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author | Guido van Rossum <guido@python.org> | 1995-01-02 19:13:30 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 1995-01-02 19:13:30 (GMT) |
commit | 437a0e60baa6eabc2c853bee7ce1543481db8ca7 (patch) | |
tree | 3224ff6c7dbe77480db312e04a50a159af80523b /Mac | |
parent | d7047b395e392ce9e46f9a83480ade8b37f6d5b0 (diff) | |
download | cpython-437a0e60baa6eabc2c853bee7ce1543481db8ca7.zip cpython-437a0e60baa6eabc2c853bee7ce1543481db8ca7.tar.gz cpython-437a0e60baa6eabc2c853bee7ce1543481db8ca7.tar.bz2 |
Think 6.0 version
Diffstat (limited to 'Mac')
-rw-r--r-- | Mac/fopenRF.c | 213 |
1 files changed, 75 insertions, 138 deletions
diff --git a/Mac/fopenRF.c b/Mac/fopenRF.c index f18f7d9..04f192e 100644 --- a/Mac/fopenRF.c +++ b/Mac/fopenRF.c @@ -1,21 +1,19 @@ /* - * fopenRF.c -- Clone of fopen.c to open Mac resource forks. + * fopen.c * - * Copyright (c) 1989 Symantec Corporation. All rights reserved. + * Copyright (c) 1991 Symantec Corporation. All rights reserved. * */ +#include <MacHeaders> + #include "stdio.h" #include "errno.h" #include "string.h" #include "ansi_private.h" -FILE *fopenRF(char *, char *); -FILE *freopenRF(char *, char *, FILE *); -FILE *__openRF(char *, int, int, FILE *); - -#include <Files.h> +extern long _ftype, _fcreator; #define fcbVPtr(fcb) (* (VCB **) (fcb + 20)) #define fcbDirID(fcb) (* (long *) (fcb + 58)) @@ -27,20 +25,18 @@ static int fileio(FILE *, int); static int close(FILE *); static void replace(unsigned char *, size_t, int, int); +FILE *freopenRF(); +FILE *__openRF(); FILE * -fopenRF(filename, mode) -char *filename, *mode; +fopenRF(const char *filename, const char *mode) { return(freopenRF(filename, mode, __getfile())); } FILE * -freopenRF(filename, mode, fp) -char *filename; -register char *mode; -register FILE *fp; +freopenRF(const char *filename, const char *mode, FILE *fp) { int omode, oflag; @@ -83,12 +79,9 @@ register FILE *fp; FILE * -__openRF(filename, omode, oflag, fp) -char *filename; -int omode, oflag; -register FILE *fp; +__openRF(const char *filename, int omode, int oflag, FILE *fp) { - ioParam pb; + IOParam pb; char pname[FILENAME_MAX]; if (fp == NULL) @@ -106,10 +99,7 @@ register FILE *fp; /* create file */ if (oflag & F_CREAT) { - asm { - lea pb,a0 - _PBCreate - } + PBCreateSync((ParmBlkPtr)&pb); if (pb.ioResult == noErr) oflag &= ~F_TRUNC; else if (pb.ioResult == dupFNErr && !(oflag & F_EXCL)) @@ -120,32 +110,23 @@ register FILE *fp; } } - /* open resource file */ + /* open file */ - asm { - lea pb,a0 - _PBOpenRF - } + PBOpenRFSync((ParmBlkPtr)&pb); if (pb.ioResult) { errno = pb.ioResult; - if (oflag & F_CREAT) asm { - lea pb,a0 - _PBDelete - } + if (oflag & F_CREAT) + PBDeleteSync((ParmBlkPtr)&pb); return(NULL); } fp->refnum = pb.ioRefNum; /* get/set file length */ - if (oflag & F_TRUNC) asm { - lea pb,a0 - _PBSetEOF - } - else if (!(oflag & F_CREAT)) asm { - lea pb,a0 - _PBGetEOF - } + 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 */ @@ -177,28 +158,22 @@ register FILE *fp; */ static void -setfiletype(name, oflag) -StringPtr name; -int oflag; +setfiletype(StringPtr name, int oflag) { - fileParam pb; + FileParam pb; pb.ioNamePtr = name; pb.ioVRefNum = 0; pb.ioFVersNum = 0; pb.ioFDirIndex = 0; - asm { - lea pb,a0 - _PBGetFInfo - bmi.s @1 + 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); } - pb.ioFlFndrInfo.fdType = pb.ioFlFndrInfo.fdCreator = '????'; - if (!