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-rw-r--r--Mac/think/fopenRF.c336
1 files changed, 0 insertions, 336 deletions
diff --git a/Mac/think/fopenRF.c b/Mac/think/fopenRF.c
deleted file mode 100644
index 04f192e..0000000
--- a/Mac/think/fopenRF.c
+++ /dev/null
@@ -1,336 +0,0 @@
-
-/*
- * fopen.c
- *
- * Copyright (c) 1991 Symantec Corporation. All rights reserved.
- *
- */
-
-#include <MacHeaders>
-
-#include "stdio.h"
-#include "errno.h"
-#include "string.h"
-#include "ansi_private.h"
-
-extern long _ftype, _fcreator;
-
-#define fcbVPtr(fcb) (* (VCB **) (fcb + 20))
-#define fcbDirID(fcb) (* (long *) (fcb + 58))
-#define fcbCName(fcb) (fcb + 62)
-
-static void setfiletype(StringPtr, int);
-static void stdio_exit(void);
-static int fileio(FILE *, int);
-static int close(FILE *);
-static void replace(unsigned char *, size_t, int, int);
-
-FILE *freopenRF();
-FILE *__openRF();
-
-FILE *
-fopenRF(const char *filename, const char *mode)
-{
- return(freopenRF(filename, mode, __getfile()));
-}
-
-
-FILE *
-freopenRF(const char *filename, const char *mode, FILE *fp)
-{
- int omode, oflag;
-
- /* interpret "rwa" */
-
- if (mode[0] == 'r') {
- omode = fsRdPerm;
- oflag = 0;
- }
- else if (mode[0] == 'w') {
- omode = fsWrPerm;
- oflag = F_CREAT+F_TRUNC;
- }
- else if (mode[0] == 'a') {
- omode = fsWrPerm;
- oflag = F_CREAT+F_APPEND;
- }
- else {
- errno = EINVAL;
- return(NULL);
- }
-
- /* interpret "b+" */
-
- if (mode[1] == 'b') {
- oflag |= F_BINARY;
- if (mode[2] == '+')
- omode = fsRdWrPerm;
- }
- else if (mode[1] == '+') {
- omode = fsRdWrPerm;
- if (mode[2] == 'b')
- oflag |= F_BINARY;
- }
-
- /* open the file */
-
- return(__openRF(filename, omode, oflag, fp));
-}
-
-
-FILE *
-__openRF(const char *filename, int omode, int oflag, FILE *fp)
-{
- IOParam pb;
- char pname[FILENAME_MAX];
-
- if (fp == NULL)
- return(NULL);
- fclose(fp);
-
- /* set up pb */
-
- pb.ioNamePtr = __c2p(filename, pname);
- pb.ioVRefNum = 0;
- pb.ioVersNum = 0;
- pb.ioPermssn = omode;
- pb.ioMisc = 0;
-
- /* create file */
-
- if (oflag & F_CREAT) {
- PBCreateSync((ParmBlkPtr)&pb);
- if (pb.ioResult == noErr)
- oflag &= ~F_TRUNC;
- else if (pb.ioResult == dupFNErr && !(oflag & F_EXCL))
- oflag &= ~F_CREAT;
- else {
- errno = pb.ioResult;
- return(NULL);
- }
- }
-
- /* open file */
-
- PBOpenRFSync((ParmBlkPtr)&pb);
- if (pb.ioResult) {
- errno = pb.ioResult;
- if (oflag & F_CREAT)
- PBDeleteSync((ParmBlkPtr)&pb);
- return(NULL);
- }
- fp->refnum = pb.ioRefNum;
-
- /* get/set file length */
-
- if (oflag & F_TRUNC)
- PBSetEOFSync((ParmBlkPtr)&pb);
- else if (!(oflag & F_CREAT))
- PBGetEOFSync((ParmBlkPtr)&pb);
- fp->len = (fpos_t) pb.ioMisc;
-
- /* initialize rest of FILE structure */
-
- if (oflag & F_APPEND) {
- fp->append = 1;
- fp->pos = fp->len;
- }
- if (oflag & F_BINARY)
- fp->binary = 1;
- setvbuf(fp, NULL, _IOFBF, BUFSIZ);
- fp->proc = fileio;
-
- /* set file type */
-
- if (oflag & (F_CREAT|F_TRUNC))
- setfiletype(pb.ioNamePtr, oflag);
-
- /* done */
-
- __atexit_stdio(stdio_exit);
- return(fp);
-}
-
-
-/*
- * setfiletype - set type/creator of new file
- *
- */
-
-static void
-setfiletype(StringPtr name, int oflag)
-{
- FileParam pb;
-
- pb.ioNamePtr = name;
