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ciderpress/app/ACUArchive.cpp

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/*
* CiderPress
* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
* See the file LICENSE for distribution terms.
*/
/*
* AppleLink Compression Utility file support.
*
* This was adapted from the Binary II support, which has a mixed history,
* so this is a little scrambled in spots.
*/
#include "stdafx.h"
#include "ACUArchive.h"
#include "NufxArchive.h" // uses NuError
#include "Preferences.h"
#include "Main.h"
#include "Squeeze.h"
#include <errno.h>
/*
+00 2b Number of items in archive
+02 2b 0100
+04 5b "fZink"
+09 11b 0136 0000 0000 0000 0000 dd
+14
+00 1b ?? 00
+01 1b Compression type, 00=none, 03=sq
+02 2b ?? 0000 0000 0000 0000
+04 2b ?? 0a74 961f 7d85 af2c 2775 <- 0000 for dir (checksum?)
+06 2b ?? 0000 0000 0000 0000
+08 2b ?? 0000 0000 0000 0000
+0a 2b Storage size (in 512-byte blocks)
+0c 6b ?? 000000 000000 000000 000000
+12 4b Length of file in this archive (compressed or uncompressed)
+16 2b ProDOS file permissions
+18 2b ProDOS file type
+1a 4b ProDOS aux type
+1e ?? 0000
+20 1b ProDOS storage type (usually 02, 0d for dirs)
+21 ?? 00
+22 ?? 0000 0000
+26 4b Uncompressed file len
+2a 2b ProDOS date (create?)
+2c 2b ProDOS time
+2e 2b ProDOS date (mod?)
+30 2b ProDOS time
+32 2b Filename len
+34 2b ?? ac4a 2d02 for dir <- header checksum?
+36 FL Filename
+xx data start (dir has no data)
*/
/*
* ===========================================================================
* AcuEntry
* ===========================================================================
*/
/*
* Extract data from an entry.
*
* If "*ppText" is non-nil, the data will be read into the pointed-to buffer
* so long as it's shorter than *pLength bytes. The value in "*pLength"
* will be set to the actual length used.
*
* If "*ppText" is nil, the uncompressed data will be placed into a buffer
* allocated with "new[]".
*
* Returns IDOK on success, IDCANCEL if the operation was cancelled by the
* user, and -1 value on failure. On failure, "*pErrMsg" holds an error
* message.
*
* "which" is an anonymous GenericArchive enum (e.g. "kDataThread").
*/
int
AcuEntry::ExtractThreadToBuffer(int which, char** ppText, long* pLength,
CString* pErrMsg) const
{
NuError nerr;
ExpandBuffer expBuf;
char* dataBuf = nil;
long len;
bool needAlloc = true;
int result = -1;
ASSERT(fpArchive != nil);
ASSERT(fpArchive->fFp != nil);
if (*ppText != nil)
needAlloc = false;
if (which != kDataThread) {
*pErrMsg = "No such fork";
goto bail;
}
len = (long) GetUncompressedLen();
if (len == 0) {
if (needAlloc) {
*ppText = new char[1];
**ppText = '\0';
}
*pLength = 0;
result = IDOK;
goto bail;
}
SET_PROGRESS_BEGIN();
errno = 0;
if (fseek(fpArchive->fFp, fOffset, SEEK_SET) < 0) {
pErrMsg->Format(L"Unable to seek to offset %ld: %hs",
fOffset, strerror(errno));
goto bail;
}
if (GetSqueezed()) {
nerr = UnSqueeze(fpArchive->fFp, (unsigned long) GetCompressedLen(),
&expBuf, false, 0);
if (nerr != kNuErrNone) {
pErrMsg->Format(L"File read failed: %hs", NuStrError(nerr));
goto bail;
}
char* unsqBuf = nil;
long unsqLen = 0;
expBuf.SeizeBuffer(&unsqBuf, &unsqLen);
WMSG2("Unsqueezed %ld bytes to %d\n",
(unsigned long) GetCompressedLen(), unsqLen);
if (unsqLen == 0) {
// some bonehead squeezed a zero-length file
delete[] unsqBuf;
ASSERT(*ppText == nil);
