Bug Summary

File:backend/djvu/djvu-links.c
Warning:line 329, column 2
Value stored to 'iter' is never read

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 djvu-links.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/backend/djvu -resource-dir /usr/lib/llvm-16/lib/clang/16 -D HAVE_CONFIG_H -I . -I ../.. -I ../.. -I ../../libdocument -D CAFEICONDIR="/usr//pixmaps" -D CAFELOCALEDIR="/usr/share/locale" -D LECTOR_COMPILATION -I /usr/include/cairo -I /usr/include/libpng16 -I /usr/include/freetype2 -I /usr/include/pixman-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/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 -D CDK_MULTIHEAD_SAFE -D CTK_MULTIHEAD_SAFE -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/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/backend/djvu -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/2024-02-21-192604-54188-1 -x c djvu-links.c
1/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2/*
3 * Implements hyperlink functionality for Djvu files.
4 * Copyright (C) 2006 Pauli Virtanen <pav@iki.fi>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
9 * any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20
21#include <config.h>
22#include <string.h>
23#include <glib.h>
24#include <libdjvu/miniexp.h>
25#include "djvu-document.h"
26#include "djvu-links.h"
27#include "djvu-document-private.h"
28#include "ev-document-links.h"
29#include "ev-mapping-list.h"
30
31static gboolean number_from_miniexp(miniexp_t sexp, int *number)
32{
33 if (miniexp_numberp (sexp)) {
34 *number = miniexp_to_int (sexp);
35 return TRUE(!(0));
36 } else {
37 return FALSE(0);
38 }
39}
40
41static gboolean string_from_miniexp(miniexp_t sexp, const char **str)
42{
43 if (miniexp_stringp (sexp)) {
44 *str = miniexp_to_str (sexp);
45 return TRUE(!(0));
46 } else {
47 return FALSE(0);
48 }
49}
50
51static gboolean number_from_string_10(const gchar *str, guint64 *number)
52{
53 gchar *end_ptr;
54
55 *number = g_ascii_strtoull(str, &end_ptr, 10);
56 if (*end_ptr == '\0') {
57 return TRUE(!(0));
58 } else {
59 return FALSE(0);
60 }
61}
62
63static guint64
64get_djvu_link_page (const DjvuDocument *djvu_document, const gchar *link_name, int base_page)
65{
66 guint64 page_num = 0;
67
68 /* #pagenum, #+pageoffset, #-pageoffset */
69 if (g_str_has_prefix (link_name, "#")(__builtin_constant_p ("#")? __extension__ ({ const char * const
__str = (link_name); const char * const __prefix = ("#"); 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) (link_name, "#") )) {
70 if (base_page > 0 && g_str_has_prefix (link_name+1, "+")(__builtin_constant_p ("+")? __extension__ ({ const char * const
__str = (link_name+1); const char * const __prefix = ("+"); 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) (link_name+1, "+") )) {
71 if (number_from_string_10 (link_name + 2, &page_num)) {
72 return base_page + page_num;
73 }
74 } else if (base_page > 0 && g_str_has_prefix (link_name+1, "-")(__builtin_constant_p ("-")? __extension__ ({ const char * const
__str = (link_name+1); const char * const __prefix = ("-"); 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) (link_name+1, "-") )) {
75 if (number_from_string_10 (link_name + 2, &page_num)) {
76 return base_page - page_num;
77 }
78 } else {
79 if (number_from_string_10 (link_name + 1, &page_num)) {
80 return page_num - 1;
81 }
82 }
83 } else {
84 /* FIXME: component file identifiers */
85 }
86
87 return page_num;
88}
89
