cosmopolitan/third_party/infozip/zip/macos/source/macopen.c
2021-06-22 12:38:56 -07:00

363 lines
9.6 KiB
C

/*
Copyright (c) 1990-1999 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 1999-Oct-05 or later
(the contents of which are also included in zip.h) for terms of use.
If, for some reason, both of these files are missing, the Info-ZIP license
also may be found at: ftp://ftp.cdrom.com/pub/infozip/license.html
*/
/*** macopen.c; stuff only required for the Mac port ***/
#include "zip.h"
#include <string.h>
#include <fcntl.h>
#include <unix.h>
#include <sound.h>
#include "helpers.h"
#include "pathname.h"
#include "macopen.h"
#include "macstuff.h"
#ifdef MACZIP
#include "macglob.h"
extern char *zipfile; /* filename of the Zipfile */
extern char *tempzip; /* Temporary zip file name */
extern MacZipGlobals MacZip;
/* don't include "osdep.h" otherwise we will trap into endless loop */
#undef open
#undef fopen
FILE *MacFopen(const char *path, const char *mode)
{
static char TruncPath[NAME_MAX];
OSErr err = 0;
AssertStr(path,path)
/* open zipfile or tempzip */
if (strcmp(zipfile,path) == 0)
{
GetCompletePath(MacZip.ZipFullPath,path,&MacZip.ZipFileSpec,&err);
err = PrintUserHFSerr((err != -43) && (err != 0), err, path);
printerr("GetCompletePath:",err,err,__LINE__,__FILE__,path);
if (CheckMountedVolumes(MacZip.ZipFullPath) > 1)
DoWarnUserDupVol(MacZip.ZipFullPath);
/* tempfile should appear in the same directory of the zipfile
-> save path of zipfile */
TruncFilename(TruncPath, MacZip.ZipFullPath);
return fopen(MacZip.ZipFullPath, mode);
}
if (strcmp(tempzip,path) == 0)
{ /* add path of zipfile */
sstrcat(TruncPath,tempzip);
GetCompletePath(MacZip.TempZipFullPath,TruncPath,&MacZip.TempZipFileSpec,&err);
err = PrintUserHFSerr((err != -43) && (err != 0), err, path);
printerr("GetCompletePath:",err,err,__LINE__,__FILE__,path);
return fopen(MacZip.TempZipFullPath, mode);
}
printerr("MacFopen:",err,err,__LINE__,__FILE__,path);
return NULL;
}
int MacOpen(const char *path,int oflag, ...)
{
char RealFname[NAME_MAX];
AssertStr(path,path)
RfDfFilen2Real(RealFname,path, MacZip.MacZipMode, MacZip.DataForkOnly, &MacZip.CurrentFork);
/* convert to real fname and init global var MacZip.CurrentFork !! */
switch (MacZip.CurrentFork)
{
case DataFork:
{
return my_open(RealFname, oflag);
break;
}
case ResourceFork:
{
return my_open( RealFname, oflag | O_RSRC);
break;
}
default: /* for now (Zip ver 2.3b) MacOpen should never reach this point */
{ /* however, this may change in the future ... */
printerr("open: no resource / datafork ",-1,-1,__LINE__,__FILE__,path);
return -1;
}
}
}
#ifdef muell
/* file to delete */
int destroy(char *path)
{
static char lastpath[NAME_MAX];
char currpath[NAME_MAX];
static Boolean FirstCall = true;
long rc;
AssertStr(path,path)
RfDfFilen2Real(currpath, path, MacZip.MacZipMode, MacZip.DataForkOnly, &MacZip.CurrentFork);
if (FirstCall == true)
{
FirstCall = false;
rc = remove(currpath);
}
else if (strcmp(currpath,lastpath) == 0) return 0; /* ignore, file is already deleted */
else rc = remove(currpath); /* we are removeing all the files only by their
pathname this is dangerous on a mac but there is no other way without
a complete rewrite of the port */
strcpy(lastpath,currpath);
return rc;
}
#endif
/* this function replaces the function "replace()" defined in fileio.c */
int replace(char *new_f, char *temp_f) /* destination and source file names */
{
OSErr err = 0;
char newfname[NAME_MAX];
AssertStr(new_f,new_f)
AssertStr(temp_f,temp_f)
UserStop();
GetFilename(newfname, new_f);
/* check zipfile name and tempfile name */
/* we are using this function only for replacing the tempfile with the zipfile */
if ((strcmp(zipfile,new_f) == 0) || (strcmp(tempzip,temp_f) == 0))
{
remove(MacZip.ZipFullPath);
/* rename the temp file to the zip file */
err = rename(MacZip.TempZipFullPath,MacZip.ZipFullPath);
printerr("rename:",err,err,__LINE__,__FILE__,MacZip.TempZipFullPath);
if (err != 0) return ZE_CREAT;
else return ZE_OK;
}
else return ZE_CREAT;
}
/* file to delete */
/* we are removeing all the files only by their
pathname this is dangerous on a mac but there is no
