Bug Summary

File:_build/../cdk-pixbuf/io-icns.c
Warning:line 219, column 8
Access of 'unsigned char' element in the heap area at index 5

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -O2 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name io-icns.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=none -relaxed-aliasing -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-21/lib/clang/21 -I cdk-pixbuf/libpixbufloader-icns.so.p -I cdk-pixbuf -I ../cdk-pixbuf -I . -I .. -I /usr/include/libpng16 -I /usr/include/x86_64-linux-gnu -I /usr/include/webp -I /usr/include/librsvg-2.0 -I /usr/include/gdk-pixbuf-2.0 -I /usr/include/glycin-2 -I /usr/include/cairo -I /usr/include/libxml2 -I /usr/include/pango-1.0 -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/fribidi -I /usr/include/pixman-1 -I /usr/include/harfbuzz -I /usr/include/freetype2 -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/sysprof-6 -D _FILE_OFFSET_BITS=64 -D _POSIX_C_SOURCE=200809L -D _DEFAULT_SOURCE -D _XOPEN_SOURCE=700 -D HAVE_CONFIG_H=1 -D G_LOG_STRUCTURED=1 -D G_LOG_DOMAIN="CdkPixbuf" -D CDK_PIXBUF_COMPILATION -D CDK_PIXBUF_PREFIX="/usr/local" -D CDK_PIXBUF_LOCALEDIR="/usr/local/share/locale" -D CDK_PIXBUF_LIBDIR="/usr/local/lib/x86_64-linux-gnu" -D CDK_PIXBUF_BINARY_VERSION="2.10.0" -D CDK_PIXBUF_ENABLE_BACKEND -D PIXBUF_LIBDIR="/usr/local/lib/x86_64-linux-gnu/cdk-pixbuf-2.0/2.10.0/loaders" -D BUILT_MODULES_DIR="/rootdir/_build/cdk-pixbuf" -internal-isystem /usr/lib/llvm-21/lib/clang/21/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/15/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wno-int-conversion -Wno-uninitialized -Wno-discarded-qualifiers -std=gnu99 -ferror-limit 19 -fvisibility=hidden -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -fcolor-diagnostics -vectorize-loops -vectorize-slp -analyzer-checker deadcode.DeadStores -analyzer-checker security.ArrayBound -analyzer-checker unix.cstring.NotNullTerminated -analyzer-checker alpha.deadcode.UnreachableCode -analyzer-checker alpha.core.CastToStruct -analyzer-checker alpha.security.ReturnPtrRange -analyzer-checker alpha.unix.SimpleStream -analyzer-checker alpha.unix.cstring.BufferOverlap -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/2026-06-02-072008-8532-1 -x c ../cdk-pixbuf/io-icns.c
1/* Mac OS X .icns icons loader
2 *
3 * Copyright (c) 2007 Lyonel Vincent <lyonel@ezix.org>
4 * Copyright (c) 2007 Bastien Nocera <hadess@hadess.net>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#ifndef _WIN32
21#define _GNU_SOURCE
22#endif
23#include "config.h"
24
25#include <stdlib.h>
26#include <string.h>
27#include <errno(*__errno_location ()).h>
28
29#include <glib-object.h>
30#include <glib/gi18n-lib.h>
31
32#include "cdk-pixbuf-core.h"
33#include "cdk-pixbuf-io.h"
34#include "cdk-pixbuf-loader.h"
35
36G_MODULE_EXPORT__attribute__((visibility("default"))) void fill_vtable (CdkPixbufModule * module);
37G_MODULE_EXPORT__attribute__((visibility("default"))) void fill_info (CdkPixbufFormat * info);
38
39#define IN /**/
40#define OUT /**/
