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[libpng15] Update documentation of user limits
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Glenn Randers-Pehrson
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@ -1,6 +1,6 @@
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Libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.5.29beta02 - April 1, 2017
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libpng version 1.5.29beta02 - May 22, 2017
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2014 Glenn Randers-Pehrson
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@ -11,7 +11,7 @@ Libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.5.29beta02 - April 1, 2017
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libpng versions 0.97, January 1998, through 1.5.29beta02 - May 22, 2017
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2014 Glenn Randers-Pehrson
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@ -4245,14 +4245,15 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
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that it could be used to override them. Now this function will reduce or
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increase the limits.
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Starting in libpng-1.5.10, the user limits can be set en masse with the
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configuration option PNG_SAFE_LIMITS_SUPPORTED. If this option is enabled,
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a set of "safe" limits is applied in pngpriv.h. These can be overridden by
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application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
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and/or png_set_user_malloc_max() that increase or decrease the limits. Also,
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in libpng-1.5.10 the default width and height limits were increased
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from 1,000,000 to 0x7fffffff (i.e., made unlimited). Therefore, the
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limits are now
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From libpng-1.5.10 through libpng-1.5.21, the user limits could be set
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en masse with the configuration option PNG_SAFE_LIMITS_SUPPORTED. If this
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option was enabled, a set of "safe" limits was applied in pngpriv.h. Beginning
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with libpng-1.5.22, the "safe" limits were applied by default. These can be
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overridden by application calls to png_set_user_limits(),
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png_set_user_chunk_cache_max(), and/or png_set_user_malloc_max() that increase
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or decrease the limits. Also, in libpng-1.5.10 the default width and height
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limits were increased from 1,000,000 to 0x7fffffff (i.e., made unlimited).
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Therefore, the limits are now
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default safe
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png_user_width_max 0x7fffffff 1,000,000
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png_user_height_max 0x7fffffff 1,000,000
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@ -4369,11 +4370,11 @@ control. The git repository was built from old libpng-x.y.z.tar.gz files
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going back to version 0.70. You can access the git repository (read only)
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at
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https://git.code.sf.net/p/libpng/code.git
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git://git.code.sf.net/p/libpng/code.git
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or you can browse it with a web browser by selecting the "code" button at
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https://sourceforge.net/projects/libpng/
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https://sourceforge.net/projects/libpng
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Patches can be sent to glennrp at users.sourceforge.net or to
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png-mng-implement at lists.sourceforge.net or you can upload them to
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33
libpng.3
33
libpng.3
@ -1,4 +1,4 @@
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.TH LIBPNG 3 "April 3, 2017"
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.TH LIBPNG 3 "May 22, 2017"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.5.29beta02
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.SH SYNOPSIS
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@ -496,7 +496,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
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.SH LIBPNG.TXT
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Libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.5.29beta02 - April 3, 2017
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libpng version 1.5.29beta02 - May 22, 2017
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2014 Glenn Randers-Pehrson
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@ -507,7 +507,7 @@ Libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.5.29beta02 - April 3, 2017
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libpng versions 0.97, January 1998, through 1.5.29beta02 - May 22, 2017
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2014 Glenn Randers-Pehrson
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@ -4741,14 +4741,15 @@ PNG_USER_WIDTH_MAX and PNG_USER_HEIGHT_MAX, although this document said
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that it could be used to override them. Now this function will reduce or
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increase the limits.
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Starting in libpng-1.5.10, the user limits can be set en masse with the
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configuration option PNG_SAFE_LIMITS_SUPPORTED. If this option is enabled,
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a set of "safe" limits is applied in pngpriv.h. These can be overridden by
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application calls to png_set_user_limits(), png_set_user_chunk_cache_max(),
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and/or png_set_user_malloc_max() that increase or decrease the limits. Also,
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in libpng-1.5.10 the default width and height limits were increased
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from 1,000,000 to 0x7fffffff (i.e., made unlimited). Therefore, the
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limits are now
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From libpng-1.5.10 through libpng-1.5.21, the user limits could be set
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en masse with the configuration option PNG_SAFE_LIMITS_SUPPORTED. If this
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option was enabled, a set of "safe" limits was applied in pngpriv.h. Beginning
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with libpng-1.5.22, the "safe" limits were applied by default. These can be
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overridden by application calls to png_set_user_limits(),
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png_set_user_chunk_cache_max(), and/or png_set_user_malloc_max() that increase
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or decrease the limits. Also, in libpng-1.5.10 the default width and height
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limits were increased from 1,000,000 to 0x7fffffff (i.e., made unlimited).
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Therefore, the limits are now
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default safe
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png_user_width_max 0x7fffffff 1,000,000
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png_user_height_max 0x7fffffff 1,000,000
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@ -4865,11 +4866,11 @@ control. The git repository was built from old libpng-x.y.z.tar.gz files
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going back to version 0.70. You can access the git repository (read only)
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at
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https://git.code.sf.net/p/libpng/code.git
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git://git.code.sf.net/p/libpng/code.git
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or you can browse it with a web browser by selecting the "code" button at
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https://sourceforge.net/projects/libpng/
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https://sourceforge.net/projects/libpng
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Patches can be sent to glennrp at users.sourceforge.net or to
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png-mng-implement at lists.sourceforge.net or you can upload them to
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@ -5167,7 +5168,7 @@ possible without all of you.
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Thanks to Frank J. T. Wojcik for helping with the documentation.
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Libpng version 1.5.29beta02 - April 3, 2017:
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Libpng version 1.5.29beta02 - May 22, 2017:
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Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
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Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
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@ -5192,7 +5193,7 @@ this sentence.
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This code is released under the libpng license.
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libpng versions 1.0.7, July 1, 2000, through 1.5.29beta02, April 3, 2017, are
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libpng versions 1.0.7, July 1, 2000 through 1.5.29beta02, May 22, 2017, are
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Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
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derived from libpng-1.0.6, and are distributed according to the same
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disclaimer and license as libpng-1.0.6 with the following individuals
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@ -5316,7 +5317,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
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Glenn Randers-Pehrson
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glennrp at users.sourceforge.net
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April 3, 2017
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May 22, 2017
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.\" end of man page
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