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Nikita Churaev
gtk
Commits
49b3e05a
Commit
49b3e05a
authored
Sep 14, 2001
by
Matthias Clasen
Browse files
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Plain Diff
Robustness fixes and test images for the jpeg, tiff, pnm, gif, xpm and tga
loaders.
parent
a5f97543
Changes
10
Expand all
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Showing
10 changed files
with
5402 additions
and
100 deletions
+5402
-100
gdk-pixbuf/ChangeLog
gdk-pixbuf/ChangeLog
+31
-0
gdk-pixbuf/gdk-pixbuf-io.c
gdk-pixbuf/gdk-pixbuf-io.c
+2
-2
gdk-pixbuf/io-gif.c
gdk-pixbuf/io-gif.c
+10
-2
gdk-pixbuf/io-jpeg.c
gdk-pixbuf/io-jpeg.c
+10
-1
gdk-pixbuf/io-pnm.c
gdk-pixbuf/io-pnm.c
+112
-36
gdk-pixbuf/io-tga.c
gdk-pixbuf/io-tga.c
+13
-1
gdk-pixbuf/io-tiff.c
gdk-pixbuf/io-tiff.c
+17
-13
gdk-pixbuf/io-xpm.c
gdk-pixbuf/io-xpm.c
+32
-14
gdk-pixbuf/test-images.h
gdk-pixbuf/test-images.h
+5128
-0
gdk-pixbuf/test-loaders.c
gdk-pixbuf/test-loaders.c
+47
-31
No files found.
gdk-pixbuf/ChangeLog
View file @
49b3e05a
Fri
Sep
14
22
:
53
:
45
2001
Matthias
Clasen
<
matthiasc
@
poet
.
de
>
*
io
-
jpeg
.
c
(
gdk_pixbuf__jpeg_image_begin_load
):
Handle
out
-
of
-
memory
situation
better
.
*
io
-
pnm
.
c
:
Robustness
fixes
for
pnm
loader
*
io
-
gif
.
c
:
Make
gif
loader
survive
TEST_RANDOMLY_MODIFY
*
io
-
xpm
.
c
(
parse_color
):
detect
very
long
color
strings
All
of
the
above
from
Matthias
Clasen
<
matthiasc
@
poet
.
de
>,
the
remaining
from
Soeren
Sandmann
<
sandmann
@
daimi
.
au
.
dk
>.
*
test
-
images
.
h
:
add
tests
:
-
four
valid
ppm
's, eight invalid (matthiasc@poet.de)
- one invalid xpm (matthiasc@poet.de)
- one valid tga, one invalid (sandmann@daimi.au.dk)
- one invalid tiff (sandmann@daimi.au.dk
* test-loaders.c: enable tests for ppm, png, gif, tga, tiff, xpm
* io-tiff.c (gdk_pixbuf__tiff_image_stop_load): TIFFClientOpen can
fail - detect it when it happens
* io-tga.c (gdk_pixbuf__tga_load_increment): Fail if there is too
much data in file
* gdk-pixbuf-io.c: moved wbmb check after ico check to avoid false
positives
Fri Sep 14 00:30:48 2001 Tim Janik <timj@gtk.org>
* Makefile.am: don'
t
used
BUILT_SOURCES
to
build
marshal
...
...
gdk-pixbuf/gdk-pixbuf-io.c
View file @
49b3e05a
...
...
@@ -228,12 +228,12 @@ static GdkPixbufModule file_formats [] = {
{
"pnm"
,
pixbuf_check_pnm
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
"ras"
,
pixbuf_check_sunras
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
"bmp"
,
pixbuf_check_bmp
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
"wbmp"
,
pixbuf_check_wbmp
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
"xbm"
,
pixbuf_check_xbm
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
"tga"
,
pixbuf_check_tga
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
/* Moved at the bottom, because it causes false positives against many
of my TGA files. */
{
"ico"
,
pixbuf_check_ico
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
"ico"
,
pixbuf_check_ico
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
"wbmp"
,
pixbuf_check_wbmp
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
},
{
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
,
NULL
}
};
...
