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nk2edf.cpp
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nk2edf.cpp
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/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Teunis van Beelen
*
* teuniz@gmail.com
*
***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
***************************************************************************
*
* This version of GPL is at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
*
***************************************************************************
*/
#include "nk2edf.h"
#if defined(__APPLE__) || defined(__MACH__) || defined(__APPLE_CC__)
#define fopeno fopen
#else
#define fseeko fseeko64
#define ftello ftello64
#define fopeno fopen64
#endif
#define ELECTRODE_TAG "[ELECTRODE]"
#define ELECTRODE_UNTAG "["
#define ELECTRODE_NAME_MAXLEN 256
#define ANNOT_TRACKSIZE 54
UI_NK2EDFwindow::UI_NK2EDFwindow(char *recent_dir)
{
char txt_string[2048];
recent_opendir = recent_dir;
myobjectDialog = new QDialog;
myobjectDialog->setMinimumSize(QSize(600, 480));
myobjectDialog->setMaximumSize(QSize(600, 480));
myobjectDialog->setWindowTitle("Nihon Kohden to EDF(+) converter");
myobjectDialog->setModal(true);
myobjectDialog->setAttribute(Qt::WA_DeleteOnClose, true);
pushButton1 = new QPushButton(myobjectDialog);
pushButton1->setGeometry(QRect(20, 430, 100, 26));
pushButton1->setText("Select File");
pushButton2 = new QPushButton(myobjectDialog);
pushButton2->setGeometry(QRect(480, 430, 100, 26));
pushButton2->setText("Close");
checkBox1 = new QCheckBox(myobjectDialog);
checkBox1->setGeometry(QRect(200, 430, 120, 26));
checkBox1->setText("Create EDF+");
checkBox1->setCheckState(Qt::Checked);
textEdit1 = new QTextEdit(myobjectDialog);
textEdit1->setGeometry(QRect(20, 20, 560, 380));
textEdit1->setFrameStyle(QFrame::Panel | QFrame::Sunken);
textEdit1->setReadOnly(true);
textEdit1->setLineWrapMode(QTextEdit::NoWrap);
sprintf(txt_string, "Nihon Kohden to EDF(+) converter.\n");
textEdit1->append(txt_string);
QObject::connect(pushButton1, SIGNAL(clicked()), this, SLOT(SelectFileButton()));
QObject::connect(pushButton2, SIGNAL(clicked()), myobjectDialog, SLOT(close()));
myobjectDialog->exec();
}
void UI_NK2EDFwindow::SelectFileButton()
{
FILE *inputfile=NULL,
*outputfile=NULL,
*logfile=NULL,
*pntfile=NULL;
int i, j, k,
error,
ctl_block_cnt,
datablock_cnt,
total_blocks,
edfplus,
n_logs=0,
n_sublogs=0,
total_logs=0,
n_logblocks=0,
ctlblock_address,
wfmblock_address,
logblock_address,
read_subevents=0;
char txt_string[2048],
path[MAX_PATH_LENGTH],
outputpath[MAX_PATH_LENGTH],
logfilepath[MAX_PATH_LENGTH],
pntfilepath[MAX_PATH_LENGTH],
*log_buf=NULL,
*sublog_buf=NULL,
scratchpad[256];
pushButton1->setEnabled(false);
edfplus = checkBox1->checkState();
total_elapsed_time = 0;
strcpy(path, QFileDialog::getOpenFileName(0, "Select inputfile", QString::fromLocal8Bit(recent_opendir), "EEG files (*.eeg *.EEG)").toLocal8Bit().data());
if(!strcmp(path, ""))
{
pushButton1->setEnabled(true);
return;
}
get_directory_from_path(recent_opendir, path, MAX_PATH_LENGTH);
inputfile = fopeno(path, "rb");
if(inputfile==NULL)
{
snprintf(txt_string, 2048, "can not open file %s for reading.\n", path);
textEdit1->append(QString::fromLocal8Bit(txt_string));
pushButton1->setEnabled(true);
return;
}