90static EvLinkDest *
91get_djvu_link_dest (const DjvuDocument *djvu_document, const gchar *link_name, int base_page)
92{
93 return ev_link_dest_new_page (get_djvu_link_page (djvu_document, link_name, base_page));
94}
95
96static EvLinkAction *
97get_djvu_link_action (const DjvuDocument *djvu_document, const gchar *link_name, int base_page)
98{
99 EvLinkDest *ev_dest = NULL((void*)0);
100 EvLinkAction *ev_action = NULL((void*)0);
101
102 ev_dest = get_djvu_link_dest (djvu_document, link_name, base_page);
103
104 if (ev_dest) {
105 ev_action = ev_link_action_new_dest (ev_dest);
106 } else if (strstr(link_name, "://") != NULL((void*)0)) {
107 /* It's probably an URI */
108 ev_action = ev_link_action_new_external_uri (link_name);
109 } else {
110 /* FIXME: component file identifiers */
111 }
112
113 return ev_action;
114}
115
116static gchar *
117str_to_utf8 (const gchar *text)
118{
119 static const gchar *encodings_to_try[2];
120 static gint n_encodings_to_try = 0;
121 gchar *utf8_text = NULL((void*)0);
122 gint i;
123
124 if (n_encodings_to_try == 0) {
125 const gchar *charset;
126 gboolean charset_is_utf8;
127
128 charset_is_utf8 = g_get_charset (&charset);
129 if (!charset_is_utf8) {
130 encodings_to_try[n_encodings_to_try++] = charset;
131 }
132
133 if (g_ascii_strcasecmp (charset, "ISO-8859-1") != 0) {
134 encodings_to_try[n_encodings_to_try++] = "ISO-8859-1";
135 }
136 }
137
138 for (i = 0; i < n_encodings_to_try; i++) {
139 utf8_text = g_convert (text, -1, "UTF-8",
140 encodings_to_try[i],
141 NULL((void*)0), NULL((void*)0), NULL((void*)0));
142 if (utf8_text)
143 break;
144 }
145
146 return utf8_text;
147}
148
149/**
150 * Builds the index CtkTreeModel from DjVu s-expr
151 *
152 * (bookmarks
153 * ("title1" "dest1"
154 * ("title12" "dest12"
155 * ... )
156 * ... )
157 * ("title2" "dest2"
158 * ... )
159 * ... )
160 */
161static void
162build_tree (const DjvuDocument *djvu_document,
163 CtkTreeModel *model,
164 CtkTreeIter *parent,
165 miniexp_t iter)
166{
167 const char *title, *link_dest;
168 char *title_markup;
169
170 EvLinkAction *ev_action = NULL((void*)0);
171 EvLink *ev_link = NULL((void*)0);
172 CtkTreeIter tree_iter;
173
174 if (miniexp_car (iter) == miniexp_symbol ("bookmarks")) {
175 /* The (bookmarks) cons */
176 iter = miniexp_cdr (iter);
177 } else if ( miniexp_length (iter) >= 2 ) {
178 gchar *utf8_title = NULL((void*)0);
179
180 /* An entry */
181 if (!string_from_miniexp (miniexp_car (iter), &title)) goto unknown_entry;
182 if (!string_from_miniexp (miniexp_cadr (iter), &link_dest)) goto unknown_entry;
183
184
185 if (!g_utf8_validate (title, -1, NULL((void*)0))) {
186 utf8_title = str_to_utf8 (title);
187 title_markup = g_markup_escape_text (utf8_title, -1);
188 } else {
189 title_markup = g_markup_escape_text (title, -1);
190 }
191
192 ev_action = get_djvu_link_action (djvu_document, link_dest, -1);
193
194 if (g_str_has_suffix (link_dest, ".djvu")(__builtin_constant_p (".djvu")? __extension__ ({ const char *
const __str = (link_dest); const char * const __suffix = (".djvu"
); gboolean __result = (0); if (__str == ((void*)0) || __suffix
== ((void*)0)) __result = (g_str_has_suffix) (__str, __suffix
); else { const size_t __str_len = strlen (((__str) + !(__str
))); const size_t __suffix_len = strlen (((__suffix) + !(__suffix
))); if (__str_len >= __suffix_len) __result = memcmp (__str
+ __str_len - __suffix_len, ((__suffix) + !(__suffix)), __suffix_len