...
gdk-pixbuf/io-gif.c
View file @
49b3e05a
...
...
@@ -613,6 +613,14 @@ lzw_read_byte (GifContext *context)
}
while
(
code
>=
context
->
lzw_clear_code
)
{
if
((
code
>=
(
1
<<
MAX_LZW_BITS
))
||
(
context
->
lzw_sp
>=
context
->
lzw_stack
+
((
1
<<
(
MAX_LZW_BITS
))
*
2
+
1
)))
{
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Bad code encountered"
));
return
-
2
;
}
*
(
context
->
lzw_sp
)
++
=
context
->
lzw_table
[
1
][
code
];
if
(
code
==
context
->
lzw_table
[
0
][
code
])
{
...
...
@@ -1038,7 +1046,7 @@ gif_init (GifContext *context)
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"File does not appear to be a GIF file"
));
return
-
1
;
return
-
2
;
}
strncpy
(
version
,
(
char
*
)
buf
+
3
,
3
);
...
...
@@ -1051,7 +1059,7 @@ gif_init (GifContext *context)
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Version %s of the GIF file format is not supported"
),
version
);
return
-
1
;
return
-
2
;
}
/* read the screen descriptor */
...
...
gdk-pixbuf/io-jpeg.c
View file @
49b3e05a
...
...
@@ -337,7 +337,16 @@ gdk_pixbuf__jpeg_image_begin_load (ModulePreparedNotifyFunc prepared_func,
/* create libjpeg structures */
jpeg_create_decompress
(
&
context
->
cinfo
);
context
->
cinfo
.
src
=
(
struct
jpeg_source_mgr
*
)
g_new0
(
my_source_mgr
,
1
);
context
->
cinfo
.
src
=
(
struct
jpeg_source_mgr
*
)
g_try_malloc
(
sizeof
(
my_source_mgr
));
if
(
!
context
->
cinfo
.
src
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY
,
_
(
"Couldn't allocate memory for loading JPEG file"
));
return
NULL
;
}
memset
(
context
->
cinfo
.
src
,
0
,
sizeof
(
my_source_mgr
));
src
=
(
my_src_ptr
)
context
->
cinfo
.
src
;
context
->
cinfo
.
err
=
jpeg_std_error
(
&
context
->
jerr
.
pub
);
...
...
gdk-pixbuf/io-pnm.c
View file @
49b3e05a
...
...
@@ -23,7 +23,6 @@
*/
#include <config.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
...
...
@@ -203,7 +202,7 @@ pnm_skip_whitespace (PnmIOBuffer *inbuf, GError **error)
return
PNM_SUSPEND
;
}
}
else
if
(
!
isspace
(
*
inptr
))
{
}
else
if
(
!
g_ascii_
isspace
(
*
inptr
))
{
inbuf
->
byte
=
inptr
;
inbuf
->
nbytes
=
(
guint
)
(
inend
-
inptr
);
return
PNM_OK
;
...
...
@@ -221,9 +220,10 @@ static gint
pnm_read_next_value
(
PnmIOBuffer
*
inbuf
,
guint
*
value
,
GError
**
error
)
{
register
guchar
*
inptr
,
*
word
,
*
p
;
guchar
*
inend
,
buf
[
12
8
];
guchar
*
inend
,
buf
[
12
9
];
gchar
*
endptr
;
gint
retval
;
glong
result
;
g_return_val_if_fail
(
inbuf
!=
NULL
,
PNM_FATAL_ERR
);
g_return_val_if_fail
(
inbuf
->
byte
!=
NULL
,
PNM_FATAL_ERR
);
...
...
