--- /dev/null
+/*****************************************************************************
+ * error.c: POSIX error messages formatting
+ *****************************************************************************
+ * Copyright © 2013 Rémi Denis-Courmont
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <string.h>
+#include <locale.h>
+
+#include <vlc_common.h>
+
+static const char *vlc_strerror_l(int errnum, const char *lname)
+{
+ locale_t loc = newlocale(LC_MESSAGES_MASK, lname, (locale_t)0);
+ const char *buf = strerror_l(errnum, loc);
+
+ freelocale(loc);
+ return buf;
+}
+
+/**
+ * Formats an error message in the current locale.
+ * @param errnum error number (as in errno.h)
+ * @return A string pointer, valid until the next call to a function of the
+ * strerror() family in the same thread. This function cannot fail.
+ */
+const char *vlc_strerror(int errnum)
+{
+ /* We cannot simply use strerror() here, since it is not thread-safe. */
+ return vlc_strerror_l(errnum, "");
+}
+
+/**
+ * Formats an error message in the POSIX/C locale (i.e. American English).
+ * @param errnum error number (as in errno.h)
+ * @return A string pointer, valid until the next call to a function of the
+ * strerror() family in the same thread. This function cannot fail.
+ */
+const char *vlc_strerror_c(int errnum)
+{
+ return vlc_strerror_l(errnum, "C");
+}