41#define INOUT /**/
42
43struct IcnsBlockHeader
44{
45 char id[4];
46 guint32 size; /* caution: bigendian */
47};
48typedef struct IcnsBlockHeader IcnsBlockHeader;
49
50typedef struct
51{
52 CdkPixbufModuleSizeFunc size_func;
53 CdkPixbufModulePreparedFunc prepared_func;
54 CdkPixbufModuleUpdatedFunc updated_func;
55 gpointer user_data;
56
57 GByteArray *byte_array;
58 CdkPixbuf *pixbuf; /* Our "target" */
59} IcnsProgressiveState;
60
61/*
62 * load raw icon data from 'icns' resource
63 *
64 * returns TRUE when successful
65 */
66static gboolean
67load_resources (unsigned size, IN gpointer data, gsize datalen,
68 OUT guchar ** picture, OUT gsize * plen,
69 OUT guchar ** mask, OUT gsize * mlen)
70{
71 IcnsBlockHeader *header = NULL((void*)0);
72 const char *bytes = NULL((void*)0);
73 const char *current = NULL((void*)0);
74 guint32 blocklen = 0;
75 guint32 icnslen = 0;
76 gboolean needs_mask = TRUE(!(0));
77
78 if (datalen < 2 * sizeof (guint32))
79 return FALSE(0);
80 if (!data)
81 return FALSE(0);
82
83 *picture = *mask = NULL((void*)0);
84 *plen = *mlen = 0;
85
86 bytes = data;
87 header = (IcnsBlockHeader *) data;
88 if (memcmp (header->id, "icns", 4) != 0)
89 return FALSE(0);
90
91 icnslen = GUINT32_FROM_BE (header->size)((((__extension__ ({ guint32 __v, __x = ((guint32) (header->
size)); if (__builtin_constant_p (__x)) __v = ((guint32) ( ((
(guint32) (__x) & (guint32) 0x000000ffU) << 24) | (
((guint32) (__x) & (guint32) 0x0000ff00U) << 8) | (
((guint32) (__x) & (guint32) 0x00ff0000U) >> 8) | (
((guint32) (__x) & (guint32) 0xff000000U) >> 24)));
else __asm__ ("bswapl %0" : "=r" (__v) : "0" (__x)); __v; })
))));
92 if ((icnslen > datalen) || (icnslen < 2 * sizeof (guint32)))
93 return FALSE(0);
94
95 current = bytes + sizeof (IcnsBlockHeader);
96 while ((current - bytes < icnslen) && (icnslen - (current - bytes) >= sizeof (IcnsBlockHeader)))
97 {
98 header = (IcnsBlockHeader *) current;
99 blocklen = GUINT32_FROM_BE (header->size)((((__extension__ ({ guint32 __v, __x = ((guint32) (header->
size)); if (__builtin_constant_p (__x)) __v = ((guint32) ( ((
(guint32) (__x) & (guint32) 0x000000ffU) << 24) | (
((guint32) (__x) & (guint32) 0x0000ff00U) << 8) | (
((guint32) (__x) & (guint32) 0x00ff0000U) >> 8) | (
((guint32) (__x) & (guint32) 0xff000000U) >> 24)));
else __asm__ ("bswapl %0" : "=r" (__v) : "0" (__x)); __v; })
))));
100
101 /* Check that blocklen isn't garbage */
102 if (blocklen > icnslen - (current - bytes) ||
103 blocklen < sizeof (IcnsBlockHeader))
104 return FALSE(0);
105
106 switch (size)
107 {
108 case 256:
109 case 512:
110 if (memcmp (header->id, "ic08", 4) == 0 /* 256x256 icon */
111 || memcmp (header->id, "ic09", 4) == 0) /* 512x512 icon */
112 {
113 *picture = (gpointer) (current + sizeof (IcnsBlockHeader));
114 *plen = blocklen - sizeof (IcnsBlockHeader);
115 }
116 needs_mask = FALSE(0);
117 break;
118 case 128:
119 if (memcmp (header->id, "it32", 4) == 0) /* 128x128 icon */
120 {
121 *picture = (gpointer) (current + sizeof (IcnsBlockHeader));
122 *plen = blocklen - sizeof (IcnsBlockHeader);
