13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /* png.c - location for general purpose libpng functions
26 *
27 * This file is available under and governed by the GNU General Public
28 * License version 2 only, as published by the Free Software Foundation.
29 * However, the following notice accompanied the original version of this
30 * file and, per its terms, should not be removed:
31 *
32 * Last changed in libpng 1.6.19 [November 12, 2015]
33 * Copyright (c) 1998-2015 Glenn Randers-Pehrson
34 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
35 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
36 *
37 * This code is released under the libpng license.
38 * For conditions of distribution and use, see the disclaimer
39 * and license in png.h
40 */
41
42 #include "pngpriv.h"
43
44 /* Generate a compiler error if there is an old png.h in the search path. */
45 typedef png_libpng_version_1_6_20 Your_png_h_is_not_version_1_6_20;
46
47 /* Tells libpng that we have already handled the first "num_bytes" bytes
48 * of the PNG file signature. If the PNG data is embedded into another
49 * stream we can set num_bytes = 8 so that libpng will not attempt to read
50 * or write any of the magic bytes before it starts on the IHDR.
51 */
52
53 #ifdef PNG_READ_SUPPORTED
54 void PNGAPI
55 png_set_sig_bytes(png_structrp png_ptr, int num_bytes)
56 {
57 unsigned int nb = (unsigned int)num_bytes;
58
59 png_debug(1, "in png_set_sig_bytes");
60
61 if (png_ptr == NULL)
62 return;
63
64 if (num_bytes < 0)
65 nb = 0;
786 else
787 return png_ptr->time_buffer;
788 }
789
790 return NULL;
791 }
792 # endif /* LIBPNG_VER < 10700 */
793 # endif /* TIME_RFC1123 */
794
795 #endif /* READ || WRITE */
796
797 png_const_charp PNGAPI
798 png_get_copyright(png_const_structrp png_ptr)
799 {
800 PNG_UNUSED(png_ptr) /* Silence compiler warning about unused png_ptr */
801 #ifdef PNG_STRING_COPYRIGHT
802 return PNG_STRING_COPYRIGHT
803 #else
804 # ifdef __STDC__
805 return PNG_STRING_NEWLINE \
806 "libpng version 1.6.20 - December 3, 2015" PNG_STRING_NEWLINE \
807 "Copyright (c) 1998-2015 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
808 "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
809 "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
810 PNG_STRING_NEWLINE;
811 # else
812 return "libpng version 1.6.20 - December 3, 2015\
813 Copyright (c) 1998-2015 Glenn Randers-Pehrson\
814 Copyright (c) 1996-1997 Andreas Dilger\
815 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
816 # endif
817 #endif
818 }
819
820 /* The following return the library version as a short string in the
821 * format 1.0.0 through 99.99.99zz. To get the version of *.h files
822 * used with your application, print out PNG_LIBPNG_VER_STRING, which
823 * is defined in png.h.
824 * Note: now there is no difference between png_get_libpng_ver() and
825 * png_get_header_ver(). Due to the version_nn_nn_nn typedef guard,
826 * it is guaranteed that png.c uses the correct version of png.h.
827 */
828 png_const_charp PNGAPI
829 png_get_libpng_ver(png_const_structrp png_ptr)
830 {
831 /* Version of *.c files used when building libpng */
832 return png_get_header_ver(png_ptr);
833 }
|
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /* png.c - location for general purpose libpng functions
26 *
27 * This file is available under and governed by the GNU General Public
28 * License version 2 only, as published by the Free Software Foundation.
29 * However, the following notice accompanied the original version of this
30 * file and, per its terms, should not be removed:
31 *
32 * Last changed in libpng 1.6.19 [November 12, 2015]
33 * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
34 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
35 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
36 *
37 * This code is released under the libpng license.
38 * For conditions of distribution and use, see the disclaimer
39 * and license in png.h
40 */
41
42 #include "pngpriv.h"
43
44 /* Generate a compiler error if there is an old png.h in the search path. */
45 typedef png_libpng_version_1_6_23 Your_png_h_is_not_version_1_6_23;
46
47 /* Tells libpng that we have already handled the first "num_bytes" bytes
48 * of the PNG file signature. If the PNG data is embedded into another
49 * stream we can set num_bytes = 8 so that libpng will not attempt to read
50 * or write any of the magic bytes before it starts on the IHDR.
51 */
52
53 #ifdef PNG_READ_SUPPORTED
54 void PNGAPI
55 png_set_sig_bytes(png_structrp png_ptr, int num_bytes)
56 {
57 unsigned int nb = (unsigned int)num_bytes;
58
59 png_debug(1, "in png_set_sig_bytes");
60
61 if (png_ptr == NULL)
62 return;
63
64 if (num_bytes < 0)
65 nb = 0;
786 else
787 return png_ptr->time_buffer;
788 }
789
790 return NULL;
791 }
792 # endif /* LIBPNG_VER < 10700 */
793 # endif /* TIME_RFC1123 */
794
795 #endif /* READ || WRITE */
796
797 png_const_charp PNGAPI
798 png_get_copyright(png_const_structrp png_ptr)
799 {
800 PNG_UNUSED(png_ptr) /* Silence compiler warning about unused png_ptr */
801 #ifdef PNG_STRING_COPYRIGHT
802 return PNG_STRING_COPYRIGHT
803 #else
804 # ifdef __STDC__
805 return PNG_STRING_NEWLINE \
806 "libpng version 1.6.23 - June 9, 2016" PNG_STRING_NEWLINE \
807 "Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \
808 PNG_STRING_NEWLINE \
809 "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
810 "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
811 PNG_STRING_NEWLINE;
812 # else
813 return "libpng version 1.6.23 - June 9, 2016\
814 Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\
815 Copyright (c) 1996-1997 Andreas Dilger\
816 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
817 # endif
818 #endif
819 }
820
821 /* The following return the library version as a short string in the
822 * format 1.0.0 through 99.99.99zz. To get the version of *.h files
823 * used with your application, print out PNG_LIBPNG_VER_STRING, which
824 * is defined in png.h.
825 * Note: now there is no difference between png_get_libpng_ver() and
826 * png_get_header_ver(). Due to the version_nn_nn_nn typedef guard,
827 * it is guaranteed that png.c uses the correct version of png.h.
828 */
829 png_const_charp PNGAPI
830 png_get_libpng_ver(png_const_structrp png_ptr)
831 {
832 /* Version of *.c files used when building libpng */
833 return png_get_header_ver(png_ptr);
834 }
|