[libpng16] Imported from libpng-1.6.32rc01.tarv1.6.32rc01

26 files changed, 82 insertions, 71 deletions

diff --git a/ANNOUNCE b/ANNOUNCE
index 7789cc045..0a5e3ed7d 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.32beta12 - August 11, 2017
+Libpng 1.6.32rc01 - August 18, 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.
@@ -8,20 +8,20 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.6.32beta12.tar.xz (LZMA-compressed, recommended)
-   1.6.32beta12.tar.gz
+   1.6.32rc01.tar.xz (LZMA-compressed, recommended)
+   1.6.32rc01.tar.gz
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp1632b12.7z  (LZMA-compressed, recommended)
-   lp1632b12.zip
+   lp1632r01.7z  (LZMA-compressed, recommended)
+   lp1632r01.zip
 
 Other information:
 
-   1.6.32beta12-README.txt
-   1.6.32beta12-LICENSE.txt
-   libpng-1.6.32beta12-*.asc (armored detached GPG signatures)
+   1.6.32rc01-README.txt
+   1.6.32rc01-LICENSE.txt
+   libpng-1.6.32rc01-*.asc (armored detached GPG signatures)
 
 Changes since the last public release (1.6.31):
 
@@ -94,11 +94,12 @@ Version 1.6.32beta11 [August 7, 2017]
     after the keyword has been read.
   Check that the eXIf chunk has at least 2 bytes and begins with "II" or "MM".
 
-Version 1.6.32beta12 [August 11, 2017]
+Version 1.6.32rc01 [August 18, 2017]
   Added a set of "huge_xxxx_chunk.png" files to contrib/testpngs/crashers,
     one for each known chunk type, with length = 2GB-1.
-  Check for 0 return from png_get_rowbytes() in contrib/pngminus/*.c to stop
-    some Coverity issues (162705, 162706, and 162707).
+  Check for 0 return from png_get_rowbytes() and added some (size_t) typecasts
+    in contrib/pngminus/*.c to stop some Coverity issues (162705, 162706,
+    and 162707).
   Renamed chunks in contrib/testpngs/crashers to avoid having files whose
     names differ only in case; this causes problems with some platforms
     (github issue #172).
diff --git a/CHANGES b/CHANGES
index fd6465c2f..4cab9aa80 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5977,11 +5977,12 @@ Version 1.6.32beta11 [August 7, 2017]
     after the keyword has been read.
   Check that the eXIf chunk has at least 2 bytes and begins with "II" or "MM".
 
-Version 1.6.32beta12 [August 11, 2017]
+Version 1.6.32rc01 [August 18, 2017]
   Added a set of "huge_xxxx_chunk.png" files to contrib/testpngs/crashers,
     one for each known chunk type, with length = 2GB-1.
-  Check for 0 return from png_get_rowbytes() in contrib/pngminus/*.c to stop
-    some Coverity issues (162705, 162706, and 162707).
+  Check for 0 return from png_get_rowbytes() and added some (size_t) typecasts
+    in contrib/pngminus/*.c to stop some Coverity issues (162705, 162706,
+    and 162707).
   Renamed chunks in contrib/testpngs/crashers to avoid having files whose
     names differ only in case; this causes problems with some platforms
     (github issue #172).
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0cfefb3dc..b3f785e85 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -844,7 +844,7 @@ endif(NOT WIN32 OR CYGWIN OR MINGW)
 # SET UP LINKS
 if(PNG_SHARED)
   set_target_properties(png PROPERTIES
-#   VERSION 16.${PNGLIB_RELEASE}.1.6.32beta12
+#   VERSION 16.${PNGLIB_RELEASE}.1.6.32rc01
     VERSION 16.${PNGLIB_RELEASE}.0
     SOVERSION 16
     CLEAN_DIRECT_OUTPUT 1)
diff --git a/LICENSE b/LICENSE
index cdb949c63..06b979051 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000 through 1.6.32beta12, August 7, 2017 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.32rc01, August 18, 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
diff --git a/README b/README
index f52c8b881..8bab9589d 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.6.32beta12 - August 7, 2017 (shared library 16.0)
+README for libpng version 1.6.32rc01 - August 18, 2017 (shared library 16.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/configure.ac b/configure.ac
index 0162e37cc..b1cada4b7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ AC_PREREQ([2.68])
 
 dnl Version number stuff here:
 