123 if (memcmp (*picture, "\0\0\0\0", 4) == 0)
124 {
125 *picture += 4;
126 *plen -= 4;
127 }
128 }
129 if (memcmp (header->id, "t8mk", 4) == 0) /* 128x128 mask */
130 {
131 *mask = (gpointer) (current + sizeof (IcnsBlockHeader));
132 *mlen = blocklen - sizeof (IcnsBlockHeader);
133 }
134 break;
135 case 48:
136 if (memcmp (header->id, "ih32", 4) == 0) /* 48x48 icon */
137 {
138 *picture = (gpointer) (current + sizeof (IcnsBlockHeader));
139 *plen = blocklen - sizeof (IcnsBlockHeader);
140 }
141 if (memcmp (header->id, "h8mk", 4) == 0) /* 48x48 mask */
142 {
143 *mask = (gpointer) (current + sizeof (IcnsBlockHeader));
144 *mlen = blocklen - sizeof (IcnsBlockHeader);
145 }
146 break;
147 case 32:
148 if (memcmp (header->id, "il32", 4) == 0) /* 32x32 icon */
149 {
150 *picture = (gpointer) (current + sizeof (IcnsBlockHeader));
151 *plen = blocklen - sizeof (IcnsBlockHeader);
152 }
153 if (memcmp (header->id, "l8mk", 4) == 0) /* 32x32 mask */
154 {
155 *mask = (gpointer) (current + sizeof (IcnsBlockHeader));
156 *mlen = blocklen - sizeof (IcnsBlockHeader);
157 }
158 break;
159 case 16:
160 if (memcmp (header->id, "is32", 4) == 0) /* 16x16 icon */
161 {
162 *picture = (gpointer) (current + sizeof (IcnsBlockHeader));
163 *plen = blocklen - sizeof (IcnsBlockHeader);
164 }
165 if (memcmp (header->id, "s8mk", 4) == 0) /* 16x16 mask */
166 {
167 *mask = (gpointer) (current + sizeof (IcnsBlockHeader));
168 *mlen = blocklen - sizeof (IcnsBlockHeader);
169 }
170 break;
171 default:
172 return FALSE(0);
173 }
174
175 current += blocklen;
176 }
177
178 if (!*picture)
179 return FALSE(0);
180 if (needs_mask && !*mask)
181 return FALSE(0);
182 return TRUE(!(0));
183}
184
185/*
186 * uncompress RLE-encoded bytes into RGBA scratch zone:
187 * if firstbyte >= 0x80, it indicates the number of identical bytes + 125
188 * (repeated value is stored next: 1 byte)
189 * otherwise, it indicates the number of non-repeating bytes - 1
190 * (non-repeating values are stored next: n bytes)
191 */
192static gboolean
193uncompress (unsigned size, INOUT guchar ** source, OUT guchar * target, INOUT gsize * _remaining)
194{
195 guchar *data = *source;
196 gsize remaining;
197 gsize i = 0;
198
199 /* The first time we're called, set remaining */
200 if (*_remaining == 0) {
24
←
Taking true branch
→
40
←
Taking true branch
→
201 remaining = size * size;
202 } else {
203 remaining = *_remaining;
204 }
205
206 while (remaining > 0)
25
←
Assuming 'remaining' is > 0
→
26
←
Loop condition is true. Entering loop body
→
35
←
Assuming 'remaining' is <= 0
→
36
←
Loop condition is false. Execution continues on line 243
→
41
←
Loop condition is true. Entering loop body
→
48
←
Assuming 'remaining' is > 0
→
49
←
Loop condition is true. Entering loop body
→
207 {
208 guint8 count = 0;
209
210 if (data[0] & 0x80) /* repeating byte */
27
←
Assuming the condition is false
→
28
←
Taking false branch
→
42
←
Assuming the condition is true
→
43
←
Taking true branch
→
50
←
Assuming the condition is true
→
51
←
Taking true branch
→
211 {
212 count = data[0] - 125;