- pb.ioVRefNum = 0;
- pb.ioFVersNum = 0;
- pb.ioFDirIndex = 0;
- if (PBGetFInfoSync((ParmBlkPtr)&pb) == noErr) {
- if (oflag & F_BINARY)
- pb.ioFlFndrInfo.fdType = _ftype;
- else
- pb.ioFlFndrInfo.fdType = 'TEXT';
- pb.ioFlFndrInfo.fdCreator = _fcreator;
- PBSetFInfoSync((ParmBlkPtr)&pb);
- }
-}
-
-
-/*
- * stdio_exit - stdio shutdown routine
- *
- */
-
-static void
-stdio_exit(void)
-{
- register FILE *fp;
- int n;
-
- for (fp = &__file[0], n = FOPEN_MAX; n--; fp++)
- fclose(fp);
-}
-
-
-/*
- * fileio - I/O handler proc for files and devices
- *
- */
-
-static int
-fileio(FILE *fp, int i)
-{
- IOParam pb;
-
- pb.ioRefNum = fp->refnum;
- switch (i) {
-
- /* read */
-
- case 0:
- pb.ioBuffer = (Ptr) fp->ptr;
- pb.ioReqCount = fp->cnt;
- pb.ioPosMode = fp->refnum > 0 ? fsFromStart : fsAtMark;
- pb.ioPosOffset = fp->pos - fp->cnt;
- PBReadSync((ParmBlkPtr)&pb);
- if (pb.ioResult == eofErr) {
- fp->pos = pb.ioPosOffset;
- if (fp->cnt = pb.ioActCount)
- pb.ioResult = 0;
- else {
- fp->eof = 1;
- return(EOF);
- }
- }
- if (!pb.ioResult && !fp->binary)
- replace(fp->ptr, fp->cnt, '\r', '\n');
- break;
-
- /* write */
-
- case 1:
- pb.ioBuffer = (Ptr) fp->ptr;
- pb.ioReqCount = fp->cnt;
- pb.ioPosMode = fp->refnum > 0 ? fsFromStart : fsAtMark;
- if ((pb.ioPosOffset = fp->pos - fp->cnt) > fp->len) {
- pb.ioMisc = (Ptr) pb.ioPosOffset;
- if (PBSetEOFSync((ParmBlkPtr)&pb) != noErr)
- break;
- }
- if (!fp->binary)
- replace(fp->ptr, fp->cnt, '\n', '\r');
- PBWriteSync((ParmBlkPtr)&pb);
- if (!pb.ioResult && pb.ioPosOffset > fp->len)
- fp->len = pb.ioPosOffset;
- break;
-
- /* close */
-
- case 2:
- pb.ioResult = close(fp);
- break;
- }
-
- /* done */
-
- if (pb.ioResult) {
- if (i < 2) {
- fp->pos -= fp->cnt;
- fp->cnt = 0;
- }
- fp->err = 1;
- errno = pb.ioResult;
- return(EOF);
- }
- return(0);
-}
-
-
-static int
-close(FILE *fp)
-{
- HFileParam pb;
- Str255 buf;
- register char *fcb = FCBSPtr + fp->refnum;
- VCB *vcb = fcbVPtr(fcb);
- register char *s;
- enum { none, MFS, HFS } del = none;
-
- pb.ioVRefNum = vcb->vcbVRefNum;
- if (fp->remove) {
- pb.ioNamePtr = buf;
- pb.ioFVersNum = 0;
-
- /* close temporary file - HFS */
-
- if (vcb->vcbSigWord == 0x4244) {
- pb.ioDirID = fcbDirID(fcb);
- s = fcbCName(fcb);
- memcpy(buf, s, Length(s) + 1);
- del = HFS;
- }
-
- /* close temporary file - MFS */
-
- else if (vcb->vcbSigWord == 0xD2D7) {
- for (pb.ioFDirIndex = 1; PBGetFInfoSync((ParmBlkPtr)&pb) == noErr; pb.ioFDirIndex++) {
- if (pb.ioFRefNum == fp->refnum) {
- del = MFS;
- break;
- }
- }
- }
- }
-
- /* close file and flush volume buffer */
-
- pb.ioFRefNum = fp->refnum;
- if (PBCloseSync((ParmBlkPtr)&pb) == noErr) {
- if (del == MFS)
- PBDeleteSync((ParmBlkPtr)&pb);
- else if (del == HFS)
- PBHDeleteSync((HParmBlkPtr)&pb);
- pb.ioNamePtr = 0;
- PBFlushVolSync((ParmBlkPtr)&pb);
- }
- return(pb.ioResult);
-}
-
-
-/*
- * replace - routine for doing CR/LF conversion
- *
- */
-
-static void
-replace(register unsigned char *s, register size_t n, register int c1, register int c2)
-{
-#pragma options(honor_register)
- register unsigned char *t;
-
- for (; n && (t = memchr(s, c1, n)); s = t) {
- *t++ = c2;
- n -= t - s;
- }
-}
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