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authorJohn Denker <jsd@av8n.com>2012-06-02 01:58:45 (GMT)
committerJohn Denker <jsd@av8n.com>2012-06-02 01:58:45 (GMT)
commitb732a73bc773789894466b0e5320b2f1fe42c7e9 (patch)
tree385358983f064a1f10a5080b33a3ba13010886db /fd_copy.c
parent634d365a03cb0581a062cd3cf4db9ae69f1cde26 (diff)
original, as downloaded from http://www.qmail.org/netqmail-1.06.tar.gz
Diffstat (limited to 'fd_copy.c')
-rw-r--r--fd_copy.c13
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;
+}