1 files changed, 896 insertions, 0 deletions
diff --git a/sal/osl/unx/uunxapi.cxx b/sal/osl/unx/uunxapi.cxx
new file mode 100644
index 000000000..e8901784c
--- /dev/null
+++ b/sal/osl/unx/uunxapi.cxx
@@ -0,0 +1,896 @@
+/* -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <config_features.h>
+
+#include "uunxapi.hxx"
+#include "system.hxx"
+#include "unixerrnostring.hxx"
+#include <limits.h>
+#include <rtl/ustring.hxx>
+#include <osl/thread.h>
+#include <sal/log.hxx>
+
+#ifdef ANDROID
+#include <osl/detail/android-bootstrap.h>
+#endif
+
+OString osl::OUStringToOString(const OUString& s)
+{
+    return OUStringToOString(s, osl_getThreadTextEncoding());
+}
+
+#if HAVE_FEATURE_MACOSX_SANDBOX
+
+#include <Foundation/Foundation.h>
+#include <Security/Security.h>
+#include <mach-o/dyld.h>
+
+static NSUserDefaults *userDefaults = NULL;
+static bool isSandboxed = false;
+
+static void do_once()
+{
+    SecCodeRef code;
+    OSStatus rc = SecCodeCopySelf(kSecCSDefaultFlags, &code);
+
+    SecStaticCodeRef staticCode;
+    if (rc == errSecSuccess)
+        rc = SecCodeCopyStaticCode(code, kSecCSDefaultFlags, &staticCode);
+
+    CFDictionaryRef signingInformation;
+    if (rc == errSecSuccess)
+        rc = SecCodeCopySigningInformation(staticCode, kSecCSRequirementInformation, &signingInformation);
+
+    CFDictionaryRef entitlements = NULL;
+    if (rc == errSecSuccess)
+        entitlements = (CFDictionaryRef) CFDictionaryGetValue(signingInformation, kSecCodeInfoEntitlementsDict);
+
+    if (entitlements != NULL)
+        if (CFDictionaryGetValue(entitlements, CFSTR("com.apple.security.app-sandbox")) != NULL)
+            isSandboxed = true;
+
+    if (isSandboxed)
+        userDefaults = [NSUserDefaults standardUserDefaults];
+}
+
+typedef struct {
+    NSURL *scopeURL;
+    NSAutoreleasePool *pool;
+} accessFilePathState;
+
+static accessFilePathState *
+prepare_to_access_file_path( const char *cpFilePath )
+{
+    static pthread_once_t once = PTHREAD_ONCE_INIT;
+    pthread_once(&once, &do_once);
+    NSURL *fileURL = nil;
+    NSData *data = nil;
+    BOOL stale;
+    accessFilePathState *state;
+
+    if (!isSandboxed)
+        return NULL;
+
+    // If malloc() fails we are screwed anyway
+    state = (accessFilePathState*) malloc(sizeof(accessFilePathState));
+
+    state->pool = [[NSAutoreleasePool alloc] init];
+    state->scopeURL = nil;
+
+    if (userDefaults != nil)
+        fileURL = [NSURL fileURLWithPath:[NSString stringWithUTF8String:cpFilePath]];
+
+    if (fileURL != nil)
+        data = [userDefaults dataForKey:[@"bookmarkFor:" stringByAppendingString:[fileURL absoluteString]]];
+
+    if (data != nil)
+        state->scopeURL = [NSURL URLByResolvingBookmarkData:data
+                                                    options:NSURLBookmarkResolutionWithSecurityScope
+                                              relativeToURL:nil
+                                        bookmarkDataIsStale:&stale
+                                                      error:nil];
+    if (state->scopeURL != nil)
+        [state->scopeURL startAccessingSecurityScopedResource];
+
+    return state;
+}
+
+static void
+done_accessing_file_path( const char * /*cpFilePath*/, accessFilePathState *state )
+{
+    if (!isSandboxed)
+        return;
+
+    int saved_errno = errno;
+