@@ -237,24 +237,25 @@ pnm_read_next_value (PnmIOBuffer *inbuf, guint *value, GError **error)
inptr
=
inbuf
->
byte
;
/* copy this pnm 'word' into a temp buffer */
for
(
p
=
inptr
,
word
=
buf
;
(
p
<
inend
)
&&
!
isspace
(
*
p
)
&&
(
p
-
inptr
<
128
);
p
++
,
word
++
)
for
(
p
=
inptr
,
word
=
buf
;
(
p
<
inend
)
&&
!
g_ascii_isspace
(
*
p
)
&&
(
*
p
!=
'#'
)
&&
(
p
-
inptr
<
128
);
p
++
,
word
++
)
*
word
=
*
p
;
*
word
=
'\0'
;
/* hmmm, there must be more data to this 'word' */
if
(
!
isspace
(
*
p
))
return
PNM_SUSPEND
;
if
(
!
g_ascii_isspace
(
*
p
)
&&
(
*
p
!=
'#'
)
&&
(
p
-
inptr
<
128
))
return
PNM_SUSPEND
;
/* get the value */
*
value
=
strtol
(
buf
,
&
endptr
,
10
);
if
(
*
endptr
!=
'\0'
)
{
result
=
strtol
(
buf
,
&
endptr
,
10
);
if
(
*
endptr
!=
'\0'
||
result
<
0
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"PNM loader expected to find an integer, but didn't"
));
return
PNM_FATAL_ERR
;
}
*
value
=
result
;
inbuf
->
byte
=
p
;
inbuf
->
nbytes
=
(
guint
)
(
inend
-
p
);
...
...
@@ -281,7 +282,7 @@ pnm_read_header (PnmLoaderContext *context)
if
(
*
inbuf
->
byte
!=
'P'
)
{
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_
CORRUPT_IMAGE
,
GDK_PIXBUF_ERROR_
HEADER_CORRUPT
,
_
(
"PNM file has an incorrect initial byte"
));
return
PNM_FATAL_ERR
;
}
...
...
@@ -311,7 +312,7 @@ pnm_read_header (PnmLoaderContext *context)
default:
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_
CORRUPT_IMAGE
,
GDK_PIXBUF_ERROR_
HEADER_CORRUPT
,
_
(
"PNM file is not in a recognized PNM subformat"
));
return
PNM_FATAL_ERR
;
}
...
...
@@ -336,7 +337,7 @@ pnm_read_header (PnmLoaderContext *context)
if
(
!
width
)
{
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_
CORRUPT_IMAGE
,
GDK_PIXBUF_ERROR_
HEADER_CORRUPT
,
_
(
"PNM file has an image width of 0"
));
return
PNM_FATAL_ERR
;
}
...
...
@@ -357,7 +358,7 @@ pnm_read_header (PnmLoaderContext *context)
if
(
!
height
)
{
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_
CORRUPT_IMAGE
,
GDK_PIXBUF_ERROR_
HEADER_CORRUPT
,
_
(
"PNM file has an image height of 0"
));
return
PNM_FATAL_ERR
;
}
...
...
@@ -380,8 +381,24 @@ pnm_read_header (PnmLoaderContext *context)
if
(
context
->
maxval
==
0
)
{
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Maximum color value in PNM file is 0"
));
GDK_PIXBUF_ERROR_HEADER_CORRUPT
,
_
(
"Maximum color value in PNM file is 0"
));
return
PNM_FATAL_ERR
;
}
if
(
context
->
maxval
>
65535
)
{
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_HEADER_CORRUPT
,
_
(
"Maximum color value in PNM file is too large"
));
return
PNM_FATAL_ERR
;
}
if
(
context
->
maxval
>
255
)
{
g_set_error
(
context
->
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_HEADER_CORRUPT
,
_
(
"Can't handle PNM files with maximum color values greater than 255"
));
return
PNM_FATAL_ERR
;
}
}
...
...
@@ -677,7 +694,7 @@ gdk_pixbuf__pnm_image_load (FILE *f, GError **error)
inbuf
=
&
context
.
inbuf
;
while
(
!
feof
(
f
)
)
{
while
(
TRUE
)
{
guint
num_to_read
;
/* keep buffer as full as possible */
...
...
@@ -689,11 +706,14 @@ gdk_pixbuf__pnm_image_load (FILE *f, GError **error)
nbytes
=
fread
(
inbuf
->
buffer
+
inbuf
->
nbytes
,
1
,
num_to_read
,
f
);
/* error checking */
if
(
nbytes
==
0
&&
ferror
(
f
)
)
{
if
(
nbytes
==
0
)
{
/* we ran out of data? */
if
(
context
.
pixbuf
)
gdk_pixbuf_unref
(
context
.
pixbuf
);
g_warning
(
"io-pnm.c: Ran out of data.