WMSG0("Handling zero-length squeezed file!\n");
if (needAlloc) {
*ppText = new char[1];
**ppText = '\0';
}
*pLength = 0;
} else {
if (needAlloc) {
/* just use the seized buffer */
*ppText = unsqBuf;
*pLength = unsqLen;
} else {
if (*pLength < unsqLen) {
pErrMsg->Format(L"buf size %ld too short (%ld)",
*pLength, unsqLen);
delete[] unsqBuf;
goto bail;
}
memcpy(*ppText, unsqBuf, unsqLen);
delete[] unsqBuf;
*pLength = unsqLen;
}
}
} else {
if (needAlloc) {
dataBuf = new char[len];
if (dataBuf == nil) {
pErrMsg->Format(L"allocation of %ld bytes failed", len);
goto bail;
}
} else {
if (*pLength < (long) len) {
pErrMsg->Format(L"buf size %ld too short (%ld)",
*pLength, len);
goto bail;
}
dataBuf = *ppText;
}
if (fread(dataBuf, len, 1, fpArchive->fFp) != 1) {
pErrMsg->Format(L"File read failed: %hs", strerror(errno));
goto bail;
}
if (needAlloc)
*ppText = dataBuf;
*pLength = len;
}
result = IDOK;
bail:
if (result == IDOK) {
SET_PROGRESS_END();
ASSERT(pErrMsg->IsEmpty());
} else {
ASSERT(result == IDCANCEL || !pErrMsg->IsEmpty());
if (needAlloc) {
delete[] dataBuf;
ASSERT(*ppText == nil);
}
}
return result;
}
/*
* Extract data from a thread to a file. Since we're not copying to memory,
* we can't assume that we're able to hold the entire file all at once.
*
* Returns IDOK on success, IDCANCEL if the operation was cancelled by the
* user, and -1 value on failure. On failure, "*pMsg" holds an
* error message.
*/
int
AcuEntry::ExtractThreadToFile(int which, FILE* outfp, ConvertEOL conv,
ConvertHighASCII convHA, CString* pErrMsg) const
{
NuError nerr;
long len;
int result = -1;
ASSERT(IDOK != -1 && IDCANCEL != -1);
if (which != kDataThread) {
*pErrMsg = L"No such fork";
goto bail;
}
len = (long) GetUncompressedLen();
if (len == 0) {
WMSG0("Empty fork\n");
result = IDOK;
goto bail;
}
errno = 0;
if (fseek(fpArchive->fFp, fOffset, SEEK_SET) < 0) {
pErrMsg->Format(L"Unable to seek to offset %ld: %hs",
fOffset, strerror(errno));
goto bail;
}
SET_PROGRESS_BEGIN();
/*
* Generally speaking, anything in a BNY file is going to be small. The
* major exception is a BXY file, which could be huge. However, the
* SHK embedded in a BXY is never squeezed.
*
* To make life easy, we either unsqueeze the entire thing into a buffer
* and then write that, or we do a file-to-file copy of the specified
* number of bytes.
*/
if (GetSqueezed()) {
ExpandBuffer expBuf;
bool lastCR = false;
char* buf;
long uncLen;
nerr = UnSqueeze(fpArchive->fFp, (unsigned long) GetCompressedLen(),
&expBuf, false, 0);
if (nerr != kNuErrNone) {
pErrMsg->Format(L"File read failed: %hs", NuStrError(nerr));
goto bail;
}
expBuf.SeizeBuffer(&buf, &uncLen);
WMSG2("Unsqueezed %ld bytes to %d\n", len, uncLen);
// some bonehead squeezed a zero-length file
if (uncLen == 0) {
ASSERT(buf == nil);
WMSG0("Handling zero-length squeezed file!\n");
result = IDOK;
goto bail;
}
int err = GenericEntry::WriteConvert(outfp, buf, uncLen, &conv,
&convHA, &lastCR);
if (err != 0) {
pErrMsg->Format(L"File write failed: %hs", strerror(err));
delete[] buf;
goto bail;
}
delete[] buf;
} else {
nerr = CopyData(outfp, conv, convHA, pErrMsg);
if (nerr != kNuErrNone) {
if (pErrMsg->IsEmpty()) {
pErrMsg->Format(L"Failed while copying data: %hs\n",
NuStrError(nerr));
}
goto bail;
}
}
result = IDOK;
bail:
SET_PROGRESS_END();
return result;
}
/*
* Copy data from the seeked archive to outfp, possibly converting EOL along
* the way.
