diff options
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 7a7806d121c..01883db9ce5 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. */ |