janitor: add guards to headers

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

3 files changed, 12 insertions, 0 deletions

diff --git a/bootp.h b/bootp.h
index df9cf51..787389e 100644
--- a/bootp.h
+++ b/bootp.h
@@ -1,4 +1,6 @@
 /* bootp/dhcp defines */
+#ifndef SLIRP_BOOTP_H
+#define SLIRP_BOOTP_H 1
 
 #define BOOTP_SERVER 67
 #define BOOTP_CLIENT 68
@@ -120,3 +122,5 @@ typedef struct {
 #define NB_BOOTP_CLIENTS 16
 
 void bootp_input(struct mbuf *m);
+
+#endif
diff --git a/main.h b/main.h
index a900c95..b1f94c6 100644
--- a/main.h
+++ b/main.h
@@ -4,6 +4,8 @@
  * Please read the file COPYRIGHT for the
  * terms and conditions of the copyright.
  */
+#ifndef SLIRP_MAIN_H
+#define SLIRP_MAIN_H 1
 
 #ifdef HAVE_SYS_SELECT_H
 #include <sys/select.h>
@@ -45,3 +47,5 @@ extern int tcp_keepintvl;
 
 int if_encap(Slirp *slirp, struct mbuf *ifm);
 ssize_t slirp_send(struct socket *so, const void *buf, size_t len, int flags);
+
+#endif
diff --git a/tftp.h b/tftp.h
index c19b159..d191e61 100644
--- a/tftp.h
+++ b/tftp.h
@@ -1,4 +1,6 @@
 /* tftp defines */
+#ifndef SLIRP_TFTP_H
+#define SLIRP_TFTP_H 1
 
 #define TFTP_SESSIONS_MAX 3
 
@@ -43,3 +45,5 @@ struct tftp_session {
 };
 
 void tftp_input(struct mbuf *m);
+
+#endif