mirror of
https://github.com/ksherlock/mpw.git
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471 lines
10 KiB
C++
471 lines
10 KiB
C++
/*
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* Copyright (c) 2013, Kelvin W Sherlock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <cerrno>
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#include <cctype>
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#include <ctime>
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#include <algorithm>
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#include <chrono>
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#include <deque>
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#include <string>
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#include <sys/xattr.h>
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#include <sys/stat.h>
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#include <sys/paths.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <strings.h>
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#include <cpu/defs.h>
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#include <cpu/CpuModule.h>
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#include <cpu/fmem.h>
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#include <macos/errors.h>
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#include "os.h"
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#include "rm.h"
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#include "os_internal.h"
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#include "toolbox.h"
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#include "stackframe.h"
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#include "fs_spec.h"
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using ToolBox::Log;
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using MacOS::macos_error_from_errno;
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extern "C" {
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char * fs_spec_realpath(const char * __restrict path, char * __restrict resolved);
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}
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namespace OS {
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/*
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struct FSSpec {
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short vRefNum;
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long parID;
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StrFileName name; // a Str63 on MacOS
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};
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*/
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// MacOS: -> { -1, 1, "MacOS" }
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// MacOS:dumper -> {-1, 2 "dumper"}
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std::string realpath(const std::string &path)
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{
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char buffer[PATH_MAX + 1];
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// FSSpecs are valid for non-existant files
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// but not non-existant directories.
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// realpath does not behave in such a manner.
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// expand the path. Also handles relative paths.
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char *cp = ::fs_spec_realpath(path.c_str(), buffer);
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if (!cp)
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{
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fprintf(stderr, "realpath failed %s\n", path.c_str());
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return "";
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}
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return std::string(cp);
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}
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uint16_t FSMakeFSSpec(void)
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{
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// FSMakeFSSpec(vRefNum: Integer; dirID: LongInt; fileName: Str255; VAR spec: FSSpec): OSErr;
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/*
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* See Chapter 2, File Manager / Using the File Manager, 2-35
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*
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*
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*/
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uint16_t vRefNum;
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uint32_t dirID;
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uint32_t fileName;
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uint32_t spec;
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StackFrame<14>(vRefNum, dirID, fileName, spec);
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std::string sname = ToolBox::ReadPString(fileName, true);
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Log(" FSMakeFSSpec(%04x, %08x, %s, %08x)\n",
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vRefNum, dirID, sname.c_str(), spec);
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if (vRefNum == 0 && dirID > 0 && sname.length())
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{
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// SC uses dirID + relative path.
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std::string root = FSSpecManager::PathForID(dirID);
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if (root.empty())
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{
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std::memset(memoryPointer(spec), 0, 8);
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return MacOS::dirNFErr;
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}
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sname = root + sname;
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dirID = 0;
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}
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bool absolute = sname.length() ? sname[0] == '/' : false;
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if (absolute || (vRefNum == 0 && dirID == 0))
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{
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std::string leaf;
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std::string path;
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int parentID;
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path = realpath(sname);
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if (path.empty())
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{
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std::memset(memoryPointer(spec), 0, 8);
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return MacOS::mFulErr;
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}
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int pos = path.find_last_of('/');
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if (pos == path.npos)
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{
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// file is relative to cwd.
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leaf = std::move(path);
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parentID = 0;
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}
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else
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{
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leaf = path.substr(pos + 1);
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path = path.substr(0, pos + 1); // include the /
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parentID = FSSpecManager::IDForPath(path, true);
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}
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memoryWriteWord(vRefNum, spec + 0);
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memoryWriteLong(parentID, spec + 2);
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// write the filename...
