Hello,
building libpano with gcc 8 (instead of 7) triggers a couple of new
warnings that might be interesting:
-----------------------
parser.c: In function 'ReadImageDescription':
parser.c:1854:38: warning: '%s' directive writing up to 65535 bytes into a
region of size 256 [-Wformat-overflow=]
sprintf( sBuf.destName, "%s", buf );
^~ ~~~
In file included from /usr/include/stdio.h:862,
from filter.h:26,
from parser.c:47:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:33:10: note:
'__builtin___sprintf_chk' output between 1 and 65536 bytes into a destination
of size 256
return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
parser.c:1850:37: warning: '%s' directive writing up to 65535 bytes into a
region of size 256 [-Wformat-overflow=]
sprintf( sBuf.srcName, "%s", buf);
^~ ~~~
In file included from /usr/include/stdio.h:862,
from filter.h:26,
from parser.c:47:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:33:10: note:
'__builtin___sprintf_chk' output between 1 and 65536 bytes into a destination
of size 256
return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
parser.c: In function 'ParseScript':
parser.c:453:45: warning: '%s' directive writing up to 65535 bytes into a
region of size 512 [-Wformat-overflow=]
sprintf( im->name, "%s", buf );
^~ ~~~
In file included from /usr/include/stdio.h:862,
from filter.h:26,
from parser.c:47:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:33:10: note:
'__builtin___sprintf_chk' output between 1 and 65536 bytes into a destination
of size 512
return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[...]
correct.c: In function 'getFrame':
correct.c:749:24: warning: '%d' directive writing between 1 and 10 bytes into a
region of size 8 [-Wformat-overflow=]
sprintf( percent, "%d", (int) (xul * 100)/(dx>0?dx:1));
^~
correct.c:749:23: note: directive argument in the range [0, 2147483647]
sprintf( percent, "%d", (int) (xul * 100)/(dx>0?dx:1));
^~~~
In file included from /usr/include/stdio.h:862,
from filter.h:26,
from correct.c:35:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:33:10: note:
'__builtin___sprintf_chk' output between 2 and 11 bytes into a destination of
size 8
return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[...]
ColourBrightness.c: In function 'ReadHistograms':
ColourBrightness.c:1281:55: warning: '%s' directive writing up to 511 bytes
into a region of size 486 [-Wformat-overflow=]
sprintf(tempString2, "Could not open TIFF file [%s]", tempString);
^~ ~~~~~~~~~~
In file included from /usr/include/stdio.h:862,
from filter.h:26,
from ColourBrightness.c:32:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:33:10: note:
'__builtin___sprintf_chk' output between 28 and 539 bytes into a destination of
size 512
return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
------------------------------------------------
Also, the following warnings is thrown a couple of times in the test-suite:
Comparing reference images: 2
reference/tiff_m_cropped0000.tif -> tests/tiff_m_cropped0000.tif
TIFFReadDirectory: Warning, Sum of Photometric type-related color channels and
ExtraSamples doesn't match SamplesPerPixel. Defining non-color channels as
ExtraSamples..
[...]
cu Andreas
--
`What a good friend you are to him, Dr. Maturin. His other friends are
so grateful to you.'
`I sew his ears on from time to time, sure'
--
A list of frequently asked questions is available at:
http://wiki.panotools.org/Hugin_FAQ
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