1 files changed, 69 insertions, 0 deletions
diff --git a/libotr/libgpg-error-1.42/src/code-from-errno.c b/libotr/libgpg-error-1.42/src/code-from-errno.c
new file mode 100644
index 0000000..6064270
--- /dev/null
+++ b/libotr/libgpg-error-1.42/src/code-from-errno.c
@@ -0,0 +1,69 @@
+/* code-from-errno.c - Mapping errnos to error codes.
+   Copyright (C) 2003 g10 Code GmbH
+
+   This file is part of libgpg-error.
+
+   libgpg-error 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.
+
+   libgpg-error 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 libgpg-error; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+
+#include <gpg-error.h>
+
+#include "code-from-errno.h"
+
+/* Retrieve the error code for the system error ERR.  This returns
+   GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report
+   this).  */
+gpg_err_code_t
+_gpg_err_code_from_errno (int err)
+{
+  int idx;
+
+  if (!err)
+    return GPG_ERR_NO_ERROR;
+
+  idx = errno_to_idx (err);
+
+  if (idx < 0)
+    return GPG_ERR_UNKNOWN_ERRNO;
+
+  return GPG_ERR_SYSTEM_ERROR | err_code_from_index[idx];
+}
+
+
+/* Retrieve the error code directly from the ERRNO variable.  This
+   returns GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped
+   (report this) and GPG_ERR_MISSING_ERRNO if ERRNO has the value 0. */
+gpg_err_code_t
+_gpg_err_code_from_syserror (void)
+{
+  int err = errno;
+  int idx;
+
+  if (!err)
+    return GPG_ERR_MISSING_ERRNO;
+
+  idx = errno_to_idx (err);
+
+  if (idx < 0)
+    return GPG_ERR_UNKNOWN_ERRNO;
+
+  return GPG_ERR_SYSTEM_ERROR | err_code_from_index[idx];
+}