void ScreenshotManager::updateHistory(const QString &fileName, const QString &url, const QString &deleteHash)
{
if (!mSettings->value("/options/history", true).toBool() || url.isEmpty()) {
return;
}
if (!mHistoryInitialized) {
initHistory();
}
QSqlQuery query;
query.prepare("SELECT fileName FROM history WHERE URL IS NOT EMPTY AND fileName = ?");
query.addBindValue(fileName);
query.exec();
if (query.record().count() > 0) {
QSqlQuery updateQuery;
updateQuery.prepare("UPDATE history SET URL = ?, deleteURL = ?, time = ? WHERE fileName = ?");
updateQuery.addBindValue(url);
updateQuery.addBindValue("https://imgur.com/delete/" + deleteHash);
updateQuery.addBindValue(QDateTime::currentMSecsSinceEpoch());
updateQuery.addBindValue(fileName);
updateQuery.exec();
} else {
saveHistory(fileName, url, deleteHash);
}
}
int main(int argc, char **argv)
{
if( argc != 2 || strcmp(argv[1], "-DoIt") != 0 ){
fprintf(stderr,
"警告! initbbs只用在「第一次安裝」的時候.\n"
"若您的站台已經上線, initbbs將會破壞掉原有資料!\n\n"
"將把 BBS 安裝在 " BBSHOME "\n\n"
"確定要執行, 請使用 initbbs -DoIt\n");
return 1;
}
if(chdir(BBSHOME)) {
perror(BBSHOME);
exit(1);
}
initDir();
initHome();
initBoardsDIR();
initManDIR();
initPasswds();
initBoards();
initMan();
initSymLink();
initHistory();
return 0;
}
/* Adds a command to the history list, deleting the first if the
* size of the list is too large */
void addCommandToHistory(char* command_line)
{
history_item* theItem = (history_item*)malloc(sizeof(history_item));
if(history_list == NULL)
{
initHistory();
}
if(length(history_list) == 0)
{
theItem->command_number = 1;
}
else
{
theItem->command_number =
1 + ((history_item*)(history_list->tail->data))->command_number;
}
theItem->command_line = command_line;
addLast(history_list, theItem);
if(length(history_list) > HISTORY_LENGTH)
{
free(((history_item*)(history_list->head->data))->command_line);
free(history_list->head->data);
removeFirst(history_list);
}
}
void ScreenshotManager::clearHistory()
{
QSqlQuery clearQuery("DROP TABLE history");
clearQuery.exec();
initHistory();
}
void vcvs::initTR (void) {
nr_double_t t = getPropertyDouble ("T");
initDC ();
deleteHistory ();
if (t > 0.0) {
setHistory (true);
initHistory (t);
setC (VSRC_1, NODE_1, 0.0); setC (VSRC_1, NODE_4, 0.0);
}
}
// Initialize transient analysis.
void digital::initTR (void) {
nr_double_t t = getPropertyDouble ("t");
initDC ();
deleteHistory ();
if (t > 0.0) {
delay = true;
setHistory (true);
initHistory (t);
setC (VSRC_1, NODE_OUT, 1);
}
}
void vccs::initTR (void) {
nr_double_t t = getPropertyDouble ("T");
initDC ();
deleteHistory ();
if (t > 0.0) {
setISource (true);
setHistory (true);
initHistory (t);
clearY ();
}
}
bool OcaOctaveController::startThread()
{
fprintf( stderr, "OcaOctaveController::startThread, thread = %p\n",
QThread::currentThread() );
m_host = new OcaOctaveHost();
m_host->moveToThread( this );
OcaOctaveHost::initialize();
initHistory();
start();
return true;
}
/* Returns the command_line of the last item in the history list */
char* getLastCommandFromHistory()
{
if(history_list == NULL)
{
initHistory();
}
if(length(history_list) == 0)
{
return NULL;
}
return ((history_item*)(history_list->tail->data))->command_line;
}
void cccs::initTR (void) {
nr_double_t t = getPropertyDouble ("T");
initDC ();
deleteHistory ();
if (t > 0.0) {
setISource (true);
setHistory (true);
initHistory (t);
setB (NODE_1, VSRC_1, +1.0); setB (NODE_2, VSRC_1, +0.0);
setB (NODE_3, VSRC_1, -0.0); setB (NODE_4, VSRC_1, -1.0);
}
}
void ScreenshotManager::clearHistory()
{
if (!mHistoryInitialized) {
initHistory();
}
QSqlQuery deleteQuery("DELETE FROM history");
deleteQuery.exec();
QSqlQuery vacQuery("VACUUM");
vacQuery.exec();
}
void ScreenshotManager::removeHistory(const QString &fileName, qint64 time)
{
if (!mHistoryInitialized) {
initHistory();
}
QSqlQuery removeQuery;
removeQuery.prepare("DELETE FROM history WHERE fileName = ? AND time = ?");
removeQuery.addBindValue(fileName);
removeQuery.addBindValue(time);
removeQuery.exec();
}
void addHistory(char* operation)
{
if (!history.array)
{
initHistory(operation);