*/
NuError
AcuEntry::CopyData(FILE* outfp, ConvertEOL conv, ConvertHighASCII convHA,
CString* pMsg) const
{
NuError nerr = kNuErrNone;
const int kChunkSize = 8192;
char buf[kChunkSize];
bool lastCR = false;
long srcLen, dataRem;
srcLen = (long) GetUncompressedLen();
ASSERT(srcLen > 0); // empty files should've been caught earlier
/*
* Loop until all data copied.
*/
dataRem = srcLen;
while (dataRem) {
int chunkLen;
if (dataRem > kChunkSize)
chunkLen = kChunkSize;
else
chunkLen = dataRem;
/* read a chunk from the source file */
nerr = fpArchive->AcuRead(buf, chunkLen);
if (nerr != kNuErrNone) {
pMsg->Format(L"File read failed: %hs.", NuStrError(nerr));
goto bail;
}
/* write chunk to destination file */
int err = GenericEntry::WriteConvert(outfp, buf, chunkLen, &conv,
&convHA, &lastCR);
if (err != 0) {
pMsg->Format(L"File write failed: %hs.", strerror(err));
nerr = kNuErrGeneric;
goto bail;
}
dataRem -= chunkLen;
SET_PROGRESS_UPDATE(ComputePercent(srcLen - dataRem, srcLen));
}
bail:
return nerr;
}
/*
* Test this entry by extracting it.
*
* If the file isn't compressed, just make sure the file is big enough. If
* it's squeezed, invoke the un-squeeze function with a "nil" buffer pointer.
*/
NuError
AcuEntry::TestEntry(CWnd* pMsgWnd)
{
NuError nerr = kNuErrNone;
CString errMsg;
long len;
int result = -1;
len = (long) GetUncompressedLen();
if (len == 0)
goto bail;
errno = 0;
if (fseek(fpArchive->fFp, fOffset, SEEK_SET) < 0) {
nerr = kNuErrGeneric;
errMsg.Format(L"Unable to seek to offset %ld: %hs\n",
fOffset, strerror(errno));
ShowFailureMsg(pMsgWnd, errMsg, IDS_FAILED);
goto bail;
}
if (GetSqueezed()) {
nerr = UnSqueeze(fpArchive->fFp, (unsigned long) GetCompressedLen(),
nil, false, 0);
if (nerr != kNuErrNone) {
errMsg.Format(L"Unsqueeze failed: %hs.", NuStrError(nerr));
ShowFailureMsg(pMsgWnd, errMsg, IDS_FAILED);
goto bail;
}
} else {
errno = 0;
if (fseek(fpArchive->fFp, fOffset + len, SEEK_SET) < 0) {
nerr = kNuErrGeneric;
errMsg.Format(L"Unable to seek to offset %ld (file truncated?): %hs\n",
fOffset, strerror(errno));
ShowFailureMsg(pMsgWnd, errMsg, IDS_FAILED);
goto bail;
}
}
if (SET_PROGRESS_UPDATE(100) == IDCANCEL)
nerr = kNuErrAborted;
bail:
return nerr;
}
/*
* ===========================================================================
* AcuArchive
* ===========================================================================
*/
/*
* Perform one-time initialization. There really isn't any for us.
*
* Returns 0 on success, nonzero on error.
*/
/*static*/ CString
AcuArchive::AppInit(void)
{
return "";
}
/*
* Open an ACU archive.
*
* Returns an error string on failure, or "" on success.
*/
GenericArchive::OpenResult
AcuArchive::Open(const WCHAR* filename, bool readOnly, CString* pErrMsg)
{
CString errMsg;
fIsReadOnly = true; // ignore "readOnly"
errno = 0;
fFp = _wfopen(filename, L"rb");
if (fFp == nil) {
errMsg.Format(L"Unable to open %ls: %hs.", filename, strerror(errno));
goto bail;
}
{
CWaitCursor waitc;
int result;
result = LoadContents();
if (result < 0) {
errMsg.Format(L"The file is not an ACU archive.");
goto bail;
} else if (result > 0) {
errMsg.Format(L"Failed while reading data from ACU archive.");
goto bail;
}
}
SetPathName(filename);
bail:
*pErrMsg = errMsg;
if (!errMsg.IsEmpty())
return kResultFailure;
else
return kResultSuccess;
}
/*
* Finish instantiating an AcuArchive object by creating a new archive.
*
* Returns an error string on failure, or "" on success.