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ToolBox::WritePString(spec + 6, leaf);
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return 0;
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}
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else
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{
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fprintf(stderr, "FSMakeFSSpec(%04x, %08x) not yet supported\n", vRefNum, dirID);
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exit(1);
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}
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return 0;
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}
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uint16_t FSpOpenDF()
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{
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// FUNCTION FSpOpenDF (spec: FSSpec; permission: SignedByte; VAR refNum: Integer): OSErr;
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uint32_t spec;
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uint8_t permission;
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uint32_t refNum;
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StackFrame<10>(spec, permission, refNum);
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int parentID = memoryReadLong(spec + 2);
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std::string sname = ToolBox::ReadPString(spec + 6, false);
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Log(" FSpOpenDF(%s, %02x, %04x)\n", sname.c_str(), permission, refNum);
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sname = OS::FSSpecManager::ExpandPath(sname, parentID);
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if (sname.empty())
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{
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return MacOS::dirNFErr;
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}
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int fd = Internal::FDEntry::open(sname, permission, 0);
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if (fd < 0) return fd;
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memoryWriteWord(fd, refNum);
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return 0;
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}
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uint16_t FSpGetFInfo()
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{
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// FSpGetFInfo (spec: FSSpec; VAR fndrInfo: FInfo): OSErr;
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uint32_t spec;
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uint32_t finderInfo;
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uint16_t d0;
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StackFrame<8>(spec, finderInfo);
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int parentID = memoryReadLong(spec + 2);
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std::string leaf = ToolBox::ReadPString(spec + 6, false);
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std::string path = FSSpecManager::PathForID(parentID);
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path += leaf;
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Log(" FSpGetFInfo(%s, %08x)\n", path.c_str(), finderInfo);
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d0 = Internal::GetFinderInfo(path, memoryPointer(finderInfo), false);
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return d0;
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}
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uint16_t FSpSetFInfo()
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{
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// FSpSetFInfo (spec: FSSpec; VAR fndrInfo: FInfo): OSErr;
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uint32_t spec;
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uint32_t finderInfo;
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uint16_t d0 = 0;
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StackFrame<8>(spec, finderInfo);
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int parentID = memoryReadLong(spec + 2);
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std::string leaf = ToolBox::ReadPString(spec + 6, false);
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std::string path = FSSpecManager::PathForID(parentID);
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path += leaf;
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Log(" FSpSetFInfo(%s, %08x)\n", path.c_str(), finderInfo);
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d0 = Internal::SetFinderInfo(path, memoryPointer(finderInfo), false);
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return d0;
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}
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uint16_t FSpCreate(void)
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{
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// FUNCTION FSpCreate (spec: FSSpec; creator: OSType;
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// fileType: OSType; scriptTag: ScriptCode):
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// OSErr;
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uint16_t d0 = 0;
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uint32_t sp;
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uint32_t spec;
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uint32_t creator;
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uint32_t fileType;
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uint16_t scriptTag;
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int fd;
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sp = StackFrame<14>(spec, creator, fileType, scriptTag);
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int parentID = memoryReadLong(spec + 2);
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std::string sname = ToolBox::ReadPString(spec + 6, false);
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Log(" FSpCreate(%s, %08x ('%s'), %08x ('%s'), %02x)\n",
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sname.c_str(),
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creator, ToolBox::TypeToString(creator).c_str(),
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fileType, ToolBox::TypeToString(fileType).c_str(),
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scriptTag);
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sname = OS::FSSpecManager::ExpandPath(sname, parentID);
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if (sname.empty())
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{
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return MacOS::dirNFErr;
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}
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fd = ::open(sname.c_str(), O_WRONLY | O_CREAT | O_EXCL, 0666);
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if (fd < 0)
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{
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return macos_error_from_errno();
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}
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else
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{
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::close(fd);
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}
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d0 = OS::Internal::SetFinderInfo(sname, fileType, creator);
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return d0;
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}
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uint16_t ResolveAliasFile()
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{
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// FUNCTION ResolveAliasFile (VAR theSpec: FSSpec;
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// resolveAliasChains: Boolean;
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// VAR targetIsFolder: Boolean;
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// VAR wasAliased: Boolean): OSErr;
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uint32_t spec;
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uint16_t resolveAliasChains;
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uint32_t targetIsFolder;
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uint32_t wasAliased;
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StackFrame<14>(spec, resolveAliasChains, targetIsFolder, wasAliased);
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int parentID = memoryReadLong(spec + 2);
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std::string leaf = ToolBox::ReadPString(spec + 6, false);
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std::string path = FSSpecManager::PathForID(parentID);
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path += leaf;
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Log(" ResolveAliasFile(%s)\n", path.c_str());
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struct stat st;
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int rv;
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rv = ::stat(path.c_str(), &st);
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if (rv < 0)
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{
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if (wasAliased) memoryWriteWord(0, wasAliased);
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if (targetIsFolder) memoryWriteWord(0, targetIsFolder);
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return macos_error_from_errno();
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}
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if (targetIsFolder)
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memoryWriteWord(S_ISDIR(st.st_mode) ? 1 : 0, targetIsFolder);
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// don't bother pretending a soft link is an alias.
