[qmail] / fd_copy.c

#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;
}
Commit	Line	Data
2117e02e MW	1	#include <fcntl.h>
	2	#include "fd.h"
	3
	4	int fd_copy(to,from)
	5	int to;
	6	int from;
	7	{
	8	if (to == from) return 0;
	9	if (fcntl(from,F_GETFL,0) == -1) return -1;
	10	close(to);
	11	if (fcntl(from,F_DUPFD,to) == -1) return -1;
	12	return 0;
	13	}