}
else
{
history.bytes += strlen(operation)+1;
history.array = (char **) realloc(history.array, history.bytes);
}
history.array[history.used++] = operation;
}
/* Prints the whole history list to stdout */
void printHistoryList()
{
node* cursor;
if(history_list == NULL)
{
initHistory();
}
cursor = history_list->head;
while(cursor != NULL)
{
printf("%d %s\n", ((history_item*)(cursor->data))->command_number,
((history_item*)(cursor->data))->command_line);
cursor = cursor->next;
}
}
ScreenshotManager::ScreenshotManager(QObject *parent = 0) : QObject(parent)
{
if (QFile::exists(qApp->applicationDirPath() + QDir::separator() + "config.ini")) {
mSettings = new QSettings(qApp->applicationDirPath() + QDir::separator() + "config.ini", QSettings::IniFormat);
mPortableMode = true;
mHistoryPath = qApp->applicationDirPath() + QDir::separator();
}
else {
mSettings = new QSettings();
mPortableMode = false;
mHistoryPath = QStandardPaths::writableLocation(QStandardPaths::DataLocation) + QDir::separator();
}
initHistory();
connect(Uploader::instance(), SIGNAL(done(QString, QString, QString)), this, SLOT(uploadDone(QString, QString, QString)));
}
// accept a time step into the solution history
void e_trsolver::acceptstep_sync()
{
statIterations += iterations;
if (--convError < 0) convHelper = 0;
// Now advance in time or not...
if (running > 1)
{
adjustDelta_sync (current);
// deltaOld = delta;
// stepDelta = deltaOld;
// nextStates ();
// rejected = 0;
adjustOrder ();
}
else
{
fillStates ();
nextStates ();
rejected = 0;
}
saveCurrent = current;
current += delta;
running++;
converged++;
// Tell integrators to be running.
setMode (MODE_NONE);
// Initialize or update history.
if (running > 1)
{
// update the solution history with the new results
updateHistory (current);
}
else
{
// we have just solved the first transient state
initHistory (current);
}
// store the current time
lastsynctime = current;
}
void tline::initTR (void) {
nr_double_t l = getPropertyDouble ("L");
nr_double_t z = getPropertyDouble ("Z");
deleteHistory ();
if (l > 0.0) {
setVoltageSources (2);
allocMatrixMNA ();
setHistory (true);
initHistory (l / C0);
setB (NODE_1, VSRC_1, +1); setB (NODE_2, VSRC_2, +1);
setC (VSRC_1, NODE_1, +1); setC (VSRC_2, NODE_2, +1);
setD (VSRC_1, VSRC_1, -z); setD (VSRC_2, VSRC_2, -z);
} else {
setVoltageSources (1);
allocMatrixMNA ();
voltageSource (VSRC_1, NODE_1, NODE_2);
}
}
/* prints to stderr if the number is not in the list */
void executeCommandFromHistory(int command_number)
{
history_item* theItem;
int lastNumber;
if(history_list == NULL)
{
initHistory();
}
if(length(history_list) == 0)
{
return;
}
lastNumber = ((history_item*)(history_list->tail->data))->command_number - 1;
if(command_number > lastNumber
|| command_number < (lastNumber - HISTORY_LENGTH)
|| command_number <= 0)
{
fprintf(stderr, "%d: Event not found.\n", command_number);
free(((history_item*)(history_list->tail->data))->command_line);
free(history_list->tail->data);
removeLast(history_list);
}
else
{
char* copy;
theItem = find(history_list, historyNumberEquals,
&command_number)->data;
copy = newstr(theItem->command_line);
printf("%s\n", copy);
free(((history_item*)(history_list->tail->data))->command_line);
((history_item*)(history_list->tail->data))->command_line
= newstr(copy);
runPipeline(crack_pipeline(copy));
}
}
void ScreenshotManager::saveHistory(const QString &fileName, const QString &url, const QString &deleteHash)
{
if (!mSettings->value("/options/history", true).toBool()) {
return;
}
if (!mHistoryInitialized) {
initHistory();
}
QString deleteUrl;
if (!deleteHash.isEmpty()) {
deleteUrl = "https://imgur.com/delete/" + deleteHash;
}
QSqlQuery query;
query.prepare("INSERT INTO history (fileName, URL, deleteURL, time) VALUES(?, ?, ?, ?)");
query.addBindValue(fileName);
query.addBindValue(url);
query.addBindValue(deleteUrl);
query.addBindValue(QDateTime::currentMSecsSinceEpoch());
query.exec();
}
// asynchronous step solver
int e_trsolver::stepsolve_async(nr_double_t steptime)
{
// Start to sweep through time.
