diff options
Diffstat (limited to 'ucspi-tcp-0.88/fd_copy.c')
-rw-r--r-- | ucspi-tcp-0.88/fd_copy.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/ucspi-tcp-0.88/fd_copy.c b/ucspi-tcp-0.88/fd_copy.c new file mode 100644 index 0000000..aa5e55e --- /dev/null +++ b/ucspi-tcp-0.88/fd_copy.c @@ -0,0 +1,11 @@ +#include <fcntl.h> +#include "fd.h" + +int fd_copy(int to,int from) +{ + if (to == from) return 0; + if (fcntl(from,F_GETFL,0) == -1) return -1; + close(to); + if (fcntl(from,F_DUPFD,to) == -1) return -1; + return 0; +} |