split: handle - as "use stdin". +13 bytes. Closes bug 741.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/coreutils/split.c b/coreutils/split.c
index 2191f30ea..c2f388501 100644
--- a/coreutils/split.c
+++ b/coreutils/split.c
@@ -79,9 +79,13 @@ int split_main(int argc UNUSED_PARAM, char **argv)
 
         argv += optind;
         if (argv[0]) {
+                int fd;
                 if (argv[1])
                         sfx = argv[1];
-                xmove_fd(xopen(argv[0], O_RDONLY), 0);
+                fd = open_or_warn_stdin(argv[0]);
+                if (fd == -1)
+                        return EXIT_FAILURE;
+                xmove_fd(fd, STDIN_FILENO);
         } else {
                 argv[0] = (char *) bb_msg_standard_input;
         }