) == 0; } __result; }) : (g_str_has_suffix) (link_dest, ".djvu"
) )) {
195 /* FIXME: component file identifiers */
196 } else if (ev_action) {
197 ev_link = ev_link_new (utf8_title ? utf8_title : title, ev_action);
198 ctk_tree_store_append (CTK_TREE_STORE (model)((((CtkTreeStore*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((model)), ((ctk_tree_store_get_type ())))))), &tree_iter, parent);
199 ctk_tree_store_set (CTK_TREE_STORE (model)((((CtkTreeStore*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((model)), ((ctk_tree_store_get_type ())))))), &tree_iter,
200 EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
201 EV_DOCUMENT_LINKS_COLUMN_LINK, ev_link,
202 EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE(0),
203 -1);
204 g_object_unref (ev_link);
205 } else {
206 ctk_tree_store_append (CTK_TREE_STORE (model)((((CtkTreeStore*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((model)), ((ctk_tree_store_get_type ())))))), &tree_iter, parent);
207 ctk_tree_store_set (CTK_TREE_STORE (model)((((CtkTreeStore*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((model)), ((ctk_tree_store_get_type ())))))), &tree_iter,
208 EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
209 EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE(0),
210 -1);
211 }
212
213 g_free (title_markup);
214 g_free (utf8_title);
215 iter = miniexp_cddr (iter);
216 parent = &tree_iter;
217 } else {
218 goto unknown_entry;
219 }
220
221 for (; iter != miniexp_nil((miniexp_t)(size_t)0); iter = miniexp_cdr (iter)) {
222 build_tree (djvu_document, model, parent, miniexp_car (iter));
223 }
224 return;
225
226 unknown_entry:
227 g_warning ("DjvuLibre error: Unknown entry in bookmarks");
228 return;
229}
230
231static gboolean
232get_djvu_hyperlink_area (ddjvu_pageinfo_t *page_info,
233 miniexp_t sexp,
234 EvMapping *ev_link_mapping)
235{
236 miniexp_t iter;
237
238 iter = sexp;
239
240 if ((miniexp_car (iter) == miniexp_symbol ("rect") || miniexp_car (iter) == miniexp_symbol ("oval"))
241 && miniexp_length (iter) == 5) {
242 /* FIXME: get bounding box for (oval) since Lector doesn't support shaped links */
243 int minx, miny, width, height;
244
245 iter = miniexp_cdr (iter);
246 if (!number_from_miniexp (miniexp_car (iter), &minx)) goto unknown_link;
247 iter = miniexp_cdr (iter);
248 if (!number_from_miniexp (miniexp_car (iter), &miny)) goto unknown_link;
249 iter = miniexp_cdr (iter);
250 if (!number_from_miniexp (miniexp_car (iter), &width)) goto unknown_link;
251 iter = miniexp_cdr (iter);
252 if (!number_from_miniexp (miniexp_car (iter), &height)) goto unknown_link;
253
254 ev_link_mapping->area.x1 = minx;
255 ev_link_mapping->area.x2 = (minx + width);
256 ev_link_mapping->area.y1 = (page_info->height - (miny + height));
257 ev_link_mapping->area.y2 = (page_info->height - miny);
258 } else if (miniexp_car (iter) == miniexp_symbol ("poly")
259 && miniexp_length (iter) >= 5 && miniexp_length (iter) % 2 == 1) {
260
261 /* FIXME: get bounding box since Lector doesn't support shaped links */
262 int minx = G_MAXINT2147483647, miny = G_MAXINT2147483647;
263 int maxx = G_MININT(-2147483647 -1), maxy = G_MININT(-2147483647 -1);
264
265 iter = miniexp_cdr(iter);
266 while (iter != miniexp_nil((miniexp_t)(size_t)0)) {
267 int x, y;
268
269 if (!number_from_miniexp (miniexp_car(iter), &x)) goto unknown_link;
270 iter = miniexp_cdr (iter);
271 if (!number_from_miniexp (miniexp_car(iter), &y)) goto unknown_link;
