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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-08-20 14:59:45 +1200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-08-20 15:02:06 +1200 |
| commit | e9979dff7cd21490424b9fb20c22ccd3a9c5f5ca (patch) | |
| tree | 63202f968170b33bce6340f164a96b6f6248b859 | |
| parent | 1a0dff18b26e51464411047a01914f0e5b787b93 (diff) | |
| download | man-pages-e9979dff7cd21490424b9fb20c22ccd3a9c5f5ca.tar.gz | |
readlink.2: Emphasize that truncation of returned buffer generates no error
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/readlink.2 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/man2/readlink.2 b/man2/readlink.2 index a186dab357..c64c630f6a 100644 --- a/man2/readlink.2 +++ b/man2/readlink.2 @@ -95,7 +95,7 @@ which has size .BR readlink () does not append a null byte to .IR buf . -It will truncate the contents (to a length of +It will (silently) truncate the contents (to a length of .I bufsiz characters), in case the buffer is too small to hold all of the contents. .SS readlinkat() @@ -154,6 +154,9 @@ for an explanation of the need for .SH RETURN VALUE On success, these calls return the number of bytes placed in .IR buf . +(If the returned value equals +.IR busiz , +then truncation may have occurred.) On error, \-1 is returned and .I errno is set to indicate the error. |