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PBGatCatInfo -- support for enumerating a directory.
This commit is contained in:
Kelvin Sherlock
parent
67d176856a
commit
3ef7de4b8a
@ -40,6 +40,7 @@
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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 <dirent.h>
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#include <strings.h>
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@ -123,6 +124,126 @@ namespace OS {
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return d0;
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}
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static uint16_t CatInfoByName(std::string &sname, uint32_t parm) {
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enum { // FileParam
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_qLink = 0,
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_qType = 4,
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_ioTrap = 6,
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_ioCmdAddr = 8,
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_ioCompletion = 12,
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_ioResult = 16,
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_ioNamePtr = 18,
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_ioVRefNum = 22,
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_ioFRefNum = 24,
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_ioFVersNum = 26,
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_filler1 = 27,
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_ioFDirIndex = 28,
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_ioFlAttrib = 30,
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_ioACUser = 31,
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/* HFileInfo */
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_ioFlFndrInfo = 32,
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_ioDirID = 48,
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_ioFlStBlk = 52,
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_ioFlLgLen = 54,
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_ioFlPyLen = 58,
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_ioFlRStBlk = 62,
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_ioFlRLgLen = 64,
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_ioFlRPyLen = 68,
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_ioFlCrDat = 72,
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_ioFlMdDat = 76,
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_ioFlBkDat = 80,
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_ioFlXFndrInfo = 84,
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_ioFlParID = 100,
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_ioFlClpSiz = 104,
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/* DirInfo */
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_ioDrUsrWds = 32,
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_ioDrDirID = 48,
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_ioDrNmFls = 52,
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_filler3 = 54,
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_ioDrCrDat = 72,
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_ioDrMdDat = 76,
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_ioDrBkDat = 80,
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_ioDrFndrInfo = 84,
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_ioDrParID = 100,
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};
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struct stat st;
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if (::stat(sname.c_str(), &st) < 0)
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{
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return macos_error_from_errno();
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}
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if (S_ISDIR(st.st_mode))
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{
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// bit 4 - is a directory.
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memoryWriteByte(1 << 4, parm + _ioFlAttrib);
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memoryWriteByte(0, parm + _ioACUser);
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std::memset(memoryPointer(parm + _ioDrUsrWds), 0, 16); // DInfo
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// cw68k expects the directory ID to be set.
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uint32_t dirID = FSSpecManager::IDForPath(sname);
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memoryWriteLong(dirID, parm + _ioDrDirID);
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// the links count should be ~= number of dirents ( +2 for . and ..)
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int links = st.st_nlink - 2;
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if (links < 0) links = 0;
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if (links > 65535) links = 65535;
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memoryWriteWord(links, parm + _ioDrNmFls); // ioDrNmFls - # of files in dir
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memoryWriteLong(UnixToMac(st.st_birthtime), parm + _ioDrCrDat); // create
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioDrMdDat); // modify
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioDrBkDat); // backup
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std::memset(memoryPointer(parm + _ioDrFndrInfo), 0, 16); // DXInfo
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memoryWriteLong(0, parm + _ioDrParID);
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}
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else
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{
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memoryWriteByte(0, parm + _ioFlAttrib);
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memoryWriteByte(0, parm + _ioACUser);
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Internal::GetFinderInfo(sname, memoryPointer(parm + _ioFlFndrInfo), false); // finder info
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memoryWriteLong(0, parm + _ioDirID);
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memoryWriteWord(0, parm + _ioFlStBlk);
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memoryWriteLong(st.st_size, parm + _ioFlLgLen);
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memoryWriteLong(st.st_size, parm + _ioFlPyLen);
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// resource info... below
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memoryWriteLong(UnixToMac(st.st_birthtime), parm + _ioFlCrDat); // create
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioFlMdDat); // modify
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioFlBkDat); // backup
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std::memset(memoryPointer(parm + _ioFlXFndrInfo), 0, 16); // FXInfo
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memoryWriteWord(0, parm + _ioFlParID);
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memoryWriteWord(0, parm + _ioFlClpSiz);
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sname.append(_PATH_RSRCFORKSPEC);
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if (::stat(sname.c_str(), &st) >= 0)
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{
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memoryWriteWord(0, parm + _ioFlRStBlk);
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memoryWriteLong(st.st_size, parm + _ioFlRLgLen);
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memoryWriteLong(st.st_size, parm + _ioFlRPyLen);
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}
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else
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{
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memoryWriteWord(0, parm + _ioFlRStBlk);
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memoryWriteLong(0, parm + _ioFlRLgLen);
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memoryWriteLong(0, parm + _ioFlRPyLen);
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}
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}
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return 0;
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}
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uint16_t PBGetCatInfo(uint32_t parm)
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{
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@ -199,96 +320,64 @@ namespace OS {
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}
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Log(" PBGetCatInfo(%s)\n", sname.c_str());
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d0 = CatInfoByName(sname, parm);
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struct stat st;
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if (::stat(sname.c_str(), &st) < 0)
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{
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d0 = macos_error_from_errno();
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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if (S_ISDIR(st.st_mode))
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{
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// bit 4 - is a directory.