*/
CString
AcuArchive::New(const WCHAR* /*filename*/, const void* /*options*/)
{
return L"Sorry, AppleLink Compression Utility files can't be created.";
}
/*
* Our capabilities.
*/
long
AcuArchive::GetCapability(Capability cap)
{
switch (cap) {
case kCapCanTest:
return true;
break;
case kCapCanRenameFullPath:
return true;
break;
case kCapCanRecompress:
return true;
break;
case kCapCanEditComment:
return false;
break;
case kCapCanAddDisk:
return false;
break;
case kCapCanConvEOLOnAdd:
return false;
break;
case kCapCanCreateSubdir:
return false;
break;
case kCapCanRenameVolume:
return false;
break;
default:
ASSERT(false);
return -1;
break;
}
}
/*
* Load the contents of the archive.
*
* Returns 0 on success, < 0 if this is not an ACU archive > 0 if this appears
* to be an ACU archive but it's damaged.
*/
int
AcuArchive::LoadContents(void)
{
NuError nerr;
int numEntries;
ASSERT(fFp != nil);
rewind(fFp);
/*
* Read the master header. In an ACU file this holds the number of
* files and a bunch of stuff that doesn't seem to change.
*/
if (ReadMasterHeader(&numEntries) != 0)
return -1;
while (numEntries) {
AcuFileEntry fileEntry;
nerr = ReadFileHeader(&fileEntry);
if (nerr != kNuErrNone)
return 1;
if (CreateEntry(&fileEntry) != 0)
return 1;
/* if file isn't empty, seek past it */
if (fileEntry.dataStorageLen) {
nerr = AcuSeek(fileEntry.dataStorageLen);
if (nerr != kNuErrNone)
return 1;
}
numEntries--;
}
return 0;
}
/*
* Reload the contents of the archive.
*/
CString
AcuArchive::Reload(void)
{
fReloadFlag = true; // tell everybody that cached data is invalid
DeleteEntries();
if (LoadContents() != 0) {
return L"Reload failed.";
}
return "";
}
/*
* Read the archive header. The archive file is left seeked to the point
* at the end of the header.
*
* Returns 0 on success, -1 on failure. Sets *pNumEntries to the number of
* entries in the archive.
*/
int
AcuArchive::ReadMasterHeader(int* pNumEntries)
{
AcuMasterHeader header;
unsigned char buf[kAcuMasterHeaderLen];
NuError nerr;
nerr = AcuRead(buf, kAcuMasterHeaderLen);
if (nerr != kNuErrNone)
return -1;
header.fileCount = buf[0x00] | buf[0x01] << 8;
header.unknown1 = buf[0x02] | buf[0x03] << 8;
memcpy(header.fZink, &buf[0x04], 5);
header.fZink[5] = '\0';
memcpy(header.unknown2, &buf[0x09], 11);
if (header.fileCount == 0 ||
header.unknown1 != 1 ||
strcmp((char*) header.fZink, "fZink") != 0)
{
WMSG0("Not an ACU archive\n");
return -1;
}
WMSG1("Looks like an ACU archive with %d entries\n", header.fileCount);
*pNumEntries = header.fileCount;
return 0;
}
/*
* Read and decode an AppleLink Compression Utility file entry header.
* This leaves the file seeked to the point immediately past the filename.
