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| author | Bruno Haible <bruno@clisp.org> | 2011-04-09 18:38:04 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2011-04-09 18:38:04 +0200 |
| commit | 66a236773eb7d9706db907339c65791355083a3d (patch) | |
| tree | 6db35966c503cbc4d00fd0dd2b84acbb8ccc231e /lib/careadlinkat.c | |
| parent | de128af79887d5dd55b5f0f693a53228122c2b98 (diff) | |
| download | gnulib-66a236773eb7d9706db907339c65791355083a3d.tar.gz | |
careadlinkat: Clarify specification.
* lib/careadlinkat.h (careadlinkat): Clarify preadlinkat argument.
(careadlinkatcwd): Add comment.
* lib/careadlinkat.c (careadlinkat): Clarify preadlinkat argument.
Diffstat (limited to 'lib/careadlinkat.c')
| -rw-r--r-- | lib/careadlinkat.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/careadlinkat.c b/lib/careadlinkat.c index 7a7806d121..01883db9ce 100644 --- a/lib/careadlinkat.c +++ b/lib/careadlinkat.c @@ -65,7 +65,10 @@ careadlinkatcwd (int fd, char const *filename, char *buffer, the returned value if it is nonnull and is not BUFFER. A null ALLOC stands for the standard allocator. - The PREADLINKAT function specifies how to read links. + The PREADLINKAT function specifies how to read links. It operates + like POSIX readlinkat() + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html> + but can assume that its first argument is the same as FD. If successful, return the buffer address; otherwise return NULL and set errno. */ |