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boinc/clientscr/mac_saver_module.cpp

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// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// mac_saver_module.cpp
// BOINC_Saver_Module
//
#include <Carbon/Carbon.h>
#include <stdio.h>
#include <time.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <unistd.h>
#include <limits.h>
#include <sys/stat.h>
#include <sys/param.h> // for MAXPATHLEN
#include "gui_rpc_client.h"
#include "common_defs.h"
#include "util.h"
#include "Mac_Saver_Module.h"
#include "screensaver.h"
//#include <drivers/event_status_driver.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
} // extern "C"
#endif
// The science application can't display its graphics if, due to Fast User Switching,
// Switching, the active user is not the one who launched BOINC. If we always display
// the progress information as scrolled text whenever a science application is running,
// then the progress text would appear in this case. The text would be covered up by
// the graphics if they are displayed.
// But displaying the scrolled progress info takes up too much CPU time. We need to
// find a way to determine when Fast User Switching prevents graphics display and
// display scrolled progress text only in that case.
// Of course, we also display scrolled progress text when the science application does
// not support graphics).
#define ALWAYS_DISPLAY_PROGRESS_TEXT 0
// Flags for testing & debugging
#define CREATE_LOG 1
#ifdef __cplusplus
extern "C" {
#endif
void print_to_log_file(const char *format, ...);
#ifdef __cplusplus
}
void strip_cr(char *buf);
#endif
#define BANNER_GAP 30 /* Space between repeats of banner text */
#define BANNERDELTA 2 /* Number of pixels to move banner each frame */
#define BANNERFREQUENCY 90 /* Number of times per second to scroll banner */
#define NOBANNERFREQUENCY 4 /* Times per second to call drawGraphics if no banner */
#define STATUSUPDATEINTERVAL 5 /* seconds between status display updates */
#define TASK_RUN_CHECK_PERIOD 5 /* Seconds between safety check that task is actually running */
enum SaverState {
SaverState_Idle,
SaverState_LaunchingCoreClient,
SaverState_CoreClientRunning,
SaverState_RelaunchCoreClient,
SaverState_ConnectedToCoreClient,
SaverState_CantLaunchCoreClient,
SaverState_ControlPanelTestMode,
SaverState_UnrecoverableError
};
static CScreensaver* gspScreensaver = NULL;
extern int gGoToBlank; // True if we are to blank the screen
extern int gBlankingTime; // Delay in minutes before blanking the screen
extern CFStringRef gPathToBundleResources;
static SaverState saverState = SaverState_Idle;
// int gQuitCounter = 0;
RGBColor gBrandColor = {0xFFFF, 0xFFFF, 0xFFFF};
RGBColor gTextColor = {0xFFFF, 0xFFFF, 0xFFFF};
RGBColor gWhiteTextColor = {0xFFFF, 0xFFFF, 0xFFFF};
RGBColor gOrangeTextColor = {0xFFFF, 0x6262, 0x0000};
RGBColor gGrayTextColor = {0x9999, 0x9999, 0x9999};
const char * CantLaunchCCMsg = "Unable to launch BOINC application.";
const char * LaunchingCCMsg = "Launching BOINC application.";
const char * ConnectingCCMsg = "Connecting to BOINC application.";
const char * BOINCSuspendedMsg = "BOINC is currently suspended.";
const char * BOINCNoAppsExecutingMsg = "BOINC is currently idle.";
const char * BOINCNoProjectsDetectedMsg = "BOINC is not attached to any projects. Please attach to projects using the BOINC Manager.";
const char * BOINCNoGraphicAppsExecutingMsg = "Project does not support screensaver graphics: ";
const char * BOINCUnrecoverableErrorMsg = "Sorry, an unrecoverable error occurred";
const char * BOINCTestmodeMsg = "BOINC screensaver is running, but cannot display graphics in test mode.";
//const char * BOINCExitedSaverMode = "BOINC is no longer in screensaver mode.";
// Returns desired Animation Frequency (per second) or 0 for no change
int initBOINCSaver(Boolean ispreview) {
if (ispreview)
return 8;
gspScreensaver = new CScreensaver();
