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