\n
"
);
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Premature end-of-file encountered"
));
return
NULL
;
}
...
...
@@ -713,23 +733,47 @@ gdk_pixbuf__pnm_image_load (FILE *f, GError **error)
/* scan until we hit image data */
if
(
!
context
.
did_prescan
)
{
retval
=
pnm_skip_whitespace
(
inbuf
,
context
.
error
);
if
(
retval
==
PNM_FATAL_ERR
)
return
NULL
;
else
if
(
retval
==
PNM_SUSPEND
)
continue
;
switch
(
context
.
type
)
{
case
PNM_FORMAT_PBM_RAW
:
case
PNM_FORMAT_PGM_RAW
:
case
PNM_FORMAT_PPM_RAW
:
if
(
inbuf
->
nbytes
<=
0
)
continue
;
/* raw formats require exactly one whitespace */
if
(
!
g_ascii_isspace
(
*
(
inbuf
->
byte
)))
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Raw PNM formats require exactly one whitespace before sample data"
));
return
NULL
;
}
inbuf
->
nbytes
--
;
inbuf
->
byte
++
;
break
;
default:
retval
=
pnm_skip_whitespace
(
inbuf
,
context
.
error
);
if
(
retval
==
PNM_FATAL_ERR
)
return
NULL
;
else
if
(
retval
==
PNM_SUSPEND
)
continue
;
break
;
}
context
.
did_prescan
=
TRUE
;
context
.
output_row
=
0
;
context
.
output_col
=
0
;
context
.
rowstride
=
context
.
width
*
3
;
context
.
pixels
=
g_malloc
(
context
.
height
*
context
.
width
*
3
);
context
.
pixels
=
g_
try_
malloc
(
context
.
height
*
context
.
width
*
3
);
if
(
!
context
.
pixels
)
{
/* Failed to allocate memory */
g_warning
(
"Couldn't allocate pixel buf"
);
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY
,
_
(
"Can't allocate memory for loading PNM image"
));
return
NULL
;
}
}
...
...
@@ -773,7 +817,14 @@ gdk_pixbuf__pnm_image_begin_load (ModulePreparedNotifyFunc prepared_func,
{
PnmLoaderContext
*
context
;
context
=
g_new0
(
PnmLoaderContext
,
1
);
context
=
g_try_malloc
(
sizeof
(
PnmLoaderContext
));
if
(
!
context
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY
,
_
(
"Insufficient memory to load PNM context struct"
));
return
NULL
;
}
memset
(
context
,
0
,
sizeof
(
PnmLoaderContext
));
context
->
prepared_func
=
prepared_func
;
context
->
updated_func
=
updated_func
;
context
->
user_data
=
user_data
;
...
...
@@ -811,6 +862,11 @@ gdk_pixbuf__pnm_image_stop_load (gpointer data,
if
(
context
->
pixbuf
)
gdk_pixbuf_unref
(
context
->
pixbuf
);
#if 0
/* We should ignore trailing newlines and we can't
generally complain about trailing stuff at all, since
pnm allows to put multiple images in a file
*/
if (context->inbuf.nbytes > 0) {
g_set_error (error,
GDK_PIXBUF_ERROR,
...
...
@@ -818,6 +874,7 @@ gdk_pixbuf__pnm_image_stop_load (gpointer data,
_("Unexpected end of PNM image data"));
retval = FALSE;
}
#endif
g_free
(
context
);
...
...