213
214 if (count > remaining)
44
←
Assuming 'count' is <= 'remaining'
→
45
←
Taking false branch
→
52
←
Assuming 'count' is <= 'remaining'
→
53
←
Taking false branch
→
215 return FALSE(0);
216
217 for (i = 0; i < count; i++)
46
←
Assuming 'i' is >= 'count'
→
47
←
Loop condition is false. Execution continues on line 223
→
54
←
Assuming 'i' is < 'count'
→
55
←
Loop condition is true. Entering loop body
→
56
←
Assuming 'i' is < 'count'
→
57
←
Loop condition is true. Entering loop body
→
218 {
219 *target = data[1];
58
←
Access of 'unsigned char' element in the heap area at index 5
220 target += 4;
221 }
222
223 data += 2;
224 }
225 else /* non-repeating bytes */
226 {
227 count = data[0] + 1;
228
229 if (count > remaining)
29
←
Assuming 'count' is <= 'remaining'
→
30
←
Taking false branch
→
230 return FALSE(0);
231
232 for (i = 0; i < count; i++)
31
←
Assuming 'i' is < 'count'
→
32
←
Loop condition is true. Entering loop body
→
33
←
Assuming 'i' is >= 'count'
→
34
←
Loop condition is false. Execution continues on line 237
→
233 {
234 *target = data[i + 1];
235 target += 4;
236 }
237 data += count + 1;
238 }
239
240 remaining -= count;
241 }
242
243 *source = data;
244 *_remaining = remaining;
245 return TRUE(!(0));
246}
247
248static CdkPixbuf *
249load_icon (unsigned size, IN gpointer data, gsize datalen)
250{
251 guchar *icon = NULL((void*)0);
252 guchar *mask = NULL((void*)0);
253 gsize isize = 0, msize = 0, i;
254 guchar *image = NULL((void*)0);
255
256 if (!load_resources (size, data, datalen, &icon, &isize, &mask, &msize))
9
←
Assuming the condition is false
→
10
←
Taking false branch
→
257 return NULL((void*)0);
258
259 /* 256x256 icons don't use RLE or uncompressed data,
260 * They're usually JPEG 2000 images */
261 if (size == 256)
11
←
Assuming 'size' is not equal to 256
→
12
←
Taking false branch
→
262 {
263 CdkPixbufLoader *loader;
264 CdkPixbuf *pixbuf;
265
266 loader = cdk_pixbuf_loader_new ();
267 if (!cdk_pixbuf_loader_write (loader, icon, isize, NULL((void*)0))
268 || !cdk_pixbuf_loader_close (loader, NULL((void*)0)))
269 {
270 g_object_unref (loader);
271 return NULL((void*)0);
272 }
273
274 pixbuf = cdk_pixbuf_loader_get_pixbuf (loader);
275 g_object_ref (pixbuf)((__typeof__ (pixbuf)) (g_object_ref) (pixbuf));
276 g_object_unref (loader);
277
278 return pixbuf;
279 }
280
281 g_assert (mask)do { if (__builtin_expect (__extension__ ({ int _g_boolean_var_15
= 0; if (mask) _g_boolean_var_15 = 1; _g_boolean_var_15; }),
1)) ; else g_assertion_message_expr ("CdkPixbuf", "../cdk-pixbuf/io-icns.c"
, 281, ((const char*) (__func__)), "mask"); } while (0);
13
←
Assuming 'mask' is non-null
→
14
←
Taking true branch
→
15
←
Taking true branch
→
16
←
Loop condition is false. Exiting loop
→
282
283 if (msize != size * size) /* wrong mask size */
17
←
Assuming the condition is false
→
18
←
Taking false branch
→
284 return NULL((void*)0);
285
286 image = (guchar *) g_try_malloc0 (size * size * 4); /* 4 bytes/pixel = RGBA */
287
288 if (!image)
19
←
Assuming 'image' is non-null
→
20
←
Taking false branch
