diff options
Diffstat (limited to 'usr.bin/ssh/check-fds.c')
-rw-r--r-- | usr.bin/ssh/check-fds.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/usr.bin/ssh/check-fds.c b/usr.bin/ssh/check-fds.c new file mode 100644 index 00000000000..20e8bf5c1b3 --- /dev/null +++ b/usr.bin/ssh/check-fds.c @@ -0,0 +1,43 @@ +/* + +check-fds.c + +Author: Tatu Ylonen <ylo@cs.hut.fi> + +Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + All rights reserved + +Created: Sat Apr 8 00:25:04 1995 ylo + +*/ + +#include <stdio.h> +RCSID("$Id: check-fds.c,v 1.1 1999/09/26 20:53:34 deraadt Exp $"); + +#include <sys/types.h> +#include <fcntl.h> +#include <sys/stat.h> + +int main(int ac, char **av) +{ + int i, dummy; + struct stat st; + + for (i = 0; i < 1024; i++) + if (fcntl(i, F_GETFL, &dummy) >= 0) + { + printf("Descriptor %d is open.\n", i); + if (fstat(i, &st) < 0) + perror("fstat"); + else + { + printf("st_mode 0x%x, st_dev 0x%x, st_rdev 0x%x, st_ino 0x%x, st_size 0x%lx\n", + st.st_mode, st.st_dev, st.st_rdev, st.st_ino, + (long)st.st_size); + if (ttyname(i)) + printf("ttyname: %.100s\n", ttyname(i)); + } + } + exit(0); +} + |