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Diffstat (limited to 'lib/libc/gen/getpwnam.3')
-rw-r--r--lib/libc/gen/getpwnam.335
1 files changed, 16 insertions, 19 deletions
diff --git a/lib/libc/gen/getpwnam.3 b/lib/libc/gen/getpwnam.3
index 8d22c69058c..1936d38026d 100644
--- a/lib/libc/gen/getpwnam.3
+++ b/lib/libc/gen/getpwnam.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: getpwnam.3,v 1.12 2017/10/17 22:47:58 schwarze Exp $
+.\" $OpenBSD: getpwnam.3,v 1.13 2018/08/21 20:20:04 millert Exp $
.\"
.\" Copyright (c) 1988, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -27,7 +27,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd $Mdocdate: October 17 2017 $
+.Dd $Mdocdate: August 21 2018 $
.Dt GETPWNAM 3
.Os
.Sh NAME
@@ -165,12 +165,22 @@ and respects the order of both normal and YP
entries in the passwd file.
.Sh RETURN VALUES
The functions
-.Fn getpwnam
+.Fn getpwnam ,
+.Fn getpwnam_shadow ,
+.Fn getpwuid ,
and
-.Fn getpwuid
-return a pointer to a passwd structure if a match is found or a
-.Dv NULL
+.Fn getpwuid_shadow
+return a pointer to a passwd structure if a match is found or a null
pointer if no match is found or an error occurs.
+Subsequent calls to
+.Fn getpwent ,
+.Fn getpwnam ,
+.Fn getpwnam_shadow ,
+.Fn getpwuid
+or
+.Fn getpwuid_shadow
+may invalidate the returned pointer or overwrite the contents
+of the passwd structure it points to.
.Pp
The functions
.Fn getpwnam_r
@@ -279,16 +289,3 @@ and
.Fn getpwuid_shadow
in
.Ox 5.9 .
-.Sh BUGS
-The
-.Fn getpwnam
-and
-.Fn getpwuid
-functions store their results in an internal static buffer and return
-a pointer to that buffer.
-Subsequent calls to
-.Fn getpwent ,
-.Fn getpwnam ,
-or
-.Fn getpwuid
-will overwrite the same buffer.