→
289 return NULL((void*)0);
290
291 if (isize == size * size * 4) /* icon data is uncompressed */
21
←
Assuming the condition is false
→
22
←
Taking false branch
→
292 for (i = 0; i < size * size; i++) /* 4 bytes/pixel = ARGB (A: ignored) */
293 {
294 image[i * 4] = icon[4 * i + 1]; /* R */
295 image[i * 4 + 1] = icon[4 * i + 2]; /* G */
296 image[i * 4 + 2] = icon[4 * i + 3]; /* B */
297 }
298 else
299 {
300 guchar *data = icon;
301 gsize remaining = 0;
302
303 /* R */
304 if (!uncompress (size, &data, image, &remaining))
23
←
Calling 'uncompress'
→
37
←
Returning from 'uncompress'
→
38
←
Taking false branch
→
305 goto bail;
306 /* G */
307 if (!uncompress (size, &data, image + 1, &remaining))
39
←
Calling 'uncompress'
→
308 goto bail;
309 /* B */
310 if (!uncompress (size, &data, image + 2, &remaining))
311 goto bail;
312 }
313
314 for (i = 0; i < size * size; i++) /* copy mask to alpha channel */
315 image[i * 4 + 3] = mask[i];
316
317 return cdk_pixbuf_new_from_data ((guchar *) image, CDK_COLORSPACE_RGB, /* RGB image */
318 TRUE(!(0)), /* with alpha channel */
319 8, /* 8 bits per sample */
320 size, /* width */
321 size, /* height */
322 size * 4, /* no gap between rows */
323 (CdkPixbufDestroyNotify)g_free, /* free() function */
324 NULL((void*)0)); /* param to free() function */
325
326bail:
327 g_free (image);
328 return NULL((void*)0);
329}
330
331static int sizes[] = {
332 256, /* late-Tiger icons */
333 128, /* Standard OS X */
334 48, /* Not very common */
335 32, /* Standard Mac OS Classic (8 & 9) */
336 24, /* OS X toolbars */
337 16 /* used in Mac OS Classic and dialog boxes */
338};
339
340static CdkPixbuf *
341icns_image_load (FILE *f, GError ** error)
342{
343 GByteArray *data;
344 CdkPixbuf *pixbuf = NULL((void*)0);
345 guint i;
346
347 data = g_byte_array_new ();
348 while (!feof (f))
349 {
350 gint save_errno;
351 guchar buf[4096];
352 gsize bytes;
353
354 bytes = fread (buf, 1, sizeof (buf), f);
355 save_errno = errno(*__errno_location ());
356 data = g_byte_array_append (data, buf, bytes);
357
358 if (ferror (f))
359 {
360 g_set_error (error,
361 G_FILE_ERRORg_file_error_quark (),
362 g_file_error_from_errno (save_errno),
363 _("Error reading ICNS image: %s")((char *) g_dgettext ("cdk-pixbuf", "Error reading ICNS image: %s"
)),
364 g_strerror (save_errno));
365
366 g_byte_array_free (data, TRUE(!(0)));
367
368 return NULL((void*)0);
369 }
370 }
371
372 for (i = 0; i < G_N_ELEMENTS(sizes)(sizeof (sizes) / sizeof ((sizes)[0])) && !pixbuf; i++)
373 pixbuf = load_icon (sizes[i], data->data, data->len);
374
375 g_byte_array_free (data, TRUE(!(0)));
376
377 if (!pixbuf)
378 g_set_error_literal (error, CDK_PIXBUF_ERRORcdk_pixbuf_error_quark (),
379 CDK_PIXBUF_ERROR_CORRUPT_IMAGE,
380 _("Could not decode ICNS file")((char *) g_dgettext ("cdk-pixbuf", "Could not decode ICNS file"
)));
381
382 return pixbuf;
383}
384
385static void
386context_free (IcnsProgressiveState *context)
387{
388 g_byte_array_free (context->byte_array, TRUE(!(0)));