-AC_INIT([libpng],[1.6.32beta12],[png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng],[1.6.32rc01],[png-mng-implement@lists.sourceforge.net])
 AC_CONFIG_MACRO_DIR([scripts])
 
 # libpng does not follow GNU file name conventions (hence 'foreign')
@@ -46,7 +46,7 @@ dnl automake, so the following is not necessary (and is not defined anyway):
 dnl AM_PREREQ([1.11.2])
 dnl stop configure from automagically running automake
 
-PNGLIB_VERSION=1.6.32beta12
+PNGLIB_VERSION=1.6.32rc01
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=6
 PNGLIB_RELEASE=32
diff --git a/contrib/pngminus/png2pnm.c b/contrib/pngminus/png2pnm.c
index 64f287c29..39a9f4673 100644
--- a/contrib/pngminus/png2pnm.c
+++ b/contrib/pngminus/png2pnm.c
@@ -323,21 +323,21 @@ BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file,
   /* row_bytes is the width x number of channels x (bit-depth / 8) */
   row_bytes = png_get_rowbytes (png_ptr, info_ptr);
 
-  if ((row_bytes == 0 || (size_t)height > ((size_t)(-1))/(size_t)row_bytes)
+  if ((row_bytes == 0 || (size_t)height > ((size_t)(-1))/(size_t)row_bytes))
   {
     /* too big */ 
     png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
     return FALSE;
   }
   if ((png_pixels = (png_byte *)
-     malloc (row_bytes * height * sizeof (png_byte))) == NULL)
+     malloc ((size_t)row_bytes * (size_t)height * sizeof (png_byte))) == NULL)
   {
     png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
     return FALSE;
   }
 
   if ((row_pointers = (png_byte **)
-     malloc (height * sizeof (png_bytep))) == NULL)
+     malloc ((size_t)height * sizeof (png_bytep))) == NULL)
   {
     png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
     free (png_pixels);
@@ -443,6 +443,7 @@ BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file,
   if (png_pixels != (unsigned char*) NULL)
     free (png_pixels);
 
+  PNG_UNUSED(raw) /* to quiet a Coverity defect */
   return TRUE;
 
 } /* end of source */
diff --git a/contrib/pngminus/pnm2png.c b/contrib/pngminus/pnm2png.c
index ebfcad17e..1b550b8cf 100644
--- a/contrib/pngminus/pnm2png.c
+++ b/contrib/pngminus/pnm2png.c
@@ -1,10 +1,12 @@
 /*
  *  pnm2png.c --- conversion from PBM/PGM/PPM-file to PNG-file
- *  copyright (C) 1999 by Willem van Schaik <willem at schaik.com>
+ *  copyright (C) 1999,2015,2017 by Willem van Schaik <willem at schaik.com>
  *
  *  version 1.0 - 1999.10.15 - First version.
  *  version 1.1 - 2015.07.29 - Fixed leaks (Glenn Randers-Pehrson)
  *  version 1.2 - 2017.04.22 - Add buffer-size check
+ *          1.3 - 2017.08.24 - Fix potential overflow in buffer-size check
+ *                             (Glenn Randers-Pehrson)
  *
  *  Permission to use, copy, modify, and distribute this software and
  *  its documentation for any purpose and without fee is hereby granted,
@@ -371,10 +373,12 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
     row_bytes = (width * channels * bit_depth + 7) / 8;
   else
 #endif
-    /* row_bytes is the width x number of channels x (bit-depth / 8) */
+  /* row_bytes is the width x number of channels x (bit-depth / 8) */
     row_bytes = width * channels * ((bit_depth <= 8) ? 1 : 2);
 