int error = 0;
convError = 0;
time = steptime;
// update the interpolation time of any externally controlled
// components which require it.
updateExternalInterpTime(time);
// make the stored histories for all ircuits that have
// requested them at least as long as the next major time
// step so we can reject the step later if needed and
// restore all the histories to their previous state
updateHistoryAges (time - lastasynctime);
//delta = (steptime - time) / 10;
//if (progress) logprogressbar (i, swp->getSize (), 40);
#if DEBUG && 0
messagefcn (LOG_STATUS, "NOTIFY: %s: solving netlist for t = %e\n",
getName (), (double) time);
#endif
do
{
#if STEPDEBUG
if (delta == deltaMin)
{
messagefcn (LOG_ERROR,
"WARNING: %s: minimum delta h = %.3e at t = %.3e\n",
getName (), (double) delta, (double) current);
}
#endif
// update the integration coefficients
updateCoefficients (delta);
// Run predictor to get a start value for the solution vector for
// the successive iterative corrector process
error += predictor ();
// restart Newton iteration
if (rejected)
{
restart (); // restart non-linear devices
rejected = 0;
}
// Run corrector process with appropriate exception handling.
// The corrector iterates through the solutions of the integration
// process until a certain error tolerance has been reached.
try_running () // #defined as: do {
{
error += corrector ();
}
catch_exception () // #defined as: } while (0); if (estack.top ()) switch (estack.top()->getCode ())
{
case EXCEPTION_NO_CONVERGENCE:
pop_exception ();
// Reduce step-size (by half) if failed to converge.
if (current > 0) current -= delta;
delta /= 2;
if (delta <= deltaMin)
{
delta = deltaMin;
adjustOrder (1);
}
if (current > 0) current += delta;
// Update statistics.
statRejected++;
statConvergence++;
rejected++;
converged = 0;
error = 0;
// Start using damped Newton-Raphson.
convHelper = CONV_SteepestDescent;
convError = 2;
#if DEBUG
messagefcn (LOG_ERROR, "WARNING: delta rejected at t = %.3e, h = %.3e "
"(no convergence)\n", (double) saveCurrent, (double) delta);
#endif
break;
default:
// Otherwise return.
estack.print ();
error++;
break;
}
if (error) return -1;
if (rejected) continue;
// check whether Jacobian matrix is still non-singular
if (!A->isFinite ())
{
messagefcn (LOG_ERROR, "ERROR: %s: Jacobian singular at t = %.3e, "
"aborting %s analysis\n", getName (), (double) current,
getDescription ().c_str());
return -1;
}
// Update statistics and no more damped Newton-Raphson.
statIterations += iterations;
if (--convError < 0) convHelper = 0;
// Now advance in time or not...
if (running > 1)
{
adjustDelta (time);
adjustOrder ();
}
else
{
fillStates ();
nextStates ();
rejected = 0;
}
saveCurrent = current;
current += delta;
running++;
converged++;
// Tell integrators to be running.
setMode (MODE_NONE);
// Initialize or update history.
if (running > 1)
{
updateHistory (saveCurrent);
}
else
{
initHistory (saveCurrent);
}
}
while (saveCurrent < time); // Hit a requested time point?
