diff options
Diffstat (limited to 'libtdenetwork/libgpg-error-copy/code-from-errno.c')
-rw-r--r-- | libtdenetwork/libgpg-error-copy/code-from-errno.c | 69 |
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]; +} |