mirror of
https://salsa.debian.org/gnuk-team/gnuk/gnuk.git
synced 2024-09-21 03:10:08 +00:00
244 lines
4.6 KiB
C
244 lines
4.6 KiB
C
/*
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* main.c - main routine of Gnuk
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*
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* Copyright (C) 2010 Free Software Initiative of Japan
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* Author: NIIBE Yutaka <gniibe@fsij.org>
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*
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* This file is a part of Gnuk, a GnuPG USB Token implementation.
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*
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* Gnuk is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Gnuk is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include "usb_lib.h"
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#include "ch.h"
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#include "gnuk.h"
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#include "usb_lld.h"
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#include "usb_istr.h"
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#include "usb_desc.h"
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#include "hw_config.h"
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#include "usb_pwr.h"
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#ifdef DEBUG
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struct stdout {
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Mutex m;
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CondVar start_cnd;
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CondVar finish_cnd;
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const char *str;
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int size;
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};
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static struct stdout stdout;
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static void
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stdout_init (void)
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{
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chMtxInit (&stdout.m);
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chCondInit (&stdout.start_cnd);
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chCondInit (&stdout.finish_cnd);
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stdout.size = 0;
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stdout.str = NULL;
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}
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void
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_write (const char *s, int size)
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{
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if (size == 0)
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return;
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chMtxLock (&stdout.m);
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while (stdout.str)
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chCondWait (&stdout.finish_cnd);
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stdout.str = s;
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stdout.size = size;
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chCondSignal (&stdout.start_cnd);
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chCondWait (&stdout.finish_cnd);
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chMtxUnlock ();
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}
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Thread *stdout_thread;
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uint32_t count_in;
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uint8_t buffer_in[VIRTUAL_COM_PORT_DATA_SIZE];
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static WORKING_AREA(waSTDOUTthread, 128);
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static msg_t
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STDOUTthread (void *arg)
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{
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(void)arg;
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stdout_thread = chThdSelf ();
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again:
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while (1)
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{
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if (bDeviceState == CONFIGURED)
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break;
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chThdSleepMilliseconds (100);
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}
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while (1)
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{
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const char *p;
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int len;
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if (bDeviceState != CONFIGURED)
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break;
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chMtxLock (&stdout.m);
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if (stdout.str == NULL)
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chCondWait (&stdout.start_cnd);
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p = stdout.str;
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len = stdout.size;
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while (len > 0)
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{
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int i;
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if (len < VIRTUAL_COM_PORT_DATA_SIZE)
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{
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for (i = 0; i < len; i++)
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buffer_in[i] = p[i];
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count_in = len;
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len = 0;
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}
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else
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{
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for (i = 0; i < VIRTUAL_COM_PORT_DATA_SIZE; i++)
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buffer_in[i] = p[i];
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len -= VIRTUAL_COM_PORT_DATA_SIZE;
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count_in = VIRTUAL_COM_PORT_DATA_SIZE;
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p += count_in;
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}
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chEvtClear (EV_TX_READY);
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USB_SIL_Write (EP3_IN, buffer_in, count_in);
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SetEPTxValid (ENDP3);
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chEvtWaitOne (EV_TX_READY);
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}
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stdout.str = NULL;
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stdout.size = 0;
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chCondBroadcast (&stdout.finish_cnd);
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chMtxUnlock ();
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}
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goto again;
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return 0;
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}
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#else
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void
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_write (const char *s, int size)
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{
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(void)s;
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(void)size;
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}
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#endif
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static WORKING_AREA(waUSBthread, 128);
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extern msg_t USBthread (void *arg);
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static WORKING_AREA(waGPGthread, 128*16);
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extern msg_t GPGthread (void *arg);
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Thread *blinker_thread;
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/*
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* LEDs blinks.
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* When GPGthread execute some command, LED stop blinking, but always ON.
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*/
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#define LED_BLINKER_TIMEOUT MS2ST(200)
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/*
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* Entry point, note, the main() function is already a thread in the system
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* on entry.
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*/
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int
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main (int argc, char **argv)
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{
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eventmask_t m;
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uint8_t led_state = 0;
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int count = 0;
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const uint8_t *flash_data_start;
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(void)argc;
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(void)argv;
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blinker_thread = chThdSelf ();
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flash_data_start = flash_init ();
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gpg_data_scan (flash_data_start);
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usb_lld_init ();
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USB_Init();
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#ifdef DEBUG
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stdout_init ();
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/*
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* Creates 'stdout' thread.
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*/
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chThdCreateStatic (waSTDOUTthread, sizeof(waSTDOUTthread), NORMALPRIO, STDOUTthread, NULL);
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#endif
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chThdCreateStatic (waUSBthread, sizeof(waUSBthread), NORMALPRIO, USBthread, NULL);
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chThdCreateStatic (waGPGthread, sizeof(waGPGthread), NORMALPRIO, GPGthread, NULL);
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while (1)
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{
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count++;
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m = chEvtWaitOneTimeout (ALL_EVENTS, LED_BLINKER_TIMEOUT);
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if (m == EV_LED_ON)
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led_state = 1;
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else if (m == EV_LED_OFF)
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led_state = 0;
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if (led_state)
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set_led (1);
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else
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{
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if ((count & 1))
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set_led (1);
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else
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set_led (0);
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}
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#ifdef DEBUG_MORE
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if (bDeviceState == CONFIGURED && (count % 100) == 0)
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{
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DEBUG_SHORT (count / 100);
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_write ("\r\nThis is ChibiOS 2.0.2 on Olimex STM32-H103.\r\n"
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"Testing USB driver.\n\n"
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"Hello world\r\n\r\n", 47+21+15);
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}
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#endif
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}
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return 0;
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}
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void
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fatal (void)
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{
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_write ("fatal\r\n", 7);
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for (;;);
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}
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