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memoryWriteByte(1 << 4, parm + _ioFlAttrib);
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memoryWriteByte(0, parm + _ioACUser);
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std::memset(memoryPointer(parm + _ioDrUsrWds), 0, 16); // DInfo
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// cw68k expects the directory ID to be set.
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uint32_t dirID = FSSpecManager::IDForPath(sname);
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memoryWriteLong(dirID, parm + _ioDrDirID);
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// the links count should be ~= number of dirents ( +2 for . and ..)
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int links = st.st_nlink - 2;
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if (links < 0) links = 0;
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if (links > 65535) links = 65535;
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memoryWriteWord(links, parm + _ioDrNmFls); // ioDrNmFls - # of files in dir
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memoryWriteLong(UnixToMac(st.st_birthtime), parm + _ioDrCrDat); // create
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioDrMdDat); // modify
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioDrBkDat); // backup
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std::memset(memoryPointer(parm + _ioDrFndrInfo), 0, 16); // DXInfo
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memoryWriteLong(0, parm + _ioDrParID);
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}
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else
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{
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memoryWriteByte(0, parm + _ioFlAttrib);
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memoryWriteByte(0, parm + _ioACUser);
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Internal::GetFinderInfo(sname, memoryPointer(parm + _ioFlFndrInfo), false); // finder info
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memoryWriteLong(0, parm + _ioDirID);
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memoryWriteWord(0, parm + _ioFlStBlk);
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memoryWriteLong(st.st_size, parm + _ioFlLgLen);
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memoryWriteLong(st.st_size, parm + _ioFlPyLen);
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// resource info... below
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memoryWriteLong(UnixToMac(st.st_birthtime), parm + _ioFlCrDat); // create
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioFlMdDat); // modify
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memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioFlBkDat); // backup
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std::memset(memoryPointer(parm + _ioFlXFndrInfo), 0, 16); // FXInfo
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memoryWriteWord(0, parm + _ioFlParID);
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memoryWriteWord(0, parm + _ioFlClpSiz);
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sname.append(_PATH_RSRCFORKSPEC);
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if (::stat(sname.c_str(), &st) >= 0)
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{
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memoryWriteWord(0, parm + _ioFlRStBlk);
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memoryWriteLong(st.st_size, parm + _ioFlRLgLen);
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memoryWriteLong(st.st_size, parm + _ioFlRPyLen);
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}
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else
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{
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memoryWriteWord(0, parm + _ioFlRStBlk);
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memoryWriteLong(0, parm + _ioFlRLgLen);
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memoryWriteLong(0, parm + _ioFlRPyLen);
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}
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}
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// no error.
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memoryWriteWord(0, parm + _ioResult);
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return 0;
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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else
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{
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fprintf(stderr, "GetFileInfo -- ioFDirIndex not yet supported\n");
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exit(1);
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// dirent ish. ioFDirIndex is the 1-based entry.
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uint32_t ioDirID = memoryReadLong(parm + _ioDirID);
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Log(" PBGetCatInfo(%04x, %04x)\n", ioDirID, ioFDirIndex);
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std::string sname = FSSpecManager::PathForID(ioDirID);
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if (sname.empty()) sname = ".";
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sname = OS::realpath(sname);
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// if sname == "", error...
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DIR *dp;
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struct dirent *dir;
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dp = opendir(sname.c_str());
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if (!dp) {
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d0 = macos_error_from_errno();
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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while ((dir = readdir(dp))) {
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if (dir->d_name[0] == '.') {
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if (!strcmp(dir->d_name, ".")) continue;
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if (!strcmp(dir->d_name, "..")) continue;
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}
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if (dir->d_namlen > 255) continue; // too long!
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if (--ioFDirIndex == 0) break;
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}
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if (!dir) {
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closedir(dp);
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d0 = MacOS::fnfErr;
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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if (ioNamePtr) {
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ToolBox::WritePString(ioNamePtr, dir->d_name);
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}
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sname.push_back('/');
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sname.append(dir->d_name);
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closedir(dp);
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d0 = CatInfoByName(sname, parm);
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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return 0;
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@ -5,7 +5,11 @@
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#include <string>
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#include <sys/types.h>
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namespace OS { namespace Internal {
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namespace OS {
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std::string realpath(const std::string &path);
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namespace Internal {
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uint16_t GetFinderInfo(const std::string &pathname, void *info, bool extended);
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uint16_t SetFinderInfo(const std::string &pathname, void *info, bool extended);
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@ -18,6 +22,8 @@ namespace OS { namespace Internal {
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int32_t mac_seek(uint16_t refNum, uint16_t mode, int32_t offset);
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struct FDEntry
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{
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int refcount;
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