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readlink null termination problem
- From: "peter garrone" <pgarrone at linuxmail dot org>
- To: cygwin at cygwin dot com
- Date: Tue, 06 Jan 2004 08:17:14 +0800
- Subject: readlink null termination problem
I was having a problem with mkcramfs on cygwin creating symbolic links
for the compressed linux filesystem.
mkcramfs uses malloc to allocate a buffer that it sends to the readlink function in cygwin path.cc
That function uses memcpy to do a copy of the link into a buffer.
Neither mkcramfs or readlink is null-terminating the string representing the link.
Probably both are at fault. I have fixed my problem by zeroing the buffer in mkcramfs
before calling readlink, but it would probably be beneficial if readlink terminates
the returned string, if there is room.
--
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