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[libpng16] Merged pngrio.c, pngtrans.c, pngwio.c, and pngerror.c

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with libpng-1.7.0
This commit is contained in:
Glenn Randers-Pehrson 2013-12-28 12:52:59 -06:00
parent e51ba2eff4
commit 88ecac68be
6 changed files with 18 additions and 5 deletions
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1
ANNOUNCE
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@ -48,6 +48,7 @@ Version 1.6.9beta02 [December 28, 2013]
Merged with pngvalid.c from libpng-1.7 changes to create a single
pngvalid.c
Removed #error macro from contrib/tools/pngfix.c (Thomas Klausner).
Merged pngrio.c, pngtrans.c, pngwio.c, and pngerror.c with libpng-1.7.0
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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1
CHANGES
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@ -4773,6 +4773,7 @@ Version 1.6.9beta02 [December 28, 2013]
Merged with pngvalid.c from libpng-1.7 changes to create a single
pngvalid.c
Removed #error macro from contrib/tools/pngfix.c (Thomas Klausner).
Merged pngrio.c, pngtrans.c, pngwio.c, and pngerror.c with libpng-1.7.0
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

7
pngerror.c
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@ -761,7 +761,12 @@ png_longjmp,(png_const_structrp png_ptr, int val),PNG_NORETURN)
png_ptr->longjmp_fn(*png_ptr->jmp_buf_ptr, val);
#endif
/* Here if not setjmp support or if png_ptr is null. */
/* If control reaches this point, png_longjmp() must not return. The only
* choice is to terminate the whole process (or maybe the thread); to do
* this the ANSI-C abort() function is used unless a different method is
* implemented by overriding the default configuration setting for
* PNG_ABORT().
*/
PNG_ABORT();
}

4
pngrio.c
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@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.6.0 [February 14, 2013]
* Last changed in libpng 1.6.9 [(PENDING RELEASE)]
* Copyright (c) 1998-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -102,6 +102,7 @@ png_set_read_fn(png_structrp png_ptr, png_voidp io_ptr,
png_ptr->read_data_fn = read_data_fn;
#endif
#ifdef PNG_WRITE_SUPPORTED
/* It is an error to write to a read device */
if (png_ptr->write_data_fn != NULL)
{
@ -110,6 +111,7 @@ png_set_read_fn(png_structrp png_ptr, png_voidp io_ptr,
"Can't set both read_data_fn and write_data_fn in the"
" same structure");
}
#endif
#ifdef PNG_WRITE_FLUSH_SUPPORTED
png_ptr->output_flush_fn = NULL;

6
pngtrans.c
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@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.6.2 [April 25, 2013]
* Last changed in libpng 1.6.9 [(PENDING RELEASE)]
* Copyright (c) 1998-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -57,7 +57,9 @@ png_set_packing(png_structrp png_ptr)
if (png_ptr->bit_depth < 8)
{
png_ptr->transformations |= PNG_PACK;
png_ptr->usr_bit_depth = 8;
# ifdef PNG_WRITE_SUPPORTED
png_ptr->usr_bit_depth = 8;
# endif
}
}
#endif

4
pngwio.c
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@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.6.8 [December 19, 2013]
* Last changed in libpng 1.6.9 [(PENDING RELEASE)]
* Copyright (c) 1998-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -153,6 +153,7 @@ png_set_write_fn(png_structrp png_ptr, png_voidp io_ptr,
PNG_UNUSED(output_flush_fn)
#endif /* PNG_WRITE_FLUSH_SUPPORTED */
#ifdef PNG_READ_SUPPORTED
/* It is an error to read while writing a png file */
if (png_ptr->read_data_fn != NULL)
{
@ -162,5 +163,6 @@ png_set_write_fn(png_structrp png_ptr, png_voidp io_ptr,
"Can't set both read_data_fn and write_data_fn in the"
" same structure");
}
#endif
}
#endif /* PNG_WRITE_SUPPORTED */