diff options
Diffstat (limited to 'mac/tclMacFile.c')
-rw-r--r-- | mac/tclMacFile.c | 832 |
1 files changed, 0 insertions, 832 deletions
diff --git a/mac/tclMacFile.c b/mac/tclMacFile.c deleted file mode 100644 index 94582bd..0000000 --- a/mac/tclMacFile.c +++ /dev/null @@ -1,832 +0,0 @@ -/* - * tclMacFile.c -- - * - * This file implements the channel drivers for Macintosh - * files. It also comtains Macintosh version of other Tcl - * functions that deal with the file system. - * - * Copyright (c) 1995-1998 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclMacFile.c,v 1.6 1999/04/16 00:47:20 stanton Exp $ - */ - -/* - * Note: This code eventually needs to support async I/O. In doing this - * we will need to keep track of all current async I/O. If exit to shell - * is called - we shouldn't exit until all asyc I/O completes. - */ - -#include "tclInt.h" -#include "tclPort.h" -#include "tclMacInt.h" -#include <Aliases.h> -#include <Errors.h> -#include <Processes.h> -#include <Strings.h> -#include <Types.h> -#include <MoreFiles.h> -#include <MoreFilesExtras.h> -#include <FSpCompat.h> - -/* - * Static variables used by the TclpStat function. - */ -static int initialized = false; -static long gmt_offset; -TCL_DECLARE_MUTEX(gmtMutex) - - -/* - *---------------------------------------------------------------------- - * - * Tcl_FindExecutable -- - * - * This procedure computes the absolute path name of the current - * application, given its argv[0] value. However, this - * implementation doesn't need the argv[0] value. NULL - * may be passed in its place. - * - * Results: - * None. - * - * Side effects: - * The variable tclExecutableName gets filled in with the file - * name for the application, if we figured it out. If we couldn't - * figure it out, Tcl_FindExecutable is set to NULL. - * - *---------------------------------------------------------------------- - */ - -void -Tcl_FindExecutable( - CONST char *argv0) /* The value of the application's argv[0]. */ -{ - ProcessSerialNumber psn; - ProcessInfoRec info; - Str63 appName; - FSSpec fileSpec; - int pathLength; - Handle pathName = NULL; - OSErr err; - Tcl_DString ds; - - TclInitSubsystems(argv0); - - GetCurrentProcess(&psn); - info.processInfoLength = sizeof(ProcessInfoRec); - info.processName = appName; - info.processAppSpec = &fileSpec; - GetProcessInformation(&psn, &info); - - if (tclExecutableName != NULL) { - ckfree(tclExecutableName); - tclExecutableName = NULL; - } - - err = FSpPathFromLocation(&fileSpec, &pathLength, &pathName); - HLock(pathName); - Tcl_ExternalToUtfDString(NULL, *pathName, pathLength, &ds); - HUnlock(pathName); - DisposeHandle(pathName); - - tclExecutableName = (char *) ckalloc((unsigned) - (Tcl_DStringLength(&ds) + 1)); - strcpy(tclExecutableName, Tcl_DStringValue(&ds)); - Tcl_DStringFree(&ds); -} - -/* - *---------------------------------------------------------------------- - * - * TclpMatchFiles -- - * - * This routine is used by the globbing code to search a - * directory for all files which match a given pattern. - * - * Results: - * If the tail argument is NULL, then the matching files are - * added to the the interp's result. Otherwise, TclDoGlob is called - * recursively for each matching subdirectory. The return value - * is a standard Tcl result indicating whether an error occurred - * in globbing. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- */ - -int -TclpMatchFiles( - Tcl_Interp *interp, /* Interpreter to receive results. */ - char *separators, /* Directory separators to pass to TclDoGlob. */ - Tcl_DString *dirPtr, /* Contains path to directory to search. */ - char *pattern, /* Pattern to match against. */ - char *tail) /* Pointer to end of pattern. Tail must - * point to a location in pattern and must - * not be static.