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authorMark Adler <git@madler.net>2026-01-03 01:07:40 -0600
committerMark Adler <git@madler.net>2026-01-05 15:03:04 -0600
commitfd366384cf324d750596feb03be44ddf4d1e6acd (patch)
tree0c1d8eaa0538f8681ae0ce7a4e02ba71ff07d4fd /doc
parentcab7352dc71048f130a7d4e0b7fd773909761133 (diff)
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Prevent the use of insecure functions without an explicit request.
ZLIB_INSECURE must be defined in order to compile code that uses the insecure functions vsprintf() or sprintf(). This would occur only if the standard vsnprintf() or snprintf() functions are not available. Providing the --insecure option to ./configure will define ZLIB_INSECURE. A flag is added to zlibCompileFlags() to indicate that gzprintf() is not implemented due to the need for the use of an insecure function, but ZLIB_INSECURE was not defined.
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