272 iter = miniexp_cdr (iter);
273
274 minx = MIN (minx, x)(((minx) < (x)) ? (minx) : (x));
275 miny = MIN (miny, y)(((miny) < (y)) ? (miny) : (y));
276 maxx = MAX (maxx, x)(((maxx) > (x)) ? (maxx) : (x));
277 maxy = MAX (maxy, y)(((maxy) > (y)) ? (maxy) : (y));
278 }
279
280 ev_link_mapping->area.x1 = minx;
281 ev_link_mapping->area.x2 = maxx;
282 ev_link_mapping->area.y1 = (page_info->height - maxy);
283 ev_link_mapping->area.y2 = (page_info->height - miny);
284 } else {
285 /* unknown */
286 goto unknown_link;
287 }
288
289 return TRUE(!(0));
290
291 unknown_link:
292 g_warning("DjvuLibre error: Unknown hyperlink area %s", miniexp_to_name(miniexp_car(sexp)));
293 return FALSE(0);
294}
295
296static EvMapping *
297get_djvu_hyperlink_mapping (DjvuDocument *djvu_document,
298 int page,
299 ddjvu_pageinfo_t *page_info,
300 miniexp_t sexp)
301{
302 EvMapping *ev_link_mapping = NULL((void*)0);
303 EvLinkAction *ev_action = NULL((void*)0);
304 miniexp_t iter;
305 const char *url, *url_target, *comment;
306
307 ev_link_mapping = g_new (EvMapping, 1)((EvMapping *) g_malloc_n ((1), sizeof (EvMapping)));
308
309 iter = sexp;
310
311 if (miniexp_car (iter) != miniexp_symbol ("maparea")) goto unknown_mapping;
312
313 iter = miniexp_cdr(iter);
314
315 if (miniexp_caar(iter) == miniexp_symbol("url")) {
316 if (!string_from_miniexp (miniexp_cadr (miniexp_car (iter)), &url)) goto unknown_mapping;
317 if (!string_from_miniexp (miniexp_caddr (miniexp_car (iter)), &url_target)) goto unknown_mapping;
318 } else {
319 if (!string_from_miniexp (miniexp_car(iter), &url)) goto unknown_mapping;
320 url_target = NULL((void*)0);
321 }
322
323 iter = miniexp_cdr (iter);
324 if (!string_from_miniexp (miniexp_car(iter), &comment)) goto unknown_mapping;
325
326 iter = miniexp_cdr (iter);
327 if (!get_djvu_hyperlink_area (page_info, miniexp_car(iter), ev_link_mapping)) goto unknown_mapping;
328
329 iter = miniexp_cdr (iter);
Value stored to 'iter' is never read
330 /* FIXME: DjVu hyperlink attributes are ignored */
331
332 ev_action = get_djvu_link_action (djvu_document, url, page);
333 if (!ev_action) goto unknown_mapping;
334
335 ev_link_mapping->data = ev_link_new (comment, ev_action);
336
337 return ev_link_mapping;
338
339 unknown_mapping:
340 if (ev_link_mapping) g_free(ev_link_mapping);
341 g_warning("DjvuLibre error: Unknown hyperlink %s", miniexp_to_name(miniexp_car(sexp)));
342 return NULL((void*)0);
343}
344
345
346gboolean
347djvu_links_has_document_links (EvDocumentLinks *document_links)
348{
349 DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links)((((DjvuDocument*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((document_links)), ((djvu_document_get_type ()))))));
350 miniexp_t outline;
351
352 while ((outline = ddjvu_document_get_outline (djvu_document->d_document)) == miniexp_dummy((miniexp_t)(size_t)2))
353 djvu_handle_events (djvu_document, TRUE(!(0)), NULL((void*)0));
354
355 if (outline) {
356 ddjvu_miniexp_release (djvu_document->d_document, outline);
357 return TRUE(!(0));
358 }
359
360 return FALSE(0);
361}
362
363EvMappingList *
364djvu_links_get_links (EvDocumentLinks *document_links,
365 gint page,
366 double scale_factor)
367{
368 DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links)((((DjvuDocument*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((document_links)), ((djvu_document_get_type ()))))));
369 GList *retval = NULL((void*)0);