/***************** check if the EEG file is valid ******************************/
rewind(inputfile);
if(fread(scratchpad, 16, 1, inputfile)!=1)
{
textEdit1->append("error reading .eeg file.\n");
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
scratchpad[16] = 0;
if(check_device(scratchpad))
{
snprintf(txt_string, 2048, "error, deviceblock has unknown signature: \"%s\"\n", scratchpad);
textEdit1->append(txt_string);
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
fseeko(inputfile, 0x0081LL, SEEK_SET);
if(fread(scratchpad, 16, 1, inputfile)!=1)
{
textEdit1->append("error reading .eeg file.\n");
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
scratchpad[16] = 0;
if(check_device(scratchpad))
{
snprintf(txt_string, 2048, "error, controlblock has unknown signature: \"%s\"\n", scratchpad);
textEdit1->append(txt_string);
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
fseeko(inputfile, 0x17feLL, SEEK_SET);
if(fgetc(inputfile)!=0x01)
{
snprintf(txt_string, 2048, "error, waveformdatablock has wrong signature.\n");
textEdit1->append(txt_string);
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
/************************* read logs **********************************************/
if(edfplus)
{
strncpy(logfilepath, path, MAX_PATH_LENGTH);
remove_extension_from_filename(logfilepath);
strcat(logfilepath, ".LOG");
logfile = fopeno(logfilepath, "rb");
if(logfile==NULL)
{
remove_extension_from_filename(logfilepath);
strcat(logfilepath, ".log");
logfile = fopeno(logfilepath, "rb");
if(logfile==NULL)
{
snprintf(txt_string, 2048, "Can not open file %s for reading,\n"
"if there is no .log file you can try to create an EDF file instead of EDF+.\n",
logfilepath);
textEdit1->append(QString::fromLocal8Bit(txt_string));
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
}
rewind(logfile);
if(fread(scratchpad, 16, 1, logfile)!=1)
{
textEdit1->append("error reading .log file.\n");
fclose(logfile);
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
scratchpad[16] = 0;
if(check_device(scratchpad))
{
snprintf(txt_string, 2048, "error, .log file has unknown signature: \"%s\"\n", scratchpad);
textEdit1->append(QString::fromLocal8Bit(txt_string));
fclose(logfile);
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
fseeko(logfile, 0x0091LL, SEEK_SET);
n_logblocks = fgetc(logfile);
log_buf = (char *)calloc(1, n_logblocks * 11521);
if(log_buf==NULL)
{
textEdit1->append("malloc error\n");
fclose(logfile);
fclose(inputfile);
pushButton1->setEnabled(true);
return;
}
sublog_buf = (char *)calloc(1, n_logblocks * 11521);
if(sublog_buf==NULL)
{
textEdit1->append("malloc error\n");
fclose(logfile);
fclose(inputfile);
free(log_buf);
pushButton1->setEnabled(true);
return;
}
read_subevents = 1;
total_logs = 0;
for(i=0; i<n_logblocks; i++)
{
fseeko(logfile, (long long)(0x0092 + (i * 20)), SEEK_SET);
if(fread((char *)(&logblock_address), 4, 1, logfile)!=1)
{
textEdit1->append("error reading .log file.\n");
fclose(inputfile);
fclose(logfile);
free(log_buf);
free(sublog_buf);
pushButton1->setEnabled(true);
return;
}
fseeko(logfile, (long long)(logblock_address + 0x0012), SEEK_SET);
n_logs = fgetc(logfile);
fseeko(logfile, (long long)(logblock_address + 0x0014), SEEK_SET);
if(fread(log_buf + (total_logs * 45), n_logs * 45, 1, logfile)!=1)
{
textEdit1->append("error reading .log file.\n");
fclose(inputfile);
