On 16.6.2014 17:21, Peter Krempa wrote: > The value is provided via environment and causes a crash if not defined. > --- > src/network/leaseshelper.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/src/network/leaseshelper.c b/src/network/leaseshelper.c > index bf1842b..99c47a9 100644 > --- a/src/network/leaseshelper.c > +++ b/src/network/leaseshelper.c > @@ -181,7 +181,8 @@ main(int argc, char **argv) > goto cleanup; > > /* Removed extraneous trailing space in DNSMASQ_LEASE_EXPIRES (dnsmasq < > 2.52) */ > - if (exptime[strlen(exptime) - 1] == ' ') > + if (exptime && > + exptime[strlen(exptime) - 1] == ' ') > exptime[strlen(exptime) - 1] = '\0'; > > /* Check if it is an IPv6 lease */ >
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