import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

xpcom/io/nsLocalFile.h

@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 Original Code has been modified by IBM Corporation. Modifications made by IBM
+ * described herein are Copyright (c) International Business Machines Corporation, 2000.
+ * Modifications to Mozilla code or documentation identified per MPL Section 3.3
+ *
+ * Date             Modified by     Description of modification
+ * 04/20/2000       IBM Corp.      OS/2 build.
+ */
+
+#ifndef _NS_LOCAL_FILE_H_
+#define _NS_LOCAL_FILE_H_
+
+#include "nscore.h"
+
+#define NS_LOCAL_FILE_CID {0x2e23e220, 0x60be, 0x11d3, {0x8c, 0x4a, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74}}
+
+#define NS_DECL_NSLOCALFILE_UNICODE_METHODS                                                      \
+  nsresult AppendUnicode(const char16_t *aNode);                                              \
+  nsresult GetUnicodeLeafName(char16_t **aLeafName);                                          \
+  nsresult SetUnicodeLeafName(const char16_t *aLeafName);                                     \
+  nsresult CopyToUnicode(nsIFile *aNewParentDir, const char16_t *aNewLeafName);               \
+  nsresult CopyToFollowingLinksUnicode(nsIFile *aNewParentDir, const char16_t *aNewLeafName); \
+  nsresult MoveToUnicode(nsIFile *aNewParentDir, const char16_t *aNewLeafName);               \
+  nsresult GetUnicodeTarget(char16_t **aTarget);                                              \
+  nsresult GetUnicodePath(char16_t **aPath);                                                  \
+  nsresult InitWithUnicodePath(const char16_t *aPath);                                        \
+  nsresult AppendRelativeUnicodePath(const char16_t *aRelativePath);
+
+// XPCOMInit needs to know about how we are implemented,
+// so here we will export it.  Other users should not depend
+// on this.
+
+#include <errno.h>
+#include "nsILocalFile.h"
+
+#ifdef XP_WIN
+#include "nsLocalFileWin.h"
+#elif defined(XP_UNIX)
+#include "nsLocalFileUnix.h"
+#else
+#error NOT_IMPLEMENTED
+#endif
+
+#define NSRESULT_FOR_RETURN(ret) (((ret) < 0) ? NSRESULT_FOR_ERRNO() : NS_OK)
+
+inline nsresult
+nsresultForErrno(int aErr)
+{
+  switch (aErr) {
+    case 0:
+      return NS_OK;
+#ifdef EDQUOT
+    case EDQUOT: /* Quota exceeded */
+      // FALLTHROUGH to return NS_ERROR_FILE_DISK_FULL
+#endif
+    case ENOSPC:
+      return NS_ERROR_FILE_DISK_FULL;
+#ifdef EISDIR
+    case EISDIR:    /*      Is a directory. */
+      return NS_ERROR_FILE_IS_DIRECTORY;
+#endif
+    case ENAMETOOLONG:
+      return NS_ERROR_FILE_NAME_TOO_LONG;
+    case ENOEXEC:  /*     Executable file format error. */
+      return NS_ERROR_FILE_EXECUTION_FAILED;
+    case ENOENT:
+      return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST;
+    case ENOTDIR:
+      return NS_ERROR_FILE_DESTINATION_NOT_DIR;
+#ifdef ELOOP
+    case ELOOP:
+      return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
+#endif /* ELOOP */
+#ifdef ENOLINK
+    case ENOLINK:
+      return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
+#endif /* ENOLINK */
+    case EEXIST:
+      return NS_ERROR_FILE_ALREADY_EXISTS;
+#ifdef EPERM
+    case EPERM:
+#endif /* EPERM */
+    case EACCES:
+      return NS_ERROR_FILE_ACCESS_DENIED;
+#ifdef EROFS
+    case EROFS: /*     Read-only file system. */
+      return NS_ERROR_FILE_READ_ONLY;
+#endif
+    /*
+     * On AIX 4.3, ENOTEMPTY is defined as EEXIST,
+     * so there can't be cases for both without
+     * preprocessing.
+     */
+#if ENOTEMPTY != EEXIST
+    case ENOTEMPTY:
+      return NS_ERROR_FILE_DIR_NOT_EMPTY;
+#endif /* ENOTEMPTY != EEXIST */
+    /* Note that nsIFile.createUnique() returns
+       NS_ERROR_FILE_TOO_BIG when it cannot create a temporary
+       file with a unique filename.
+       See https://developer.mozilla.org/en-US/docs/Table_Of_Errors
+       Other usages of NS_ERROR_FILE_TOO_BIG in the source tree
+       are in line with the POSIX semantics of EFBIG.
+       So this is a reasonably good approximation.
+    */
+    case EFBIG: /*     File too large. */
+      return NS_ERROR_FILE_TOO_BIG;
+
+    default:
+      return NS_ERROR_FAILURE;
+  }
+}
+
+#define NSRESULT_FOR_ERRNO() nsresultForErrno(errno)
+
+void NS_StartupLocalFile();
+void NS_ShutdownLocalFile();
+
+#endif