fclose(logfile);
free(log_buf);
free(sublog_buf);
pushButton1->setEnabled(true);
return;
}
if(read_subevents)
{
if(fseeko(logfile, 0x0092LL + ((i + 22) * 20) , SEEK_SET))
{
read_subevents = 0;
}
else
{
if(fread((char *)(&logblock_address), 4, 1, logfile)!=1)
{
read_subevents = 0;
}
else
{
if(fseeko(logfile, logblock_address + 0x0012LL, SEEK_SET))
{
read_subevents = 0;
}
else
{
n_sublogs = fgetc(logfile);
if(n_sublogs != n_logs)
{
read_subevents = 0;
}
else
{
if(fseeko(logfile, logblock_address + 0x0014LL, SEEK_SET))
{
read_subevents = 0;
}
else
{
if(fread(sublog_buf + (total_logs * 45), n_sublogs * 45, 1, logfile)!=1)
{
read_subevents = 0;
}
}
}
}
}
}
}
total_logs += n_logs;
}
for(i=0; i<total_logs; i++)
{
for(j=0; j<20; j++)
{
if(((unsigned char *)log_buf)[(i * 45) + j]<32) log_buf[(i * 45) + j] = ' ';
}
latin1_to_utf8(log_buf + (i * 45), 20);
if(read_subevents)
{
strncpy(log_buf + (i * 45) + 26, sublog_buf + (i * 45) + 24, 6);
}
}
/************************* check pntfile **********************************************/
strncpy(pntfilepath, path, MAX_PATH_LENGTH);
remove_extension_from_filename(logfilepath);
strcat(logfilepath, ".PNT");
pntfile = fopeno(pntfilepath, "rb");
if(pntfile==NULL)
{
remove_extension_from_filename(logfilepath);
strcat(logfilepath, ".pnt");
pntfile = fopeno(pntfilepath, "rb");
if(pntfile==NULL)
{
snprintf(txt_string, 2048, "Can not open file %s for reading,\n"
"if there is no .pnt file you can try to create an EDF file instead of EDF+.\n",
pntfilepath);
textEdit1->append(QString::fromLocal8Bit(txt_string));
fclose(logfile);
fclose(inputfile);
free(log_buf);
free(sublog_buf);
pushButton1->setEnabled(true);
return;
}
}
rewind(pntfile);
if(fread(scratchpad, 16, 1, pntfile)!=1)
{
textEdit1->append("error reading .pnt file.\n");
fclose(pntfile);
fclose(logfile);
fclose(inputfile);
free(log_buf);
free(sublog_buf);
pushButton1->setEnabled(true);
return;
}
scratchpad[16] = 0;
if(check_device(scratchpad))
{
snprintf(txt_string, 2048, "error, .pnt file has unknown signature: \"%s\"\n", scratchpad);
textEdit1->append(QString::fromLocal8Bit(txt_string));
fclose(pntfile);
fclose(logfile);
fclose(inputfile);
free(log_buf);
free(sublog_buf);
pushButton1->setEnabled(true);
return;
}
}
/***************** initialize labels **************************************/
for(i=0; i<256; i++)
{
strcpy(labels[i], "- ");
}
strcpy(labels[0], "EEG FP1 ");
strcpy(labels[1], "EEG FP2 ");
strcpy(labels[2], "EEG F3 ");
strcpy(labels[3], "EEG F4 ");
strcpy(labels[4], "EEG C3 ");
strcpy(labels[5], "EEG C4 ");
strcpy(labels[6], "EEG P3 ");
strcpy(labels[7], "EEG P4 ");
strcpy(labels[8], "EEG O1 ");
strcpy(labels[9], "EEG O2 ");
strcpy(labels[10], "EEG F7 ");
strcpy(labels[11], "EEG F8 ");
strcpy(labels[12], "EEG T3 ");
strcpy(labels[13], "EEG T4 ");
strcpy(labels[14], "EEG T5 ");
strcpy(labels[15], "EEG T6 ");
strcpy(labels[16], "EEG FZ ");
strcpy(labels[17], "EEG CZ ");
strcpy(labels[18], "EEG PZ ");
strcpy(labels[19], "EEG E ");
strcpy(labels[20], "EEG PG1 ");
strcpy(labels[21], "EEG PG2 ");
strcpy(labels[22], "EEG A1 ");
strcpy(labels[23], "EEG A2 ");
strcpy(labels[24], "EEG T1 ");
strcpy(labels[25], "EEG T2 ");
for(i=26; i<35; i++)
{
sprintf(labels[i], "EEG X%i ", i - 25);
}
strcpy(labels[35], "EEG X10 ");
strcpy(labels[36], "EEG X11 ");
for(i=42; i<74; i++)
{