(oflag & F_BINARY)) - pb.ioFlFndrInfo.fdType = 'TEXT'; - asm { - lea pb,a0 - _PBSetFInfo -@1 } } @@ -208,7 +183,7 @@ int oflag; */ static void -stdio_exit() +stdio_exit(void) { register FILE *fp; int n; @@ -224,11 +199,9 @@ stdio_exit() */ static int -fileio(fp, i) -register FILE *fp; -int i; +fileio(FILE *fp, int i) { - ioParam pb; + IOParam pb; pb.ioRefNum = fp->refnum; switch (i) { @@ -240,10 +213,7 @@ int i; pb.ioReqCount = fp->cnt; pb.ioPosMode = fp->refnum > 0 ? fsFromStart : fsAtMark; pb.ioPosOffset = fp->pos - fp->cnt; - asm { - lea pb,a0 - _PBRead - } + PBReadSync((ParmBlkPtr)&pb); if (pb.ioResult == eofErr) { fp->pos = pb.ioPosOffset; if (fp->cnt = pb.ioActCount) @@ -253,11 +223,7 @@ int i; return(EOF); } } - if (pb.ioResult) { - fp->pos -= fp->cnt; - fp->cnt = 0; - } - else if (!fp->binary) + if (!pb.ioResult && !fp->binary) replace(fp->ptr, fp->cnt, '\r', '\n'); break; @@ -269,23 +235,13 @@ int i; pb.ioPosMode = fp->refnum > 0 ? fsFromStart : fsAtMark; if ((pb.ioPosOffset = fp->pos - fp->cnt) > fp->len) { pb.ioMisc = (Ptr) pb.ioPosOffset; - asm { - lea pb,a0 - _PBSetEOF - bmi.s @1 - } + if (PBSetEOFSync((ParmBlkPtr)&pb) != noErr) + break; } if (!fp->binary) replace(fp->ptr, fp->cnt, '\n', '\r'); - asm { - lea pb,a0 - _PBWrite -@1 } - if (pb.ioResult) { - fp->pos -= fp->cnt; - fp->cnt = 0; - } - else if (pb.ioPosOffset > fp->len) + PBWriteSync((ParmBlkPtr)&pb); + if (!pb.ioResult && pb.ioPosOffset > fp->len) fp->len = pb.ioPosOffset; break; @@ -299,6 +255,10 @@ int i; /* done */ if (pb.ioResult) { + if (i < 2) { + fp->pos -= fp->cnt; + fp->cnt = 0; + } fp->err = 1; errno = pb.ioResult; return(EOF); @@ -308,73 +268,52 @@ int i; static int -close(fp) -register FILE *fp; +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.ioNamePtr = buf; - pb.ioFRefNum = fp->refnum; pb.ioVRefNum = vcb->vcbVRefNum; - pb.ioFVersNum = 0; + if (fp->remove) { + pb.ioNamePtr = buf; + pb.ioFVersNum = 0; - /* close temporary file - HFS */ - - if (fp->delete && vcb->vcbSigWord == 0x4244) { - pb.ioDirID = fcbDirID(fcb); - s = fcbCName(fcb); - asm { - lea buf,a0 - moveq #0,d0 - move.b (s),d0 -@1 move.b (s)+,(a0)+ - dbra d0,@1 - lea pb,a0 - _PBClose - bmi.s @9 - _PBHDelete + /* 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 (fp->delete && vcb->vcbSigWord == 0xD2D7) { - pb.ioFDirIndex = 1; - do asm { - lea pb,a0 - _PBGetFInfo - bmi.s @2 - addq.w #1,pb.ioFDirIndex - } while (pb.ioFRefNum != fp->refnum); - asm { - lea pb,a0 - _PBClose - bmi.s @9 - _PBDelete + /* 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; + } + } } } - /* normal case - just close file */ - - else { - asm { -@2 lea pb,a0 - _PBClose - bmi.s @9 - } - } + /* close file and flush volume buffer */ - /* flush volume buffer */ - - pb.ioNamePtr = 0; - asm { - lea pb,a0 - _PBFlshVol -@9 } + 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); } @@ -385,11 +324,9 @@ register FILE *fp; */ static void -replace(s, n, c1, c2) -register unsigned char *s; -register size_t n; -register int c1, c2; +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) { |