diff options
Diffstat (limited to 'libpng.3')
| -rw-r--r-- | libpng.3 | 43 |
1 files changed, 24 insertions, 19 deletions
@@ -1,6 +1,6 @@ -.TH LIBPNG 3 "August 21, 2014" +.TH LIBPNG 3 "October 23, 2014" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.6.13 +libpng \- Portable Network Graphics (PNG) Reference Library 1.6.14 .SH SYNOPSIS \fB #include <png.h>\fP @@ -504,7 +504,7 @@ 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 1.6.13 - August 21, 2014 + libpng version 1.6.14 - October 23, 2014 Updated and distributed by Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Copyright (c) 1998-2014 Glenn Randers-Pehrson @@ -515,7 +515,7 @@ libpng-manual.txt - A description on how to use and modify libpng Based on: - libpng versions 0.97, January 1998, through 1.6.13 - August 21, 2014 + libpng versions 0.97, January 1998, through 1.6.14 - October 23, 2014 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson @@ -3765,7 +3765,7 @@ tEXt chunk use RFC 1123 format dates (e.g. "22 May 1997 18:07:10 GMT"), although this isn't a requirement. Unlike the tIME chunk, the "Creation Time" tEXt chunk is not expected to be automatically changed by the software. To facilitate the use of RFC 1123 dates, a function -png_convert_to_rfc1123_buffer(png_ptr, buffer, png_timep) is provided to +png_convert_to_rfc1123_buffer(buffer, png_timep) is provided to convert from PNG time to an RFC 1123 format string. The caller must provide a writeable buffer of at least 29 bytes. @@ -5727,12 +5727,15 @@ We mark all non-exported functions with "/* PRIVATE */"": } The prototypes for non-exported functions (except for those in -pngtest) appear in -pngpriv.h -above the comment that says +pngtest) appear in pngpriv.h above the comment that says /* Maintainer: Put new private prototypes here ^ */ +To avoid polluting the global namespace, the names of all exported +functions and variables begin with "png_", and all publicly visible C +preprocessor macros begin with "PNG". We request that applications that +use libpng *not* begin any of their own symbols with either of these strings. + We put a space after the "sizeof" operator and we omit the optional parentheses around its argument when the argument is an expression, not a type name, and we always enclose the @@ -5744,10 +5747,8 @@ sizeof operator, with its argument, in parentheses: Prior to libpng-1.6.0 we used a "png_sizeof()" macro, formatted as though it were a function. -To avoid polluting the global namespace, the names of all exported -functions and variables begin with "png_", and all publicly visible C -preprocessor macros begin with "PNG". We request that applications that -use libpng *not* begin any of their own symbols with either of these strings. +Control keywords if, for, while, and switch are always followed by a space +to distinguish them from function calls, which have no trailing space. We put a space after each comma and after each semicolon in "for" statements, and we put spaces before and after each @@ -5780,13 +5781,13 @@ Other rules can be inferred by inspecting the libpng source. .SH XVI. Y2K Compliance in libpng -August 21, 2014 +October 23, 2014 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.6.13 are Y2K compliant. It is my belief that earlier +upward through 1.6.14 are Y2K compliant. It is my belief that earlier versions were also Y2K compliant. Libpng only has two year fields. One is a 2-byte unsigned integer @@ -5802,8 +5803,9 @@ in libpng-1.6.x and will be removed from libpng-1.7.0. There are seven time-related functions: - png_convert_to_rfc_1123() in png.c - (formerly png_convert_to_rfc_1152() in error) + png_convert_to_rfc_1123_buffer() in png.c + (formerly png_convert_to_rfc_1152() in error, and + also formerly png_convert_to_rfc_1123()) png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c png_convert_from_time_t() in pngwrite.c @@ -6028,6 +6030,9 @@ the first widely used release: 1.6.13beta01-04 16 10613 16.so.16.13[.0] 1.6.13rc01-02 16 10613 16.so.16.13[.0] 1.6.13 16 10613 16.so.16.13[.0] + 1.6.14beta01-07 16 10614 16.so.16.14[.0] + 1.6.14rc01-02 16 10614 16.so.16.14[.0] + 1.6.14 16 10614 16.so.16.14[.0] Henceforth the source version will match the shared-library minor and patch numbers; the shared-library major version number will be @@ -6084,7 +6089,7 @@ possible without all of you. Thanks to Frank J. T. Wojcik for helping with the documentation. -Libpng version 1.6.13 - August 21, 2014: +Libpng version 1.6.14 - October 23, 2014: Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). @@ -6107,7 +6112,7 @@ this sentence. This code is released under the libpng license. -libpng versions 1.2.6, August 15, 2004, through 1.6.13, August 21, 2014, are +libpng versions 1.2.6, August 15, 2004, through 1.6.14, October 23, 2014, are Copyright (c) 2004,2006-2014 Glenn Randers-Pehrson, and are distributed according to the same disclaimer and license as libpng-1.2.5 with the following individual added to the list of Contributing Authors @@ -6206,7 +6211,7 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -August 21, 2014 +October 23, 2014 .\" end of man page |