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if (wasAliased) memoryWriteWord(0, wasAliased);
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return 0;
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}
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uint16_t HighLevelHFSDispatch(uint16_t trap)
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{
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/*
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* $0001 FSMakeFSSpec
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* $0002 FSpOpenDF
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* $0003 FSpOpenRF
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* $0004 FSpCreate
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* $0005 FSpDirCreate
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* $0006 FSpDelete
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* $0007 FSpGetFInfo
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* $0008 FSpSetFInfo
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* $0009 FSpSetFLock
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* $000A FSpRstFLock
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* $000B FSpRename
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* $000C FSpCatMove
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* $000D FSpOpenResFile
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* $000E FSpCreateResFile
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* $000F FSpExchangeFiles
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*/
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uint16_t selector;
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uint16_t d0;
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selector = cpuGetDReg(0) & 0xffff;
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Log("%04x HighLevelHFSDispatch(%04x)\n", trap, selector);
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switch (selector)
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{
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case 0x0001:
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d0 = FSMakeFSSpec();
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break;
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case 0x0002:
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d0 = FSpOpenDF();
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break;
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case 0x0004:
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d0 = FSpCreate();
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break;
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case 0x0007:
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d0 = FSpGetFInfo();
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break;
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case 0x0008:
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d0 = FSpSetFInfo();
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break;
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case 0x000d:
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d0 = RM::FSpOpenResFile();
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break;
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case 0x000e:
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d0 = RM::FSpCreateResFile();
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break;
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default:
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fprintf(stderr, "HighLevelHFSDispatch selector %04x not yet supported\n", selector);
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exit(1);
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}
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ToolReturn<2>(-1, d0);
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return d0;
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}
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uint16_t HGetVol(uint16_t trap)
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{
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uint32_t parm = cpuGetAReg(0);
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Log("%04x HGetVol(%08x)\n", trap, parm);
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//uint32_t ioCompletion = memoryReadLong(parm + 12);
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uint32_t namePtr = memoryReadLong(parm + 18);
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// ioResult
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memoryWriteWord(0, parm + 16);
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// ioVRefNum
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memoryWriteWord(0, parm + 22);
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// ioWDProcID
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memoryWriteLong(0, parm + 28);
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// ioWDVRefNum
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memoryWriteWord(0, parm + 32);
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// todo -- this should create an FSSpec entry for
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// the current wd and return the id.
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// (FSMakeSpec handles 0 as a dir, so ok for now)
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// ioWDDirID
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memoryWriteLong(0, parm + 48);
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std::string tmp = "MacOS";
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ToolBox::WritePString(namePtr, tmp);
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return 0;
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}
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uint16_t HOpen(uint16_t trap)
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{
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uint32_t parm = cpuGetAReg(0);
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Log("%04x HOpen(%08x)\n", trap, parm);
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return OpenCommon(parm, true, false);
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}
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} |