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41e61aad
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2009-09-21T14:07:44
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test-symlinkat: enhance test
* tests/test-readlink.c (main): Move guts...
* tests/test-readlink.h (test_readlink): ...into new file.
* tests/test-symlink.c (main): Move guts...
* tests/test-symlink.h (test_symlink): ...into new file.
* tests/test-symlinkat.c (main): Use new files for further
coverage.
(do_symlink, do_readlink): New helper functions.
* modules/symlink-tests (Files): Ship new file.
(Depends-on): Add stdbool.
* modules/readlink-tests (Files): Ship new file.
(Depends-on): Add stdbool.
* modules/symlinkat-tests (Files): Use new files.
Signed-off-by: Eric Blake <ebb9@byu.net>
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0510d19e
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2009-09-21T14:40:20
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readlink: document portability issue with symlink length
Per comments in areadlink, ERANGE on a too-small buffer is
expected on some platforms; making the readlink module guarantee
GNU behavior of truncated contents is counter-productive, since
we would be duplicating areadlink to learn a-priori how large to
make the buffer, and since truncated contents are not as useful.
* doc/posix-functions/lstat.texi (lstat): Mention that some file
systems have bogus st_size on symlinks, and mention the
areadlink-with-size module.
* doc/posix-functions/fstatat.texi (fstatat): Likewise.
* doc/posix-functions/readlink.texi (readlink): Mention the
areadlink module, and ERANGE failure.
* doc/posix-functions/readlinkat.texi (readlinkat): Likewise.
* tests/test-readlink.c (main): Relax test for AIX, HP-UX.
Signed-off-by: Eric Blake <ebb9@byu.net>
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5835d9b5
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2009-09-22T17:15:04
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readlink: fix Solaris 9 bug with trailing slash
readlink("link/",buf,len) mistakenly succeeded.
* lib/readlink.c (rpl_readlink): Work around trailing slash bug.
* m4/readlink.m4 (gl_FUNC_READLINK): Detect the bug.
* doc/posix-functions/readlink.texi (readlink): Document this.
* modules/readlink-tests: New test.
* tests/test-readlink.c: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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