--- embedtools/src/imgupd.c	2014/02/06 01:23:56	1.6.2.4
+++ embedtools/src/imgupd.c	2014/02/06 09:19:51	1.6.2.5
@@ -3,7 +3,7 @@
  *  by Michael Pounov <misho@aitbg.com>
  *
  * $Author: misho $
- * $Id: imgupd.c,v 1.6.2.4 2014/02/06 01:23:56 misho Exp $
+ * $Id: imgupd.c,v 1.6.2.5 2014/02/06 09:19:51 misho Exp $
  *
  *************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -109,22 +109,24 @@ static int
 FillStore(int img, int fd)
 {
 	register int i, j;
-	u_char buf[bufSize];
-	ssize_t rlen, wlen;
+	u_char *pos, buf[bufSize];
+	ssize_t rlen, wlen, len;
 
 	VERB(1) printf("Fill store %s from image file %s\n", imgName, imgFile);
 
 	for (j = 0, i = howmany(iSize, bufSize); i < howmany(imgSize, bufSize); 
 			i++, j++) {
 		memset(buf, 0, sizeof buf);
-		rlen = read(fd, buf, bufSize);
-		if (rlen == -1) {
-			ESYSERR(0);
-			return -1;
-		} else if (!rlen)
-			break;
-		else
-			VERB(1) printf("+Readed %d bytes for chunk #%d\n", rlen, j);
+		for (len = bufSize, pos = buf; len > 0; len -= rlen, pos += rlen) {
+			rlen = read(fd, pos, len);
+			if (rlen == -1) {
+				ESYSERR(0);
+				return -1;
+			} else if (!rlen)
+				break;
+			else
+				VERB(1) printf("+Readed %d bytes for chunk #%d\n", rlen, j);
+		}
 
 		wlen = write(img, buf, bufSize);
 		if (wlen == -1) {