1 files changed, 61 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/getlogin.c b/cpukit/libcsupport/src/getlogin.c
new file mode 100644
index 0000000000..f98e7ca9e0
--- /dev/null
+++ b/cpukit/libcsupport/src/getlogin.c
@@ -0,0 +1,61 @@
+/*
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <limits.h>
+#include <string.h>
+#include <sys/types.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+#include <rtems/seterr.h>
+#include <rtems/userenv.h>
+
+#include <unistd.h>
+#include <pwd.h>
+
+/*
+ *  4.2.4 Get User Name, P1003.1b-1993, p. 87
+ *
+ *  NOTE:  P1003.1c/D10, p. 49 adds getlogin_r().
+ */
+char *getlogin( void )
+{
+  (void) getlogin_r( _POSIX_types_Getlogin_buffer, LOGIN_NAME_MAX );
+  return _POSIX_types_Getlogin_buffer;
+}
+
+/*
+ *  4.2.4 Get User Name, P1003.1b-1993, p. 87
+ *
+ *  NOTE:  P1003.1c/D10, p. 49 adds getlogin_r().
+ */
+int getlogin_r(
+  char   *name,
+  size_t  namesize
+)
+{
+  struct passwd *pw;
+  char          *pname;
+
+  if ( !name ) 
+    return EFAULT;
+
+  if ( namesize < LOGIN_NAME_MAX )
+    return ERANGE;
+
+  /* Set the pointer to a default name */
+  pname = "";
+
+  pw = getpwuid(getuid());
+  if ( pw )
+   pname = pw->pw_name;
+
+  strncpy( name, pname, LOGIN_NAME_MAX );
+  return 0;
+}