other way without a complete rewrite of the port */
int destroy(char *path)
{
static char lastpath[NAME_MAX];
static FSSpec trashfolder;
static Boolean FirstCall = true;
static char Num = 0;
static Boolean Immediate_File_Deletion = false;
char currpath[NAME_MAX], *envptr;
FSSpec fileToDelete;
OSErr err;
/* init this function */
if ((path == NULL) ||
(strlen(path) == 0))
{
FirstCall = true;
Num = 0;
return -1;
}
UserStop();
RfDfFilen2Real(currpath, path, MacZip.MacZipMode,
MacZip.DataForkOnly, &MacZip.CurrentFork);
GetCompletePath(currpath,currpath,&fileToDelete, &err);
if (FirstCall == true)
{
FirstCall = false;
sstrcpy(lastpath,currpath);
err = FSpFindFolder(fileToDelete.vRefNum, kTrashFolderType,
kDontCreateFolder,&trashfolder);
printerr("FSpFindFolder:",err,err,__LINE__,__FILE__,path);
envptr = getenv("Immediate_File_Deletion");
if (!(envptr == (char *)NULL || *envptr == '\0'))
{
if (stricmp(envptr,"yes") == 0)
Immediate_File_Deletion = true;
else
Immediate_File_Deletion = false;
}
if (Immediate_File_Deletion)
{
err = FSpDelete(&fileToDelete);
return err;
}
err = CatMove (fileToDelete.vRefNum, fileToDelete.parID,
fileToDelete.name, trashfolder.parID, trashfolder.name);
return err;
}
if (strcmp(currpath,lastpath) == 0)
{
return 0; /* ignore, file is already deleted */
}
else
{
if (Immediate_File_Deletion)
{
err = FSpDelete(&fileToDelete);
sstrcpy(lastpath,path);
return err;
}
err = CatMove (fileToDelete.vRefNum, fileToDelete.parID,
fileToDelete.name, trashfolder.parID, trashfolder.name);
/* -48 = file is already existing so we have to rename it before
moving the file */
if (err == -48)
{
Num++;
if (fileToDelete.name[0] >= 28) /* cut filename if to long */
fileToDelete.name[0] = 28;
P2CStr(fileToDelete.name);
sprintf(currpath,"%s~%d",(char *)fileToDelete.name,Num);
C2PStr(currpath);
C2PStr((char *)fileToDelete.name);
err = HRename (fileToDelete.vRefNum, fileToDelete.parID,
fileToDelete.name, (unsigned char *) currpath);
err = CatMove (fileToDelete.vRefNum, fileToDelete.parID,
(unsigned char *) currpath, trashfolder.parID,
trashfolder.name);
}
}
sstrcpy(lastpath,currpath);
return err;
}
#endif /* #ifdef MACZIP */
/*
* int open(const char *path, int oflag)
*
* Opens a file stream.
*/
int my_open(char *path, int oflag)
{
FSSpec spec;
char permission;
HParamBlockRec hpb;
OSErr err, errno;
Boolean targetIsFolder, wasAliased;
AssertStr(path,path)
/* Setup permission */
if ((oflag & 0x03) == O_RDWR)
permission = fsRdWrPerm;
else
permission = (oflag & O_RDONLY) ? fsRdPerm : 0 + (oflag & O_WRONLY) ? fsWrPerm : 0;
FSpLocationFromFullPath(strlen(path),path, &spec);
if ((oflag & (O_ALIAS | O_NRESOLVE)) == 0)
ResolveAliasFile(&spec, true, &targetIsFolder, &wasAliased);
hpb.fileParam.ioNamePtr = spec.name;
hpb.fileParam.ioVRefNum = spec.vRefNum;
hpb.fileParam.ioDirID = spec.parID;
hpb.ioParam.ioPermssn = permission;
if (oflag & O_RSRC) /* open the resource fork of the file */
err = PBHOpenRFSync(&hpb);
else /* open the data fork of the file */
err = PBHOpenDFSync(&hpb);
if ((err == fnfErr) && (oflag & O_CREAT)) {
hpb.fileParam.ioFlVersNum = 0;
err = PBHCreateSync(&hpb);
if (err == noErr) {
/* Set the finder info */
unsigned long secs;
unsigned long isbinary = oflag & O_BINARY;
hpb.fileParam.ioFlFndrInfo.fdType = '\?\?\?\?';
hpb.fileParam.ioFlFndrInfo.fdCreator = '\?\?\?\?';
hpb.fileParam.ioFlFndrInfo.fdFlags = 0;
if (oflag & O_ALIAS) /* set the alias bit */
hpb.fileParam.ioFlFndrInfo.fdFlags = kIsAlias;
else /* clear all flags */
hpb.fileParam.ioFlFndrInfo.fdFlags = 0;
GetDateTime(&secs);
hpb.fileParam.ioFlCrDat = hpb.fileParam.ioFlMdDat = secs;
PBHSetFInfoSync(&hpb);
}
if (err && (err != dupFNErr)) {
errno = err; return -1;
}
if (oflag & O_RSRC) /* open the resource fork of the file */
err = PBHOpenRFSync(&hpb);
else /* open the data fork of the file */
err = PBHOpenDFSync(&hpb);
}
if (err && (err != dupFNErr) && (err != opWrErr)) {
errno = err; return -1;
}
if (oflag & O_TRUNC) {
IOParam pb;
pb.ioRefNum = hpb.ioParam.ioRefNum;
pb.ioMisc = 0L;
err = PBSetEOFSync((ParmBlkPtr)&pb);
if (err != noErr) {
errno = err; return -1;
}
}
if (oflag & O_APPEND) lseek(hpb.ioParam.ioRefNum,0,SEEK_END);
return (hpb.ioParam.ioRefNum);
}