From 6c79a11ba0477a38e63093583a634547fa23eddb Mon Sep 17 00:00:00 2001 From: legoater Date: Wed, 19 Nov 2008 11:05:42 +0000 Subject: [PATCH] fixed readlink to add an ending '\0' From: Cedric Le Goater fixed readlink to add an ending '\0' Signed-off-by: Cedric Le Goater --- src/lxc/start.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/lxc/start.c b/src/lxc/start.c index f0bcb3658..26938efa9 100644 --- a/src/lxc/start.c +++ b/src/lxc/start.c @@ -53,6 +53,7 @@ int lxc_start(const char *name, char *argv[]) int fd, lock, sv[2], sync = 0, err = -LXC_ERROR_INTERNAL; pid_t pid; int clone_flags; + ssize_t n; lock = lxc_get_lock(name); if (lock < 0) { @@ -69,10 +70,12 @@ int lxc_start(const char *name, char *argv[]) goto out; } - if (readlink("/proc/self/fd/0", ttyname, sizeof(ttyname)) < 0) { + n = readlink("/proc/self/fd/0", ttyname, sizeof(ttyname)); + if (n < 0) { lxc_log_syserror("failed to read '/proc/self/fd/0'"); goto out; } + ttyname[n] = '\0'; /* Synchro socketpair */ if (socketpair(AF_LOCAL, SOCK_STREAM, 0, sv)) {