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-rw-r--r--examples/loadables/logname.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/examples/loadables/logname.c b/examples/loadables/logname.c
new file mode 100644
index 0000000..27e6591
--- /dev/null
+++ b/examples/loadables/logname.c
@@ -0,0 +1,74 @@
+/* logname - print login name of current user */
+
+/*
+ Copyright (C) 1999-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash.
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "builtins.h"
+#include "shell.h"
+#include "common.h"
+
+#if !defined (errno)
+extern int errno;
+#endif
+
+int
+logname_builtin (list)
+ WORD_LIST *list;
+{
+ char *np;
+
+ if (no_options (list))
+ return (EX_USAGE);
+
+ np = getlogin ();
+ if (np == 0)
+ {
+ builtin_error ("cannot find username: %s", strerror (errno));
+ return (EXECUTION_FAILURE);
+ }
+ printf ("%s\n", np);
+ return (EXECUTION_SUCCESS);
+}
+
+char *logname_doc[] = {
+ "Display user login name.",
+ "",
+ "Write the current user's login name to the standard output",
+ "and exit. logname ignores the LOGNAME and USER variables.",
+ "logname ignores any non-option arguments.",
+ (char *)NULL
+};
+
+struct builtin logname_struct = {
+ "logname",
+ logname_builtin,
+ BUILTIN_ENABLED,
+ logname_doc,
+ "logname",
+ 0
+};
+