untar in progress

bin/untar.c

@@ -6,6 +6,8 @@
 int main (int argc, char* argv[])
 {
 	hio_t* hio;
+	hio_tar_t* untar;
+	FILE* fp;
 
 	if (argc != 2)
 	{
@@ -20,8 +22,43 @@ int main (int argc, char* argv[])
 		return -1;
 	}
 
-	hio_extract_tar(hio, argv[1]);
+	untar = hio_tar_open(hio, 0);
+	if (!untar)
+	{
+		fprintf (stderr, "Error: unable to open untar\n");
+		hio_close (hio);
+		return -1;
+	}
 
+	fp = fopen(argv[1], "r");
+	if (!fp)
+	{
+		fprintf (stderr, "Error: unable to open file %s\n", argv[1]);
+		hio_tar_close (hio);
+		hio_close (hio);
+		return -1;
+	}
+
+	//hio_extract_tar(hio, argv[1]);
+	while (!feof(fp) && !ferror(fp))
+	{
+		int n;
+		char buf[99]; /* TODO: use a different buffer size???*/
+		n = fread(buf, 1, sizeof(buf), fp);
+		if (n > 0) 
+		{
+			if (hio_tar_feed(untar, buf, n) <= -1)
+			{
+				fprintf (stderr, "Error: untar error - %s\n", hio_geterrbmsg(hio));
+				break;
+			}
+		}
+	}
+
+	hio_tar_feed (untar, HIO_NULL, 0); /* indicate the end of input */
+
+	fclose (fp);
+	hio_tar_close (hio);
 	hio_close (hio);
 	return 0;
 }