-  if (!row_bytes || height > ((size_t)(-1))/row_bytes) /* too big */ {
+  if ((row_bytes == 0 || (size_t)height > ((size_t)(-1))/(size_t)row_bytes)
+  {
+    /* too big */ 
     return FALSE;
   }
   if ((png_pixels = (png_byte *)
@@ -387,7 +391,8 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
   for (row = 0; row < (int) height; row++)
   {
 #if defined(PNG_WRITE_INVERT_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED)
-    if (packed_bitmap) {
+    if (packed_bitmap)
+    {
       for (i = 0; i < (int) row_bytes; i++)
         /* png supports this format natively so no conversion is needed */
         *pix_ptr++ = get_data (pnm_file, 8);
@@ -508,6 +513,8 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
   if (png_pixels != (unsigned char*) NULL)
     free (png_pixels);
 
+  PNG_UNUSED(raw) /* Quiet a Coverity defect */
+
   return TRUE;
 } /* end of pnm2png */
 
@@ -524,7 +531,8 @@ void get_token(FILE *pnm_file, char *token)
   do
   {
     ret = fgetc(pnm_file);
-    if (ret == '#') {
+    if (ret == '#')
+    {
       /* the rest of this line is a comment */
       do
       {
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 8e533b88c..2bed5f041 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.32beta12 - August 7, 2017
+ libpng version 1.6.32rc01 - August 18, 2017
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2017 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 1.6.32beta12 - August 7, 2017
+ libpng versions 0.97, January 1998, through 1.6.32rc01 - August 18, 2017
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2017 Glenn Randers-Pehrson
 
@@ -5405,7 +5405,7 @@ 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 1.6.32beta12 are Y2K compliant.  It is my belief that earlier
+upward through 1.6.32rc01 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
diff --git a/libpng.3 b/libpng.3
index 53b46bb5c..1fba69892 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "August 7, 2017"
+.TH LIBPNG 3 "August 18, 2017"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.32beta12
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.32rc01
 .SH SYNOPSIS
 \fB
 #include <png.h>\fP
@@ -518,7 +518,7 @@ 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 1.6.32beta12 - August 7, 2017
+ libpng version 1.6.32rc01 - August 18, 2017
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2017 Glenn Randers-Pehrson
@@ -529,7 +529,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.32beta12 - August 7, 2017
+ libpng versions 0.97, January 1998, through 1.6.32rc01 - August 18, 2017
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2017 Glenn Randers-Pehrson
 
@@ -5923,7 +5923,7 @@ 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 1.6.32beta12 are Y2K compliant.  It is my belief that earlier
+upward through 1.6.32rc01 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
@@ -6081,7 +6081,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.6.32beta12 - August 7, 2017:
+Libpng version 1.6.32rc01 - August 18, 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).
 
@@ -6106,7 +6106,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000 through 1.6.32beta12, August 7, 2017 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.32rc01, August 18, 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
@@ -6234,7 +6234,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 7, 2017
+August 18, 2017
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 1ecd48472..e5af3c6d4 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
 .TH LIBPNGPF 3 "April 1, 2017"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.32beta12
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.32rc01
 (private functions)
 .SH SYNOPSIS
 \fB\fB#include \fI\fI"pngpriv.h"
diff --git a/png.c b/png.c
index 1c4107d9f..1a5888c7b 100644
--- a/png.c
+++ b/png.c
@@ -14,7 +14,7 @@
 #include "pngpriv.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_6_32beta12 Your_png_h_is_not_version_1_6_32beta12;
+typedef png_libpng_version_1_6_32rc01 Your_png_h_is_not_version_1_6_32rc01;
 
