--- yencode-0.4.6.orig/src/yencode.c.bak	2002-03-18 19:20:06.000000000 +0200
+++ yencode-0.4.6.orig/src/yencode.c	2008-10-07 23:43:32.016803846 +0300
@@ -412,7 +412,8 @@ yencode_file(YENCFILE *f, FILE *in, size
 		}
 
 		/* Close this file */
-		fclose(out);
+		if (fflush(out)) f->ok = 0;
+		if (fclose(out)) f->ok = 0;
 
 		output_summary(f->input_filename, outfile, part, totalparts, decpart, encpart + headers);
 
@@ -424,6 +425,7 @@ yencode_file(YENCFILE *f, FILE *in, size
 	if (opt_multipart_size)
 	{
 		CRC_FINISH(crc32);
+		int writeok = 1;
 
 		for (p = 1; p <= part; p++)
 		{
@@ -434,10 +436,11 @@ yencode_file(YENCFILE *f, FILE *in, size
 				fprintf(out, " crc32=%08X\r\n", crc32);
 			else
 				fprintf(out, "\r\n");
-			fclose(out);
+			if (fflush(out)) writeok = 0;
+			if (fclose(out)) writeok = 0;
 		}
 
-		f->ok = 1;
+		f->ok = writeok;
 		f->crc = crc32;
 	}
 	return (f->ok);
--- yencode-0.4.6.orig/src/ydecode.c.bak	2002-03-16 07:29:14.000000000 +0200
+++ yencode-0.4.6.orig/src/ydecode.c	2008-10-07 23:52:40.631804821 +0300
@@ -520,8 +520,10 @@ ydecode_data(YDECFILE *y, FILE *in, FILE
 		ErrERR("%s", y->output_filename);
 	if (ferror(in))
 		ErrERR("%s", y->input_filename);
-	if (out && ferror(out))
-		ErrERR("%s", y->output_filename);
+   if (out) {
+	   if (fflush(out) || ferror(out))
+			ErrERR("%s", y->output_filename);
+	}
 
 	return (0);
 }
@@ -562,8 +564,9 @@ ydecode_single(YDECFILE *y)
 
 	/* Clean up */
 	fclose(in);
-	if (out)
-		fclose(out);
+	if (out) {
+		if (fclose(out)) errors++;
+	}
 
 	/* Check for errors */
 	if (y->header->size && (*y->header->size != decodedsize))