return 0;
}
void MainWindow::init()
{
// Log
connect(this, SIGNAL(logUpdated(QString)), this, SLOT(updateLog(QString)));
enableCtrls(false);
for (int i = DOCK_SNAP; i <= DOCK_PCB; i ++)
initSnap(i);
for (int i = DOCK_HISTORY; i <= DOCK_COMMAND; i ++)
initHistory(i);
ipsUI->init();
// must call optUtils->init() after win, before show()
optUtils->init();
#ifdef Q_OS_WIN
//fixme: win font hack
if (language.startsWith("zh_") || language.startsWith("ja_"))
{
QFont font;
font.setFamily("MS Gothic");
font.setFixedPitch(true);
tbCommand->setFont(font);
// tbCommand->setLineWrapMode(QTextEdit::NoWrap);
}
//rearrange docks
addDockWidget(static_cast<Qt::DockWidgetArea>(Qt::LeftDockWidgetArea), m1UI);
tabifyDockWidget(dwFolderList, m1UI);
#endif /* Q_OS_WIN */
tabifyDockWidget(dwHistory, dwGUILog);
//hide non popular docks by default
dwGUILog->hide();
for (int i = DOCK_SNAP; i < DOCK_LAST; i ++)
{
if (i != DOCK_SNAP
&& i != DOCK_TITLE
&& i != DOCK_HISTORY
&& i != DOCK_MAMEINFO)
dockCtrls[i]->hide();
}
dwFolderList->raise();
dockCtrls[DOCK_SNAP]->raise();
dockCtrls[DOCK_HISTORY]->raise();
/* test ini readable/writable */
// mkdir for individual game settings
QDir().mkpath(CFG_PREFIX);
QString warnings = "";
QFile iniFile(CFG_PREFIX + "mamepgui" INI_EXT);
if (!iniFile.open(QIODevice::ReadWrite | QFile::Text))
warnings.append(QFileInfo(iniFile).absoluteFilePath());
iniFile.close();
if (warnings.size() > 0)
{
poplog("Current user has no sufficient privilege to read/write:\n" + warnings + "\n\ncouldn't save GUI settings.");
//quit the program
close();
return;
}
loadGuiSettings();
if (!validateMameBinary())
{
//quit the program
close();
return;
}
QIcon mamepIcon(":/res/mamep_256.png");
qApp->setWindowIcon(mamepIcon);
trayIcon = new QSystemTrayIcon(this);
trayIcon->setIcon(mamepIcon);
// must init app style before background
if (gui_style.isEmpty())
gui_style = pGuiSettings->value("gui_style").toString();
QStringList styles = QStyleFactory::keys();
QActionGroup *styleActions = new QActionGroup(this);
foreach (QString style, styles)
{
QAction* act = menuGUIStyle->addAction(style);
act->setCheckable(true);
if (gui_style == style)
act->setChecked(true);
styleActions->addAction(act);
connect(act, SIGNAL(triggered()), this, SLOT(setGuiStyle()));
}
int main(int argc, char ** argv)
{
int do_usage = 0;
unsigned int seed = 0; // seed for random setup of the game
char * filename = NULL; // to load game from a file
chdir( "/home/games/blue" );
printf("\n BLUE. Version 1.0.2\n"
" Copyright (c) 2002\n"
"Blue comes with ABSOLUTELY NO WARRANTY.\n"
"This software is free and you are welcome to redistribute it\n"
"under certain conditions; for more details see the file \n"
"COPYRIGHT included in the distribution.\n\n");
initGUI(0);
while (1) {
int c;
#ifdef USE_LONG_OPTIONS
int option_index = 0;
static struct option long_options[] =
{
{"seed", 1, 0, 's'},
{"file", 1, 0, 'f'},
{0, 0, 0, 0}
};
if ( (c = getopt_long (argc, argv, "s:f:",
long_options, &option_index)) == -1)
#else
if ( (c = getopt (argc, argv, "s:f:") ) == -1 )
#endif
break;
switch (c) {
case 's': // seed
seed = atoi(optarg);
break;
case 'f': // file
filename = optarg;
break;
default:
do_usage = 1;
}
}
if (do_usage) {
printf("Usage: blue [-f file] [-s seed]\n");
}
/*init Game*/
initHistory( & theHistory );
resetStrategy();
play_mode = STRATEGY;
if (filename) {
// printf("load game from %s\n", filename);
// TODO : load game from file
if ( ( seed = load_game( filename )) < 0) {
seed = time( NULL ); // else use the default seed(=time)
setgame(seed);
saveBoard();
}
} else {
if (! seed) {
seed = time( NULL ); // else use the default seed(=time)
}
setgame(seed);
saveBoard();
}
setgui(seed);
PlayGame(seed); // play the game( core of the game)
return (0);
}
int main(int argc, char * argv[], char **envp)
{
//The following two functions catch and process the interrupt and stop signals
//AKA signals sent by the Ctrl-C and Ctrl-Z commands
if (signal(SIGINT,signal_catcher)==SIG_ERR)
{
perror("Sigset cannot set SIGINT");
exit(SIGINT);
}
if (signal(SIGTSTP, signal_catcher)==SIG_ERR)
{
perror("Sigset can not set SIGTSTP");
exit(SIGTSTP);
}
//Declaring and initializing variables to be used later
initHistory();
initAlias();
int this_input = 0;
char * input = (char *) malloc(sizeof(char)*64);
strcpy (input, "noexit");
