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[devel] Restored the PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED guard

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around the call to png_flush() after png_write_IEND().  See 1.4.0beta32,
1.4.0beta50 changes above and 1.2.30, 1.2.30rc01 and rc03 in 1.2.41
CHANGES in the libpng_master branch.  Someone needs this feature but
I don't remember who.
This commit is contained in:
Glenn Randers-Pehrson 2009-11-20 20:28:29 -06:00
parent 311c8476f8
commit edcd6e14c6
3 changed files with 16 additions and 5 deletions
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8
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.4.0beta103 - November 20, 2009
Libpng 1.4.0beta103 - November 21, 2009
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -692,8 +692,12 @@ version 1.4.0beta102 [November 18, 2009]
scripts/README.txt
Updated the copyright year in scripts/pngwin.rc from 2006 to 2009.
version 1.4.0beta103 [November 20, 2009]
version 1.4.0beta103 [November 21, 2009]
Removed obsolete comments about ASM from projects/visualc71/README_zlib.txt
Restored the PNG_WRITE_FLUSH_AFTER_IEND guard around the call to png_flush()
after png_write_IEND(). See 1.4.0beta32, 1.4.0beta50 changes above
and 1.2.30, 1.2.30rc01 and rc03 in 1.2.41 CHANGES. Someone needs this
feature but I don't remember who.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

6
CHANGES
View File

@ -2379,8 +2379,12 @@ version 1.4.0beta102 [November 18, 2009]
scripts/README.txt
Updated the copyright year in scripts/pngwin.rc from 2006 to 2009.
version 1.4.0beta103 [November 20, 2009]
version 1.4.0beta103 [November 21, 2009]
Removed obsolete comments about ASM from projects/visualc71/README_zlib.txt
Restored the PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED guard around the call
to png_flush() after png_write_IEND(). See 1.4.0beta32, 1.4.0beta50
changes above and 1.2.30, 1.2.30rc01 and rc03 in 1.2.41 CHANGES. Someone
needs this feature but I don't remember who.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

7
pngwrite.c
View File

@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.4.0 [November 20, 2009]
* Last changed in libpng 1.4.0 [November 21, 2009]
* Copyright (c) 1998-2009 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.)
@ -412,11 +412,14 @@ png_write_end(png_structp png_ptr, png_infop info_ptr)
/* This flush, added in libpng-1.0.8, removed from libpng-1.0.9beta03,
* and restored again in libpng-1.2.30, may cause some applications that
* do not set png_ptr->output_flush_fn to crash. If your application
* experiences a problem, please report the event to
* experiences a problem, please try building libpng with
* PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED defined, and report the event to
* png-mng-implement at lists.sf.net .
*/
#ifdef PNG_WRITE_FLUSH_SUPPORTED
# ifdef PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED
png_flush(png_ptr);
# endif
#endif
}