370 miniexp_t page_annotations = miniexp_nil((miniexp_t)(size_t)0);
371 miniexp_t *hyperlinks = NULL((void*)0), *iter = NULL((void*)0);
372 EvMapping *ev_link_mapping;
373 ddjvu_pageinfo_t page_info;
374
375 while ((page_annotations = ddjvu_document_get_pageanno (djvu_document->d_document, page)) == miniexp_dummy((miniexp_t)(size_t)2))
376 djvu_handle_events (djvu_document, TRUE(!(0)), NULL((void*)0));
377
378 while (ddjvu_document_get_pageinfo (djvu_document->d_document, page, &page_info)ddjvu_document_get_pageinfo_imp(djvu_document->d_document,
page,&page_info,sizeof(ddjvu_pageinfo_t)) < DDJVU_JOB_OK)
379 djvu_handle_events(djvu_document, TRUE(!(0)), NULL((void*)0));
380
381 if (page_annotations) {
382 hyperlinks = ddjvu_anno_get_hyperlinks (page_annotations);
383 if (hyperlinks) {
384 for (iter = hyperlinks; *iter; ++iter) {
385 ev_link_mapping = get_djvu_hyperlink_mapping (djvu_document, page, &page_info, *iter);
386 if (ev_link_mapping) {
387 ev_link_mapping->area.x1 *= scale_factor;
388 ev_link_mapping->area.x2 *= scale_factor;
389 ev_link_mapping->area.y1 *= scale_factor;
390 ev_link_mapping->area.y2 *= scale_factor;
391 retval = g_list_prepend (retval, ev_link_mapping);
392 }
393 }
394 free (hyperlinks);
395 }
396 ddjvu_miniexp_release (djvu_document->d_document, page_annotations);
397 }
398
399 return ev_mapping_list_new (page, retval, (GDestroyNotify)g_object_unref);
400}
401
402EvLinkDest *
403djvu_links_find_link_dest (EvDocumentLinks *document_links,
404 const gchar *link_name)
405{
406 DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links)((((DjvuDocument*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((document_links)), ((djvu_document_get_type ()))))));
407 EvLinkDest *ev_dest = NULL((void*)0);
408
409 ev_dest = get_djvu_link_dest (djvu_document, link_name, -1);
410
411 if (!ev_dest) {
412 g_warning ("DjvuLibre error: unknown link destination %s", link_name);
413 }
414
415 return ev_dest;
416}
417
418gint
419djvu_links_find_link_page (EvDocumentLinks *document_links,
420 const gchar *link_name)
421{
422 DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links)((((DjvuDocument*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((document_links)), ((djvu_document_get_type ()))))));
423 gint page;
424
425 page = get_djvu_link_page (djvu_document, link_name, -1);
426
427 if (page == -1) {
428 g_warning ("DjvuLibre error: unknown link destination %s", link_name);
429 }
430
431 return page;
432}
433
434CtkTreeModel *
435djvu_links_get_links_model (EvDocumentLinks *document_links)
436{
437 DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links)((((DjvuDocument*) (void *) g_type_check_instance_cast ((GTypeInstance
*) ((document_links)), ((djvu_document_get_type ()))))));
438 CtkTreeModel *model = NULL((void*)0);
439 miniexp_t outline = miniexp_nil((miniexp_t)(size_t)0);
440
441 while ((outline = ddjvu_document_get_outline (djvu_document->d_document)) == miniexp_dummy((miniexp_t)(size_t)2))
442 djvu_handle_events (djvu_document, TRUE(!(0)), NULL((void*)0));
443
444 if (outline) {
445 model = (CtkTreeModel *) ctk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
446 G_TYPE_STRING((GType) ((16) << (2))),
447 G_TYPE_OBJECT((GType) ((20) << (2))),
448 G_TYPE_BOOLEAN((GType) ((5) << (2))),
449 G_TYPE_STRING((GType) ((16) << (2))));
450 build_tree (djvu_document, model, NULL((void*)0), outline);
451
452 ddjvu_miniexp_release (djvu_document->d_document, outline);
453 }
454
455 return model;
456}