char *shellname = (char *) malloc(sizeof(char)*32);
strcpy (shellname, "myshell");
setShellName(shellname);
printf ("[%s]%% ", shellname);
input = getLine(input, 100);
//Making sure the program does not crash if the input simply the return key
while (strcmp(input,"\0") == 0)
{
printf ("[%s]%% ", shellname);
input = getLine(input, 100);
}
setHistory(input);
breakLine (input);
this_input = whichInput();
char ** argrv = getargrv();
int argrc = getargrc();
int loop = 1;
while (loop != 0)
{
//Loop and process commands until the exist command is entered
if(this_input==4) {
if(strcmp(argrv[argrc-1], "&")==0)
{
//printf("Before forking PID:%d\n", getpid());
int pid = fork();
if(pid==0)
{
//sleep(2); //putting a delay in to emphasize background process
//printf("\nchild PID: %d\n", getpid());
decrargrc();
list();
//printf("\nIn the child process - ended.\n\n");
return 0;
} else
{
//printf("PPID:%d\n", getpid());
//printf("In the parent process.\n");
printf("%s process running in background", argrv[0]);
}
} else
list();
} else if(this_input==3) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
pwd();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
pwd();
} else if(this_input==6) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
prompt();
shellname = getShellName();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
{
prompt();
shellname = getShellName();
}
} else if(this_input==2) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
dirChange();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
dirChange();
} else if(this_input==5) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
mypid();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
mypid();
} else if(this_input==1) {
if (getargrc() == 1)
{
loop = 0;
free (input);
free (shellname);
input = NULL;
shellname = NULL;
freeDynamicMem();
return 0;
} else {
printf("%s: Arguments not valid.", argrv[0]);
}
} else if(this_input==7) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
printHistory();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
printHistory();
} else if(this_input==8) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
printf("\n***I've put a 3 second delay in to emphasize this background process\n");
sleep(3); //putting a delay in to emphasize background proces
decrargrc();
printEnv(envp);
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
printEnv(envp);
}else if(this_input==9) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
alias();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
alias();
}else if(this_input==10) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
murder();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
murder();
}else {
nocmd(input);
}
printf ("\n[%s]%% ", shellname);
input = getLine(input, 100);
while (strcmp(input,"\0") == 0)
{
printf ("[%s]%% ", shellname);
input = getLine(input, 100);
}
setHistory(input);
breakLine (input);
this_input = whichInput();
argrv = getargrv();
argrc = getargrc();
}
return 0;
}
int main(int argc, char *argv[]){
char *line;
pipeline pl;
int run;
//flags
int redo = 0;
int skip = 0;
int isResume = 0;
char *promptstr;
char* buffer;
numExits = 0;
jobIndex = 0;
histIndex = 0;
back = 0;
script = 0;
FILE* in;
/* check for the right number of arguments */
//if ( argc > 2 ) {
// printusage(argv[0]);
// exit(-1);
//}
if (argc >= 2)
{
DIR* dirp;
struct dirent *dp;
int isFound = 0;
if ((dirp = opendir(".")) == NULL)
{
perror("couldn't open path");
return 0;
}
//put files into array and sort their names
while ((dp = readdir(dirp)) != NULL)
{
if (strcmp(dp->d_name, argv[1]) == 0)
{
isFound = 1;
}
}
if (isFound == 0)
{
printf("%s: Command not found\n", argv[1]);
}
else
{
in = fopen(argv[1], "r");
buffer = (char*)malloc(sizeof(in));
script = 1;
}
}
//struct termios saved_term_mode;
struct sigaction action;
action.sa_handler = killHandle; /* set tick to be the handler function */
sigemptyset(&action.sa_mask); /* clear out masked functions */
action.sa_flags = 0; /* no special handling */
struct sigaction action2;
action2.sa_handler = susHandle; /* set tick to be the handler function */
sigemptyset(&action2.sa_mask); /* clear out masked functions */
action2.sa_flags = 0; /* no special handling */
/*
* Use the sigaction function to associate the signal action with SIGALRM.
