1 /* ISC license. */
2 
3 #include <unistd.h>
4 #include <errno.h>
5 #include <skalibs/djbunix.h>
6 
fd_move(int to,int from)7 int fd_move (int to, int from)
8 {
9   int r ;
10   if (to == from) return 0 ;
11   do
12     r = dup2(from, to) ;
13   while ((r == -1) && (errno == EINTR)) ;
14   if (r < 0) return r ;
15   fd_close(from) ;
16   return 0 ;
17 }
18