return gspScreensaver->Create();
}
int drawGraphics(GrafPtr aPort) {
return gspScreensaver->drawGraphics(aPort);
};
void drawPreview(GrafPtr aPort) {
gspScreensaver->drawPreview(aPort);
};
void closeBOINCSaver() {
gspScreensaver->ShutdownSaver();
}
CScreensaver::CScreensaver() {
m_dwBlankScreen = 0;
m_dwBlankTime = 0;
m_bErrorMode = false;
m_hrError = 0;
m_StatusMessageUpdated = false;
// Display first status update after 5 seconds
m_statusUpdateCounter = ((STATUSUPDATEINTERVAL-5) * BANNERFREQUENCY);
saverState = SaverState_Idle;
m_wasAlreadyRunning = false;
m_CoreClientPID = nil;
m_MsgBuf[0] = 0;
setBannerText(0, NULL);
m_BannerWidth = 0;
m_CurrentBannerMessage = 0;
m_QuitDataManagementProc = false;
m_BrandText = "BOINC";
m_updating_results = false;
m_hDataManagementThread = NULL;
m_hGraphicsApplication = NULL;
m_bResetCoreState = TRUE;
rpc = 0;
}
int CScreensaver::Create() {
int newFrequency = 15;
ProcessSerialNumber psn;
ProcessInfoRec pInfo;
OSStatus err;
// Ugly workaround for a problem with the System Preferences app
// For an unknown reason, when this screensaver is run using the
// Test button in the System Prefs Screensaver control panel, the
// control panel calls our stopAnimation function as soon as the
// science application opens a GLUT window. This problem does not
// occur when the screensaver is run normally (from the screensaver
// engine.) So we just display a message and don't access the core
// client.
GetCurrentProcess(&psn);
memset(&pInfo, 0, sizeof(pInfo));
pInfo.processInfoLength = sizeof( ProcessInfoRec );
pInfo.processName = NULL;
err = GetProcessInformation(&psn, &pInfo);
if ( (err == noErr) && (pInfo.processSignature == 'sprf') ) {
saverState = SaverState_ControlPanelTestMode;
}
// If there are multiple displays, initBOINCSaver may get called
// multiple times (once for each display), so we need to guard
// against launching multiple instances of the core client
if (saverState == SaverState_Idle) {
// Calculate the estimated blank time by adding the starting
// time and and the user-specified time which is in minutes
m_dwBlankScreen = gGoToBlank;
if (gGoToBlank)
m_dwBlankTime = time(0) + (gBlankingTime * 60);
else
m_dwBlankTime = 0;
CFStringGetCString(gPathToBundleResources, m_gfx_Switcher_Path, sizeof(m_gfx_Switcher_Path), kCFStringEncodingMacRoman);
strlcat(m_gfx_Switcher_Path, "/gfx_switcher", sizeof(m_gfx_Switcher_Path));
err = initBOINCApp();
if (saverState == SaverState_LaunchingCoreClient)
{
SetError(FALSE, 0);
m_QuitDataManagementProc = false;
if (rpc == NULL)
rpc = new RPC_CLIENT;
newFrequency = NOBANNERFREQUENCY;
}
}
return newFrequency;
}
OSStatus CScreensaver::initBOINCApp() {
char boincPath[2048];
pid_t myPid;
int status;
OSStatus err;
static int retryCount = 0;
long brandId = 0;
saverState = SaverState_CantLaunchCoreClient;
m_CoreClientPID = FindProcessPID("boinc", 0);
if (m_CoreClientPID) {
m_wasAlreadyRunning = true;
saverState = SaverState_LaunchingCoreClient;
return noErr;
}
m_wasAlreadyRunning = false;
if (++retryCount > 3) // Limit to 3 relaunches to prevent thrashing
return -1;
brandId = GetBrandID();
switch(brandId) {
case 1:
m_BrandText = "GridRepublic";
gBrandColor = gOrangeTextColor; // Orange
gTextColor = gGrayTextColor; // Gray
break;
default:
m_BrandText = "BOINC";
gBrandColor = gWhiteTextColor; // White
gTextColor = gWhiteTextColor; // White
break;
}
err = GetpathToBOINCManagerApp(boincPath, sizeof(boincPath));
if (err) { // If we couldn't find BOINCManager.app, try default path
strcpy(boincPath, "/Applications/");
if (brandId)
strcat(boincPath, m_BrandText);
else
strcat(boincPath, "BOINCManager");
strcat(boincPath, ".app");
}
strcat(boincPath, "/Contents/Resources/boinc");
if ( (myPid = fork()) < 0)
return -1;
else if (myPid == 0) // child
{
// We don't customize BOINC Data directory name for branding
#if 0 // Code for separate data in each user's private directory
char buf[256];
strcpy(buf, getenv("HOME"));