389 g_clear_object (&context->pixbuf)do { _Static_assert (sizeof *((&context->pixbuf)) == sizeof
(gpointer), "Expression evaluates to false"); __typeof__ (((
&context->pixbuf))) _pp = ((&context->pixbuf));
__typeof__ (*((&context->pixbuf))) _ptr = *_pp; *_pp =
((void*)0); if (_ptr) (g_object_unref) (_ptr); } while (0);
390 g_free (context);
391}
392
393static gpointer
394cdk_pixbuf__icns_image_begin_load (CdkPixbufModuleSizeFunc size_func,
395 CdkPixbufModulePreparedFunc prepared_func,
396 CdkPixbufModuleUpdatedFunc updated_func,
397 gpointer user_data,
398 GError **error)
399{
400 IcnsProgressiveState *context;
401
402 g_assert (size_func != NULL)do { if (__builtin_expect (__extension__ ({ int _g_boolean_var_16
= 0; if (size_func != ((void*)0)) _g_boolean_var_16 = 1; _g_boolean_var_16
; }), 1)) ; else g_assertion_message_expr ("CdkPixbuf", "../cdk-pixbuf/io-icns.c"
, 402, ((const char*) (__func__)), "size_func != NULL"); } while
(0);
403 g_assert (prepared_func != NULL)do { if (__builtin_expect (__extension__ ({ int _g_boolean_var_17
= 0; if (prepared_func != ((void*)0)) _g_boolean_var_17 = 1;
_g_boolean_var_17; }), 1)) ; else g_assertion_message_expr (
"CdkPixbuf", "../cdk-pixbuf/io-icns.c", 403, ((const char*) (
__func__)), "prepared_func != NULL"); } while (0);
404 g_assert (updated_func != NULL)do { if (__builtin_expect (__extension__ ({ int _g_boolean_var_18
= 0; if (updated_func != ((void*)0)) _g_boolean_var_18 = 1; _g_boolean_var_18
; }), 1)) ; else g_assertion_message_expr ("CdkPixbuf", "../cdk-pixbuf/io-icns.c"
, 404, ((const char*) (__func__)), "updated_func != NULL"); }
while (0);
405
406 context = g_new0 (IcnsProgressiveState, 1)(IcnsProgressiveState *) (__extension__ ({ gsize __n = (gsize
) (1); gsize __s = sizeof (IcnsProgressiveState); gpointer __p
; if (__s == 1) __p = g_malloc0 (__n); else if (__builtin_constant_p
(__n) && (__s == 0 || __n <= (9223372036854775807L
*2UL+1UL) / __s)) __p = g_malloc0 (__n * __s); else __p = g_malloc0_n
(__n, __s); __p; }));
407 context->size_func = size_func;
408 context->prepared_func = prepared_func;
409 context->updated_func = updated_func;
410 context->user_data = user_data;
411 context->byte_array = g_byte_array_new ();
412
413 return context;
414}
415
416static gboolean
417cdk_pixbuf__icns_image_stop_load (gpointer data,
418 GError **error)
419{
420 IcnsProgressiveState *context = data;
421
422 g_return_val_if_fail (context != NULL, TRUE)do { if ((__builtin_expect (__extension__ ({ int _g_boolean_var_19
= 0; if (context != ((void*)0)) _g_boolean_var_19 = 1; _g_boolean_var_19
; }), 1))) { } else { g_return_if_fail_warning ("CdkPixbuf", (
(const char*) (__func__)), "context != NULL"); return ((!(0))
); } } while (0);
423
424 context_free (context);
425 return TRUE(!(0));
426}
427
428static gboolean
429cdk_pixbuf__icns_image_load_increment (gpointer data,
430 const guchar *buf,
431 guint size,
432 GError **error)
433{
434 IcnsProgressiveState *context = data;
435 int i;
436 int filesize;
437 gint w, h;
438
439 context->byte_array = g_byte_array_append (context->byte_array, buf, size);
440
