utils-std

commit: 9923552690ca482655f69012a9de7c28c4e9545d
parent e29d36fff18b6016373a94c47fd72066096aa82f
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Wed, 27 Mar 2024 03:53:38 +0100

cmd/logname: new

Diffstat:
A
cmd/logname.1
28
++++++++++++++++++++++++++++
A
cmd/logname.c
26
++++++++++++++++++++++++++
M
coreutils.txt
2
+-
M
lsb_commands.txt
2
+-
M
posix_utilities.txt
2
+-
A
test-cmd/logname.t
9
+++++++++

6 files changed, 66 insertions(+), 3 deletions(-)
diff --git a/cmd/logname.1 b/cmd/logname.1
@@ -0,0 +1,28 @@
+.\" utils-std: Collection of commonly available Unix tools
+.\" Copyright 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
+.\" SPDX-License-Identifier: MPL-2.0
+.Dd 2024-03-27
+.Dt LOGNAME 1
+.Os
+.Sh NAME
+.Nm logname
+.Nd print user's login name
+.Sh SYNOPSIS
+.Nm
+.Sh DESCRIPTION
+.Nm
+prints the user's login name.
+Should be equivalent to
+.Cm id
+.Fl un .
+.Sh EXIT STATUS
+.Ex -std
+.Sh SEE ALSO
+.Xr getlogin 3
+.Sh STANDARDS
+.Nm
+should be compliant with the
+.St -p1003.1-2008
+specification.
+.Sh AUTHORS
+.An Haelwenn (lanodan) Monnier Aq Mt contact+utils@hacktivis.me
diff --git a/cmd/logname.c b/cmd/logname.c
@@ -0,0 +1,26 @@
+// utils-std: Collection of commonly available Unix tools
+// SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
+// SPDX-License-Identifier: MPL-2.0
+
+#define _POSIX_C_SOURCE 200809L
+#include <stdio.h>  // puts, perror
+#include <unistd.h> // getlogin
+
+int
+main(void)
+{
+	char *name = getlogin();
+	if(name == NULL)
+	{
+		perror("logname: getlogin");
+		return 1;
+	}
+
+	if(puts(name) < 0)
+	{
+		perror("puts");
+		return 1;
+	}
+
+	return 0;
+}
diff --git a/coreutils.txt b/coreutils.txt
@@ -40,7 +40,7 @@ install: No
 join: ?
 link: Done
 ln: Todo
-logname: No, POSIX
+logname: Done
 ls: ?
 md5sum: No
 mkdir: Todo
diff --git a/lsb_commands.txt b/lsb_commands.txt
@@ -67,7 +67,7 @@ ln: Todo
 locale: No
 localedef: No
 logger: Maybe
-logname: No, POSIX
+logname: Done
 lp: No
 lpr: No
 ls: ?
diff --git a/posix_utilities.txt b/posix_utilities.txt
@@ -69,7 +69,7 @@ ln
 locale
 localedef
 logger
-logname
+logname: Done
 lp: no
 ls
 m4: no
diff --git a/test-cmd/logname.t b/test-cmd/logname.t
@@ -0,0 +1,9 @@
+#!/usr/bin/env cram
+# SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
+# SPDX-License-Identifier: MPL-2.0
+
+  $ export PATH="$TESTDIR/../cmd:$PATH"
+
+  $ test "$(command -v logname)" = "$TESTDIR/../cmd/logname"
+
+  $ test "$(id -un)" = "$(logname)"