*/ -{ - char *dirName, *patternEnd = tail; - char savedChar; - int result = TCL_OK; - int baseLength = Tcl_DStringLength(dirPtr); - CInfoPBRec pb; - OSErr err; - FSSpec dirSpec; - Boolean isDirectory; - long dirID; - short itemIndex; - Str255 fileName; - Tcl_DString fileString; - - /* - * Make sure that the directory part of the name really is a - * directory. - */ - - dirName = dirPtr->string; - FSpLocationFromPath(strlen(dirName), dirName, &dirSpec); - err = FSpGetDirectoryID(&dirSpec, &dirID, &isDirectory); - if ((err != noErr) || !isDirectory) { - return TCL_OK; - } - - /* - * Now open the directory for reading and iterate over the contents. - */ - - pb.hFileInfo.ioVRefNum = dirSpec.vRefNum; - pb.hFileInfo.ioDirID = dirID; - pb.hFileInfo.ioNamePtr = (StringPtr) fileName; - pb.hFileInfo.ioFDirIndex = itemIndex = 1; - - /* - * Clean up the end of the pattern and the tail pointer. Leave - * the tail pointing to the first character after the path separator - * following the pattern, or NULL. Also, ensure that the pattern - * is null-terminated. - */ - - if (*tail == '\\') { - tail++; - } - if (*tail == '\0') { - tail = NULL; - } else { - tail++; - } - savedChar = *patternEnd; - *patternEnd = '\0'; - - while (1) { - pb.hFileInfo.ioFDirIndex = itemIndex; - pb.hFileInfo.ioDirID = dirID; - err = PBGetCatInfoSync(&pb); - if (err != noErr) { - break; - } - - /* - * Now check to see if the file matches. If there are more - * characters to be processed, then ensure matching files are - * directories before calling TclDoGlob. Otherwise, just add - * the file to the result. - */ - - Tcl_ExternalToUtfDString(NULL, (char *) fileName + 1, fileName[0], - &fileString); - if (Tcl_StringMatch(Tcl_DStringValue(&fileString), pattern)) { - Tcl_DStringSetLength(dirPtr, baseLength); - Tcl_DStringAppend(dirPtr, Tcl_DStringValue(&fileString), -1); - if (tail == NULL) { - if ((dirPtr->length > 1) && - (strchr(dirPtr->string+1, ':') == NULL)) { - Tcl_AppendElement(interp, dirPtr->string+1); - } else { - Tcl_AppendElement(interp, dirPtr->string); - } - } else if ((pb.hFileInfo.ioFlAttrib & ioDirMask) != 0) { - Tcl_DStringAppend(dirPtr, ":", 1); - result = TclDoGlob(interp, separators, dirPtr, tail); - if (result != TCL_OK) { - Tcl_DStringFree(&fileString); - break; - } - } - } - Tcl_DStringFree(&fileString); - - itemIndex++; - } - *patternEnd = savedChar; - - return result; -} - -/* - *---------------------------------------------------------------------- - * - * TclpAccess -- - * - * This function replaces the library version of access(). - * - * Results: - * See access documentation. - * - * Side effects: - * See access documentation. - * - *---------------------------------------------------------------------- - */ - -int -TclpAccess( - CONST char *path, /* Path of file to access (UTF-8). */ - int mode) /* Permission setting. */ -{ - HFileInfo fpb; - HVolumeParam vpb; - OSErr err; - FSSpec fileSpec; - Boolean isDirectory; - long dirID; - Tcl_DString ds; - char *native; - int full_mode = 0; - - native = Tcl_UtfToExternalDString(NULL, path, -1, &ds); - err = FSpLocationFromPath(Tcl_DStringLength(&ds), native, &fileSpec); - Tcl_DStringFree(&ds); - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return -1; - } - - /* - * Fill the fpb & vpb struct up with info about file or directory. - */ - FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - vpb.ioVRefNum = fpb.ioVRefNum = fileSpec.vRefNum; - vpb.ioNamePtr = fpb.ioNamePtr = fileSpec.name; - if (isDirectory) { - fpb.ioDirID = fileSpec.parID; - } else { - fpb.ioDirID = dirID; - } - - fpb.ioFDirIndex = 0; - err = PBGetCatInfoSync((CInfoPBPtr)&fpb); - if (err == noErr) { - vpb.ioVolIndex = 0; - err = PBHGetVInfoSync((HParmBlkPtr)&vpb); - if (err == noErr) { - /* - * Use the Volume Info & File Info to determine - * access information. If we have got this far - * we know the directory is searchable or the file - * exists. (We have F_OK) - */ - - /* - * Check to see if the volume is hardware or - * software locked. If so we arn't W_OK. - */ - if (mode & W_OK) { - if ((vpb.ioVAtrb & 0x0080) || (vpb.ioVAtrb & 0x8000)) { - errno = EROFS; - return -1; - } - if (fpb.ioFlAttrib & 0x01) { - errno = EACCES; - return -1; - } - } - - /* - * Directories are always searchable and executable. But only - * files of type 'APPL' are executable. - */ - if (!