441 if (context->byte_array->len < 8)
1
Assuming field 'len' is >= 8
→
2
←
Taking false branch
→
442 return TRUE(!(0));
443
444 filesize = (context->byte_array->data[4] << 24) |
445 (context->byte_array->data[5] << 16) |
446 (context->byte_array->data[6] << 8) |
447 (context->byte_array->data[7]);
448
449 if (context->byte_array->len < filesize)
3
←
Assuming 'filesize' is <= field 'len'
→
4
←
Taking false branch
→
450 return TRUE(!(0));
451
452 for (i = 0; i < G_N_ELEMENTS(sizes)(sizeof (sizes) / sizeof ((sizes)[0])) && !context->pixbuf; i++)
5
←
Assuming field 'pixbuf' is null
→
6
←
Loop condition is true. Entering loop body
→
7
←
Loop condition is true. Entering loop body
→
453 context->pixbuf = load_icon (sizes[i],
8
←
Calling 'load_icon'
→
454 context->byte_array->data,
455 context->byte_array->len);
456
457 if (!context->pixbuf)
458 {
459 g_set_error_literal (error, CDK_PIXBUF_ERRORcdk_pixbuf_error_quark (),
460 CDK_PIXBUF_ERROR_CORRUPT_IMAGE,
461 _("Could not decode ICNS file")((char *) g_dgettext ("cdk-pixbuf", "Could not decode ICNS file"
)));
462 return FALSE(0);
463 }
464
465 w = cdk_pixbuf_get_width (context->pixbuf);
466 h = cdk_pixbuf_get_height (context->pixbuf);
467
468 (*context->size_func) (&w,
469 &h,
470 context->user_data);
471
472 (*context->prepared_func) (context->pixbuf,
473 NULL((void*)0),
474 context->user_data);
475
476 (*context->updated_func) (context->pixbuf,
477 0,
478 0,
479 cdk_pixbuf_get_width (context->pixbuf),
480 cdk_pixbuf_get_height (context->pixbuf),
481 context->user_data);
482
483 return TRUE(!(0));
484}
485
486#ifndef INCLUDE_icns
487#define MODULE_ENTRY(function)__attribute__((visibility("default"))) void function G_MODULE_EXPORT__attribute__((visibility("default"))) void function
488#else
489#define MODULE_ENTRY(function)__attribute__((visibility("default"))) void function void _cdk_pixbuf__icns_ ## function
490#endif
491
492MODULE_ENTRY (fill_vtable)__attribute__((visibility("default"))) void fill_vtable (CdkPixbufModule * module)
493{
494 module->load = icns_image_load;
495 module->begin_load = cdk_pixbuf__icns_image_begin_load;
496 module->stop_load = cdk_pixbuf__icns_image_stop_load;
497 module->load_increment = cdk_pixbuf__icns_image_load_increment;
498}
499
500MODULE_ENTRY (fill_info)__attribute__((visibility("default"))) void fill_info (CdkPixbufFormat * info)
501{
502 static const CdkPixbufModulePattern signature[] = {
503 {"icns", NULL((void*)0), 100}, /* file begins with 'icns' */
504 {NULL((void*)0), NULL((void*)0), 0}
505 };
506 static const gchar *mime_types[] = {
507 "image/x-icns",
508 NULL((void*)0)
509 };
510 static const gchar *extensions[] = {
511 "icns",
512 NULL((void*)0)
513 };
514
515 info->name = "icns";
516 info->signature = (CdkPixbufModulePattern *) signature;
517 info->description = NC_("image format", "MacOS X icon")("MacOS X icon");
518 info->mime_types = (gchar **) mime_types;
519 info->extensions = (gchar **) extensions;
520 info->flags = CDK_PIXBUF_FORMAT_THREADSAFE;
521 info->license = "GPL";
522 info->disabled = FALSE(0);
523}
524