minor fix to write_data() for EOF handling

diff --git a/source/lib/util.c b/source/lib/util.c
index 8c221a23b6c8a82416e5c343c4642cf204fc1984..6a4861981d44e65e888bc1b979265f112538a020 100644 (file)
--- a/source/lib/util.c
+++ b/source/lib/util.c
@@ -1872,8 +1872,8 @@ int write_data(int fd,char *buffer,int N)
     {
       ret = write(fd,buffer + total,N - total);
 
-      if (ret <= 0)
-       return total;
+      if (ret == -1) return -1;
+      if (ret == 0) return total;
 
       total += ret;
     }