*/
NuError
AcuArchive::ReadFileHeader(AcuFileEntry* pEntry)
{
NuError err = kNuErrNone;
unsigned char buf[kAcuEntryHeaderLen];
ASSERT(pEntry != nil);
err = AcuRead(buf, kAcuEntryHeaderLen);
if (err != kNuErrNone)
goto bail;
// unknown at 00
pEntry->compressionType = buf[0x01];
// unknown at 02-03
pEntry->dataChecksum = buf[0x04] | buf[0x05] << 8; // not sure
// unknown at 06-09
pEntry->blockCount = buf[0x0a] | buf[0x0b] << 8;
// unknown at 0c-11
pEntry->dataStorageLen = buf[0x12] | buf [0x13] << 8 | buf[0x14] << 16 |
buf[0x15] << 24;
pEntry->access = buf[0x16] | buf[0x17] << 8;
pEntry->fileType = buf[0x18] | buf[0x19] << 8;
pEntry->auxType = buf[0x1a] | buf[0x1b] << 8;
// unknown at 1e-1f
pEntry->storageType = buf[0x20];
// unknown at 21-25
pEntry->dataEof = buf[0x26] | buf[0x27] << 8 | buf[0x28] << 16 |
buf[0x29] << 24;
pEntry->prodosModDate = buf[0x2a] | buf[0x2b] << 8;
pEntry->prodosModTime = buf[0x2c] | buf[0x2d] << 8;
AcuConvertDateTime(pEntry->prodosModDate, pEntry->prodosModTime,
&pEntry->modWhen);
pEntry->prodosCreateDate = buf[0x2e] | buf[0x2f] << 8;
pEntry->prodosCreateTime = buf[0x30] | buf[0x31] << 8;
AcuConvertDateTime(pEntry->prodosCreateDate, pEntry->prodosCreateTime,
&pEntry->createWhen);
pEntry->fileNameLen = buf[0x32] | buf[0x33] << 8;
pEntry->headerChecksum = buf[0x34] | buf[0x35] << 8; // not sure
/* read the filename */
if (pEntry->fileNameLen > kAcuMaxFileName) {
WMSG1("GLITCH: filename is too long (%d bytes)\n",
pEntry->fileNameLen);
err = kNuErrGeneric;
goto bail;
}
if (!pEntry->fileNameLen) {
WMSG0("GLITCH: filename missing\n");
err = kNuErrGeneric;
goto bail;
}
/* don't know if this is possible or not */
if (pEntry->storageType == 5) {
WMSG0("HEY: EXTENDED FILE\n");
}
err = AcuRead(pEntry->fileName, pEntry->fileNameLen);
if (err != kNuErrNone)
goto bail;
pEntry->fileName[pEntry->fileNameLen] = '\0';
//DumpFileHeader(pEntry);
bail:
return err;
}
/*
* Dump the contents of an AcuFileEntry struct.
*/
void
AcuArchive::DumpFileHeader(const AcuFileEntry* pEntry)
{
time_t createWhen, modWhen;
CString createStr, modStr;
createWhen = NufxArchive::DateTimeToSeconds(&pEntry->createWhen);
modWhen = NufxArchive::DateTimeToSeconds(&pEntry->modWhen);
FormatDate(createWhen, &createStr);
FormatDate(modWhen, &modStr);
WMSG1(" Header for file '%hs':\n", pEntry->fileName);
WMSG4(" dataStorageLen=%d eof=%d blockCount=%d checksum=0x%04x\n",
pEntry->dataStorageLen, pEntry->dataEof, pEntry->blockCount,
pEntry->dataChecksum);
WMSG4(" fileType=0x%02x auxType=0x%04x storageType=0x%02x access=0x%04x\n",
pEntry->fileType, pEntry->auxType, pEntry->storageType, pEntry->access);
WMSG2(" created %ls, modified %ls\n",
(LPCWSTR) createStr, (LPCWSTR) modStr);
WMSG2(" fileNameLen=%d headerChecksum=0x%04x\n",
pEntry->fileNameLen, pEntry->headerChecksum);
}
/*
* Given an AcuFileEntry structure, add an appropriate entry to the list.
*/
int
AcuArchive::CreateEntry(const AcuFileEntry* pEntry)
{
const int kAcuFssep = '/';
NuError err = kNuErrNone;
AcuEntry* pNewEntry;
/*
* Create the new entry.
*/
pNewEntry = new AcuEntry(this);
CString fileName(pEntry->fileName);
pNewEntry->SetPathName(fileName);
pNewEntry->SetFssep(kAcuFssep);
pNewEntry->SetFileType(pEntry->fileType);
pNewEntry->SetAuxType(pEntry->auxType);
pNewEntry->SetAccess(pEntry->access);
pNewEntry->SetCreateWhen(NufxArchive::DateTimeToSeconds(&pEntry->createWhen));
pNewEntry->SetModWhen(NufxArchive::DateTimeToSeconds(&pEntry->modWhen));
/* always ProDOS? */
pNewEntry->SetSourceFS(DiskImg::kFormatProDOS);
pNewEntry->SetHasDataFork(true);
pNewEntry->SetHasRsrcFork(false); // ?
