initial import

stdio/perror.c

@@ -0,0 +1,42 @@
+/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stdio.h>
+#include <errno.h>
+
+extern char *_strerror_internal __P ((int, char buf[1024]));
+
+/* Print a line on stderr consisting of the text in S, a colon, a space,
+   a message describing the meaning of the contents of `errno' and a newline.
+   If S is NULL or "", the colon and space are omitted.  */
+void
+DEFUN(perror, (s), register CONST char *s)
+{
+  char buf[1024];
+  int errnum = errno;
+  CONST char *colon;
+
+  if (s == NULL || *s == '\0')
+    s = colon = "";
+  else
+    colon = ": ";
+
+  (void) fprintf (stderr, "%s%s%s\n",
+		  s, colon, _strerror_internal (errnum, buf));
+}