(fpb.ioFlAttrib & 0x10) && (mode & X_OK) - && (fpb.ioFlFndrInfo.fdType != 'APPL')) { - return -1; - } - } - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return -1; - } - - return 0; -} - -/* - *---------------------------------------------------------------------- - * - * TclpChdir -- - * - * This function replaces the library version of chdir(). - * - * Results: - * See chdir() documentation. - * - * Side effects: - * See chdir() documentation. Also the cache maintained used by - * TclGetCwd() is deallocated and set to NULL. - * - *---------------------------------------------------------------------- - */ - -int -TclpChdir( - CONST char *dirName) /* Path to new working directory (UTF-8). */ -{ - FSSpec spec; - OSErr err; - Boolean isFolder; - long dirID; - Tcl_DString ds; - char *native; - - native = Tcl_UtfToExternalDString(NULL, dirName, -1, &ds); - err = FSpLocationFromPath(Tcl_DStringLength(&ds), native, &spec); - Tcl_DStringFree(&ds); - - if (err != noErr) { - errno = ENOENT; - return -1; - } - - err = FSpGetDirectoryID(&spec, &dirID, &isFolder); - if (err != noErr) { - errno = ENOENT; - return -1; - } - - if (isFolder != true) { - errno = ENOTDIR; - return -1; - } - - err = FSpSetDefaultDir(&spec); - if (err != noErr) { - switch (err) { - case afpAccessDenied: - errno = EACCES; - break; - default: - errno = ENOENT; - } - return -1; - } - - return 0; -} - -/* - *---------------------------------------------------------------------- - * - * TclpGetCwd -- - * - * This function replaces the library version of getcwd(). - * - * Results: - * The result is a pointer to a string specifying the current - * directory, or NULL if the current directory could not be - * determined. If NULL is returned, an error message is left in the - * interp's result. Storage for the result string is allocated in - * bufferPtr; the caller must call Tcl_DStringFree() when the result - * is no longer needed. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -char * -TclpGetCwd( - Tcl_Interp *interp, /* If non-NULL, used for error reporting. */ - Tcl_DString *bufferPtr) /* Uninitialized or free DString filled - * with name of current directory. */ -{ - FSSpec theSpec; - int length; - Handle pathHandle = NULL; - - if (FSpGetDefaultDir(&theSpec) != noErr) { - if (interp != NULL) { - Tcl_SetResult(interp, "error getting working directory name", - TCL_STATIC); - } - return NULL; - } - if (FSpPathFromLocation(&theSpec, &length, &pathHandle) != noErr) { - if (interp != NULL) { - Tcl_SetResult(interp, "error getting working directory name", - TCL_STATIC); - } - return NULL; - } - HLock(pathHandle); - Tcl_ExternalToUtfDString(NULL, *pathHandle, length, bufferPtr); - HUnlock(pathHandle); - DisposeHandle(pathHandle); - - return Tcl_DStringValue(bufferPtr); -} - -/* - *---------------------------------------------------------------------- - * - * TclpReadlink -- - * - * This function replaces the library version of readlink(). - * - * Results: - * The result is a pointer to a string specifying the contents - * of the symbolic link given by 'path', or NULL if the symbolic - * link could not be read. Storage for the result string is - * allocated in bufferPtr; the caller must call Tcl_DStringFree() - * when the result is no longer needed. - * - * Side effects: - * See readlink() documentation. - * - *--------------------------------------------------------------------------- - */ - -char * -TclpReadlink( - CONST char *path, /* Path of file to readlink (UTF-8). */ - Tcl_DString *linkPtr) /* Uninitialized or free DString filled - * with contents of link (UTF-8). */ -{ - HFileInfo fpb; - OSErr err; - FSSpec fileSpec; - Boolean isDirectory; - Boolean wasAlias; - long dirID; - char fileName[257]; - char *end; - Handle theString = NULL; - int pathSize; - Tcl_DString ds; - char *native; - - native = Tcl_UtfToExternalDString(NULL, path, -1, &ds); - - /* - * Remove ending colons if they exist. - */ - - while ((strlen(native) != 0) && (path[strlen(native) - 1] == ':')) { - native[strlen(native) - 1] = NULL; - } - - if (strchr(native, ':') == NULL) { - strcpy(fileName + 1, native); - native = NULL; - } else { - end = strrchr(native, ':') + 1; - strcpy(fileName + 1, end); - *end = NULL; - } - fileName[0] = (char) strlen(fileName + 1); - - /* - * Create the file spec for the directory of the file - * we want to look at. - */ - - if (native != NULL) { - err = FSpLocationFromPath(strlen(native), native, &fileSpec); - if (err != noErr) { - Tcl_DStringFree(&ds); - errno = EINVAL; - return NULL; - } - } else { - FSMakeFSSpecCompat(0, 0, NULL, &fileSpec); - } - Tcl_DStringFree(&ds); - - /* - * Fill the fpb struct up with info about file or directory. - */ - - FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - fpb.ioVRefNum = fileSpec.vRefNum; - fpb.ioDirID = dirID; - fpb.ioNamePtr = (StringPtr) fileName; - - fpb.ioFDirIndex = 0; - err = PBGetCatInfoSync((CInfoPBPtr)&fpb); - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return NULL; - } else { - if (fpb.ioFlAttrib & 0x10) { - errno = EINVAL; - return NULL; - } else { - if (fpb.ioFlFndrInfo.fdFlags & 0x8000) { - /* - * The file is a link! - */ - } else { - errno = EINVAL; - return NULL; - } - } - } - - /* - * If we are here it's really a link - now find out - * where it points to. - */ - err = FSMakeFSSpecCompat(fileSpec.vRefNum, dirID, (StringPtr) fileName, - &fileSpec); - if (err == noErr) { - err = ResolveAliasFile(&fileSpec, true, &isDirectory, &wasAlias); - } - if ((err == fnfErr) || wasAlias) { - err = FSpPathFromLocation(&fileSpec, &pathSize, &theString); - if (err != noErr) { - DisposeHandle(theString); - errno = ENAMETOOLONG; - return NULL; - } - } else { - errno = EINVAL; - return NULL; - } - - Tcl_ExternalToUtfDString(NULL, *theString, pathSize, linkPtr); - DisposeHandle(theString); - - return Tcl_DStringValue(linkPtr); -} - -/* - *---------------------------------------------------------------------- - * - * TclpStat -- - * - * This function replaces the library version of stat(). - * - * Results: - * See stat() documentation. - * - * Side effects: - * See stat() documentation. - * - *---------------------------------------------------------------------- - */ - -int -TclpStat( - CONST char *path, /* Path of file to stat (in UTF-8). */ - struct stat *bufPtr) /* Filled with results of stat call. */ -{ - HFileInfo fpb; - HVolumeParam vpb; - OSErr err; - FSSpec fileSpec; - Boolean isDirectory; - long dirID; - Tcl_DString ds; - - path = Tcl_UtfToExternalDString(NULL, path, -1, &ds); - err = FSpLocationFromPath(Tcl_DStringLength(&ds), path, &fileSpec); - Tcl_DStringFree(&ds); - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return -1; - } - - /* - * Fill the fpb & vpb struct up with info about file or directory. - */ - - FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - vpb.ioVRefNum = fpb.ioVRefNum = fileSpec.vRefNum; - vpb.ioNamePtr = fpb.ioNamePtr = fileSpec.name; - if (isDirectory) { - fpb.ioDirID = fileSpec.parID; - } else { - fpb.ioDirID = dirID; - } - - fpb.ioFDirIndex = 0; - err = PBGetCatInfoSync((CInfoPBPtr)&fpb); - if (err == noErr) { - vpb.ioVolIndex = 0; - err = PBHGetVInfoSync((HParmBlkPtr)&vpb); - if (err == noErr && bufPtr != NULL) { - /* - * Files are always readable by everyone. - */ - - bufPtr->st_mode = S_IRUSR | S_IRGRP | S_IROTH; - - /* - * Use the Volume Info & File Info to fill out stat buf. - */ - if (fpb.ioFlAttrib & 0x10) { - bufPtr->st_mode |= S_IFDIR; - bufPtr->st_nlink = 2; - } else { - bufPtr->st_nlink = 1; - if (fpb.ioFlFndrInfo.fdFlags & 0x8000) { - bufPtr->st_mode |= S_IFLNK; - } else { - bufPtr->st_mode |= S_IFREG; - } - } - if ((fpb.ioFlAttrib & 0x10) || (fpb.ioFlFndrInfo.fdType == 'APPL')) { - /* - * Directories and applications are executable by everyone. - */ - - bufPtr->st_mode |= S_IXUSR | S_IXGRP | S_IXOTH; - } - if ((fpb.ioFlAttrib & 0x01) == 0){ - /* - * If not locked, then everyone has write acces. - */ - - bufPtr->st_mode |= S_IWUSR | S_IWGRP | S_IWOTH; - } - bufPtr->st_ino = fpb.ioDirID; - bufPtr->st_dev = fpb.ioVRefNum; - bufPtr->st_uid = -1; - bufPtr->st_gid = -1; - bufPtr->st_rdev = 0; - bufPtr->st_size = fpb.ioFlLgLen; - bufPtr->st_blksize = vpb.ioVAlBlkSiz; - bufPtr->st_blocks = (bufPtr->st_size + bufPtr->st_blksize - 1) - / bufPtr->st_blksize; - - /* - * The times returned by the Mac file system are in the - * local time zone. We convert them to GMT so that the - * epoch starts from GMT. This is also consistant with - * what is returned from "clock seconds". - */ - - Tcl_MutexLock(&gmtMutex); - if (initialized == false) { - MachineLocation loc; - - ReadLocation(&loc); - gmt_offset = loc.u.gmtDelta & 0x00ffffff; - if (gmt_offset & 0x00800000) { - gmt_offset = gmt_offset | 0xff000000; - } - initialized = true; - } - Tcl_MutexUnlock(&gmtMutex); - - bufPtr->st_atime = bufPtr->st_mtime = fpb.ioFlMdDat - gmt_offset; - bufPtr->st_ctime = fpb.ioFlCrDat - gmt_offset; - } - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - } - - return (err == noErr ? 0 : -1); -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_WaitPid -- - * - * Fakes a call to wait pid. - * - * Results: - * Always returns -1. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -Tcl_Pid -Tcl_WaitPid( - Tcl_Pid pid, - int *statPtr, - int options) -{ - return (Tcl_Pid) -1; -} - -/* - *---------------------------------------------------------------------- - * - * TclMacFOpenHack -- - * - * This function replaces fopen. It supports paths with alises. - * Note, remember to undefine the fopen macro! - * - * Results: - * See fopen documentation. - * - * Side effects: - * See fopen documentation. - * - *---------------------------------------------------------------------- - */ - -#undef fopen -FILE * -TclMacFOpenHack( - CONST char *path, - CONST char *mode) -{ - OSErr err; - FSSpec fileSpec; - Handle pathString = NULL; - int size; - FILE * f; - - err = FSpLocationFromPath(strlen(path), (char *) path, &fileSpec); - if ((err != noErr) && (err != fnfErr)) { - return NULL; - } - err = FSpPathFromLocation(&fileSpec, &size, &pathString); - if ((err != noErr) && (err != fnfErr)) { - return NULL; - } - - HLock(pathString); - f = fopen(*pathString, mode); - HUnlock(pathString); - DisposeHandle(pathString); - return f; -} - -/* - *---------------------------------------------------------------------- - * - * TclMacOSErrorToPosixError -- - * - * Given a Macintosh OSErr return the appropiate POSIX error. - * - * Results: - * A Posix error. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TclMacOSErrorToPosixError( - int error) /* A Macintosh error. */ -{ - switch (error) { - case noErr: - return 0; - case bdNamErr: - return ENAMETOOLONG; - case afpObjectTypeErr: - return ENOTDIR; - case fnfErr: - case dirNFErr: - return ENOENT; - case dupFNErr: - return EEXIST; - case dirFulErr: - case dskFulErr: - return ENOSPC; - case fBsyErr: - return EBUSY; - case tmfoErr: - return ENFILE; - case fLckdErr: - case permErr: - case afpAccessDenied: - return EACCES; - case wPrErr: - case vLckdErr: - return EROFS; - case badMovErr: - return EINVAL; - case diffVolErr: - return EXDEV; - default: - return EINVAL; - } -} |