*/
if (sigaction(SIGINT, &action, NULL) < 0 ) {
fprintf(stderr, "SIGINT\n");
exit(-1);
}
if(sigaction(SIGTSTP, &action2, NULL) < 0) {
fprintf(stderr, "SIGTSTP\n");
exit(-1);
}
//saved_term_mode = set_raw_term_mode();
initHistory();
initJobs();
//strcpy(jobs[1], "hey");
/* set prompt */
promptstr = PROMPT;
run = TRUE;
if (script == 0)
prompt(promptstr);
while ( run )
{
/// if reexecute was not called
if (redo == 0)
{
if (script == 0)
{
if ( NULL == (line = readLongString(stdin)) )
{
if ( feof(stdin) )
run = FALSE;
}
}
else
{
fgets(line, sizeof(in), in);
if (line[0] == '%')
{
line++;
isResume = 1;
}
}
}
else
{
//printf("histInd: %d\n", histIndex);
///if reexecute was called,
///find the correct place in the history
///list to extract the reexecuted command
int temp = histIndex;
temp--;
int ind = 0;
while (ind != reNumber)
{
temp--;
ind++;
}
line = history[temp];
printf("%s\n", line);
}
if (line == NULL)
{
if (feof(stdin))
run = FALSE;
}
else
{
if (line[0] == '%')
{
line++;
isResume = 1;
}
/* We got a line, send it off to the pipeline cracker and
* launch it
*/
//if (redo == 0)
//{
pl = crack_pipeline(line);
//}
redo = 0;
/*
* Show that it worked. This is where you're going to do
* something radically different: rather than printing the
* pipeline, you're going to execute it.
*/
if ( pl != NULL && strlen(pl->cline) > 0)
{
/*
if (pl->cline[0] == '%')
{
int i;
isResume = 1;
pl->stage[0].argv[0][0] = ' ';
for (i = 0; i < strlen(pl->cline)-1; i++)
{
pl->stage[0].argv[0][i] = pl->stage[0].argv[0][i+1];
}
pl->stage[0].argv[0][strlen(pl->cline)-1] = '\0';
}
*/
//print_pipeline(stdout,pl); /* print it. */
addHistory(pl->cline);
///add to the history what was typed into the command line
if (strcmp(pl->stage[0].argv[0], "history") == 0)
{
///print the history if possible
if (pl->stage[0].argc > 1)
{
printf("Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
printHistory();
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "jobs") == 0)
{
///print the suspended jobs if possible
if (pl->stage[0].argc > 1)
{
printf("Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
printJobs();
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "exit") == 0)
{
///exit vssh if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits++;
if (skip == 0)
exitCmd();
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "bg") == 0)
{
///background the most recently suspended job if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
bg(jobs[jobIndex-1]);
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "fg") == 0)
{
///foreground the most recently backgrounded job if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
fg(jobs[jobIndex-1]);
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "cd") == 0)
{
///change the directory of vssh if possible
if (pl->stage[0].argc > 2)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
cd(pl->stage[0].argv[1]);
skip = 0;
}
else if (isResume == 1)
{
///foreground the specified job if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
{
//pl->stage[0].argv[0]++;
int i;
int killFlag = 0;
for (i = 0; i < strlen(pl->stage[0].argv[0]); i++)
{
if (!isdigit(pl->stage[0].argv[0][i]))
{
///if the supplied job number is not a number
///then print error
killFlag = 1;
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[0]);
}
}
if (killFlag == 0)
{
if (atoi(pl->stage[0].argv[0]) <= 0 || atoi(pl->stage[0].argv[0]) > jobIndex)
///if the supplied job number is not a valid job index
///then print error
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[0]);
else
resume(jobs[atoi(pl->stage[0].argv[0])-1]->id, atoi(pl->stage[0].argv[0])-1);
}
}
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "!") == 0)
{
///reexecute the specified history command if possible
if (pl->stage[0].argc > 2 || strlen(pl->stage[0].argv[1]) > 3)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
///if the number supplied is not a valid history index
///then print error
if (pl->stage[0].argv[1][0] == '0' && skip == 0)
{
fprintf(stderr, "%s: Event not found\n", pl->stage[0].argv[1]);
skip = 1;
}
if (strlen(history[atoi(pl->stage[0].argv[1])]) <= 0 && skip == 0)
{
fprintf(stderr, "%s: Event not found\n", pl->stage[0].argv[1]);
skip = 1;
}
int i;
for (i = 0; i < strlen(pl->stage[0].argv[1]); i++)
{
if (!isdigit(pl->stage[0].argv[1][i]) && skip == 0)
