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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
commit | 45d6379135504814ab723b57f0eb8be23393a51d (patch) | |
tree | d4f2ec4acca824a8446387a758b0ce4238a4dffa /lib/isc/win32/errno2result.c | |
parent | Initial commit. (diff) | |
download | bind9-upstream/1%9.16.44.tar.xz bind9-upstream/1%9.16.44.zip |
Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/isc/win32/errno2result.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/lib/isc/win32/errno2result.c b/lib/isc/win32/errno2result.c new file mode 100644 index 0000000..593c27b --- /dev/null +++ b/lib/isc/win32/errno2result.c @@ -0,0 +1,118 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#include "errno2result.h" +#include <stdbool.h> +#include <winsock2.h> + +#include <isc/result.h> +#include <isc/strerr.h> +#include <isc/string.h> +#include <isc/util.h> + +/* + * Convert a POSIX errno value into an isc_result_t. The + * list of supported errno values is not complete; new users + * of this function should add any expected errors that are + * not already there. + */ +isc_result_t +isc__errno2resultx(int posixerrno, bool dolog, const char *file, int line) { + char strbuf[ISC_STRERRORSIZE]; + + switch (posixerrno) { + case ENOTDIR: + case WSAELOOP: + case WSAEINVAL: + case EINVAL: /* XXX sometimes this is not for files */ + case ENAMETOOLONG: + case WSAENAMETOOLONG: + case EBADF: + case WSAEBADF: + return (ISC_R_INVALIDFILE); + case ENOENT: + return (ISC_R_FILENOTFOUND); + case EACCES: + case WSAEACCES: + case EPERM: + return (ISC_R_NOPERM); + case EEXIST: + return (ISC_R_FILEEXISTS); + case EIO: + return (ISC_R_IOERROR); + case ENOMEM: + return (ISC_R_NOMEMORY); +#ifdef EOVERFLOW + case EOVERFLOW: + return (ISC_R_RANGE); +#endif /* ifdef EOVERFLOW */ + case ENFILE: + case EMFILE: + case WSAEMFILE: + return (ISC_R_TOOMANYOPENFILES); + case ENOSPC: + return (ISC_R_DISCFULL); + case ERROR_CANCELLED: + return (ISC_R_CANCELED); + case ERROR_CONNECTION_REFUSED: + case WSAECONNREFUSED: + return (ISC_R_CONNREFUSED); + case WSAENOTCONN: + case ERROR_CONNECTION_INVALID: + return (ISC_R_NOTCONNECTED); + case ERROR_HOST_UNREACHABLE: + case WSAEHOSTUNREACH: + return (ISC_R_HOSTUNREACH); + case ERROR_NETWORK_UNREACHABLE: + case WSAENETUNREACH: + return (ISC_R_NETUNREACH); + case ERROR_NO_NETWORK: + return (ISC_R_NETUNREACH); + case ERROR_PORT_UNREACHABLE: + return (ISC_R_HOSTUNREACH); + case ERROR_SEM_TIMEOUT: + return (ISC_R_TIMEDOUT); + case WSAECONNRESET: + case WSAENETRESET: + case WSAECONNABORTED: + case WSAEDISCON: + case ERROR_OPERATION_ABORTED: + case ERROR_CONNECTION_ABORTED: + case ERROR_REQUEST_ABORTED: + return (ISC_R_CONNECTIONRESET); + case WSAEADDRNOTAVAIL: + return (ISC_R_ADDRNOTAVAIL); + case ERROR_NETNAME_DELETED: + case WSAENETDOWN: + return (ISC_R_NETUNREACH); + case WSAEHOSTDOWN: + return (ISC_R_HOSTUNREACH); + case WSAENOBUFS: + return (ISC_R_NORESOURCES); + default: + if (dolog) { + strerror_r(posixerrno, strbuf, sizeof(strbuf)); + UNEXPECTED_ERROR(file, line, + "unable to convert errno " + "to isc_result: %d: %s", + posixerrno, strbuf); + } + /* + * XXXDCL would be nice if perhaps this function could + * return the system's error string, so the caller + * might have something more descriptive than "unexpected + * error" to log with. + */ + return (ISC_R_UNEXPECTED); + } +} |