diff options
| -rw-r--r-- | libbb/copyfd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libbb/copyfd.c b/libbb/copyfd.c index 62ada8e..1ef994c 100644 --- a/libbb/copyfd.c +++ b/libbb/copyfd.c @@ -78,7 +78,10 @@ extern size_t bb_full_fd_action(int src_fd, int dst_fd, const size_t size, ssize extern int bb_copyfd_size(int fd1, int fd2, const off_t size) { - return(bb_full_fd_action(fd1, fd2, size, bb_full_write)); + if (size) { + return(bb_full_fd_action(fd1, fd2, size, bb_full_write)); + } + return(0); } extern int bb_copyfd_eof(int fd1, int fd2) |