strcat(buf, "/Library/Application Support/BOINC Data");
status = chdir(buf);
#else // All users share the same data
status = chdir("/Library/Application Support/BOINC Data");
#endif
if (status) {
perror("chdir");
fflush(NULL);
_exit(status);
}
status = execl(boincPath, boincPath, "-redirectio", "-saver", (char *) 0);
fflush(NULL);
_exit(127); // execl error (execl should never return)
} else {
m_CoreClientPID = myPid; // make this available globally
saverState = SaverState_LaunchingCoreClient;
}
return noErr;
}
// Returns new desired Animation Frequency (per second) or 0 for no change
int CScreensaver::drawGraphics(GrafPtr aPort) {
CGrafPtr savePort;
GDHandle saveGDH;
int newFrequency = 15;
pid_t myPid;
OSStatus err;
ObscureCursor();
m_statusUpdateCounter++;
switch (saverState) {
case SaverState_RelaunchCoreClient:
err = initBOINCApp();
break;
case SaverState_LaunchingCoreClient:
if (m_wasAlreadyRunning)
setBannerText(ConnectingCCMsg, aPort);
else
setBannerText(LaunchingCCMsg, aPort);
myPid = FindProcessPID(NULL, m_CoreClientPID);
if (myPid) {
saverState = SaverState_CoreClientRunning;
rpc->init(NULL); // Initialize communications with Core Client
// Set up a separate thread for communicating with Core Client
CreateDataManagementThread();
// ToDo: Add a timeout after which we display error message
} else
// Take care of the possible race condition where the Core Client was in the
// process of shutting down just as ScreenSaver started, so initBOINCApp()
// found it already running but now it has shut down.
if (m_wasAlreadyRunning) // If we launched it, then just wait for it to start
saverState = SaverState_RelaunchCoreClient;
break;
case SaverState_CoreClientRunning:
// RPC called in DataManagementProc()
setBannerText(ConnectingCCMsg, aPort);
if (! m_bResetCoreState) {
saverState = SaverState_ConnectedToCoreClient;
}
break;
case SaverState_ConnectedToCoreClient:
switch (m_hrError) {
case 0:
break; // No status response yet from DataManagementProc
case SCRAPPERR_SCREENSAVERBLANKED:
default:
setBannerText(0, aPort); // No text message
break;
case SCRAPPERR_BOINCSUSPENDED:
setBannerText(BOINCSuspendedMsg, aPort);
break;
case SCRAPPERR_BOINCNOAPPSEXECUTING:
setBannerText(BOINCNoAppsExecutingMsg, aPort);
break;
case SCRAPPERR_BOINCNOPROJECTSDETECTED:
setBannerText(BOINCNoProjectsDetectedMsg, aPort);
break;
case SCRAPPERR_SCREENSAVERRUNNING:
#if ! ALWAYS_DISPLAY_PROGRESS_TEXT
setBannerText(0, aPort); // No text message
// Let the science app draw over our window
break;
#endif
case SCRAPPERR_BOINCNOGRAPHICSAPPSEXECUTING:
if (m_StatusMessageUpdated) {
setBannerText(m_MsgBuf, aPort);
updateBannerText(m_MsgBuf, aPort);
m_StatusMessageUpdated = false;
}
break;
#if 0
case SCRAPPERR_QUITSCREENSAVERREQUESTED:
// setBannerText(BOINCExitedSaverMode, aPort);
// Wait 1 second to allow ScreenSaver engine to close us down
if (++gQuitCounter > (bannerText[0] ? BANNERFREQUENCY : NOBANNERFREQUENCY)) {
closeBOINCSaver();
KillScreenSaver(); // Stop the ScreenSaver Engine
}
break;
#endif
} // end switch (m_hrError)
break;
case SaverState_ControlPanelTestMode:
setBannerText(BOINCTestmodeMsg, aPort);
break;
case SaverState_UnrecoverableError:
setBannerText(BOINCUnrecoverableErrorMsg, aPort);
break;
case SaverState_CantLaunchCoreClient:
setBannerText(CantLaunchCCMsg, aPort);
break;
case SaverState_Idle:
break; // Should never get here; fixes compiler warning
} // end switch (saverState)
if (m_BannerText[0]) {
GetGWorld(&savePort, &saveGDH);
SetPort(aPort);
drawBanner(aPort);
SetGWorld(savePort, saveGDH);
newFrequency = BANNERFREQUENCY;
} else
newFrequency = NOBANNERFREQUENCY;
return newFrequency;
}
void CScreensaver::drawPreview(GrafPtr aPort) {
SetPort(aPort);
setBannerText(" BOINC", aPort);
drawBanner(aPort);
}
// If there are multiple displays, closeBOINCSaver may get called
// multiple times (once for each display), so we need to guard
// against any problems that may cause.
