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author | Marcus Brinkmann <mb@g10code.com> | 2003-06-01 21:11:40 +0000 |
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committer | Marcus Brinkmann <mb@g10code.com> | 2003-06-01 21:11:40 +0000 |
commit | 85fee89a19a7e9657f9d76949bcdbf4b6c42d182 (patch) | |
tree | cd16f5ebef862ca1516f8baf6b359f602d0a0a39 /src/code-to-errno.c | |
parent | 1316051181294dc4398fcb31b27e7389b32f079f (diff) | |
download | libgpg-error-85fee89a19a7e9657f9d76949bcdbf4b6c42d182.tar.gz |
2003-06-01 Marcus Brinkmann <marcus@g10code.de>
* src/mkerrcodes1.awk: New file.
* src/mkerrcodes2.awk: New file.
* src/mkerrnos.awk: New file.
* src/errnos.in: New file.
* src/code-from-errno.c: New file.
* src/code-to-errno.c: New file.
* src/Makefile.am (libgpg_error_la_SOURCES): Remove err-sources.h
and err-codes.h. Add code-to-errno.c and code-from-errno.c.
(code-to-errno.h): New target.
(code-from-errno.h): Likewise.
(EXTRA_DIST): Add mkerrnos.awk, errnos.in, and mkerrcodes1.awk.
(BUILT_SOURCES): Add code-to-errno.h and code-from-errno.h.
(CLEANFILES): Likewise.
* src/strerror.c (gpg_strerror): Use strerror for system errors.
* src/err-codes.h.in: Add 16382 (Unknown system error).
* src/gpg-error.h (gpg_err_code_t): Add system errors.
(GPG_ERR_CODE_DIM): Change to 32768.
(GPG_ERR_SYSTEM_ERROR): New macro.
(gpg_err_code_from_errno): New prototype.
(gpg_err_code_to_errno): Likewise.
Diffstat (limited to 'src/code-to-errno.c')
-rw-r--r-- | src/code-to-errno.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/code-to-errno.c b/src/code-to-errno.c new file mode 100644 index 0000000..b8253c7 --- /dev/null +++ b/src/code-to-errno.c @@ -0,0 +1,42 @@ +/* code-to-errno.c - Mapping error codes to errnos. + 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 libgpgme-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 <gpg-error.h> + +#include "code-to-errno.h" + +/* Retrieve the system error for the error code ERR. This returns 0 + if ERR is not a system error code. */ +int +gpg_err_code_to_errno (gpg_err_code_t code) +{ + if (!(code & GPG_ERR_SYSTEM_ERROR)) + return 0; + code &= ~GPG_ERR_SYSTEM_ERROR; + + if (code < sizeof (err_code_to_errno) / sizeof (err_code_to_errno[0])) + return err_code_to_errno[code]; + else + return 0; +} |