diff options
Diffstat (limited to 'src/3rdparty/libpng/pngconf.h')
| -rw-r--r-- | src/3rdparty/libpng/pngconf.h | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/src/3rdparty/libpng/pngconf.h b/src/3rdparty/libpng/pngconf.h index d13b13e57a..5e641b2509 100644 --- a/src/3rdparty/libpng/pngconf.h +++ b/src/3rdparty/libpng/pngconf.h @@ -1,11 +1,12 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.6.34, September 29, 2017 + * libpng version 1.6.36 * - * Copyright (c) 1998-2002,2004,2006-2016 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.) + * Copyright (c) 2018 Cosmin Truta + * Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson + * Copyright (c) 1996-1997 Andreas Dilger + * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. * * This code is released under the libpng license. * For conditions of distribution and use, see the disclaimer @@ -57,14 +58,13 @@ #endif /* PNG_BUILDING_SYMBOL_TABLE */ -/* Prior to 1.6.0 it was possible to turn off 'const' in declarations using - * PNG_NO_CONST; this is no longer supported except for data declarations which - * apparently still cause problems in 2011 on some compilers. +/* Prior to 1.6.0, it was possible to turn off 'const' in declarations, + * using PNG_NO_CONST. This is no longer supported. */ #define PNG_CONST const /* backward compatibility only */ -/* This controls optimization of the reading of 16-bit and 32-bit values - * from PNG files. It can be set on a per-app-file basis - it +/* This controls optimization of the reading of 16-bit and 32-bit + * values from PNG files. It can be set on a per-app-file basis: it * just changes whether a macro is used when the function is called. * The library builder sets the default; if read functions are not * built into the library the macro implementation is forced on. @@ -127,7 +127,7 @@ * * These cases only differ if the operating system does not use the C * calling convention, at present this just means the above cases - * (x86 DOS/Windows sytems) and, even then, this does not apply to + * (x86 DOS/Windows systems) and, even then, this does not apply to * Cygwin running on those systems. * * Note that the value must be defined in pnglibconf.h so that what @@ -515,8 +515,10 @@ # error "libpng requires an unsigned 32-bit (or more) type" #endif -/* Prior to 1.6.0 it was possible to disable the use of size_t, 1.6.0, however, - * requires an ISOC90 compiler and relies on consistent behavior of sizeof. +/* Prior to 1.6.0, it was possible to disable the use of size_t and ptrdiff_t. + * From 1.6.0 onwards, an ISO C90 compiler, as well as a standard-compliant + * behavior of sizeof and ptrdiff_t are required. + * The legacy typedefs are provided here for backwards compatibility. */ typedef size_t png_size_t; typedef ptrdiff_t png_ptrdiff_t; @@ -537,13 +539,12 @@ typedef ptrdiff_t png_ptrdiff_t; # endif #endif -/* png_alloc_size_t is guaranteed to be no smaller than png_size_t, and no - * smaller than png_uint_32. Casts from png_size_t or png_uint_32 to - * png_alloc_size_t are not necessary; in fact, it is recommended not to use - * them at all so that the compiler can complain when something turns out to be - * problematic. +/* png_alloc_size_t is guaranteed to be no smaller than size_t, and no smaller + * than png_uint_32. Casts from size_t or png_uint_32 to png_alloc_size_t are + * not necessary; in fact, it is recommended not to use them at all, so that + * the compiler can complain when something turns out to be problematic. * - * Casts in the other direction (from png_alloc_size_t to png_size_t or + * Casts in the other direction (from png_alloc_size_t to size_t or * png_uint_32) should be explicitly applied; however, we do not expect to * encounter practical situations that require such conversions. * @@ -553,7 +554,7 @@ typedef ptrdiff_t png_ptrdiff_t; #ifdef PNG_SMALL_SIZE_T typedef png_uint_32 png_alloc_size_t; #else - typedef png_size_t png_alloc_size_t; + typedef size_t png_alloc_size_t; #endif /* Prior to 1.6.0 libpng offered limited support for Microsoft C compiler @@ -589,8 +590,8 @@ typedef char * png_charp; typedef const char * png_const_charp; typedef png_fixed_point * png_fixed_point_p; typedef const png_fixed_point * png_const_fixed_point_p; -typedef png_size_t * png_size_tp; -typedef const png_size_t * png_const_size_tp; +typedef size_t * png_size_tp; +typedef const size_t * png_const_size_tp; #ifdef PNG_STDIO_SUPPORTED typedef FILE * png_FILE_p; |