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mirror of synced 2026-01-11 23:42:44 +00:00
Code Issues Releases Wiki Activity

Fix scope for streampos and streamoff

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This commit is contained in:
Davide Cavalca 2021-07-31 21:14:13 -07:00
parent 7c3d70e81c
commit 69449c5d83
2 changed files with 11 additions and 11 deletions
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20
simulator/sim_lib/tap_file.cpp
View File

@ -35,7 +35,7 @@ TapFile_c::State_e TapFile_c::GetState() {
}
if (!is_open()) return State_e::BeginningOfTape;
if (eof()) return State_e::EndOfTape;
if (tellg() == streampos(0)) return State_e::BeginningOfTape;
if (tellg() == std::streampos(0)) return State_e::BeginningOfTape;
if (mCurRecordEof) return State_e::EndOfFile;
if (!mCurRecordValid) return State_e::EndOfRecord;
if (mCurRecordLeft == 0 && mLastCmdDirection == Direction::Backward) return State_e::EndOfRecord;
@ -95,7 +95,7 @@ void TapFile_c::SeekToPrevRecord() {
// If we're on an EOF record, skip to the end of the previous record
// BOT case
if ((tellg() == streamoff(0))) {
if ((tellg() == std::streamoff(0))) {
Reset();
mCurRecordEof = false;
return;
@ -123,16 +123,16 @@ void TapFile_c::SeekToPrevRecord() {
// We're either sitting before an EOF marker or between two data records...
mCurRecordEof = false;
// Since we don't have a valid record, open the previous record if any
if (!(tellg() == streamoff(0))) {
if (!(tellg() == std::streamoff(0))) {
seekg(-4, ios_base::cur); // Seek back to the end-of-record marker of the previous record
//streamoff CurPos = tellg();
//std::streamoff CurPos = tellg();
if (fail()) throw Generic_x("Can't seek to end of record");
uint32_t EndRecordSize;
read((char*)(&EndRecordSize), 4);
if (fail()) throw Generic_x("Can't read end of record");
if (EndRecordSize != 0) {
// Previous record is not an EOF marker, so we have to skip the whole record
seekg(-streamoff(EndRecordSize + 8), ios_base::cur); // Seek back to the beginning of the record
seekg(-std::streamoff(EndRecordSize + 8), ios_base::cur); // Seek back to the beginning of the record
if (fail()) throw Generic_x("Can't seek to beginning of record");
// Make sure the record size at the beginning matches the end
uint32_t RecordSize;
@ -172,7 +172,7 @@ std::vector<uint8_t> TapFile_c::Read(uint32_t aMaxSize) {
if (fail()) throw Generic_x("Can't read beginning of record");
// Verify record size
if (RecordSize > 0) {
streampos CurPos = tellg();
std::streampos CurPos = tellg();
seekg(RecordSize, ios_base::cur);
if (fail()) throw Generic_x("Can't seek to end of record");
uint32_t EndRecordSize;
@ -248,7 +248,7 @@ void TapFile_c::WriteRecordInternal(const std::vector<uint8_t> &aData) {
read((char*)&EndDiskRecordSize, 4);
if (fail()) throw Generic_x("Can't read end of record");
if (DiskRecordSize != EndDiskRecordSize) throw Generic_x("Record size mismatch at end");
seekg(-streamoff(DiskRecordSize + 4), ios_base::cur);
seekg(-std::streamoff(DiskRecordSize + 4), ios_base::cur);
if (fail()) throw Generic_x("Can't seek to beginning of record");
}
seekg(-4, ios_base::cur);
@ -273,7 +273,7 @@ void TapFile_c::WriteRecordInternal(const std::vector<uint8_t> &aData) {
write((char*)(&RecordSize), 4);
if (fail()) throw Generic_x("Can't write end of record to file");
}
streamoff Pos = tellp();
std::streamoff Pos = tellp();
// Re-create the proper internal state: the read is positioned at the end of the currenty written record with or without EOF depending on what we just did
seekg(Pos, ios_base::beg);
seekp(Pos, ios_base::beg);
@ -309,7 +309,7 @@ void TapFile_c::Reset() {
void TapFile_c::Truncate() {
Direction OldDir = mLastCmdDirection;
streamoff CurPos = tellg();
std::streamoff CurPos = tellg();
close();
mFileSize.reset();
if (CurPos != 0) {
@ -338,4 +338,4 @@ uint32_t TapFile_c::GetCurrentRecordSize() {
if (mCurRecordEof) return 0;
return uint32_t(tellg() - mCurRecordStart) + mCurRecordLeft;
}
***********/
***********/

2
simulator/sim_lib/tap_file.h
View File

@ -67,7 +67,7 @@ protected:
None
} mLastCmdDirection;
uint32_t mCurRecordLeft;
streamoff mCurRecordStart;
std::streamoff mCurRecordStart;
bool mCurRecordValid;
bool mCurRecordEof;
std::string mFileName;