 #ifdef __GNUC__
 /* The version tests may need to be added to, but the problem warning has
@@ -816,14 +816,14 @@ png_get_copyright(png_const_structrp png_ptr)
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-      "libpng version 1.6.32beta12 - August 7, 2017" PNG_STRING_NEWLINE \
+      "libpng version 1.6.32rc01 - August 18, 2017" PNG_STRING_NEWLINE \
       "Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \
       PNG_STRING_NEWLINE \
       "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
       "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
       PNG_STRING_NEWLINE;
 #  else
-   return "libpng version 1.6.32beta12 - August 7, 2017\
+   return "libpng version 1.6.32rc01 - August 18, 2017\
       Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\
       Copyright (c) 1996-1997 Andreas Dilger\
       Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
diff --git a/png.h b/png.h
index 89a78e599..77370f685 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.6.32beta12, August 7, 2017
+ * libpng version 1.6.32rc01, August 18, 2017
  *
  * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -12,7 +12,7 @@
  * Authors and maintainers:
  *   libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *   libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
- *   libpng versions 0.97, January 1998, through 1.6.32beta12, August 7, 2017:
+ *   libpng versions 0.97, January 1998, through 1.6.32rc01, August 18, 2017:
  *     Glenn Randers-Pehrson.
  *   See also "Contributing Authors", below.
  */
@@ -25,7 +25,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.0.7, July 1, 2000 through 1.6.32beta12, August 7, 2017 are
+ * libpng versions 1.0.7, July 1, 2000 through 1.6.32rc01, August 18, 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
@@ -241,13 +241,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    August 7, 2017
+ *    August 18, 2017
  *
  *    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 1.6.32beta12 are Y2K compliant.  It is my belief that
+ *    upward through 1.6.32rc01 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
@@ -309,8 +309,8 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.6.32beta12"
-#define PNG_HEADER_VERSION_STRING " libpng version 1.6.32beta12 - August 7, 2017\n"
+#define PNG_LIBPNG_VER_STRING "1.6.32rc01"
+#define PNG_HEADER_VERSION_STRING " libpng version 1.6.32rc01 - August 18, 2017\n"
 
 #define PNG_LIBPNG_VER_SONUM   16
 #define PNG_LIBPNG_VER_DLLNUM  16
@@ -324,7 +324,7 @@
  * PNG_LIBPNG_VER_STRING, omitting any leading zero:
  */
 
-#define PNG_LIBPNG_VER_BUILD  12
+#define PNG_LIBPNG_VER_BUILD  01
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -341,7 +341,7 @@
 #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
                                        PNG_LIBPNG_BUILD_PRIVATE */
 
-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
+#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_RC
 
 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
  * We must not include leading zeros.
@@ -459,7 +459,7 @@ extern "C" {
 /* This triggers a compiler error in png.c, if png.c and png.h
  * do not agree upon the version number.
  */
-typedef char* png_libpng_version_1_6_32beta12;
+typedef char* png_libpng_version_1_6_32rc01;
 
 /* Basic control structions.  Read libpng-manual.txt or libpng.3 for more info.
  *
diff --git a/pngconf.h b/pngconf.h
index 974fbc68f..6b9a733f4 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.6.32beta12, August 7, 2017
+ * libpng version 1.6.32rc01, August 18, 2017
  *
  * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngtest.c b/pngtest.c
index 0adb744b1..1e90289a0 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -2153,4 +2153,4 @@ main(void)
 #endif
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_6_32beta12 Your_png_h_is_not_version_1_6_32beta12;
+typedef png_libpng_version_1_6_32rc01 Your_png_h_is_not_version_1_6_32rc01;
diff --git a/projects/vstudio/README.txt b/projects/vstudio/README.txt
index af10997e0..a3e644b33 100644
--- a/projects/vstudio/README.txt
+++ b/projects/vstudio/README.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.6.32beta12 - August 7, 2017
+libpng version 1.6.32rc01 - August 18, 2017
 
 Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index fa2fa7ffb..6e828b8e9 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.6.32beta12 - August 7, 2017
+ * libpng version 1.6.32rc01 - August 18, 2017
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 80eb73bfa..8fe4de76f 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,11 +1,11 @@
 
