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[libpng17] Sync pngvalid.c with libpng16; update CHANGES and ANNOUNCE

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This commit is contained in:
Glenn Randers-Pehrson 2016-06-24 21:36:29 -05:00
parent d6037dcb09
commit 12c3c2e136
3 changed files with 10 additions and 5 deletions
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6
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.7.0beta82 - June 23, 2016 Libpng 1.7.0beta82 - June 24, 2016
This is not intended to be a public release. It will be replaced 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. within a few weeks by a public version or by another test version.
@ -1290,7 +1290,7 @@ Version 1.7.0beta80 [May 6, 2016]
unreachable code in pz_default_settings and eliminated a spurious unreachable code in pz_default_settings and eliminated a spurious
warning in pngcp for small files. warning in pngcp for small files.
Version 1.7.0beta81 [June 23, 2016] Version 1.7.0beta81 [June 24, 2016]
Check for CLOCK_PROCESS_CPUTIME_ID when building /contrib/libtests/timepng. Check for CLOCK_PROCESS_CPUTIME_ID when building /contrib/libtests/timepng.
Otherwise it does not build on platforms that don't supply clock_gettime(). Otherwise it does not build on platforms that don't supply clock_gettime().
Add check for clock_gettime() in Makefile.am and configure.ac Add check for clock_gettime() in Makefile.am and configure.ac
@ -1379,6 +1379,8 @@ Version 1.7.0beta81 [June 23, 2016]
previously were swapped. previously were swapped.
Avoid potential overflow of the PNG_IMAGE_SIZE macro. This macro Avoid potential overflow of the PNG_IMAGE_SIZE macro. This macro
is not used within libpng, but is used in some of the examples. is not used within libpng, but is used in some of the examples.
Version 1.7.0beta82 [June 24, 2016]
Put the SKIP definition in the correct place. It needs to come after the Put the SKIP definition in the correct place. It needs to come after the
png.h include (see all the other .c files in contrib/libtests) because it png.h include (see all the other .c files in contrib/libtests) because it
depends on PNG_LIBPNG_VER. depends on PNG_LIBPNG_VER.

5
CHANGES
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@ -5590,7 +5590,7 @@ Version 1.7.0beta80 [May 6, 2016]
unreachable code in pz_default_settings and eliminated a spurious unreachable code in pz_default_settings and eliminated a spurious
warning in pngcp for small files. warning in pngcp for small files.
Version 1.7.0beta81 [June 23, 2016] Version 1.7.0beta81 [June 24, 2016]
Check for CLOCK_PROCESS_CPUTIME_ID when building /contrib/libtests/timepng. Check for CLOCK_PROCESS_CPUTIME_ID when building /contrib/libtests/timepng.
Otherwise it does not build on platforms that don't supply clock_gettime(). Otherwise it does not build on platforms that don't supply clock_gettime().
Add check for clock_gettime() in Makefile.am and configure.ac Add check for clock_gettime() in Makefile.am and configure.ac
@ -5679,10 +5679,13 @@ Version 1.7.0beta81 [June 23, 2016]
previously were swapped. previously were swapped.
Avoid potential overflow of the PNG_IMAGE_SIZE macro. This macro Avoid potential overflow of the PNG_IMAGE_SIZE macro. This macro
is not used within libpng, but is used in some of the examples. is not used within libpng, but is used in some of the examples.
Version 1.7.0beta82 [June 24, 2016]
Put the SKIP definition in the correct place. It needs to come after the Put the SKIP definition in the correct place. It needs to come after the
png.h include (see all the other .c files in contrib/libtests) because it png.h include (see all the other .c files in contrib/libtests) because it
depends on PNG_LIBPNG_VER. depends on PNG_LIBPNG_VER.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement https://lists.sourceforge.net/lists/listinfo/png-mng-implement

4
contrib/libtests/pngvalid.c
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@ -1,7 +1,7 @@
/* pngvalid.c - validate libpng by constructing then reading png files. /* pngvalid.c - validate libpng by constructing then reading png files.
* *
* Last changed in libpng 1.6.23 [(PENDING RELEASE)] * Last changed in libpng 1.6.24 [(PENDING RELEASE)]
* Copyright (c) 2014-2016 Glenn Randers-Pehrson * Copyright (c) 2014-2016 Glenn Randers-Pehrson
* Written by John Cunningham Bowler * Written by John Cunningham Bowler
* *
@ -1589,7 +1589,7 @@ store_read_chunk(png_store *ps, png_bytep pb, const png_size_t max,
{ {
if (chunkpos < chunklen-4U) if (chunkpos < chunklen-4U)
{ {
uInt avail = -1; uInt avail = (uInt)-1;
if (avail > (IDAT_len-4U) - IDAT_pos) if (avail > (IDAT_len-4U) - IDAT_pos)
avail = (uInt)/*SAFE*/((IDAT_len-4U) - IDAT_pos); avail = (uInt)/*SAFE*/((IDAT_len-4U) - IDAT_pos);