
435}
436
437CtkCssKeyframes *
438_ctk_css_keyframes_compute (CtkCssKeyframes *keyframes,
439 CtkStyleProviderPrivate *provider,
440 CtkCssStyle *style,
441 CtkCssStyle *parent_style)
442{
443 CtkCssKeyframes *resolved;
444 guint k, p;
445
446 g_return_val_if_fail (keyframes != NULL, NULL)do { if ((keyframes != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "keyframes != NULL"); return
(((void*)0)); } } while (0);
447 g_return_val_if_fail (CTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL)do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance
*) ((provider)); GType __t = ((_ctk_style_provider_private_get_type
())); gboolean __r; if (!__inst) __r = (0); else if (__inst->
g_class && __inst->g_class->g_type == __t) __r =
(!(0)); else __r = g_type_check_instance_is_a (__inst, __t);
__r; })))))) { } else { g_return_if_fail_warning ("Ctk", ((const
char*) (__func__)), "CTK_IS_STYLE_PROVIDER_PRIVATE (provider)"
); return (((void*)0)); } } while (0);
448 g_return_val_if_fail (CTK_IS_CSS_STYLE (style), NULL)do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance
*) (style); GType __t = ((ctk_css_style_get_type ())); gboolean
__r; if (!__inst) __r = (0); else if (__inst->g_class &&
__inst->g_class->g_type == __t) __r = (!(0)); else __r
= g_type_check_instance_is_a (__inst, __t); __r; })))))) { }
else { g_return_if_fail_warning ("Ctk", ((const char*) (__func__
)), "CTK_IS_CSS_STYLE (style)"); return (((void*)0)); } } while
(0);
449 g_return_val_if_fail (parent_style == NULL || CTK_IS_CSS_STYLE (parent_style), NULL)do { if ((parent_style == ((void*)0) || (((__extension__ ({ GTypeInstance
*__inst = (GTypeInstance*) (parent_style); GType __t = ((ctk_css_style_get_type
())); gboolean __r; if (!__inst) __r = (0); else if (__inst->
g_class && __inst->g_class->g_type == __t) __r =
(!(0)); else __r = g_type_check_instance_is_a (__inst, __t);
__r; })))))) { } else { g_return_if_fail_warning ("Ctk", ((const
char*) (__func__)), "parent_style == NULL || CTK_IS_CSS_STYLE (parent_style)"
); return (((void*)0)); } } while (0);
450
451 resolved = ctk_css_keyframes_alloc ();
452 resolved->n_keyframes = keyframes->n_keyframes;
453 resolved->keyframe_progress = g_memdup2 (keyframes->keyframe_progress, keyframes->n_keyframes * sizeof (double));
454 resolved->n_properties = keyframes->n_properties;
455 resolved->property_ids = g_memdup2 (keyframes->property_ids, keyframes->n_properties * sizeof (guint));
456 resolved->values = g_new0 (CtkCssValue *, resolved->n_keyframes * resolved->n_properties)((CtkCssValue * *) g_malloc0_n ((resolved->n_keyframes * resolved
->n_properties), sizeof (CtkCssValue *)));
457
458 for (p = 0; p < resolved->n_properties; p++)
459 {
460 for (k = 0; k < resolved->n_keyframes; k++)
461 {
462 if (KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]) == NULL((void*)0))
463 continue;
464
465 KEYFRAMES_VALUE (resolved, k, p)((resolved)->values[(k) * (resolved)->n_properties + (p
)]) = _ctk_css_value_compute (KEYFRAMES_VALUE (keyframes, k, p)((keyframes)->values[(k) * (keyframes)->n_properties + (
p)]),
466 resolved->property_ids[p],
467 provider,
468 style,
469 parent_style);
470 }
471 }
472
473 return resolved;
474}
475
476guint
477_ctk_css_keyframes_get_n_properties (CtkCssKeyframes *keyframes)
478{
479 g_return_val_if_fail (keyframes != NULL, 0)do { if ((keyframes != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "keyframes != NULL"); return
(0); } } while (0);
480
481 return keyframes->n_properties;
482}
483
484guint
485_ctk_css_keyframes_get_property_id (CtkCssKeyframes *keyframes,
486 guint id)
487{
488 g_return_val_if_fail (keyframes != NULL, 0)do { if ((keyframes != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "keyframes != NULL"); return
(0); } } while (0);
489 g_return_val_if_fail (id < keyframes->n_properties, 0)do { if ((id < keyframes->n_properties)) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "id < keyframes->n_properties"
); return (0); } } while (0);
490
491 return keyframes->property_ids[id];
492}
493
494CtkCssValue *
495_ctk_css_keyframes_get_value (CtkCssKeyframes *keyframes,
496 guint id,
497 double progress,
498 CtkCssValue *default_value)
499{
500 CtkCssValue *start_value, *end_value, *result;
501 double start_progress, end_progress;
502 guint k;
503
504 g_return_val_if_fail (keyframes != NULL, 0)do { if ((keyframes != ((void*)0))) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "keyframes != NULL"); return
(0); } } while (0);
505 g_return_val_if_fail (id < keyframes->n_properties, 0)do { if ((id < keyframes->n_properties)) { } else { g_return_if_fail_warning
("Ctk", ((const char*) (__func__)), "id < keyframes->n_properties"
); return (0); } } while (0);
506
507 start_value = default_value;
508 start_progress = 0.0;
509 end_value = default_value;
510 end_progress = 1.0;
511
512 for (k = 0; k < keyframes->n_keyframes; k++)
513 {
514 if (KEYFRAMES_VALUE (keyframes, k, id)((keyframes)->values[(k) * (keyframes)->n_properties + (
id)]) == NULL((void*)0))
515 continue;
516
517 if (keyframes->keyframe_progress[k] == progress)
518 {
519 return _ctk_css_value_ref (KEYFRAMES_VALUE (keyframes, k, id)((keyframes)->values[(k) * (keyframes)->n_properties + (
id)]));
520 }
521 else if (keyframes->keyframe_progress[k] < progress)
522 {
523 start_value = KEYFRAMES_VALUE (keyframes, k, id)((keyframes)->values[(k) * (keyframes)->n_properties + (
id)]);
524 start_progress = keyframes->keyframe_progress[k];
525 }
526 else
527 {
528 end_value = KEYFRAMES_VALUE (keyframes, k, id)((keyframes)->values[(k) * (keyframes)->n_properties + (
id)]);
529 end_progress = keyframes->keyframe_progress[k];
530 break;
531 }
532 }
533
534 progress = (progress - start_progress) / (end_progress - start_progress);
535
536 result = _ctk_css_value_transition (start_value,
537 end_value,
538 keyframes->property_ids[id],
539 progress);
540
541 /* XXX: Dear spec, what's the correct thing to do here? */
542 if (result == NULL((void*)0))
543 return _ctk_css_value_ref (start_value);
544
545 return result;
546}
547