+    if (state->scopeURL != nil)
+        [state->scopeURL stopAccessingSecurityScopedResource];
+    [state->pool release];
+    free(state);
+
+    errno = saved_errno;
+}
+
+#else
+
+typedef void accessFilePathState;
+
+#define prepare_to_access_file_path( cpFilePath ) nullptr
+
+#define done_accessing_file_path( cpFilePath, state ) ((void) cpFilePath, (void) state)
+
+#endif
+
+#ifdef MACOSX
+/*
+ * Helper function for resolving Mac native alias files (not the same as unix alias files)
+ * and to return the resolved alias as OString
+ */
+static OString macxp_resolveAliasAndConvert(OString const & p)
+{
+    char path[PATH_MAX];
+    if (p.getLength() < PATH_MAX)
+    {
+        strcpy(path, p.getStr());
+        macxp_resolveAlias(path, PATH_MAX);
+        return path;
+    }
+    return p;
+}
+#endif /* MACOSX */
+
+int osl::access(const OString& pstrPath, int mode)
+{
+    OString fn = pstrPath;
+#ifdef ANDROID
+    if (fn == "/assets" || fn.startsWith("/assets/"))
+    {
+        struct stat stat;
+        if (lo_apk_lstat(fn.getStr(), &stat) == -1)
+            return -1;
+        if (mode & W_OK)
+        {
+            errno = EACCES;
+            return -1;
+        }
+        return 0;
+    }
+#endif
+
+#ifdef MACOSX
+    fn = macxp_resolveAliasAndConvert(fn);
+#endif
+
+    accessFilePathState *state = prepare_to_access_file_path(fn.getStr());
+
+    int result = ::access(fn.getStr(), mode);
+    int saved_errno = errno;
+    if (result == -1)
+        SAL_INFO("sal.file", "access(" << fn << ",0" << std::oct << mode << std::dec << "): " << UnixErrnoString(saved_errno));
+    else
+        SAL_INFO("sal.file", "access(" << fn << ",0" << std::oct << mode << std::dec << "): OK");
+
+    done_accessing_file_path(fn.getStr(), state);
+
+    errno = saved_errno;
+
+    return result;
+}
+
+namespace {
+
+OString toOString(OString const & s) { return s; }
+
+OString toOString(OUString const & s) { return osl::OUStringToOString(s); }
+
+template<typename T> T fromOString(OString const &) = delete;
+
+template<> OString fromOString(OString const & s) { return s; }
+
+template<> OUString fromOString(OString const & s)
+{ return OStringToOUString(s, osl_getThreadTextEncoding()); }
+
+template<typename T> bool realpath_(const T& pstrFileName, T& ppstrResolvedName)
+{
+    OString fn = toOString(pstrFileName);
+#ifdef ANDROID
+    if (fn == "/assets" || fn.startsWith("/assets/"))
+    {
+        if (osl::access(fn, F_OK) == -1)
+            return false;
+
+        ppstrResolvedName = pstrFileName;
+
+        return true;
+    }
+#endif
+
+#ifdef MACOSX
+    fn = macxp_resolveAliasAndConvert(fn);
+#endif
+
+    accessFilePathState *state = prepare_to_access_file_path(fn.getStr());
+
+    char  rp[PATH_MAX];
+    bool  bRet = realpath(fn.getStr(), rp);
+    int   saved_errno = errno;
+    if (!bRet)
+        SAL_INFO("sal.file", "realpath(" << fn << "): " << UnixErrnoString(saved_errno));
+    else
+        SAL_INFO("sal.file", "realpath(" << fn << "): OK");
+
+    done_accessing_file_path(fn.getStr(), state);
+
+    if (bRet)
+    {
+        ppstrResolvedName = fromOString<T>(OString(rp));
+    }
+
+    errno = saved_errno;
+
+    return bRet;
+}
+
+}
+
+bool osl::realpath(const OUString& pustrFileName, OUString& ppustrResolvedName)
+{
+    return realpath_(pustrFileName, ppustrResolvedName);