void CScreensaver::ShutdownSaver() {
DestroyDataManagementThread();
if (rpc) {
#if 0 // OS X calls closeBOINCSaver() when energy saver puts display
// to sleep, but we want to keep crunching. So don't kill it.
// Code in core client now quits on user activity if screen
// saver launched it (2/28/07).
// Also, under sandbox security, screensaver doesn't have access
// to rpc password in gui_rpc_auth.cfg file, so core client won't
// accept rpc->quit from screensaver.
if (m_CoreClientPID && (!m_wasAlreadyRunning)) {
rpc->quit(); // Kill core client if we launched it
}
#endif
delete rpc;
rpc = NULL;
}
setBannerText(0, NULL);
m_CoreClientPID = 0;
// gQuitCounter = 0;
m_wasAlreadyRunning = false;
m_QuitDataManagementProc = false;
saverState = SaverState_Idle;
}
// This function forwards to DataManagementProc, which has access to the
// "this" pointer.
//
void * CScreensaver::DataManagementProcStub(void* param) {
return gspScreensaver->DataManagementProc();
}
void CScreensaver::HandleRPCError() {
// Attempt to restart BOINC Client if needed, reinitialize the RPC client and state
rpc->close();
// There is a possible race condition where the Core Client was in the
// process of shutting down just as ScreenSaver started, so initBOINCApp()
// found it already running but now it has shut down. This code takes
// care of that and other situations where the Core Client quits unexpectedy.
if (FindProcessPID("boinc", 0) == 0) {
saverState = SaverState_RelaunchCoreClient;
m_bResetCoreState = true;
}
rpc->init(NULL); // Otherwise just reinitialize the RPC client and state and keep trying
// Error message after timeout?
}
bool CScreensaver::CreateDataManagementThread() {
int retval;
if (m_hDataManagementThread == NULL) {
retval = pthread_create(&m_hDataManagementThread, NULL, DataManagementProcStub, 0);
if (retval) {
saverState = SaverState_UnrecoverableError;
return false;
}
}
return true;
}
bool CScreensaver::DestroyDataManagementThread() {
m_QuitDataManagementProc = true; // Tell DataManagementProc thread to exit
if (m_hDataManagementThread) { // Wait for DataManagementProc thread to exit
pthread_join(m_hDataManagementThread, NULL);
m_hDataManagementThread = NULL;
}
return true;
}
bool CScreensaver::SetError(bool bErrorMode, unsigned int hrError) {
m_bErrorMode = bErrorMode;
m_hrError = hrError;
if ((hrError == SCRAPPERR_BOINCNOGRAPHICSAPPSEXECUTING)
#if ALWAYS_DISPLAY_PROGRESS_TEXT
|| (hrError == SCRAPPERR_SCREENSAVERRUNNING)
#endif
)
{
UpdateProgressText();
}
return true;
}
void CScreensaver::UpdateProgressText() {
int iResultCount;
int iIndex;
unsigned int len;
RESULT* theResult;
PROJECT* pProject;
char statusBuf[256];
double percent_done;
if ( (m_statusUpdateCounter >= (STATUSUPDATEINTERVAL * BANNERFREQUENCY) ) && !m_updating_results ) {
if (! m_StatusMessageUpdated) {
m_statusUpdateCounter = 0;
strcpy(m_MsgBuf, BOINCNoGraphicAppsExecutingMsg);
iResultCount = results.results.size();
theResult = NULL;
for (iIndex = 0; iIndex < iResultCount; iIndex++) {
theResult = results.results.at(iIndex);
// The get_state rpc is time-consuming, so we assume the list of
// attached projects does not change while the screensaver is active.
