1 files changed, 42 insertions, 0 deletions
diff --git a/gl/strerror-impl.h b/gl/strerror-impl.h
new file mode 100644
index 0000000000..a2042433cc
--- /dev/null
+++ b/gl/strerror-impl.h
@@ -0,0 +1,42 @@
+/* strerror-impl.h --- Implementation of POSIX compatible strerror() function.
+
+   Copyright (C) 2007-2011 Free Software Foundation, Inc.
+
+   This program 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.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef STATIC
+STATIC
+#endif
+char *
+strerror (int n)
+{
+  static char buf[256];
+
+  int ret = strerror_r (n, buf, sizeof (buf));
+
+  if (ret == 0)
+    return buf;
+
+  if (ret == ERANGE)
+    /* If this happens, increase the size of buf.  */
+    abort ();
+
+  {
+    static char const fmt[] = "Unknown error (%d)";
+    verify (sizeof (buf) >= sizeof (fmt) + INT_STRLEN_BOUND (n));
+    sprintf (buf, fmt, n);
+    errno = ret;
+    return buf;
+  }
+}