+}
+
+bool osl::realpath(const OString& pstrFileName, OString& ppstrResolvedName)
+{
+    return realpath_(pstrFileName, ppstrResolvedName);
+}
+
+int stat_c(const char* cpPath, struct stat* buf)
+{
+#ifdef ANDROID
+    if (strncmp(cpPath, "/assets", sizeof("/assets")-1) == 0 &&
+        (cpPath[sizeof("/assets")-1] == '\0' ||
+         cpPath[sizeof("/assets")-1] == '/'))
+        return lo_apk_lstat(cpPath, buf);
+#endif
+
+    accessFilePathState *state = prepare_to_access_file_path(cpPath);
+
+    int result = stat(cpPath, buf);
+    int saved_errno = errno;
+    if (result == -1)
+        SAL_INFO("sal.file", "stat(" << cpPath << "): " << UnixErrnoString(saved_errno));
+    else
+        SAL_INFO("sal.file", "stat(" << cpPath << "): OK");
+
+    done_accessing_file_path(cpPath, state);
+
+    errno = saved_errno;
+
+    return result;
+}
+
+int lstat_c(const char* cpPath, struct stat* buf)
+{
+#ifdef ANDROID
+    if (strncmp(cpPath, "/assets", sizeof("/assets")-1) == 0 &&
+        (cpPath[sizeof("/assets")-1] == '\0' ||
+         cpPath[sizeof("/assets")-1] == '/'))
+        return lo_apk_lstat(cpPath, buf);
+#endif
+
+    accessFilePathState *state = prepare_to_access_file_path(cpPath);
+
+    int result = lstat(cpPath, buf);
+    int saved_errno = errno;
+    if (result == -1)
+        SAL_INFO("sal.file", "lstat(" << cpPath << "): " << UnixErrnoString(saved_errno));
+    else
+        SAL_INFO("sal.file", "lstat(" << cpPath << "): OK");
+
+    done_accessing_file_path(cpPath, state);
+
+    errno = saved_errno;
+
+    return result;
+}
+
+namespace {
+
+template<typename T> int lstat_(const T& pstrPath, struct stat& buf)
+{
+    OString fn = toOString(pstrPath);
+
+#ifdef MACOSX
+    fn = macxp_resolveAliasAndConvert(fn);
+#endif
+
+    return lstat_c(fn.getStr(), &buf);
+}
+
+}
+
+int osl::lstat(const OUString& pustrPath, struct stat& buf)
+{
+    return lstat_(pustrPath, buf);
+}
+
+int osl::lstat(const OString& pstrPath, struct stat& buf)
+{
+    return lstat_(pstrPath, buf);
+}
+
+int osl::mkdir(const OString& path, mode_t mode)
+{
+    accessFilePathState *state = prepare_to_access_file_path(path.getStr());
+
+    int result = ::mkdir(path.getStr(), mode);
+    int saved_errno = errno;
+    if (result == -1)
+        SAL_INFO("sal.file", "mkdir(" << path << ",0" << std::oct << mode << std::dec << "): " << UnixErrnoString(saved_errno));
+    else
+        SAL_INFO("sal.file", "mkdir(" << path << ",0" << std::oct << mode << std::dec << "): OK");
+
+    done_accessing_file_path(path.getStr(), state);
+
+    errno = saved_errno;
+
+    return result;
+}
+
+int open_c(const char *cpPath, int oflag, int mode)
+{
+    accessFilePathState *state = prepare_to_access_file_path(cpPath);
+
+    int result = open(cpPath, oflag, mode);
+    int saved_errno = errno;
+    if (result == -1)
+        SAL_INFO("sal.file", "open(" << cpPath << ",0" << std::oct << oflag << ",0" << mode << std::dec << "): " << UnixErrnoString(saved_errno));
+    else
+        SAL_INFO("sal.file", "open(" << cpPath << ",0" << std::oct << oflag << ",0" << mode << std::dec << ") => " << result);
+
+#if HAVE_FEATURE_MACOSX_SANDBOX
+    if (isSandboxed && result != -1 && (oflag & O_CREAT) && (oflag & O_EXCL))
+    {
+        // A new file was created. Check if it is outside the sandbox.
