2 files changed, 13 insertions, 0 deletions

diff --git a/lib/libarchive/archive_string.h b/lib/libarchive/archive_string.h
index b9b5352cd6444..271eae3379c11 100644
--- a/lib/libarchive/archive_string.h
+++ b/lib/libarchive/archive_string.h
@@ -116,4 +116,7 @@ void	__archive_string_vsprintf(struct archive_string *, const char *,
 	    va_list);
 #define	archive_string_vsprintf	__archive_string_vsprintf
 
+void	__archive_string_sprintf(struct archive_string *, const char *, ...);
+#define	archive_string_sprintf	__archive_string_sprintf
+
 #endif
diff --git a/lib/libarchive/archive_string_sprintf.c b/lib/libarchive/archive_string_sprintf.c
index 4401e9a12773b..44b116eac0af4 100644
--- a/lib/libarchive/archive_string_sprintf.c
+++ b/lib/libarchive/archive_string_sprintf.c
@@ -44,6 +44,16 @@ __FBSDID("$FreeBSD$");
 #include "archive_string.h"
 #include "archive_private.h"
 
+void
+__archive_string_sprintf(struct archive_string *as, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	archive_string_vsprintf(as, fmt, ap);
+	va_end(ap);
+}
+
 /*
  * Like 'vsprintf', but ensures the target is big enough, resizing if
  * necessary.