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CogVM source as per Name: VMMaker.oscog-eem.3461
Slang: Adapt to Compiler-eem.508 (better comment formatting). Include compiler package version in Slang version comment added to source files. Plugins: Add get/set working directory primitives to FilePlugin. Fix a type mismatch in the BalloonEnginePlugin. Split the transform/shape loading code in the BalloonEnginePlugin (B2DPlugin) so that it tests for short points once per primituve invocation (which allows for accurate simulation via a typed firstIndexableField:type:). Add primitiveRenderAllScanlines and primitiveGetAllStats to reduce number of primitive invocations substantially, and achieve about a 15% decrease in TTCFont character rendering times.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,361 +1 @@ | ||
| /* sqUnixFile.c -- directory operations for Unix | ||
| * | ||
| * Copyright (C) 1996-2004 by Ian Piumarta and other authors/contributors | ||
| * listed elsewhere in this file. | ||
| * All rights reserved. | ||
| * | ||
| * This file is part of Unix Squeak. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| /* Author: Ian.Piumarta@INRIA.Fr | ||
| */ | ||
|
|
||
| #include "sq.h" | ||
| #include "sqVirtualMachine.h" | ||
| #include "FilePlugin.h" | ||
| #include "sqUnixCharConv.h" | ||
|
|
||
| #ifdef HAVE_DIRENT_H | ||
| # include <dirent.h> | ||
| # define NAMLEN(dirent) strlen((dirent)->d_name) | ||
| #else | ||
| # define dirent direct | ||
| # define NAMLEN(dirent) (dirent)->d_namlen | ||
| # ifdef HAVE_SYS_NDIR_H | ||
| # include <sys/ndir.h> | ||
| # endif | ||
| # ifdef HAVE_SYS_DIR_H | ||
| # include <sys/dir.h> | ||
| # endif | ||
| # ifdef HAVE_NDIR_H | ||
| # include <ndir.h> | ||
| # endif | ||
| #endif | ||
|
|
||
| #ifdef HAVE_UNISTD_H | ||
| # include <sys/types.h> | ||
| # include <unistd.h> | ||
| #endif | ||
|
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||
| #include <time.h> | ||
| #include <errno.h> | ||
| #include <string.h> | ||
| #include <sys/param.h> | ||
| #include <sys/stat.h> | ||
|
|
||
| /*** | ||
| The interface to the directory primitive is path based. | ||
| That is, the client supplies a Squeak string describing | ||
| the path to the directory on every call. To avoid traversing | ||
| this path on every call, a cache is maintained of the last | ||
| path seen, along with the Mac volume and folder reference | ||
| numbers corresponding to that path. | ||
| ***/ | ||
|
|
||
| /*** Constants ***/ | ||
| #define ENTRY_FOUND 0 | ||
| #define NO_MORE_ENTRIES 1 | ||
| #define BAD_PATH 2 | ||
|
|
||
| #define DELIMITER '/' | ||
|
|
||
| /*** Variables ***/ | ||
| char lastPath[MAXPATHLEN+1]; | ||
| int lastPathValid = false; | ||
| int lastIndex= -1; | ||
| DIR *openDir= 0; | ||
|
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|
|
||
| /*** Functions ***/ | ||
|
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||
| static sqInt | ||
| fileAsSqueakTime(time_t unixTime) | ||
| { | ||
| extern struct VirtualMachine* interpreterProxy; | ||
|
|
||
| /* Squeak epoch is Jan 1, 1901. Unix epoch is Jan 1, 1970: 17 leap years | ||
| and 52 non-leap years later than Squeak. */ | ||
| if (interpreterProxy->fileTimesInUTC()) | ||
| return unixTime + (52*365UL + 17*366UL) * 24*60*60UL; | ||
|
|
||
| #ifdef HAVE_TM_GMTOFF | ||
| unixTime+= localtime(&unixTime)->tm_gmtoff; | ||
| #else | ||
| # ifdef HAVE_TIMEZONE | ||
| unixTime+= ((daylight) * 60*60) - timezone; | ||
| # else | ||
| # error: cannot determine timezone correction | ||
| # endif | ||
| #endif | ||
| /* Squeak epoch is Jan 1, 1901. Unix epoch is Jan 1, 1970: 17 leap years | ||
| and 52 non-leap years later than Squeak. */ | ||
| return unixTime + ((52*365UL + 17*366UL) * 24*60*60UL); | ||
| } | ||
|
|
||
| sqInt dir_Create(char *pathString, sqInt pathStringLength) | ||
| { | ||
| /* Create a new directory with the given path. By default, this | ||
| directory is created relative to the cwd. */ | ||
| char name[MAXPATHLEN+1]; | ||
| if (pathStringLength >= MAXPATHLEN) | ||
| return false; | ||
| if (!sq2uxPath(pathString, pathStringLength, name, MAXPATHLEN, 1)) | ||
| return false; | ||
| return mkdir(name, 0777) == 0; /* rwxrwxrwx & ~umask */ | ||
| } | ||
|
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|
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| sqInt dir_Delete(char *pathString, sqInt pathStringLength) | ||
| { | ||
| /* Delete the existing directory with the given path. */ | ||
| char name[MAXPATHLEN+1]; | ||
| if (pathStringLength >= MAXPATHLEN) | ||
| return false; | ||
