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FilePlugin.h
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FilePlugin.h
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/****************************************************************************
* PROJECT: Common include
* FILE: FilePlugin.h
* CONTENT:
*
* AUTHOR:
* ADDRESS:
* EMAIL:
* RCSID: $Id$
*
* 2018-03-06 AKG Rename sqFileFileOpen() & sqFileFdOpen() to
* sqConnectToFile() and sqConnectToFileDescriptor()
* 2018-03-01 AKG add sqFileFileOpen() & sqFileFdOpen()
* 2009-05-15 EEM add stdio flag; reorder SQFile to make it more compact
* 2005-03-26 IKP fix unaligned accesses to file member
* 2004-06-10 IKP 64-bit cleanliness
* 01/22/2002 JMM change off_t to squeakOffsetFileType
*/
/* File support definitions */
#include <sys/types.h>
#ifdef _MSC_VER
typedef int mode_t;
#endif
#include "sqMemoryAccess.h"
/* squeak file record; see sqFilePrims.c for details */
typedef struct {
int sessionID; /* ikp: must be first */
void *file;
#if defined(ACORN)
// ACORN has to have 'lastOp' as at least a 32 bit field in order to work
int lastOp; // actually used to save file position
char writable;
char lastChar;
char isStdioStream;
#else
char writable;
char lastOp; /* 0 = uncommitted, 1 = read, 2 = write */
char lastChar;
char isStdioStream;
#endif
} SQFile;
/* file i/o */
sqInt sqFileAtEnd(SQFile *f);
sqInt sqFileClose(SQFile *f);
sqInt sqFileDeleteNameSize(char *sqFileName, sqInt sqFileNameSize);
squeakFileOffsetType sqFileGetPosition(SQFile *f);
sqInt sqFileInit(void);
sqInt sqFileShutdown(void);
sqInt sqFileOpen(SQFile *f, char *sqFileName, sqInt sqFileNameSize, sqInt writeFlag);
sqInt sqFileOpenNew(SQFile *f, char *sqFileName, sqInt sqFileNameSize, sqInt *exists);
sqInt sqConnectToFileDescriptor(SQFile *f, int fd, sqInt writeFlag);
sqInt sqConnectToFile(SQFile *f, void *file, sqInt writeFlag);
size_t sqFileReadIntoAt(SQFile *f, size_t count, char *byteArrayIndex, size_t startIndex);
sqInt sqFileRenameOldSizeNewSize(char *sqOldName, sqInt sqOldNameSize, char *sqNewName, sqInt sqNewNameSize);
sqInt sqFileSetPosition(SQFile *f, squeakFileOffsetType position);
squeakFileOffsetType sqFileSize(SQFile *f);
sqInt sqFileValid(SQFile *f);
size_t sqFileWriteFromAt(SQFile *f, size_t count, char *byteArrayIndex, size_t startIndex);
sqInt sqFileFlush(SQFile *f);
sqInt sqFileSync(SQFile *f);
sqInt sqFileTruncate(SQFile *f,squeakFileOffsetType offset);
sqInt sqFileThisSession(void);
sqInt sqFileStdioHandlesInto(SQFile files[3]);
sqInt sqFileDescriptorType(int fdNum);
EXPORT(sqInt) waitForDataonSemaphoreIndex(SQFile *file, sqInt semaphoreIndex);
/* directories */
sqInt dir_Create(char *pathString, sqInt pathStringLength);
sqInt dir_Delete(char *pathString, sqInt pathStringLength);
sqInt dir_Delimitor(void);
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);
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);
sqInt dir_PathToWorkingDir(char *pathName, sqInt pathNameMax);
sqInt dir_SetMacFileTypeAndCreator(char *filename, sqInt filenameSize, char *fType, char *fCreator);
sqInt dir_GetMacFileTypeAndCreator(char *filename, sqInt filenameSize, char *fType, char *fCreator);