nsprpub/pr/src/cplus/rcfileio.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     2 /* This Source Code Form is subject to the terms of the Mozilla Public
     3  * License, v. 2.0. If a copy of the MPL was not distributed with this
     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     6 /*
     7 ** Class implementation for normal and special file I/O (ref: prio.h)
     8 */
    10 #include "rcfileio.h"
    12 #include <string.h>
    14 RCFileIO::RCFileIO(): RCIO(RCIO::file) { }
    16 RCFileIO::~RCFileIO() { if (NULL != fd) (void)Close(); }
    18 PRInt64 RCFileIO::Available()
    19     { return fd->methods->available(fd); }
    21 PRStatus RCFileIO::Close()
    22     { PRStatus rv = fd->methods->close(fd); fd = NULL; return rv; }
    24 PRStatus RCFileIO::Delete(const char* filename) { return PR_Delete(filename); }
    26 PRStatus RCFileIO::FileInfo(RCFileInfo* info) const
    27     { return fd->methods->fileInfo64(fd, &info->info); }
    29 PRStatus RCFileIO::FileInfo(const char *name, RCFileInfo* info)
    30     { return PR_GetFileInfo64(name, &info->info); }
    32 PRStatus RCFileIO::Fsync()
    33     { return fd->methods->fsync(fd); }
    35 PRStatus RCFileIO::Open(const char *filename, PRIntn flags, PRIntn mode)
    36 {
    37     fd = PR_Open(filename, flags, mode);
    38     return (NULL == fd) ? PR_FAILURE : PR_SUCCESS;
    39 }  /* RCFileIO::Open */
    41 PRInt32 RCFileIO::Read(void *buf, PRSize amount)
    42     { return fd->methods->read(fd, buf, amount); }
    44 PRInt64 RCFileIO::Seek(PRInt64 offset, RCIO::Whence how)
    45 {
    46     PRSeekWhence whence;
    47     switch (how)
    48     {
    49         case RCFileIO::set: whence = PR_SEEK_SET; break;
    50         case RCFileIO::current: whence = PR_SEEK_CUR; break;
    51         case RCFileIO::end: whence = PR_SEEK_END; break;
    52         default: whence = (PRSeekWhence)-1;
    53     }
    54     return fd->methods->seek64(fd, offset, whence);
    55 }  /* RCFileIO::Seek */
    57 PRInt32 RCFileIO::Write(const void *buf, PRSize amount)
    58     { return fd->methods->write(fd, buf, amount); }
    60 PRInt32 RCFileIO::Writev(
    61     const PRIOVec *iov, PRSize size, const RCInterval& timeout)
    62     { return fd->methods->writev(fd, iov, size, timeout); }
    64 RCIO *RCFileIO::GetSpecialFile(RCFileIO::SpecialFile special)
    65 {
    66     PRFileDesc* fd;
    67     PRSpecialFD which;
    68     RCFileIO* spec = NULL;
    70     switch (special)
    71     {
    72         case RCFileIO::input: which = PR_StandardInput; break;
    73         case RCFileIO::output: which = PR_StandardOutput; break;
    74         case RCFileIO::error: which = PR_StandardError; break;
    75         default: which = (PRSpecialFD)-1;
    76     }
    77     fd = PR_GetSpecialFD(which);
    78     if (NULL != fd)
    79     {
    80         spec = new RCFileIO();
    81         if (NULL != spec) spec->fd = fd;
    82     }
    83     return spec;
    84 }  /* RCFileIO::GetSpecialFile */
    87 /*
    88 ** The following methods have been made non-virtual and private. These
    89 ** default implementations are intended to NEVER be called. They
    90 ** are not valid for this type of I/O class (normal and special file).
    91 */
    92 PRStatus RCFileIO::Connect(const RCNetAddr&, const RCInterval&)
    93 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
    95 PRStatus RCFileIO::GetLocalName(RCNetAddr*) const
    96 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
    98 PRStatus RCFileIO::GetPeerName(RCNetAddr*) const
    99 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   101 PRStatus RCFileIO::GetSocketOption(PRSocketOptionData*) const
   102 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   104 PRStatus RCFileIO::Listen(PRIntn)
   105 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   107 PRInt16 RCFileIO::Poll(PRInt16, PRInt16*)
   108 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return 0; }
   110 PRInt32 RCFileIO::Recv(void*, PRSize, PRIntn, const RCInterval&)
   111 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   113 PRInt32 RCFileIO::Recvfrom(void*, PRSize, PRIntn, RCNetAddr*, const RCInterval&)
   114 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   116 PRInt32 RCFileIO::Send(
   117     const void*, PRSize, PRIntn, const RCInterval&)
   118 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   120 PRInt32 RCFileIO::Sendto(
   121     const void*, PRSize, PRIntn, const RCNetAddr&, const RCInterval&)
   122 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   124 RCIO* RCFileIO::Accept(RCNetAddr*, const RCInterval&)
   125 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return NULL; }
   127 PRStatus RCFileIO::Bind(const RCNetAddr&)
   128 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   130 PRInt32 RCFileIO::AcceptRead(
   131     RCIO**, RCNetAddr**, void*, PRSize, const RCInterval&)
   132 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   134 PRStatus RCFileIO::SetSocketOption(const PRSocketOptionData*)
   135 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   137 PRStatus RCFileIO::Shutdown(RCIO::ShutdownHow)
   138 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   140 PRInt32 RCFileIO::TransmitFile(
   141     RCIO*, const void*, PRSize, RCIO::FileDisposition, const RCInterval&)
   142 { PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   144 /*
   145 ** Class implementation for file information object (ref: prio.h)
   146 */
   148 RCFileInfo::~RCFileInfo() { }
   150 RCFileInfo::RCFileInfo(const RCFileInfo& her): RCBase()
   151     { info = her.info; }  /* RCFileInfo::RCFileInfo */
   153 RCTime RCFileInfo::CreationTime() const { return RCTime(info.creationTime); }
   155 RCTime RCFileInfo::ModifyTime() const { return RCTime(info.modifyTime); }
   157 RCFileInfo::FileType RCFileInfo::Type() const
   158 {
   159     RCFileInfo::FileType type;
   160     switch (info.type)
   161     {
   162         case PR_FILE_FILE: type = RCFileInfo::file; break;
   163         case PR_FILE_DIRECTORY: type = RCFileInfo::directory; break;
   164         default: type = RCFileInfo::other;
   165     }
   166     return type;
   167 }  /* RCFileInfo::Type */

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