| if (!sq2uxPath(pathString, pathStringLength, name, MAXPATHLEN, 1)) | ||
| return false; | ||
| if (lastPathValid && !strcmp(lastPath, name)) | ||
| { | ||
| closedir(openDir); | ||
| lastPathValid= false; | ||
| lastIndex= -1; | ||
| lastPath[0]= '\0'; | ||
| } | ||
| return rmdir(name) == 0; | ||
| } | ||
|
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|
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| sqInt dir_Delimitor(void) | ||
| { | ||
| return DELIMITER; | ||
| } | ||
|
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|
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||
| static int maybeOpenDir(char *unixPath) | ||
| { | ||
| /* if the last opendir was to the same directory, re-use the directory | ||
| pointer from last time. Otherwise close the previous directory, | ||
| open the new one, and save its name. Return true if the operation | ||
| was successful, false if not. */ | ||
| if (!lastPathValid || strcmp(lastPath, unixPath)) | ||
| { | ||
| /* invalidate the old, open the new */ | ||
| if (lastPathValid) | ||
| closedir(openDir); | ||
| lastPathValid= false; | ||
| strncpy(lastPath, unixPath, MAXPATHLEN); | ||
| if ((openDir= opendir(unixPath)) == 0) | ||
| return false; | ||
| lastPathValid= true; | ||
| lastIndex= 0; /* first entry is index 1 */ | ||
| } | ||
| return true; | ||
| } | ||
|
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||
| sqInt dir_Lookup(char *pathString, sqInt pathStringLength, sqInt index, | ||
| /* outputs: */ char *name, sqInt *nameLength, sqInt *creationDate, sqInt *modificationDate, | ||
| sqInt *isDirectory, squeakFileOffsetType *sizeIfFile, sqInt * posixPermissions, sqInt *isSymlink) | ||
| { | ||
| /* Lookup the index-th entry of the directory with the given path, starting | ||
| at the root of the file system. Set the name, name length, creation date, | ||
| creation time, directory flag, and file size (if the entry is a file). | ||
| Return: 0 if a entry is found at the given index | ||
| 1 if the directory has fewer than index entries | ||
| 2 if the given path has bad syntax or does not reach a directory | ||
| */ | ||
|
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||
| int i; | ||
| int nameLen= 0; | ||
| struct dirent *dirEntry= 0; | ||
| char unixPath[MAXPATHLEN+1]; | ||
| struct stat statBuf; | ||
|
|
||
| /* default return values */ | ||
| *name = 0; | ||
| *nameLength = 0; | ||
| *creationDate = 0; | ||
| *modificationDate = 0; | ||
| *isDirectory = false; | ||
| *sizeIfFile = 0; | ||
| *posixPermissions = 0; | ||
| *isSymlink = false; | ||
|
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||
| if (pathStringLength == 0) | ||
| strcpy(unixPath, "."); | ||
| else if (!sq2uxPath(pathString, pathStringLength, unixPath, MAXPATHLEN, 1)) | ||
| return BAD_PATH; | ||
|
|
||
| /* get file or directory info */ | ||
| if (!maybeOpenDir(unixPath)) | ||
| return BAD_PATH; | ||
|
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||
| if (++lastIndex == index) | ||
| index= 1; /* fake that the dir is rewound and we want the first entry */ | ||
| else | ||
| { | ||
| rewinddir(openDir); /* really rewind it, and read to the index */ | ||
| lastIndex= index; | ||
| } | ||
|
|
||
| for (i= 0; i < index; i++) | ||
| { | ||
| nextEntry: | ||
| do | ||
| { | ||
| errno= 0; | ||
| dirEntry= readdir(openDir); | ||
| } | ||
| while ((dirEntry == 0) && (errno == EINTR)); | ||
|
|
||
| if (!dirEntry) | ||
| return NO_MORE_ENTRIES; | ||
|
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| nameLen= NAMLEN(dirEntry); | ||
|
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| /* ignore '.' and '..' (these are not *guaranteed* to be first) */ | ||
| if (nameLen < 3 && dirEntry->d_name[0] == '.') | ||
| if (nameLen == 1 || dirEntry->d_name[1] == '.') | ||
| goto nextEntry; | ||
| } | ||
|
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| *nameLength= ux2sqPath(dirEntry->d_name, nameLen, name, MAXPATHLEN, 0); | ||
|
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||
| { | ||
| char terminatedName[MAXPATHLEN+1]; | ||
| if(nameLen > MAXPATHLEN) | ||
| return BAD_PATH; | ||
| strncpy(terminatedName, dirEntry->d_name, nameLen); | ||
| terminatedName[nameLen]= '\0'; | ||
| if(strlen(unixPath) + 1 + nameLen > MAXPATHLEN) | ||
| return BAD_PATH; | ||
| strcat(unixPath, "/"); | ||
| strcat(unixPath, terminatedName); | ||
| if (stat(unixPath, &statBuf) && lstat(unixPath, &statBuf)) | ||
| { | ||
| /* We can't stat the entry, but failing here would invalidate | ||
| the whole directory --bertf */ | ||
| return ENTRY_FOUND; | ||
| } | ||