pProject = state.lookup_project(theResult->project_url);
if (pProject != NULL) {
percent_done = theResult->fraction_done * 100;
if (percent_done < 0.01)
len = sprintf(statusBuf, (" %s"), pProject->project_name.c_str());
else // Display percent_done only after we have a valid value
len = sprintf(statusBuf, (" %s: %.2f%%"),
pProject->project_name.c_str(), percent_done);
strlcat(m_MsgBuf, statusBuf, sizeof(m_MsgBuf));
} else { // (pProject == NULL): re-synch with client
HandleRPCError();
return;
}
} // end for() loop
m_StatusMessageUpdated = true;
} // end if (! m_StatusMessageUpdated)
} // end if (m_statusUpdateCounter > time to update)
}
void CScreensaver::setBannerText(const char * msg, GrafPtr aPort) {
if (msg == 0)
m_BannerText[0] = 0;
if ((char *)m_CurrentBannerMessage != msg)
updateBannerText((char *)msg, aPort);
}
void CScreensaver::updateBannerText(char *msg, GrafPtr aPort) {
CGrafPtr savePort;
RGBColor saveBackColor;
Rect wRect;
char *p, *s;
m_CurrentBannerMessage = (StringPtr)msg;
if (aPort == NULL)
return;
GetPort(&savePort);
SetPort(aPort);
GetPortBounds(aPort, &wRect);
GetBackColor(&saveBackColor);
BackColor ( blackColor );
EraseRect(&wRect);
RGBBackColor(&saveBackColor);
if (msg) {
TextSize(24);
TextFace(bold);
s = msg;
m_BannerText[0] = '\0';
do {
p = strstr(s, "BOINC");
if (p == NULL) {
strcat(m_BannerText, s);
} else {
strncat(m_BannerText, s, p - s);
strcat(m_BannerText, m_BrandText);
s = p + 5; // s = p + strlen("BOINC");
}
} while (p);
m_BannerWidth = TextWidth(m_BannerText, 0, strlen(m_BannerText)) + BANNER_GAP;
// Round up m_BannerWidth to an integral multiple of BANNERDELTA
m_BannerWidth = ((m_BannerWidth + BANNERDELTA - 1) / BANNERDELTA) * BANNERDELTA;
}
SetPort(savePort);
}
void CScreensaver::drawBanner(GrafPtr aPort) {
CGrafPtr savePort;
GDHandle saveGDH;
RGBColor saveForeColor, saveBackColor;
short x, y;
Rect wRect;
FontInfo fInfo;
static short bannerPos;
char *p, *s;
if (aPort == NULL)
return;
GetGWorld(&savePort, &saveGDH);
SetPort(aPort);
GetForeColor(&saveForeColor);
GetBackColor(&saveBackColor);
RGBForeColor(&gTextColor);
BackColor(blackColor);
GetPortBounds(aPort, &wRect);
if ( (bannerPos + m_BannerWidth) <= (wRect.left + BANNERDELTA) )
bannerPos = wRect.left;
else
bannerPos -= BANNERDELTA;
x = bannerPos;
y = (wRect.bottom - wRect.top) / 3 + wRect.top;
GetFontInfo(&fInfo);
wRect.top = y - fInfo.ascent;
wRect.bottom = y + fInfo.descent;
EraseRect(&wRect);
do {
MoveTo(x, y);
s = m_BannerText;
do {
p = strstr(s, m_BrandText);
if (p == NULL) {
DrawText(s, 0, strlen(s));
} else {
DrawText(s, 0, p - s);
RGBForeColor(&gBrandColor);
DrawText(m_BrandText, 0, strlen(m_BrandText));
s = p + strlen(m_BrandText);
RGBForeColor(&gTextColor);
}
} while (p);
x+= m_BannerWidth;
} while (x < wRect.right);
RGBForeColor(&saveForeColor);
RGBBackColor(&saveBackColor);
SetGWorld(savePort, saveGDH);
}
int CScreensaver::GetBrandID()
{