if (IsDir(pEntry)) {
pNewEntry->SetRecordKind(GenericEntry::kRecordKindDirectory);
} else {
pNewEntry->SetRecordKind(GenericEntry::kRecordKindFile);
}
pNewEntry->SetCompressedLen(pEntry->dataStorageLen);
pNewEntry->SetDataForkLen(pEntry->dataEof);
if (pEntry->compressionType == kAcuCompNone) {
pNewEntry->SetFormatStr(L"Uncompr");
} else if (pEntry->compressionType == kAcuCompSqueeze) {
pNewEntry->SetFormatStr(L"Squeeze");
pNewEntry->SetSqueezed(true);
} else {
pNewEntry->SetFormatStr(L"(unknown)");
pNewEntry->SetSqueezed(false);
}
pNewEntry->SetOffset(ftell(fFp));
AddEntry(pNewEntry);
return err;
}
/*
* ===========================================================================
* ACU functions
* ===========================================================================
*/
/*
* Test if this entry is a directory.
*/
bool
AcuArchive::IsDir(const AcuFileEntry* pEntry)
{
return (pEntry->storageType == 0x0d);
}
/*
* Wrapper for fread(). Note the arguments resemble read(2) rather
* than fread(3S).
*/
NuError
AcuArchive::AcuRead(void* buf, size_t nbyte)
{
size_t result;
ASSERT(buf != nil);
ASSERT(nbyte > 0);
ASSERT(fFp != nil);
errno = 0;
result = fread(buf, 1, nbyte, fFp);
if (result != nbyte)
return errno ? (NuError)errno : kNuErrFileRead;
return kNuErrNone;
}
/*
* Seek within an archive. Because we need to handle streaming archives,
* and don't need to special-case anything, we only allow relative
* forward seeks.
*/
NuError
AcuArchive::AcuSeek(long offset)
{
ASSERT(fFp != nil);
ASSERT(offset > 0);
/*DBUG(("--- seeking forward %ld bytes\n", offset));*/
if (fseek(fFp, offset, SEEK_CUR) < 0)
return kNuErrFileSeek;
return kNuErrNone;
}
/*
* Convert from ProDOS compact date format to the expanded DateTime format.
*/
void
AcuArchive::AcuConvertDateTime(unsigned short prodosDate,
unsigned short prodosTime, NuDateTime* pWhen)
{
pWhen->second = 0;
pWhen->minute = prodosTime & 0x3f;
pWhen->hour = (prodosTime >> 8) & 0x1f;
pWhen->day = (prodosDate & 0x1f) -1;
pWhen->month = ((prodosDate >> 5) & 0x0f) -1;
pWhen->year = (prodosDate >> 9) & 0x7f;
if (pWhen->year < 40)
pWhen->year += 100; /* P8 uses 0-39 for 2000-2039 */
pWhen->extra = 0;
pWhen->weekDay = 0;
}
/*
* ===========================================================================
* AcuArchive -- test files
* ===========================================================================
*/
/*
* Test the records represented in the selection set.
*/
bool
AcuArchive::TestSelection(CWnd* pMsgWnd, SelectionSet* pSelSet)
{
NuError nerr;
AcuEntry* pEntry;
CString errMsg;
bool retVal = false;
ASSERT(fFp != nil);
WMSG1("Testing %d entries\n", pSelSet->GetNumEntries());
SelectionEntry* pSelEntry = pSelSet->IterNext();
while (pSelEntry != nil) {
pEntry = (AcuEntry*) pSelEntry->GetEntry();
WMSG2(" Testing '%hs' (offset=%ld)\n", pEntry->GetDisplayName(),
pEntry->GetOffset());
SET_PROGRESS_UPDATE2(0, pEntry->GetDisplayName(), nil);
nerr = pEntry->TestEntry(pMsgWnd);
if (nerr != kNuErrNone) {
if (nerr == kNuErrAborted) {
CString title;
title.LoadString(IDS_MB_APP_NAME);
errMsg = "Cancelled.";
pMsgWnd->MessageBox(errMsg, title, MB_OK);
} else {
errMsg.Format(L"Failed while testing '%hs': %hs.",
pEntry->GetPathName(), NuStrError(nerr));
ShowFailureMsg(pMsgWnd, errMsg, IDS_FAILED);
}
goto bail;
}
pSelEntry = pSelSet->IterNext();
}
/* show success message */
errMsg.Format(L"Tested %d file%ls, no errors found.",
pSelSet->GetNumEntries(),
pSelSet->GetNumEntries() == 1 ? L"" : L"s");
pMsgWnd->MessageBox(errMsg);
retVal = true;
bail:
SET_PROGRESS_END();
return retVal;
}
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