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-rw-r--r--libtdenetwork/libgpg-error-copy/code-from-errno.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/libtdenetwork/libgpg-error-copy/code-from-errno.c b/libtdenetwork/libgpg-error-copy/code-from-errno.c
new file mode 100644
index 000000000..f51dd155e
--- /dev/null
+++ b/libtdenetwork/libgpg-error-copy/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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, 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];
+}