@@ -895,14 +952,33 @@ gdk_pixbuf__pnm_image_load_increment (gpointer data,
/* scan until we hit image data */
if
(
!
context
->
did_prescan
)
{
retval
=
pnm_skip_whitespace
(
inbuf
,
context
->
error
);
if
(
retval
==
PNM_FATAL_ERR
)
return
FALSE
;
else
if
(
retval
==
PNM_SUSPEND
)
continue
;
switch
(
context
->
type
)
{
case
PNM_FORMAT_PBM_RAW
:
case
PNM_FORMAT_PGM_RAW
:
case
PNM_FORMAT_PPM_RAW
:
if
(
inbuf
->
nbytes
<=
0
)
continue
;
/* raw formats require exactly one whitespace */
if
(
!
g_ascii_isspace
(
*
(
inbuf
->
byte
)))
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Raw PNM formats require exactly one whitespace before sample data"
));
return
FALSE
;
}
inbuf
->
nbytes
--
;
inbuf
->
byte
++
;
break
;
default:
retval
=
pnm_skip_whitespace
(
inbuf
,
context
->
error
);
if
(
retval
==
PNM_FATAL_ERR
)
return
FALSE
;
else
if
(
retval
==
PNM_SUSPEND
)
continue
;
break
;
}
context
->
did_prescan
=
TRUE
;
context
->
output_row
=
0
;
context
->
output_col
=
0
;
...
...
gdk-pixbuf/io-tga.c
View file @
49b3e05a
...
...
@@ -17,6 +17,9 @@
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
/*
* Some NOTES about the TGA loader (2001/06/07, nikke@swlibero.org)
*
* - The module doesn't currently provide support for TGA images where the
...
...
@@ -117,6 +120,7 @@ struct _TGAColor {
struct
_TGAContext
{
TGAHeader
*
hdr
;
guint
rowstride
;
guint
completed_lines
;
gboolean
run_length_encoded
;
TGAColormap
*
cmap
;
...
...
@@ -293,6 +297,7 @@ static gboolean fill_in_context(TGAContext *ctx, GError **err)
else
if
(
ctx
->
hdr
->
type
==
TGA_TYPE_TRUECOLOR
)
ctx
->
rowstride
=
ctx
->
pbuf
->
rowstride
;
ctx
->
completed_lines
=
0
;
return
TRUE
;
}
...
...
@@ -724,9 +729,16 @@ static gboolean gdk_pixbuf__tga_load_increment(gpointer data,
if
(
!
parse_rle_data
(
ctx
,
err
))
return
FALSE
;
}
else
{
while
(
ctx
->
in
->
size
>=
ctx
->
rowstride
)
while
(
ctx
->
in
->
size
>=
ctx
->
rowstride
)
{
if
(
ctx
->
completed_lines
>=
ctx
->
pbuf
->
height
)
{
g_set_error
(
err
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_FAILED
,
_
(
"Excess data in file"
));
return
FALSE
;
}
if
(
!
parse_data_for_row
(
ctx
,
err
))
return
FALSE
;
ctx
->
completed_lines
++
;
}
}
return
TRUE
;
...
...
gdk-pixbuf/io-tiff.c
View file @
49b3e05a
...
...
@@ -257,11 +257,10 @@ gdk_pixbuf__tiff_image_load (FILE *f, GError **error)
fd
=
fileno
(
f
);
tiff
=
TIFFFdOpen
(
fd
,
"libpixbuf-tiff"
,
"r"
);
if
(
!
tiff
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Failed to open TIFF image"
));
if
(
!
tiff
||
global_error
)
{
tiff_set_error
(
error
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"Failed to open TIFF image"
));
tiff_pop_handlers
();
G_UNLOCK
(
tiff_loader
);
...
...
@@ -404,11 +403,10 @@ gdk_pixbuf__tiff_image_stop_load (gpointer data,
tiff_seek
,
tiff_close
,
tiff_size
,
tiff_map_file
,
tiff_unmap_file
);
if
(
!
tiff
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_FAILED
,
_
(
"Failed to load TIFF image"
));
if
(
!
tiff
||
global_error
)
{
tiff_set_error
(
error
,
GDK_PIXBUF_ERROR_FAILED
,
_
(
"Failed to load TIFF image"
));
retval
=
FALSE
;
}
else
{
GdkPixbuf
*
pixbuf
;
...
...
