diff options
Diffstat (limited to 'freebsd/sys/net/bpf_filter.c')
| -rw-r--r-- | freebsd/sys/net/bpf_filter.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/freebsd/sys/net/bpf_filter.c b/freebsd/sys/net/bpf_filter.c index a313f4bd..941fa290 100644 --- a/freebsd/sys/net/bpf_filter.c +++ b/freebsd/sys/net/bpf_filter.c @@ -41,6 +41,9 @@ __FBSDID("$FreeBSD$"); #include <rtems/bsd/sys/param.h> +#if !defined(_KERNEL) +#include <strings.h> +#endif #if !defined(_KERNEL) || defined(sun) #include <netinet/in.h> #endif @@ -98,7 +101,7 @@ m_xword(struct mbuf *m, bpf_u_int32 k, int *err) while (k >= len) { k -= len; m = m->m_next; - if (m == 0) + if (m == NULL) goto bad; len = m->m_len; } @@ -108,7 +111,7 @@ m_xword(struct mbuf *m, bpf_u_int32 k, int *err) return (EXTRACT_LONG(cp)); } m0 = m->m_next; - if (m0 == 0 || m0->m_len + len - k < 4) + if (m0 == NULL || m0->m_len + len - k < 4) goto bad; *err = 0; np = mtod(m0, u_char *); @@ -147,7 +150,7 @@ m_xhalf(struct mbuf *m, bpf_u_int32 k, int *err) while (k >= len) { k -= len; m = m->m_next; - if (m == 0) + if (m == NULL) goto bad; len = m->m_len; } @@ -157,7 +160,7 @@ m_xhalf(struct mbuf *m, bpf_u_int32 k, int *err) return (EXTRACT_SHORT(cp)); } m0 = m->m_next; - if (m0 == 0) + if (m0 == NULL) goto bad; *err = 0; return ((cp[0] << 8) | mtod(m0, u_char *)[0]); |