+        // (In that case it must be one the user selected as export or
+        // save destination in a file dialog, otherwise we wouldn't
+        // have been able to create it.) Create and store a security
+        // scoped bookmark for it so that we can access the file in
+        // the future, too. (For the "Recent Files" functionality.)
+        const char *sandbox = [NSHomeDirectory() UTF8String];
+        if (!(strncmp(sandbox, cpPath, strlen(sandbox)) == 0 &&
+              cpPath[strlen(sandbox)] == '/'))
+        {
+            NSURL *url = [NSURL fileURLWithPath:[NSString stringWithUTF8String:cpPath]];
+            NSData *data = [url bookmarkDataWithOptions:NSURLBookmarkCreationWithSecurityScope
+                         includingResourceValuesForKeys:nil
+                                          relativeToURL:nil
+                                                  error:nil];
+            if (data != NULL)
+            {
+                [userDefaults setObject:data
+                                 forKey:[@"bookmarkFor:" stringByAppendingString:[url absoluteString]]];
+            }
+        }
+    }
+#endif
+
+    done_accessing_file_path(cpPath, state);
+
+    errno = saved_errno;
+
+    return result;
+}
+
+int utime_c(const char *cpPath, struct utimbuf *times)
+{
+    accessFilePathState *state = prepare_to_access_file_path(cpPath);
+
+    int result = utime(cpPath, times);
+
+    done_accessing_file_path(cpPath, state);
+
+    return result;
+}
+
+int ftruncate_with_name(int fd, sal_uInt64 uSize, rtl_String* path)
+{
+    /* When sandboxed on macOS, ftruncate(), even if it takes an
+     * already open file descriptor which was returned from an open()
+     * call already checked by the sandbox, still requires a security
+     * scope bookmark for the file to be active in case the file is
+     * one that the sandbox doesn't otherwise allow access to. Luckily
+     * LibreOffice usually calls ftruncate() through the helpful C++
+     * abstraction layer that keeps the pathname around.
+     */
+
+    OString fn(path);
+
+#ifdef MACOSX
+    fn = macxp_resolveAliasAndConvert(fn);
+#endif
+
+    accessFilePathState *state = prepare_to_access_file_path(fn.getStr());
+
+    int result = ftruncate(fd, uSize);
+    int saved_errno = errno;
+    if (result < 0)
+        SAL_INFO("sal.file", "ftruncate(" << fd << "," << uSize << "): " << UnixErrnoString(saved_errno));
+    else
+        SAL_INFO("sal.file", "ftruncate(" << fd << "," << uSize << "): OK");
+
+    done_accessing_file_path(fn.getStr(), state);
+
+    errno = saved_errno;
+
+    return result;
+}
+
+
+std::string UnixErrnoString(int nErrno)
+{
+    // Errnos from <asm-generic/errno-base.h> and <asm-generic/errno.h> on Linux and <sys/errno.h>
+    // on macOS.