@@ -418,10 +416,16 @@ gdk_pixbuf__tiff_image_stop_load (gpointer data,
g_object_unref
(
G_OBJECT
(
pixbuf
));
retval
=
pixbuf
!=
NULL
;
TIFFClose
(
tiff
);
if
(
global_error
)
{
tiff_set_error
(
error
,
GDK_PIXBUF_ERROR_FAILED
,
_
(
"Failed to load TIFF image"
));
retval
=
FALSE
;
}
}
if
(
global_error
)
g_warning
(
"Error left set in TIFF loader
\n
"
);
g_assert
(
!
global_error
);
g_free
(
context
->
buffer
);
g_free
(
context
);
...
...
gdk-pixbuf/io-xpm.c
View file @
49b3e05a
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* GdkPixbuf library - XPM image loader
*
* Copyright (C) 1999 Mark Crichton
...
...
@@ -926,7 +927,7 @@ find_color(const char *name,
* Partial implementation of X color name parsing interface.
*
* Results:
* Returns
non-zero
on success.
* Returns
TRUE
on success.
*
* Side effects:
* None.
...
...
@@ -947,7 +948,8 @@ parse_color (const char *spec,
}
i
/=
3
;
sprintf
(
fmt
,
"%%%dx%%%dx%%%dx"
,
i
,
i
,
i
);
g_snprintf
(
fmt
,
16
,
"%%%dx%%%dx%%%dx"
,
i
,
i
,
i
);
if
(
sscanf
(
spec
+
1
,
fmt
,
&
red
,
&
green
,
&
blue
)
!=
3
)
{
return
FALSE
;
}
...
...
@@ -977,20 +979,13 @@ parse_color (const char *spec,
}
static
gint
xpm_seek_string
(
FILE
*
infile
,
const
gchar
*
str
,
gint
skip_comments
)
xpm_seek_string
(
FILE
*
infile
,
const
gchar
*
str
)
{
char
instr
[
1024
];
while
(
!
feof
(
infile
))
{
if
(
fscanf
(
infile
,
"%1023s"
,
instr
)
<
0
)
return
FALSE
;
if
(
skip_comments
==
TRUE
&&
strcmp
(
instr
,
"/*"
)
==
0
)
{
fscanf
(
infile
,
"%1023s"
,
instr
);
while
(
!
feof
(
infile
)
&&
strcmp
(
instr
,
"*/"
)
!=
0
)
fscanf
(
infile
,
"%1023s"
,
instr
);
fscanf
(
infile
,
"%1023s"
,
instr
);
}
if
(
strcmp
(
instr
,
str
)
==
0
)
return
TRUE
;
}
...
...
@@ -1176,7 +1171,7 @@ file_buffer (enum buf_op op, gpointer handle)
switch
(
op
)
{
case
op_header
:
if
(
xpm_seek_string
(
h
->
infile
,
"XPM"
,
FALSE
)
!=
TRUE
)
if
(
xpm_seek_string
(
h
->
infile
,
"XPM"
)
!=
TRUE
)
break
;
if
(
xpm_seek_char
(
h
->
infile
,
'{'
)
!=
TRUE
)
...
...
@@ -1258,11 +1253,35 @@ pixbuf_create_from_xpm (const gchar * (*get_buf) (enum buf_op op, gpointer handl
return
NULL
;
}
sscanf
(
buffer
,
"%d %d %d %d"
,
&
w
,
&
h
,
&
n_col
,
&
cpp
);
if
(
cpp
>=
32
)
{
if
(
w
<=
0
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"XPM file has image width <= 0"
));
return
NULL
;
}
if
(
h
<=
0
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"XPM file has image height <= 0"
));
return
NULL
;
}
if
(
n_col
<=
0
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"XPM file has invalid number of colors"
));
return
NULL
;
}
if
(
cpp
<=
0
||
cpp
>=
32
)
{
g_set_error
(
error
,
GDK_PIXBUF_ERROR
,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE
,
_
(
"XPM has
more than 31
chars per pixel"
));
_
(
"XPM has
invalid number of
chars per pixel"
));
return
NULL
;
}
...
...
