2 files changed, 5 insertions, 2 deletions
diff --git a/pif.c b/pif.c
index 1e80724..d5e3161 100644
--- a/pif.c
+++ b/pif.c
@@ -17,7 +17,7 @@
 #include "inany.h"
 #include "epoll_ctl.h"
 
-const char *pif_type_str[] = {
+const char pif_type_str[][PIF_NAME_SIZE] = {
 	[PIF_NONE]		= "<none>",
 	[PIF_HOST]		= "HOST",
 	[PIF_TAP]		= "TAP",
diff --git a/pif.h b/pif.h
index 7bb58e5..553c742 100644
--- a/pif.h
+++ b/pif.h
@@ -35,7 +35,9 @@ enum pif_type {
 	PIF_NUM_TYPES,
 };
 
-extern const char *pif_type_str[];
+/* Maximum size of a pif name, including \0 */
+#define	PIF_NAME_SIZE	(128)
+extern const char pif_type_str[][PIF_NAME_SIZE];
 
 static inline const char *pif_type(enum pif_type pt)
 {
@@ -43,6 +45,7 @@ static inline const char *pif_type(enum pif_type pt)
 		return pif_type_str[pt];
 	else
 		return "?";
+	static_assert(sizeof("?") <= PIF_NAME_SIZE);
 }
 
 static inline const char *pif_name(uint8_t pif)