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[libpng16] Removed reference to the obsolete PNG_SAFE_LIMITS macro in

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the documentation.
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Glenn Randers-Pehrson 2017-04-22 15:44:55 -05:00
parent 53f22aed41
commit 60d8ae1003
4 changed files with 25 additions and 31 deletions
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5
ANNOUNCE
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@ -1,4 +1,4 @@
Libpng 1.6.30beta02 - April 21, 2017
Libpng 1.6.30beta02 - April 22, 2017
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.
@ -32,10 +32,11 @@ Version 1.6.30beta01 [April 1, 2017]
Silence clang -Wcomma and const drop warnings (Viktor Szakats).
Update Sourceforge URLs in documentation (https instead of http).
Version 1.6.30beta02 [April 21, 2017]
Version 1.6.30beta02 [April 22, 2017]
Document need to check for integer overflow when allocating a pixel
buffer for multiple rows in contrib/gregbook, contrib/pngminus,
example.c, and in the manual (suggested by Jaeseung Choi).
Removed reference to the obsolete PNG_SAFE_LIMITS macro in the documentation.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

3
CHANGES
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@ -5827,10 +5827,11 @@ Version 1.6.30beta01 [April 1, 2017]
Silence clang -Wcomma and const drop warnings (Viktor Szakats).
Update Sourceforge URLs in documentation (https instead of http).
Version 1.6.30beta02 [April 21, 2017]
Version 1.6.30beta02 [April 22, 2017]
Document need to check for integer overflow when allocating a pixel
buffer for multiple rows in contrib/gregbook, contrib/pngminus,
example.c, and in the manual (suggested by Jaeseung Choi).
Removed reference to the obsolete PNG_SAFE_LIMITS macro in the documentation.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

20
libpng-manual.txt
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@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.30beta02 - April 19, 2017
libpng version 1.6.30beta02 - April 22, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.30beta02 - April 19, 2017
libpng versions 0.97, January 1998, through 1.6.30beta02 - April 22, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -4943,18 +4943,14 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
that it could be used to override them. Now this function will reduce or
increase the limits.
Starting in libpng-1.5.10, the user limits can be set en masse with the
configuration option PNG_SAFE_LIMITS_SUPPORTED. If this option is enabled,
a set of "safe" limits is applied in pngpriv.h. These can be overridden by
application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
and/or png_set_user_malloc_max() that increase or decrease the limits. Also,
in libpng-1.5.10 the default width and height limits were increased
from 1,000,000 to 0x7fffffff (i.e., made unlimited). Therefore, the
limits are now
default safe
Starting in libpng-1.5.22, default user limits were established. These
can be overridden by application calls to png_set_user_limits(),
png_set_user_chunk_cache_max(), and/or png_set_user_malloc_max().
The limits are now
max possible default
png_user_width_max 0x7fffffff 1,000,000
png_user_height_max 0x7fffffff 1,000,000
png_user_chunk_cache_max 0 (unlimited) 128
png_user_chunk_cache_max 0 (unlimited) 1000
png_user_chunk_malloc_max 0 (unlimited) 8,000,000
The png_set_option() function (and the "options" member of the png struct) was

28
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "April 19, 2017"
.TH LIBPNG 3 "April 22, 2017"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.30beta02
.SH SYNOPSIS
@ -510,7 +510,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.30beta02 - April 19, 2017
libpng version 1.6.30beta02 - April 22, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -521,7 +521,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.30beta02 - April 19, 2017
libpng versions 0.97, January 1998, through 1.6.30beta02 - April 22, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -5453,18 +5453,14 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
that it could be used to override them. Now this function will reduce or
increase the limits.
Starting in libpng-1.5.10, the user limits can be set en masse with the
configuration option PNG_SAFE_LIMITS_SUPPORTED. If this option is enabled,
a set of "safe" limits is applied in pngpriv.h. These can be overridden by
application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
and/or png_set_user_malloc_max() that increase or decrease the limits. Also,
in libpng-1.5.10 the default width and height limits were increased
from 1,000,000 to 0x7fffffff (i.e., made unlimited). Therefore, the
limits are now
default safe
Starting in libpng-1.5.22, default user limits were established. These
can be overridden by application calls to png_set_user_limits(),
png_set_user_chunk_cache_max(), and/or png_set_user_malloc_max().
The limits are now
max possible default
png_user_width_max 0x7fffffff 1,000,000
png_user_height_max 0x7fffffff 1,000,000
png_user_chunk_cache_max 0 (unlimited) 128
png_user_chunk_cache_max 0 (unlimited) 1000
png_user_chunk_malloc_max 0 (unlimited) 8,000,000
The png_set_option() function (and the "options" member of the png struct) was
@ -6049,7 +6045,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.30beta02 - April 19, 2017:
Libpng version 1.6.30beta02 - April 22, 2017:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -6074,7 +6070,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.6.30beta02, April 19, 2017 are
libpng versions 1.0.7, July 1, 2000 through 1.6.30beta02, April 22, 2017 are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals
@ -6202,7 +6198,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
April 19, 2017
April 22, 2017
.\" end of man page