@@ -1430,7 +1449,6 @@ gdk_pixbuf__xpm_image_begin_load (ModulePreparedNotifyFunc prepare_func,
XPMContext
*
context
;
gint
fd
;
g_warning
(
"load start"
);
context
=
g_new
(
XPMContext
,
1
);
context
->
prepare_func
=
prepare_func
;
context
->
update_func
=
update_func
;
...
...
gdk-pixbuf/test-images.h
View file @
49b3e05a
This diff is collapsed.
Click to expand it.
gdk-pixbuf/test-loaders.c
View file @
49b3e05a
...
...
@@ -285,7 +285,7 @@ randomly_modify (const guchar *image, guint size, gboolean verbose)
#define TEST(bytes, data_is_ok) \
do { \
g_print ("%-
3
0s", " " #bytes " "); \
g_print ("%-
4
0s", " " #bytes " "); \
fflush (stdout); \
if (test_loader (bytes, sizeof (bytes), data_is_ok)) \
g_print ("\tpassed\n"); \
...
...
@@ -295,7 +295,7 @@ do { \
#define LOWMEMTEST(bytes) \
do { \
g_print ("%-
3
0s", "memory " #bytes " "); \
g_print ("%-
4
0s", "memory " #bytes " "); \
fflush (stdout); \
mem_test (bytes, sizeof (bytes)); \
g_print ("\tpassed\n"); \
...
...
@@ -304,19 +304,19 @@ do { \
#define TEST_RANDOM(header, n_img, verbose) \
do { \
static guchar h[] = { header }; \
g_print ("%-
3
0s", "random " #header " "); \
g_print ("%-
4
0s", "random " #header " "); \
fflush (stdout); \
assault (h, sizeof (h), n_img, verbose); \
g_print ("\tpassed\n"); \
} while (0)
;
} while (0)
#define TEST_RANDOMLY_MODIFIED(image, verbose) \
do { \
g_print ("%-
3
0s", "randomly modified " #image " "); \
g_print ("%-
4
0s", "randomly modified " #image " "); \
fflush (stdout); \
randomly_modify (image, sizeof (image), verbose); \
g_print ("\tpassed\n"); \
} while (0)
;
} while (0)
...
...
@@ -372,10 +372,24 @@ main (int argc, char **argv)
g_random_set_seed
(
seed
);
g_type_init
();
g_log_set_
fatal_mask
(
NULL
,
G_LOG_LEVEL_WARNING
|
G_LOG_LEVEL_ERROR
|
G_LOG_LEVEL_CRITICAL
);
g_log_set_
always_fatal
(
G_LOG_LEVEL_WARNING
|
G_LOG_LEVEL_ERROR
|
G_LOG_LEVEL_CRITICAL
);
putenv
(
"GDK_PIXBUF_MODULEDIR="
BUILT_MODULES_DIR
);
TEST
(
valid_ppm_1
,
TRUE
);
TEST
(
valid_ppm_2
,
TRUE
);
TEST
(
valid_ppm_3
,
FALSE
);
/* image is valid, but we don't handle maxval > 255 */
TEST
(
valid_ppm_4
,
TRUE
);
TEST
(
invalid_ppm_1
,
FALSE
);
/* this test fails to fail, because it's shorter than LOADER_HEADER_SIZE */
TEST
(
invalid_ppm_2
,
FALSE
);
TEST
(
invalid_ppm_3
,
FALSE
);
TEST
(
invalid_ppm_4
,
FALSE
);
TEST
(
invalid_ppm_5
,
FALSE
);
TEST
(
invalid_ppm_6
,
FALSE
);
TEST
(
invalid_ppm_7
,
FALSE
);
TEST
(
invalid_ppm_8
,
FALSE
);
TEST
(
valid_gif_test
,
TRUE
);
TEST
(
gif_test_1
,
FALSE
);
TEST
(
gif_test_2
,
FALSE
);
...
...
@@ -384,31 +398,39 @@ main (int argc, char **argv)
TEST
(
valid_png_test
,
TRUE
);
TEST
(
png_test_1
,
FALSE
);
TEST
(
png_test_2
,
FALSE
);
#if 0
TEST (valid_ico_test, TRUE);
#endif