mirror of
https://github.com/osmarks/ngircd.git
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Write "error file" (/tmp/ngircd-XXX.err) only if compiled with debug
code ("--enable-debug") and running as daemon process.
This commit is contained in:
Alexander Barton
@@ -12,6 +12,8 @@
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ngIRCd CVSHEAD
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- Write "error file" (/tmp/ngircd-XXX.err) only if compiled with debug
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code ("--enable-debug") and running as daemon process.
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- Don't create version information string each time a client connects
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but insetead on server startup. By Florian Westphal.
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- New configuration variable "PidFile", section "[Global]": if defined,
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@@ -584,4 +586,4 @@ ngIRCd 0.0.1, 31.12.2001
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--
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$Id: ChangeLog,v 1.260 2005/02/09 09:52:58 alex Exp $
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$Id: ChangeLog,v 1.261 2005/02/10 12:49:04 alex Exp $
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@@ -14,7 +14,7 @@
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#include "portab.h"
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static char UNUSED id[] = "$Id: log.c,v 1.51 2005/02/09 09:52:58 alex Exp $";
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static char UNUSED id[] = "$Id: log.c,v 1.52 2005/02/10 12:49:04 alex Exp $";
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#include "imp.h"
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#include <assert.h>
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@@ -44,9 +44,12 @@ static char UNUSED id[] = "$Id: log.c,v 1.51 2005/02/09 09:52:58 alex Exp $";
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#include "log.h"
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LOCAL CHAR Error_File[FNAME_LEN];
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LOCAL CHAR Init_Txt[127];
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#ifdef DEBUG
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LOCAL CHAR Error_File[FNAME_LEN];
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#endif
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LOCAL VOID Wall_ServerNotice PARAMS(( CHAR *Msg ));
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@@ -89,10 +92,14 @@ Log_Init( VOID )
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#endif
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if( Init_Txt[0] ) Log( LOG_INFO, "Activating: %s.", Init_Txt );
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#ifdef DEBUG
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Error_File[0] = '\0';
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#endif
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} /* Log_Init */
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#ifdef DEBUG
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GLOBAL VOID
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Log_InitErrorfile( VOID )
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{
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@@ -119,6 +126,8 @@ Log_InitErrorfile( VOID )
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Log( LOG_DEBUG, "Redirected stderr to \"%s\".", Error_File );
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} /* Log_InitErrfile */
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#endif
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GLOBAL VOID
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Log_Exit( VOID )
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@@ -127,11 +136,13 @@ Log_Exit( VOID )
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if( NGIRCd_SignalRestart ) Log( LOG_NOTICE, "%s done (restarting).", PACKAGE_NAME );
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else Log( LOG_NOTICE, "%s done.", PACKAGE_NAME );
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#ifdef DEBUG
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if( Error_File[0] )
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{
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/* Error-File (stderr) loeschen */
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if( unlink( Error_File ) != 0 ) Log( LOG_ERR, "Can't delete \"%s\": %s", Error_File, strerror( errno ));
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}
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#endif
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#ifdef SYSLOG
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/* syslog abmelden */
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@@ -198,7 +209,7 @@ va_dcl
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if( Level <= LOG_CRIT )
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{
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/* Kritische Meldungen in Error-File (stderr) */
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/* log critical messages to stderr */
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fprintf( stderr, "%s\n", msg );
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fflush( stderr );
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}
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@@ -8,7 +8,7 @@
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* (at your option) any later version.
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* Please read the file COPYING, README and AUTHORS for more information.