{
///if the number supplied is not a number
///then print error
fprintf(stderr, "%s: Event not found\n", pl->stage[0].argv[1]);
skip = 1;
}
}
numExits = 0;
if (skip == 0)
{
redo = 1;
reNumber = atoi(pl->stage[0].argv[1]);
//printf("renum: %d\n", reNumber);
//pl = crack_pipeline(history[atoi(pl->stage[0].argv[1])]);
//printf("%s\n", pl->cline);
//lineno++;
//continue;
}
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "kill") == 0)
{
///kill the specified job if possible
if (pl->stage[0].argc > 2)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
{
int i;
int killFlag = 0;
for (i = 0; i < strlen(pl->stage[0].argv[1]); i++)
{
///if the supplied job number is not a number
///then print error
if (!isdigit(pl->stage[0].argv[1][i]))
{
killFlag = 1;
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[1]);
}
}
if (killFlag == 0)
{
if (atoi(pl->stage[0].argv[1]) <= 0 || atoi(pl->stage[0].argv[1]) > jobIndex)
///if the supplied job number is not a valid job index
///then print error
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[1]);
else
killProcess(atoi(pl->stage[0].argv[1])-1, jobs[atoi(pl->stage[0].argv[1])-1]->id);
}
}
skip = 0;
}
else
{
///pipe/redirect as necessary
numExits = 0;
//int i;
//for (i = 0; i < pl->length; i++)
//{
//else
//{
//handle backgrounding "&"
//find the &
int j;
int andFound = 0;
int pipeFound = 0;
for (j = 1; j < strlen(pl->cline); j++)
{
if (pl->cline[j] == '|')
{
//fprintf(stderr, "Pipelines cannot be backgrounded\n");
pipeFound = 1;
}
else if (pl->cline[j] == '&')
{
//error if & is not the last arg, exec nothing
if (pipeFound == 1)
{
fprintf(stderr, "Pipelines cannot be backgrounded\n");
}
else if (j != strlen(pl->cline) - 1)
{
andFound = 1;
fprintf(stderr, "Junk after '&'.\n");
}
else if (pl->cline[j-1] == ' ')
{
andFound = 1;
pl->cline[j] = '\0';
//backExec(pl->stage[0].argv[0], pl->stage[0].argv, pl->cline);
back = 1;
}
}
}
if (pl->length >= 2)
{
///pipe if the pipline has 2 or more stages
pipeCmd(pl);
}
else if (pl->stage[0].outname != NULL && pl->stage[0].inname != NULL)
{
redirectBoth(pl->stage[0].argv, pl->stage[0].inname, pl->stage[0].outname);
}
else if (pl->stage[0].outname != NULL)
{
///otherwise redirect output if there is an outfile
redirectOutput(pl->stage[0].argv, pl->stage[0].outname, pl->cline);
}
else if (pl->stage[0].inname != NULL)
{
///otherwise redirect input if there is an infile
redirectInput(pl->stage[0].argv, pl->stage[0].inname, pl->cline);
}
else if (andFound == 0)
{
//execute if not a built-in command
execute(pl->stage[0].argv[0], pl->stage[0].argv, pl->cline);
}
back = 0;
//}
//}
}
}
free_pipeline(pl);
fflush(stdout); /* also frees line */
lineno++; /* readLongString trims newlines, so increment it manually */
}
if (run )
{
if (script == 0) /* assuming we still want to run */
prompt(promptstr);
}
}
return 0;
}
int main(int argc, char * argv[])
{
//variables
static unsigned long commHistSize = 10;
static const char USAGE_MESS[] = "Usage: mysh [-v] [-h pos_num]";
if(argc > 1) //parse options if any given
{
if(strcmp("-v", argv[1]) == 0) //if verbose option given
verboseMode = 1;
else if(strcmp("-h", argv[1]) == 0) //if history option given
{
if(argc > 2) //convert to long and update if number given
{
long temp = strtol(argv[2], NULL, 10);
if(temp > 0) //if positive num, update command history
commHistSize = temp;
else
{
fprintf(stderr, "%s\n", USAGE_MESS);
return EXIT_INVALID_ARG;
}
}
else //no number given
{
fprintf(stderr, "%s\n", USAGE_MESS);
return EXIT_INVALID_ARG;
}
}
else //if unrecognized argument
{
fprintf(stderr, "%s\n", USAGE_MESS);
return EXIT_INVALID_ARG;
}
}
//initialize all necessary variables
static unsigned long curCommand = 1; //current command index
char *prevCommands[commHistSize]; //command history array
initHistory(prevCommands, commHistSize); //initialize prevCommands array
//variables needed for getting input
char *inputBuf = NULL;
size_t lineLen = 0;
int progRet = EXIT_SUCCESS;
int ret = -1;
printf("mysh[%lu]> ", curCommand); //print prompt
//get line, process while we have actually read bytes
while((ret = getline(&inputBuf, &lineLen, stdin)) > 0)
{
if(ret == 1) //if only a new line given, prompt and start again
{
printf("mysh[%lu]> ", curCommand);
continue;
}
//handle if ! was given, get given command history index
if(inputBuf[0] == '!')
