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[libpng16] Added "tunknown" test and corrected a logic error in

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png_handle_unknown() when SAVE support is absent.  Moved the shell test
scripts for contrib/libtests from the libpng top directory to contrib/libtests.
png_handle_unknown() must always read or skip the chunk, if
SAVE_UNKNOWN_CHUNKS is turned off *and* the application does not set
a user callback an unknown chunk will not be read, leading to a read
error, which was revealed by the "tunknown" test.
This commit is contained in:
John Bowler
2012-08-17 15:30:29 -05:00
committed by Glenn Randers-Pehrson
parent 3c1f6983c5
commit d0eef28ee1
10 changed files with 138 additions and 36 deletions
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@@ -4213,6 +4213,13 @@ Version 1.6.0beta28 [August 17, 2012]
unsafe-to-copy chunks which were dropped before) and eliminates the
repositioning of vpAg and sTER in pngtest.png by changing pngtest.png
(so the chunks are where libpng would put them).
Added "tunknown" test and corrected a logic error in png_handle_unknown()
when SAVE support is absent. Moved the shell test scripts for
contrib/libtests from the libpng top directory to contrib/libtests.
png_handle_unknown() must always read or skip the chunk, if
SAVE_UNKNOWN_CHUNKS is turned off *and* the application does not set
a user callback an unknown chunk will not be read, leading to a read
error, which was revealed by the "tunknown" test.
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