/* $NetBSD: errno2result.c,v 1.2.4.2 2024/02/29 12:34:59 martin Exp $ */ /* * 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. */ /*! \file */ #include "errno2result.h" #include #include #include #include #include /*% * 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___errno2result(int posixerrno, bool dolog, const char *file, unsigned int line) { char strbuf[ISC_STRERRORSIZE]; switch (posixerrno) { case ENOTDIR: case ELOOP: case EINVAL: /* XXX sometimes this is not for files */ case ENAMETOOLONG: case EBADF: return (ISC_R_INVALIDFILE); case EISDIR: return (ISC_R_NOTFILE); case ENOENT: return (ISC_R_FILENOTFOUND); case EACCES: case EPERM: case EROFS: return (ISC_R_NOPERM); case EEXIST: return (ISC_R_FILEEXISTS); case EIO: return (ISC_R_IOERROR); case ENOMEM: return (ISC_R_NOMEMORY); case ENFILE: case EMFILE: return (ISC_R_TOOMANYOPENFILES); #ifdef EDQUOT case EDQUOT: return (ISC_R_DISCQUOTA); #endif /* ifdef EDQUOT */ case ENOSPC: return (ISC_R_DISCFULL); #ifdef EOVERFLOW case EOVERFLOW: return (ISC_R_RANGE); #endif /* ifdef EOVERFLOW */ case EPIPE: #ifdef ECONNRESET case ECONNRESET: #endif /* ifdef ECONNRESET */ #ifdef ECONNABORTED case ECONNABORTED: #endif /* ifdef ECONNABORTED */ return (ISC_R_CONNECTIONRESET); #ifdef ENOTCONN case ENOTCONN: return (ISC_R_NOTCONNECTED); #endif /* ifdef ENOTCONN */ #ifdef ETIMEDOUT case ETIMEDOUT: return (ISC_R_TIMEDOUT); #endif /* ifdef ETIMEDOUT */ #ifdef ENOBUFS case ENOBUFS: return (ISC_R_NORESOURCES); #endif /* ifdef ENOBUFS */ #ifdef EAFNOSUPPORT case EAFNOSUPPORT: return (ISC_R_FAMILYNOSUPPORT); #endif /* ifdef EAFNOSUPPORT */ #ifdef ENETDOWN case ENETDOWN: return (ISC_R_NETDOWN); #endif /* ifdef ENETDOWN */ #ifdef EHOSTDOWN case EHOSTDOWN: return (ISC_R_HOSTDOWN); #endif /* ifdef EHOSTDOWN */ #ifdef ENETUNREACH case ENETUNREACH: return (ISC_R_NETUNREACH); #endif /* ifdef ENETUNREACH */ #ifdef EHOSTUNREACH case EHOSTUNREACH: return (ISC_R_HOSTUNREACH); #endif /* ifdef EHOSTUNREACH */ #ifdef EADDRINUSE case EADDRINUSE: return (ISC_R_ADDRINUSE); #endif /* ifdef EADDRINUSE */ case EADDRNOTAVAIL: return (ISC_R_ADDRNOTAVAIL); case ECONNREFUSED: return (ISC_R_CONNREFUSED); 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); } }