{
//get the num after the !
unsigned long tempNum = 0;
ret = sscanf(inputBuf, "!%lu", &tempNum);
char *tempBuf = NULL;
if(ret > 0) //if no number found there was an error. keep it NULL
tempBuf = getCommand(prevCommands, commHistSize, curCommand,
tempNum);
if(!tempBuf) //if null, there was an error
{
fprintf(stderr, "Invalid command index number given.\n");
printf("mysh[%lu]> ", curCommand);
continue;
}
else //if not null, realloc and copy string to inputBuf
{
char *temp = (char*)realloc(inputBuf, strlen(tempBuf) + 1);
if(temp)
{
inputBuf = temp;
strcpy(inputBuf, tempBuf);
}
}
}
else //remove trailing newline if no ! given
inputBuf[ret - 1] = '\0';
if(verboseMode)
printf("\tCommand: %s\n\n", inputBuf);
if(!strncmp(inputBuf, "quit", 4))
break;
//add command to command history
ret = addCommand(prevCommands, commHistSize, inputBuf, curCommand);
if(ret) //if nonzero, something failed
{
perror("mysh");
ret = 1;
progRet = EXIT_FAILURE;
break;
}
//tokenize input and get it in args
char **args = NULL;
int argSize = split(inputBuf, &args);
//we don't need inputBuf any more so free it
free(inputBuf);
inputBuf = NULL;
if(argSize < 0) //if error found parsing args.
{
perror("mysh");
ret = 1;
progRet = EXIT_FAILURE;
break;
}
//process commands and do what they ask
if(!strcmp(args[0], "history")) //if they gave history command
printHistory(prevCommands, commHistSize, curCommand);
else if(!strcmp(args[0], "verbose")) //turn verbose on/off
{
if(argSize > 2)
verbose(args[1]);
else
verbose("");
}
else if(!strcmp(args[0], "help")) //print help for mysh
help(USAGE_MESS);
else if(!strcmp(args[0], "echo")) //echo their given args
echo(args, argSize - 1, 1);
else //external command, fork dat
{
int runRet = 0;
//fork/exec command, if -2, child failed so end gracefully
if((runRet = run(args)) == -2)
{
destroyArgs(args, argSize);
ret = 1;
progRet = runRet;
break;
}
if(runRet || verboseMode)
printf("Command status: %d\n", runRet);
}
//free some memory and print prompt before starting again
destroyArgs(args, argSize);
printf("mysh[%lu]> ", ++curCommand);
}
//memory management
destroyHistory(prevCommands, commHistSize);
free(inputBuf);
//if CTRL-D pressed/EOF, print newline for formatting
if(ret < 1)
putchar('\n');
return progRet;
}
int main (int argc, const char * argv[])
{
char *line;
pipeline pl;
char *promptstr;
initHistory();
initJobs();
/* check for the right number of arguments */
if(argc >= 2)
{
FILE* theFile = fopen(argv[1], "r");
if(theFile == NULL)
{
if(errno == ENOENT)
{
fprintf(stderr, "%s: Command not found.\n", argv[1]);
}
else
{
perror("fopen");
}
exit(-1);
}
if(dup2(fileno(theFile), STDIN_FILENO) == -1)
{
perror("dup2");
exit(-1);
}
fclose(theFile);
}
/* set prompt */
promptstr = PROMPT;
prompt(promptstr);
while ( TRUE )
{
if ( NULL == (line = readLongString(stdin)))
{
if ( feof(stdin) )
{
/* end of the input file, we're done */
exit(0);
}
}
else if(line[0] == '\0')
{
/* do nothing */
}
else
{
/* line is added to history list, and freed from there */
/* copyLine is sent to pipeline, and freed from there */
/* jobs need their own copy of the command_line */
char* copyLine = newstr(line);
/* We got a line, send it off to the pipeline cracker and
* launch it
*/
pl = crack_pipeline(copyLine);
if(pl != NULL)
{
addCommandToHistory(line);
runPipeline(pl);
}
free_pipeline(pl);
lineno++; /* readLongString trims newlines, so increment it manually */
}
fflush(stdout);
//tcsetpgrp(STDIN_FILENO, getpgid(0));
prompt(promptstr);
}
return 0;
}
void initFIR(filter * f)
{
f->len = FILTER_LENGTH;
initWeights(f);
initHistory(f);
}
