1 files changed, 52 insertions, 0 deletions
diff --git a/utilities/lexdump.c b/utilities/lexdump.c
new file mode 100644
index 0000000..25ff5d7
--- /dev/null
+++ b/utilities/lexdump.c
@@ -0,0 +1,52 @@
+#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, S_IREAD|S_IWRITE|S_IRGRP|S_IROTH);
+	sprintf(tmpbuf, "%s.dat", argv[1]);
+	datfd = open(tmpbuf, O_RDONLY|O_BINARY, S_IREAD|S_IWRITE|S_IRGRP|S_IROTH);
+	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;
+
+}