diff options
Diffstat (limited to 'fd_copy.c')
-rw-r--r-- | fd_copy.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fd_copy.c b/fd_copy.c new file mode 100644 index 0000000..b9f7167 --- /dev/null +++ b/fd_copy.c @@ -0,0 +1,13 @@ +#include <fcntl.h> +#include "fd.h" + +int fd_copy(to,from) +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; +} |