mirror of https://github.com/BOINC/boinc.git
172 lines
4.0 KiB
C
172 lines
4.0 KiB
C
/*
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Copyright (c) 1990-2000 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2000-Apr-09 or later
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(the contents of which are also included in unzip.h) for terms of use.
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If, for some reason, all these files are missing, the Info-ZIP license
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also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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/*---------------------------------------------------------------------------
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macdir.c
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* This file provides dirent-style directory-reading procedures
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* for V7 Unix systems that don't have such procedures.
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*
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*
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---------------------------------------------------------------------------*/
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/*****************************************************************************/
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/* Includes */
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/*****************************************************************************/
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#include <Errors.h>
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#include <Files.h>
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#include <Strings.h>
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#include <sound.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "macdir.h"
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#include "helpers.h"
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#include "pathname.h"
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/*****************************************************************************/
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/* Functions */
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/*****************************************************************************/
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int closedir(DIR *dPtr)
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{
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free(dPtr);
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return 0;
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}
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DIR *opendir(char *dirName)
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{
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int fullPath;
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unsigned pathLen;
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char *s;
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HParamBlockRec hPB;
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CInfoPBRec cPB;
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DIR *dPtr;
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OSErr err;
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FSSpec spec;
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char CompletePath[NAME_MAX];
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GetCompletePath(CompletePath, dirName, &spec, &err);
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printerr("GetCompletePath", err, err, __LINE__, __FILE__, dirName);
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if (dirName == NULL || *dirName == '\0' ||
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(pathLen = strlen(dirName)) >= 256) {
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errno = EINVAL;
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return NULL;
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}
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/* Get information about volume. */
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memset(&hPB, '\0', sizeof(hPB));
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if (((s = strchr(dirName, ':')) == NULL) || (*dirName == ':')) {
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fullPath = false;
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} else {
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*(s + 1) = '\0';
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hPB.volumeParam.ioVolIndex = -1;
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fullPath = true;
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}
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hPB.volumeParam.ioNamePtr = spec.name;
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err = PBHGetVInfoSync(&hPB);
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if ((err != noErr) || (hPB.volumeParam.ioVFSID != 0)) {
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errno = ENOENT;
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return NULL;
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}
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/* Get information about file. */
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memset(&cPB, '\0', sizeof(cPB));
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if (fullPath)
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cPB.hFileInfo.ioVRefNum = hPB.volumeParam.ioVRefNum;
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cPB.hFileInfo.ioNamePtr = spec.name;
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err = PBGetCatInfoSync(&cPB);
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if (err != noErr) {
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errno = (err == fnfErr) ? ENOENT : EIO;
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return NULL;
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}
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if (!(cPB.hFileInfo.ioFlAttrib & ioDirMask)) {
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errno = ENOTDIR;
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return NULL;
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}
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/* Get space for, and fill in, DIR structure. */
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if ((dPtr = (DIR *)malloc(sizeof(DIR))) == NULL) {
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return NULL;
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}
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dPtr->ioVRefNum = cPB.dirInfo.ioVRefNum;
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dPtr->ioDrDirID = cPB.dirInfo.ioDrDirID;
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dPtr->ioFDirIndex = 1;
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dPtr->flags = 0;
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return dPtr;
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}
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struct dirent *readdir(DIR *dPtr)
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{
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struct dirent *dirPtr;
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CInfoPBRec cPB;
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char name[256];
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OSErr err;
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if (dPtr->flags) {
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return NULL;
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}
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/* Get information about file. */
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memset(&cPB, '\0', sizeof(cPB));
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cPB.hFileInfo.ioNamePtr = (StringPtr)name;
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cPB.hFileInfo.ioFDirIndex = dPtr->ioFDirIndex;
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cPB.hFileInfo.ioVRefNum = dPtr->ioVRefNum;
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cPB.hFileInfo.ioDirID = dPtr->ioDrDirID;
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err = PBGetCatInfoSync(&cPB);
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if (err != noErr) {
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dPtr->flags = 0xff;
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errno = (err == fnfErr) ? ENOENT : EIO;
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return NULL;
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}
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p2cstr((StringPtr)name);
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dirPtr = &dPtr->currEntry;
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dirPtr->d_fileno = dPtr->ioFDirIndex++;
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dirPtr->d_namlen = strlen(name);
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strcpy(dirPtr->d_name, name);
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dirPtr->d_reclen = sizeof(struct dirent) - sizeof(dirPtr->d_name) +
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dirPtr->d_namlen;
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return dirPtr;
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}
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const char *BOINC_RCSID_ce8da9987d = "$Id$";
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