| } | ||
|
|
||
| /* last change time */ | ||
| *creationDate= fileAsSqueakTime(statBuf.st_ctime); | ||
| /* modification time */ | ||
| *modificationDate= fileAsSqueakTime(statBuf.st_mtime); | ||
|
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| if (S_ISDIR(statBuf.st_mode)) | ||
| *isDirectory= true; | ||
| else | ||
| *sizeIfFile= statBuf.st_size; | ||
|
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| *isSymlink = S_ISLNK(statBuf.st_mode); | ||
| *posixPermissions = statBuf.st_mode & 0777; | ||
|
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| return ENTRY_FOUND; | ||
| } | ||
|
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|
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| sqInt dir_EntryLookup(char *pathString, sqInt pathStringLength, char* nameString, sqInt nameStringLength, | ||
| /* outputs: */ char *name, sqInt *nameLength, sqInt *creationDate, sqInt *modificationDate, | ||
| sqInt *isDirectory, squeakFileOffsetType *sizeIfFile, sqInt *posixPermissions, sqInt *isSymlink) | ||
| { | ||
| /* Lookup the given name in the given directory, | ||
| Set the name, name length, creation date, | ||
| creation time, directory flag, and file size (if the entry is a file). | ||
| Return: 0 if a entry is found at the given index | ||
| 1 if there is no such entry in the directory | ||
| 2 if the given path has bad syntax or does not reach a directory | ||
| */ | ||
|
|
||
| char unixPath[MAXPATHLEN+1]; | ||
| struct stat statBuf; | ||
|
|
||
| /* default return values */ | ||
| *name = 0; | ||
| *nameLength = 0; | ||
| *creationDate = 0; | ||
| *modificationDate = 0; | ||
| *isDirectory = false; | ||
| *sizeIfFile = 0; | ||
| *posixPermissions = 0; | ||
| *isSymlink = false; | ||
|
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| if (pathStringLength == 0) | ||
| strcpy(unixPath, "."); | ||
| else if (!sq2uxPath(pathString, pathStringLength, unixPath, MAXPATHLEN, 1)) | ||
| return BAD_PATH; | ||
|
|
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| char terminatedName[MAXPATHLEN+1]; | ||
| if(nameStringLength > MAXPATHLEN) | ||
| return BAD_PATH; | ||
| strncpy(terminatedName, nameString, nameStringLength); | ||
| terminatedName[nameStringLength]= '\0'; | ||
| if(strlen(unixPath) + 1 + nameStringLength > MAXPATHLEN) | ||
| return BAD_PATH; | ||
| strcat(unixPath, "/"); | ||
| strcat(unixPath, terminatedName); | ||
| if (stat(unixPath, &statBuf) && lstat(unixPath, &statBuf)) { | ||
| return NO_MORE_ENTRIES; | ||
| } | ||
|
|
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| /* To match the results of dir_Lookup, copy back the file name */ | ||
| *nameLength = ux2sqPath(nameString, nameStringLength, name, 256, 0); | ||
|
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| /* last change time */ | ||
| *creationDate= fileAsSqueakTime(statBuf.st_ctime); | ||
| /* modification time */ | ||
| *modificationDate= fileAsSqueakTime(statBuf.st_mtime); | ||
|
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| if (S_ISDIR(statBuf.st_mode)) | ||
| *isDirectory= true; | ||
| else | ||
| *sizeIfFile= statBuf.st_size; | ||
|
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| *isSymlink = S_ISLNK(statBuf.st_mode); | ||
| *posixPermissions = statBuf.st_mode & 0777; | ||
|
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| return ENTRY_FOUND; | ||
| } | ||
|
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| /* unix files are untyped, and the creator is correct by default */ | ||
|
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|
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| sqInt dir_SetMacFileTypeAndCreator(char *filename, sqInt filenameSize, char *fType, char *fCreator) | ||
| { | ||
| return true; | ||
| } | ||
|
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| sqInt dir_GetMacFileTypeAndCreator(char *filename, sqInt filenameSize, char *fType, char *fCreator) | ||
| { | ||
| return true; | ||
| } | ||
|
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|
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| /* | ||
| * The following is useful in a debugging context when the VM's output has been | ||
| * directed to a log file. It binds stdout to /dev/tty, arranging that output | ||
| * of debugging print routines such as printOop appear on stdout. | ||
| */ | ||
| void | ||
| sqStdoutToDevTTY() | ||
| { | ||
| if (!freopen("/dev/tty","w",stdout)) | ||
| perror("sqStdoutToDevTTY freopen(\"/dev/tty\",\"w\",stdout):"); | ||
| } | ||
| #include "../../../unix/plugins/FilePlugin/sqUnixFile.c" |
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