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/******************************************************************************
*
* lexdump.c - This utility outputs a specified ordinal entry from a lex
*
* $Id: lexdump.c 2833 2013-06-29 06:40:28Z chrislit $
*
* Copyright 1999-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* 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.
*
* 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.
*
*/
#ifdef _MSC_VER
#pragma warning( disable: 4996 )
#endif
#include <ctype.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#ifndef __GNUC__
#include <io.h>
#else
#include <unistd.h>
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
int main(int argc, char **argv) {
char *tmpbuf;
int idxfd, datfd;
long offset;
unsigned int size;
char datbuf[255];
if (argc != 3) {
fprintf(stderr, "usage: %s <datapath/datafilebasename> <index>\n", argv[0]);
exit(1);
}
tmpbuf = calloc(strlen(argv[1]) + 11,1);
sprintf(tmpbuf, "%s.idx", argv[1]);
idxfd = open(tmpbuf, O_RDONLY|O_BINARY);
sprintf(tmpbuf, "%s.dat", argv[1]);
datfd = open(tmpbuf, O_RDONLY|O_BINARY);
free(tmpbuf);
offset = atoi(argv[2]) * 6;
lseek(idxfd, offset, SEEK_SET);
read(idxfd, &offset, 4);
read(idxfd, &size, 2);
printf("offset: %ld; size: %d\n", offset, size);
lseek(datfd, offset, SEEK_SET);
read(datfd, datbuf, 40);
datbuf[40] = 0;
printf("%s\n", datbuf);
close(datfd);
close(idxfd);
return 0;
}
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