sprintf(labels[i], "DC%02i ", i - 41);
}
strcpy(labels[74], "EEG BN1 ");
strcpy(labels[75], "EEG BN2 ");
strcpy(labels[76], "EEG Mark1 ");
strcpy(labels[77], "EEG Mark2 ");
strcpy(labels[100], "EEG X12/BP1 ");
strcpy(labels[101], "EEG X13/BP2 ");
strcpy(labels[102], "EEG X14/BP3 ");
strcpy(labels[103], "EEG X15/BP4 ");
for(i=104; i<188; i++)
{
sprintf(labels[i], "EEG X%i ", i - 88);
}
for(i=188; i<254; i++)
{
sprintf(labels[i], "EEG X%i ", i - 88);
}
strcpy(labels[255], "Z ");
if(read_21e_file(path))
{
textEdit1->append("Can not open *.21e file, converter will use default electrode names.");
}
/***************** start conversion **************************************/
total_blocks = 0;
fseeko(inputfile, 0x0091LL, SEEK_SET);
ctl_block_cnt = fgetc(inputfile);
if(ctl_block_cnt==EOF)
{
textEdit1->append("error reading inputfile.\n");
pushButton1->setEnabled(true);
fclose(inputfile);
if(edfplus)
{
fclose(logfile);
free(log_buf);
free(sublog_buf);
fclose(pntfile);
}
return;
}
for(i=0; i<ctl_block_cnt; i++)
{
fseeko(inputfile, (long long)(0x0092 + (i * 20)), SEEK_SET);
if(fread((char *)(&ctlblock_address), 4, 1, inputfile)!=1)
{
textEdit1->append("error reading inputfile.\n");
pushButton1->setEnabled(true);
fclose(inputfile);
if(edfplus)
{
fclose(logfile);
free(log_buf);
free(sublog_buf);
fclose(pntfile);
}
return;
}
fseeko(inputfile, (long long)(ctlblock_address + 17), SEEK_SET);
datablock_cnt = fgetc(inputfile);
if(datablock_cnt==EOF)
{
textEdit1->append("error reading inputfile.\n");
pushButton1->setEnabled(true);
fclose(inputfile);
if(edfplus)
{
fclose(logfile);
free(log_buf);
free(sublog_buf);
fclose(pntfile);
}
return;
}
for(j=0; j<datablock_cnt; j++)
{
fseeko(inputfile, (long long)(ctlblock_address + (j * 20) + 18), SEEK_SET);
if(fread((char *)(&wfmblock_address), 4, 1, inputfile)!=1)
{
textEdit1->append("error reading inputfile.\n");
pushButton1->setEnabled(true);
fclose(inputfile);
if(edfplus)
{
fclose(logfile);
free(log_buf);
free(sublog_buf);
fclose(pntfile);
}
return;
}
/********************************************************************/
strcpy(outputpath, path);
if(edfplus) sprintf(outputpath + strlen(path) - 4, "_%u-%u+.edf", i + 1, j + 1);
else sprintf(outputpath + strlen(path) - 4, "_%u-%u.edf", i + 1, j + 1);
outputfile = fopeno(outputpath, "wb");
if(outputfile==NULL)
{
snprintf(txt_string, 2048, "can not open file %s for writing.\n", outputpath);
textEdit1->append(QString::fromLocal8Bit(txt_string));
pushButton1->setEnabled(true);
fclose(inputfile);
if(edfplus)
{
fclose(logfile);
free(log_buf);
free(sublog_buf);
fclose(pntfile);
}
return;
}
textEdit1->append("Converting a waveform datablock...");
for(k=0; k<10; k++) qApp->processEvents();
error = convert_nk2edf(inputfile, outputfile, pntfile, wfmblock_address, edfplus, total_logs, log_buf, read_subevents);
if(error==0)
{
snprintf(txt_string, 2048, "to %s", outputpath);
textEdit1->append(txt_string);
}
if(error==1) textEdit1->append("malloc error.\n");
if(error==2) textEdit1->append("read error during conversion.\n");
if(error==3) textEdit1->append("write error during conversion.\n");
if(error==4) textEdit1->append("format error.\n");
if(fclose(outputfile))
{
textEdit1->append("error closing outputfile.\n");
pushButton1->setEnabled(true);
fclose(inputfile);
if(edfplus)
{
fclose(logfile);
fclose(pntfile);
free(log_buf);
free(sublog_buf);
}
return;
}
if(error)
{
if(edfplus)
{
fclose(logfile);
fclose(pntfile);
free(log_buf);
free(sublog_buf);
}
pushButton1->setEnabled(true);
return;
}
total_blocks++;
/**************************************************************/
}
}
if(fclose(inputfile)) textEdit1->append("error closing inputfile.\n");
if(edfplus)
{
if(fclose(logfile)) textEdit1->append("error closing .log file.\n");
if(fclose(pntfile)) textEdit1->append("error closing .pnt file.\n");
free(log_buf);
free(sublog_buf);
}
if(edfplus) snprintf(txt_string, 2048, "Converted %u waveformblock(s) successfully to EDF+.\n", total_blocks);
else snprintf(txt_string, 2048, "Converted %u waveformblock(s) successfully to EDF.\n", total_blocks);
textEdit1->append(txt_string);
pushButton1->setEnabled(true);
}
int UI_NK2EDFwindow::convert_nk2edf(FILE *inputfile, FILE *outputfile, FILE *pntfile, int offset, int edfplus, int n_logs, char *log_buf, int read_subevents)
{
int i, j, k, p,
temp,
channels,
samplefrequency,
record_duration,
raster,
record_size,
max_buf_records,
bufsize,
records_in_buf,
seconds,
deci_seconds,
left_records,
elapsed_time,
error,
records_written,
progress_steps,
n_log_processed;
char *buf,
*annotations,
scratchpad[48];
/************************* filter events ******************************************/
for(i=0; i<n_logs; i++)
{
elapsed_time = 36000 * (log_buf[(i * 45) + 20] - 48);
elapsed_time += 3600 * (log_buf[(i * 45) + 21] - 48);
elapsed_time += 600 * (log_buf[(i * 45) + 22] - 48);
elapsed_time += 60 * (log_buf[(i * 45) + 23] - 48);
elapsed_time += 10 * (log_buf[(i * 45) + 24] - 48);
elapsed_time += log_buf[(i * 45) + 25] - 48;
if(elapsed_time>=total_elapsed_time) break;
}
log_buf += i * 45;
n_logs -= i;
/************************* write EDF-header ***************************************/
rewind(outputfile);
fprintf(outputfile, "0 ");
if(edfplus)
{
error = 0;
fseeko(pntfile, 0x0604LL, SEEK_SET);
if(fread(scratchpad, 10, 1, pntfile)!=1)
{
return(2);
}
scratchpad[10] = 0;
latin1_to_ascii(scratchpad, strlen(scratchpad));
for(i=0; i<10; i++)
{
if(scratchpad[i]==0) break;
if(scratchpad[i]==' ') scratchpad[i] = '_';
}
if(i)
{
p = i;
if(fwrite(scratchpad, i, 1, outputfile)!=1)
{
return(3);
}
}
else
{
fputc('X', outputfile);
p = 1;
}
fputc(' ', outputfile);
p++;
fseeko(pntfile, 0x064aLL, SEEK_SET);
if(fread(scratchpad, 6, 1, pntfile)!=1)
{
return(2);
}
if(!strncmp(scratchpad, "Male", 4)) fputc('M', outputfile);
else
{
if(!strncmp(scratchpad, "Female", 6)) fputc('F', outputfile);
else fputc('X', outputfile);
}
p++;
fputc(' ', outputfile);
p++;
fseeko(pntfile, 0x0668LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}
scratchpad[2] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>31)) error = 1;
for(i=0; i<2; i++)
{
if((scratchpad[i]<'0')||(scratchpad[i]>'9'))
{
error = 1;
break;
}
}
fseeko(pntfile, 0x0665LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}
scratchpad[2] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>12)) error = 1;
fseeko(pntfile, 0x0660LL, SEEK_SET);
if(fread(scratchpad, 4, 1, pntfile)!=1)
{
return(2);
}
scratchpad[4] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>9999)) error = 1;
for(i=0; i<4; i++)
{
if((scratchpad[i]<'0')||(scratchpad[i]>'9'))
{
error = 1;
break;
}
}
if(error)
{
fputc('X', outputfile);
p++;
}
else
{
