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5ac83ea47a
After the commit a4705d387f78, printf() for floating-point values causes a memory leak. The legacy _ldtoa_r() assumed the char pointer returned will be free'ed by Bfree(). However, gdtoa-based _ldtoa_r() returns the pointer returned by gdtoa() which should be free'ed by freedtoa(). Due to this issue, the caller of _ldtoa_r() fails to free the allocated char buffer. This is the cause of the said memory leak. https://cygwin.com/pipermail/cygwin/2023-July/254054.html This patch makes rv_alloc()/freedtoa() allocate/free the buffer in a compatible way with legacy _ldtoa_r(). Fixes: a4705d387f78 ("ldtoa: Import gdtoa from OpenBSD.") Reported-by: natan_b <natan_b@libero.it> Reviewed-by: Corinna Vinschen <corinna@vinschen.de> Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
20 lines
783 B
Groff
20 lines
783 B
Groff
Bug Fixes
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- Make <sys/cpuset.h> safe for c89 compilations.
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Addresses: https://cygwin.com/pipermail/cygwin-patches/2023q3/012308.html
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- Make gcc-specific code in <sys/cpuset.h> compiler-agnostic.
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Addresses: https://cygwin.com/pipermail/cygwin/2023-July/253927.html
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- Fix AT_EMPTY_PATH handling in fchmodat and fstatat if dirfd referres to
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a file other than a directory
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Addresses: https://cygwin.com/pipermail/cygwin-patches/2023q2/012306.html
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- Rename internal macros _NL_CTYPE_OUTDIGITSx_MB/WC to GLibc compatible
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_NL_CTYPE_OUTDIGITx_MB/WC.
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Addresses: https://cygwin.com/pipermail/cygwin-developers/2023-July/012637.html
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- Fix memory leak in printf() regarding gdtoa-based _ldtoa_r().
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Addresses: https://cygwin.com/pipermail/cygwin/2023-July/254054.html
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