+    switch (nErrno)
+    {
+        case EPERM:
+            return "EPERM";
+        case ENOENT:
+            return "ENOENT";
+        case ESRCH:
+            return "ESRCH";
+        case EINTR:
+            return "EINTR";
+        case EIO:
+            return "EIO";
+        case ENXIO:
+            return "ENXIO";
+        case E2BIG:
+            return "E2BIG";
+        case ENOEXEC:
+            return "ENOEXEC";
+        case EBADF:
+            return "EBADF";
+        case ECHILD:
+            return "ECHILD";
+        case EAGAIN:
+            return "EAGAIN";
+        case ENOMEM:
+            return "ENOMEM";
+        case EACCES:
+            return "EACCES";
+        case EFAULT:
+            return "EFAULT";
+#ifdef ENOTBLK
+        case ENOTBLK:
+            return "ENOTBLK";
+#endif
+        case EBUSY:
+            return "EBUSY";
+        case EEXIST:
+            return "EEXIST";
+        case EXDEV:
+            return "EXDEV";
+        case ENODEV:
+            return "ENODEV";
+        case ENOTDIR:
+            return "ENOTDIR";
+        case EISDIR:
+            return "EISDIR";
+        case EINVAL:
+            return "EINVAL";
+        case ENFILE:
+            return "ENFILE";
+        case EMFILE:
+            return "EMFILE";
+        case ENOTTY:
+            return "ENOTTY";
+        case ETXTBSY:
+            return "ETXTBSY";
+        case EFBIG:
+            return "EFBIG";
+        case ENOSPC:
+            return "ENOSPC";
+        case ESPIPE:
+            return "ESPIPE";
+        case EROFS:
+            return "EROFS";
+        case EMLINK:
+            return "EMLINK";
+        case EPIPE:
+            return "EPIPE";
+        case EDOM:
+            return "EDOM";
+        case ERANGE:
+            return "ERANGE";
+        case EDEADLK:
+            return "EDEADLK";
+        case ENAMETOOLONG:
+            return "ENAMETOOLONG";
+        case ENOLCK:
+            return "ENOLCK";
+        case ENOSYS:
+            return "ENOSYS";
+        case ENOTEMPTY:
+            return "ENOTEMPTY";
+        case ELOOP:
+            return "ELOOP";
+        case ENOMSG:
+            return "ENOMSG";
+        case EIDRM:
+            return "EIDRM";
+#ifdef ECHRNG
+        case ECHRNG:
+            return "ECHRNG";
+#endif
+#ifdef EL2NSYNC
+        case EL2NSYNC:
+            return "EL2NSYNC";
+#endif
+#ifdef EL3HLT
+        case EL3HLT:
+            return "EL3HLT";
+#endif
+#ifdef EL3RST
+        case EL3RST:
+            return "EL3RST";
+#endif
+#ifdef ELNRNG
+        case ELNRNG:
+            return "ELNRNG";
+#endif
+#ifdef EUNATCH
+        case EUNATCH:
+            return "EUNATCH";
+#endif
+#ifdef ENOCSI
+        case ENOCSI:
+            return "ENOCSI";
+#endif
+#ifdef EL2HLT
+        case EL2HLT:
+            return "EL2HLT";
+#endif
+#ifdef EBADE
+        case EBADE:
+            return "EBADE";
+#endif
+#ifdef EBADR
+        case EBADR:
+            return "EBADR";
+#endif
+#ifdef EXFULL
+        case EXFULL:
+            return "EXFULL";
+#endif
+#ifdef ENOANO
+        case ENOANO:
+            return "ENOANO";
+#endif
+#ifdef EBADRQC
+        case EBADRQC:
+            return "EBADRQC";
+#endif
+#ifdef EBADSLT
+        case EBADSLT:
+            return "EBADSLT";
+#endif
+#ifdef EBFONT
+        case EBFONT:
+            return "EBFONT";
+#endif
+        case ENOSTR:
+            return "ENOSTR";
+        case ENODATA:
+            return "ENODATA";
+        case ETIME:
+            return "ETIME";
+        case ENOSR:
+            return "ENOSR";
+#ifdef ENONET
+        case ENONET:
+            return "ENONET";
+#endif
+#ifdef ENOPKG
+        case ENOPKG:
+            return "ENOPKG";
+#endif
+#ifdef EREMOTE
+        case EREMOTE:
+            return "EREMOTE";
+#endif
+        case ENOLINK:
+            return "ENOLINK";
+#ifdef EADV
+        case EADV:
+            return "EADV";
+#endif
+#ifdef ESRMNT
+        case ESRMNT:
+            return "ESRMNT";
+#endif
+#ifdef ECOMM
+        case ECOMM:
+            return "ECOMM";
+#endif
+        case EPROTO:
+            return "EPROTO";
+        case EMULTIHOP:
+            return "EMULTIHOP";
+#ifdef EDOTDOT
+        case EDOTDOT:
+            return "EDOTDOT";
+#endif
+        case EBADMSG:
+            return "EBADMSG";
+        case EOVERFLOW:
+            return "EOVERFLOW";
+#ifdef ENOTUNIQ
+        case ENOTUNIQ:
+            return "ENOTUNIQ";
+#endif
+#ifdef EBADFD
+        case EBADFD:
+            return "EBADFD";
+#endif
+#ifdef EREMCHG
+        case EREMCHG:
+            return "EREMCHG";
+#endif
+#ifdef ELIBACC
+        case ELIBACC:
+            return "ELIBACC";
+#endif
+#ifdef ELIBBAD
+        case ELIBBAD:
+            return "ELIBBAD";
+#endif
+#ifdef ELIBSCN
+        case ELIBSCN:
+            return "ELIBSCN";
+#endif
+#ifdef ELIBMAX
+        case ELIBMAX:
+            return "ELIBMAX";
+#endif
+#ifdef ELIBEXEC
+        case ELIBEXEC:
+            return "ELIBEXEC";
+#endif
+        case EILSEQ:
+            return "EILSEQ";
+#ifdef ERESTART
+        case ERESTART:
+            return "ERESTART";
+#endif
+#ifdef ESTRPIPE
+        case ESTRPIPE:
+            return "ESTRPIPE";
+#endif
+#ifdef EUSERS
+        case EUSERS:
+            return "EUSERS";
+#endif
+        case ENOTSOCK:
+            return "ENOTSOCK";
+        case EDESTADDRREQ:
+            return "EDESTADDRREQ";
+        case EMSGSIZE:
+            return "EMSGSIZE";
+        case EPROTOTYPE:
+            return "EPROTOTYPE";
+        case ENOPROTOOPT:
+            return "ENOPROTOOPT";
+        case EPROTONOSUPPORT:
+            return "EPROTONOSUPPORT";
+#ifdef ESOCKTNOSUPPORT
+        case ESOCKTNOSUPPORT:
+            return "ESOCKTNOSUPPORT";
+#endif
+#ifdef EOPNOTSUPP
+        case EOPNOTSUPP:
+            return "EOPNOTSUPP";
+#endif
+        case EPFNOSUPPORT:
+            return "EPFNOSUPPORT";
+        case EAFNOSUPPORT:
+            return "EAFNOSUPPORT";
+        case EADDRINUSE:
+            return "EADDRINUSE";
+        case EADDRNOTAVAIL:
+            return "EADDRNOTAVAIL";
+        case ENETDOWN:
+            return "ENETDOWN";
+        case ENETUNREACH:
+            return "ENETUNREACH";
+        case ENETRESET:
+            return "ENETRESET";
+        case ECONNABORTED:
+            return "ECONNABORTED";
+        case ECONNRESET:
+            return "ECONNRESET";
+        case ENOBUFS:
+            return "ENOBUFS";
+        case EISCONN:
+            return "EISCONN";
+        case ENOTCONN:
+            return "ENOTCONN";
+#ifdef ESHUTDOWN
+        case ESHUTDOWN:
+            return "ESHUTDOWN";
+#endif
+#ifdef ETOOMANYREFS
+        case ETOOMANYREFS:
+            return "ETOOMANYREFS";
+#endif
+        case ETIMEDOUT:
+            return "ETIMEDOUT";
+        case ECONNREFUSED:
+            return "ECONNREFUSED";
+#ifdef EHOSTDOWN
+        case EHOSTDOWN:
+            return "EHOSTDOWN";
+#endif
+        case EHOSTUNREACH:
+            return "EHOSTUNREACH";
+        case EALREADY:
+            return "EALREADY";
+        case EINPROGRESS:
+            return "EINPROGRESS";
+        case ESTALE:
+            return "ESTALE";
+#ifdef EUCLEAN
+        case EUCLEAN:
+            return "EUCLEAN";
+#endif
+#ifdef ENOTNAM
+        case ENOTNAM:
+            return "ENOTNAM";
+#endif
+#ifdef ENAVAIL
+        case ENAVAIL:
+            return "ENAVAIL";
+#endif
+#ifdef EISNAM
+        case EISNAM:
+            return "EISNAM";
+#endif
+#ifdef EREMOTEIO
+        case EREMOTEIO:
+            return "EREMOTEIO";
+#endif
+        case EDQUOT:
+            return "EDQUOT";
+#ifdef ENOMEDIUM
+        case ENOMEDIUM:
+            return "ENOMEDIUM";
+#endif
+#ifdef EMEDIUMTYPE
+        case EMEDIUMTYPE:
+            return "EMEDIUMTYPE";
+#endif
+        case ECANCELED:
+            return "ECANCELED";
+#ifdef ENOKEY
+        case ENOKEY:
+            return "ENOKEY";
+#endif
+#ifdef EKEYEXPIRED
+        case EKEYEXPIRED:
+            return "EKEYEXPIRED";
+#endif
+#ifdef EKEYREVOKED
+        case EKEYREVOKED:
+            return "EKEYREVOKED";
+#endif
+#ifdef EKEYREJECTED
+        case EKEYREJECTED:
+            return "EKEYREJECTED";
+#endif
+#ifdef EOWNERDEAD
+        case EOWNERDEAD:
+            return "EOWNERDEAD";
+#endif
+#ifdef ENOTRECOVERABLE
+        case ENOTRECOVERABLE:
+            return "ENOTRECOVERABLE";
+#endif
+#ifdef ERFKILL
+        case ERFKILL:
+            return "ERFKILL";
+#endif
+#ifdef EHWPOISON
+        case EHWPOISON:
+            return "EHWPOISON";
+#endif
+#ifdef EPROCLIM
+        case EPROCLIM:
+            return "EPROCLIM";
+#endif
+#ifdef EBADRPC
+        case EBADRPC:
+            return "EBADRPC";
+#endif
+#ifdef ERPCMISMATCH
+        case ERPCMISMATCH:
+            return "ERPCMISMATCH";
+#endif
+#ifdef EPROGUNAVAIL
+        case EPROGUNAVAIL:
+            return "EPROGUNAVAIL";
+#endif
+#ifdef EPROGMISMATCH
+        case EPROGMISMATCH:
+            return "EPROGMISMATCH";
+#endif
+#ifdef EPROCUNAVAIL
+        case EPROCUNAVAIL:
+            return "EPROCUNAVAIL";
+#endif
+#ifdef EFTYPE
+        case EFTYPE:
+            return "EFTYPE";
+#endif
+#ifdef EAUTH
+        case EAUTH:
+            return "EAUTH";
+#endif
+#ifdef ENEEDAUTH
+        case ENEEDAUTH:
+            return "ENEEDAUTH";
+#endif
+#ifdef EPWROFF
+        case EPWROFF:
+            return "EPWROFF";
+#endif
+#ifdef EDEVERR
+        case EDEVERR:
+            return "EDEVERR";
+#endif
+#ifdef EBADEXEC
+        case EBADEXEC:
+            return "EBADEXEC";
+#endif
+#ifdef EBADARCH
+        case EBADARCH:
+            return "EBADARCH";
+#endif
+#ifdef ESHLIBVERS
+        case ESHLIBVERS:
+            return "ESHLIBVERS";
+#endif
+#ifdef EBADMACHO
+        case EBADMACHO:
+            return "EBADMACHO";
+#endif
+#ifdef ENOATTR
+        case ENOATTR:
+            return "ENOATTR";
+#endif
+#ifdef EQFULL
+        case EQFULL:
+            return "EQFULL";
+#endif
+        default:
+            char* str = strerror(nErrno);
+            return std::to_string(nErrno) + " (" + std::string(str) + ")";
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */