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authorSebastian Huber <sebastian.huber@embedded-brains.de>2016-10-07 15:10:20 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-01-10 09:53:31 +0100
commitc40e45b75eb76d79a05c7fa85c1fa9b5c728a12f (patch)
treead4f2519067709f00ab98b3c591186c26dc3a21f /freebsd/sys/net/bpf_filter.c
parentuserspace-header-gen.py: Simplify program ports (diff)
downloadrtems-libbsd-c40e45b75eb76d79a05c7fa85c1fa9b5c728a12f.tar.bz2
Update to FreeBSD head 2016-08-23
Git mirror commit 9fe7c416e6abb28b1398fd3e5687099846800cfd.
Diffstat (limited to 'freebsd/sys/net/bpf_filter.c')
-rw-r--r--freebsd/sys/net/bpf_filter.c11
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]);