1 files changed, 66 insertions, 0 deletions
diff --git a/src/err.c b/src/err.c
new file mode 100644
index 0000000..db0b87a
--- /dev/null
+++ b/src/err.c
@@ -0,0 +1,66 @@
+/* This file is part of GDBM, the GNU data base manager.
+   Copyright (C) 2011, 2013 Free Software Foundation, Inc.
+
+   GDBM 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, or (at your option)
+   any later version.
+
+   GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>.   */
+
+# include "autoconf.h"
+# include "gdbm.h"
+# include "gdbmapp.h"
+# include <stdio.h>
+# include <errno.h>
+# include <string.h>
+
+static void
+prerror (const char *fmt, va_list ap, const char *diag)
+{
+  fprintf (stderr, "%s: ", progname);
+  vfprintf (stderr, fmt, ap);
+  if (diag)
+    fprintf (stderr, ": %s", diag);
+  fputc ('\n', stderr);
+}
+
+void
+verror (const char *fmt, va_list ap)
+{
+  prerror (fmt, ap, NULL);
+}
+
+void
+error (const char *fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  verror (fmt, ap);
+  va_end (ap);
+}
+
+void
+sys_perror (int code, const char *fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  prerror (fmt, ap, strerror (code));
+  va_end (ap);
+}
+
+void
+gdbm_perror (const char *fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  prerror (fmt, ap, gdbm_strerror (gdbm_errno));
+  va_end (ap);
+}
+