-Makefiles for  libpng version 1.6.32beta12 - August 7, 2017
+Makefiles for  libpng version 1.6.32rc01 - August 18, 2017
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng16.so.16.1.6.32beta12)
+                       (gcc, creates libpng16.so.16.1.6.32rc01)
  makefile.linux-opt=>  Linux/ELF makefile with hardware optimizations on
-                       (gcc, creates libpng16.so.16.1.6.32beta12)
+                       (gcc, creates libpng16.so.16.1.6.32rc01)
  makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
  makefile.knr      =>  Archaic UNIX Makefile that converts files with
                        ansi2knr (Requires ansi2knr.c from
@@ -35,12 +35,12 @@ pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.os2      =>  OS/2 Makefile (gcc and emx, requires libpng.def)
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng16.so.16.1.6.32beta12)
+                       creates libpng16.so.16.1.6.32rc01)
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng16.so.16.1.6.32beta12)
+                       creates libpng16.so.16.1.6.32rc01)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng16.so.16.1.6.32beta12)
+                       creates libpng16.so.16.1.6.32rc01)
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.sunos    =>  Sun makefile
  makefile.32sunu   =>  Sun Ultra 32-bit makefile
diff --git a/scripts/def.c b/scripts/def.c
index a78668ca5..f9f102c02 100644
--- a/scripts/def.c
+++ b/scripts/def.c
@@ -21,7 +21,7 @@ PNG_DFN "OS2 DESCRIPTION "PNG image compression library""
 PNG_DFN "OS2 CODE PRELOAD MOVEABLE DISCARDABLE"
 PNG_DFN ""
 PNG_DFN "EXPORTS"
-PNG_DFN ";Version 1.6.32beta12"
+PNG_DFN ";Version 1.6.32rc01"
 
 #define PNG_EXPORTA(ordinal, type, name, args, attributes)\
         PNG_DFN "@" SYMBOL_PREFIX "@@" name "@"
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 5913515e3..b090b6b7a 100644
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -11,7 +11,7 @@
 
 # Modeled after libxml-config.
 
-version=1.6.32beta12
+version=1.6.32rc01
 prefix=""
 libdir=""
 libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index 5c51a761f..717f5341f 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng16
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.6.32beta12
+Version: 1.6.32rc01
 Libs: -L${libdir} -lpng16
 Cflags: -I${includedir}
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 162fc65eb..ce43d7455 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng16
 
 LIB=	png16
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.6.32beta12
+SHLIB_MINOR=	1.6.32rc01
 SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 	pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd
index 56fdaf2ff..37e5f4fff 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
 
 LIB=	png
 SHLIB_MAJOR=	16
-SHLIB_MINOR=	1.6.32beta12
+SHLIB_MINOR=	1.6.32rc01
 SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 	pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index 4cf614292..49d3afffe 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -11,7 +11,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	16
-SHLIB_MINOR=	1.6.32beta12
+SHLIB_MINOR=	1.6.32rc01
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index a6f88e561..3761898be 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -1,8 +1,8 @@
-/* libpng 1.6.32beta12 STANDARD API DEFINITION */
+/* libpng 1.6.32rc01 STANDARD API DEFINITION */
 
 /* pnglibconf.h - library build configuration */
 
-/* Libpng version 1.6.32beta12 - August 7, 2017 */
+/* Libpng version 1.6.32rc01 - August 18, 2017 */
 
 /* Copyright (c) 1998-2017 Glenn Randers-Pehrson */
 
diff --git a/scripts/symbols.def b/scripts/symbols.def
index 386c8ffd6..a16bbe08c 100644
--- a/scripts/symbols.def
+++ b/scripts/symbols.def
@@ -1,4 +1,4 @@
-;Version 1.6.32beta12
+;Version 1.6.32rc01
 ;--------------------------------------------------------------
 ; LIBPNG symbol list as a Win32 DEF file
 ; Contains all the symbols that can be exported from libpng