char buf[1024];
long iBrandId;
OSErr err;
iBrandId = 0; // Default value
err = GetpathToBOINCManagerApp(buf, sizeof(buf));
if (err) {
// If we couldn't find our application bundle, look in BOINC Data Directory
// (the installer put a copy there for us)
strcpy(buf, "/Library/Application Support/BOINC Data/Branding");
} else
strcat(buf, "/Contents/Resources/Branding");
FILE *f = fopen(buf, "r");
if (f) {
fscanf(f, "BrandId=%ld\n", &iBrandId);
fclose(f);
}
return iBrandId;
}
char * CScreensaver::PersistentFGets(char *buf, size_t buflen, FILE *f) {
char *p = buf;
size_t len = buflen;
size_t datalen = 0;
*buf = '\0';
while (datalen < (buflen - 1)) {
fgets(p, len, f);
if (feof(f)) break;
if (ferror(f) && (errno != EINTR)) break;
if (strchr(buf, '\n')) break;
datalen = strlen(buf);
p = buf + datalen;
len -= datalen;
}
return (buf[0] ? buf : NULL);
}
pid_t CScreensaver::FindProcessPID(char* name, pid_t thePID)
{
FILE *f;
char buf[1024];
size_t n = 0;
pid_t aPID;
if (name != NULL) // Search ny name
n = strlen(name);
f = popen("ps -a -x -c -o command,pid", "r");
if (f == NULL)
return 0;
while (PersistentFGets(buf, sizeof(buf), f))
{
if (name != NULL) { // Search ny name
if (strncmp(buf, name, n) == 0)
{
aPID = atol(buf+16);
pclose(f);
return aPID;
}
} else { // Search by PID
aPID = atol(buf+16);
if (aPID == thePID) {
pclose(f);
return aPID;
}
}
}
pclose(f);
return 0;
}
OSErr CScreensaver::GetpathToBOINCManagerApp(char* path, int maxLen)
{
CFStringRef bundleID = CFSTR("edu.berkeley.boinc");
OSType creator = 'BNC!';
FSRef theFSRef;
OSStatus status = noErr;
status = LSFindApplicationForInfo(creator, bundleID, NULL, &theFSRef, NULL);
if (status == noErr)
status = FSRefMakePath(&theFSRef, (unsigned char *)path, maxLen);
return status;
}
// Send a Quit AppleEvent to the process which called this module
// (i.e., tell the ScreenSaver engine to quit)
OSErr CScreensaver::KillScreenSaver() {
ProcessSerialNumber thisPSN;
pid_t thisPID;
OSErr err = noErr;
GetCurrentProcess(&thisPSN);
err = GetProcessPID(&thisPSN , &thisPID);
if (err == noErr)
err = kill(thisPID, SIGABRT); // SIGINT
return err;
}
void CScreensaver::print_to_log_file(const char *format, ...) {
#if CREATE_LOG
FILE *f;
va_list args;
char buf[256];
time_t t;
strcpy(buf, getenv("HOME"));
strcat(buf, "/Documents/test_log.txt");
f = fopen(buf, "a");
if (!f) return;
// freopen(buf, "a", stdout);
// freopen(buf, "a", stderr);
time(&t);
strcpy(buf, asctime(localtime(&t)));
strip_cr(buf);
fputs(buf, f);
fputs(" ", f);
va_start(args, format);
vfprintf(f, format, args);
va_end(args);
fputs("\n", f);
fflush(f);
fclose(f);
#endif
}
#if CREATE_LOG
void CScreensaver::strip_cr(char *buf)
{
char *theCR;
theCR = strrchr(buf, '\n');
if (theCR)
*theCR = '\0';
theCR = strrchr(buf, '\r');
if (theCR)
*theCR = '\0';
}
#endif // CREATE_LOG
const char *BOINC_RCSID_7ce0778d35="$Id$";
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