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*
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* $Id: log.h,v 1.14 2003/12/26 15:55:07 alex Exp $
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* $Id: log.h,v 1.15 2005/02/10 12:49:04 alex Exp $
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*
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* Logging functions (header)
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*/
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@@ -38,7 +38,6 @@
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GLOBAL VOID Log_Init PARAMS((VOID ));
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GLOBAL VOID Log_Exit PARAMS((VOID ));
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GLOBAL VOID Log_InitErrorfile PARAMS((VOID ));
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GLOBAL VOID Log PARAMS((INT Level, CONST CHAR *Format, ... ));
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GLOBAL VOID Log_Init_Resolver PARAMS((VOID ));
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@@ -46,6 +45,10 @@ GLOBAL VOID Log_Exit_Resolver PARAMS((VOID ));
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GLOBAL VOID Log_Resolver PARAMS((CONST INT Level, CONST CHAR *Format, ... ));
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#ifdef DEBUG
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GLOBAL VOID Log_InitErrorfile PARAMS((VOID ));
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#endif
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#endif
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@@ -14,7 +14,7 @@
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#include "portab.h"
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static char UNUSED id[] = "$Id: ngircd.c,v 1.90 2005/02/09 09:52:58 alex Exp $";
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static char UNUSED id[] = "$Id: ngircd.c,v 1.91 2005/02/10 12:49:04 alex Exp $";
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#include "imp.h"
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#include <assert.h>
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@@ -28,6 +28,7 @@ static char UNUSED id[] = "$Id: ngircd.c,v 1.90 2005/02/09 09:52:58 alex Exp $";
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <fcntl.h>
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#include <pwd.h>
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#include <grp.h>
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@@ -62,6 +63,8 @@ LOCAL VOID Pidfile_Delete PARAMS(( VOID ));
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LOCAL VOID NGIRCd_FillVersion PARAMS(( VOID ));
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LOCAL VOID Setup_FDStreams PARAMS(( VOID ));
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GLOBAL int
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main( int argc, const char *argv[] )
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@@ -267,29 +270,31 @@ main( int argc, const char *argv[] )
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if( setuid( Conf_UID ) != 0 ) Log( LOG_ERR, "Can't change user ID to %u: %s", Conf_UID, strerror( errno ));
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}
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/* In der Regel wird ein Sub-Prozess ge-fork()'t, der
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* nicht mehr mit dem Terminal verbunden ist. Mit der
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* Option "--nodaemon" kann dies (z.B. zum Debuggen)
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* verhindert werden. */
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/* Normally a child process is forked which isn't any longer
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* connected to ther controlling terminal. Use "--nodaemon"
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* to disable this "daemon mode" (useful for debugging). */
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if( ! NGIRCd_NoDaemon )
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{
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/* Daemon im Hintergrund erzeugen */
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/* fork child process */
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pid = (LONG)fork( );
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if( pid > 0 )
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{
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/* "alter" Prozess */
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/* "Old" process: exit. */
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exit( 0 );
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}
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if( pid < 0 )
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{
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/* Fehler */
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printf( "%s: Can't fork: %s!\nFatal error, exiting now ...\n", PACKAGE_NAME, strerror( errno ));
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/* Error!? */
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fprintf( stderr, "%s: Can't fork: %s!\nFatal error, exiting now ...\n", PACKAGE_NAME, strerror( errno ));
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exit( 1 );
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}
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/* Child-Prozess initialisieren */
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/* New child process */
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(VOID)setsid( );
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chdir( "/" );
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/* Detach stdin, stdout and stderr */
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(VOID)Setup_FDStreams( );
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}
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/* Create PID file */
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@@ -326,11 +331,11 @@ main( int argc, const char *argv[] )
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#endif
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Conn_Init( );
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/* Redirect stderr handle to "error file" for debugging.
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* But don't try to write in the chroot jail, since it's more
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* secure to have a chroot dir not writable by the daemon.
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*/
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if( ! Conf_Chroot[0] ) Log_InitErrorfile( );
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#ifdef DEBUG
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/* Redirect stderr handle to "error file" for debugging
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* when not running in "no daemon" mode: */
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if( ! NGIRCd_NoDaemon ) Log_InitErrorfile( );
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#endif
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/* Signal-Handler initialisieren */
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Initialize_Signal_Handler( );
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@@ -629,4 +634,31 @@ Pidfile_Create( LONG pid )
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} /* Pidfile_Create */
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LOCAL VOID
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Setup_FDStreams( VOID )
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{
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int fd;
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/* Test if we can open /dev/null for reading and writing. If not
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* we are most probably chrooted already and the server has been
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* restarted. So we simply don't try to redirect stdXXX ... */
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fd = open( "/dev/null", O_RDWR );
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if ( fd < 0 ) return;
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/* Close "old" stdin/out/err descriptors */
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fclose( stdin ); fclose( stdout ); fclose( stderr );
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/* Create new stdin(0), stdout(1) and stderr(2) descriptors */
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dup2( fd, 0 ); dup2( fd, 1 ); dup2( fd, 2 );
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/* Close newly opened file descriptor if not stdin/out/err */
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if( fd > 2 ) close( fd );
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/* Assign FILE handles for stdin/out/err */
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stdin = fdopen( 0, "r" );
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stdout = fdopen( 1, "w" );
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stderr = fdopen( 2, "w" );
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} /* Setup_FDStreams */
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/* -eof- */
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