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pngimage: The code simply exited with a return code of 99 in the event of a user error including giving pngimage invalid PNG files and an internal error. It now attempts to clean up the state before doing so, matching the normal behaviour. pngimage: Non-ISO use of setjmp(3) corrected. pngerror.c: Failure to call png_image_free on a false result from a png_safe_execute function call fixed. This was a regression caused by the 'volatile' clean-up. Not normally detectable because png_image_free will often be called by the application. Reviewed-by: Cosmin Truta <ctruta@gmail.com> Signed-off-by: John Bowler <jbowler@acm.org> Signed-off-by: Cosmin Truta <ctruta@gmail.com>
External contributions to libpng -------------------------------- This "contrib" directory contains contributions which are not necessarily under the libpng license, although all are open source. They are not part of libpng proper and are not used for building the library, although some are used for testing the library via "make check".