fseeko(pntfile, 0x0668LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}
scratchpad[2] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>31))
{
snprintf(scratchpad, 48, "01");
error = 1;
}
for(i=0; i<2; i++)
{
if((scratchpad[i]<'0')||(scratchpad[i]>'9'))
{
snprintf(scratchpad, 48, "01");
error = 1;
break;
}
}
if(fwrite(scratchpad, 2, 1, outputfile)!=1)
{
return(3);
}
p += 2;
fputc('-', outputfile);
p++;
fseeko(pntfile, 0x0665LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}
scratchpad[2] = 0;
temp = atoi(scratchpad);
switch(temp)
{
case 1 : strcpy(scratchpad, "JAN");
break;
case 2 : strcpy(scratchpad, "FEB");
break;
case 3 : strcpy(scratchpad, "MAR");
break;
case 4 : strcpy(scratchpad, "APR");
break;
case 5 : strcpy(scratchpad, "MAY");
break;
case 6 : strcpy(scratchpad, "JUN");
break;
case 7 : strcpy(scratchpad, "JUL");
break;
case 8 : strcpy(scratchpad, "AUG");
break;
case 9 : strcpy(scratchpad, "SEP");
break;
case 10 : strcpy(scratchpad, "OCT");
break;
case 11 : strcpy(scratchpad, "NOV");
break;
case 12 : strcpy(scratchpad, "DEC");
break;
default : strcpy(scratchpad, "JAN");
error = 1;
break;
}
if(fwrite(scratchpad, 3, 1, outputfile)!=1)
{
return(3);
}
p += 3;
fputc('-', outputfile);
p++;
fseeko(pntfile, 0x0660LL, SEEK_SET);
if(fread(scratchpad, 4, 1, pntfile)!=1)
{
return(2);
}
scratchpad[4] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>9999))
{
snprintf(scratchpad, 48, "1800");
error = 1;
}
for(i=0; i<4; i++)
{
if((scratchpad[i]<'0')||(scratchpad[i]>'9'))
{
snprintf(scratchpad, 48, "1800");
error = 1;
break;
}
}
if(fwrite(scratchpad, 4, 1, outputfile)!=1)
{
return(3);
}
p += 4;
}
fputc(' ', outputfile);
p++;
fseeko(pntfile, 0x062eLL, SEEK_SET);
if(fread(scratchpad, 20, 1, pntfile)!=1)
{
return(2);
}
scratchpad[20] = 0;
latin1_to_ascii(scratchpad, strlen(scratchpad));
for(i=0; i<20; i++)
{
if(scratchpad[i]==0) break;
if(scratchpad[i]==' ') scratchpad[i] = '_';
}
if(i)
{
p += i;
if(fwrite(scratchpad, i, 1, outputfile)!=1)
{
return(3);
}
}
else
{
fputc('X', outputfile);
p++;
}
for(i=0; i<80-p; i++) fputc(' ', outputfile);
if(fwrite("Startdate ", 10, 1, outputfile)!=1)
{
return(3);
}
p = 10;
error = 0;
fseeko(pntfile, 0x0046LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}
scratchpad[2] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>31)) error = 1;
for(i=0; i<2; i++)
{
if((scratchpad[i]<'0')||(scratchpad[i]>'9'))
{
error = 1;
break;
}
}
fseeko(pntfile, 0x0044LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}
scratchpad[2] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>12)) error = 1;
fseeko(pntfile, 0x0040LL, SEEK_SET);
if(fread(scratchpad, 4, 1, pntfile)!=1)
{
return(2);
}
scratchpad[4] = 0;
temp = atoi(scratchpad);
if((temp<1970)||(temp>9999)) error = 1;
for(i=0; i<4; i++)
{
if((scratchpad[i]<'0')||(scratchpad[i]>'9'))
{
error = 1;
break;
}
}
if(error)
{
fputc('X', outputfile);
p++;
}
else
{
fseeko(pntfile, 0x0046LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}
scratchpad[2] = 0;
temp = atoi(scratchpad);
if((temp<1)||(temp>31)) snprintf(scratchpad, 48, "01");
for(i=0; i<2; i++)
{
if((scratchpad[i]<'0')||(scratchpad[i]>'9'))
{
snprintf(scratchpad, 48, "01");
break;
}
}
if(fwrite(scratchpad, 2, 1, outputfile)!=1)
{
return(3);
}
fputc('-', outputfile);
fseeko(pntfile, 0x0044LL, SEEK_SET);
if(fread(scratchpad, 2, 1, pntfile)!=1)
{
return(2);
}