From a498a4fe058ffa0f69992f6684c3303cf0b86cb0 Mon Sep 17 00:00:00 2001
From: Alexander Barton <alex@barton.de>
Date: Thu, 21 Sep 2017 00:51:03 +0200
Subject: [PATCH] Make vsnprintf() portab function more portable

---
 src/portab/portab.h    | 2 ++
 src/portab/vsnprintf.c | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/src/portab/portab.h b/src/portab/portab.h
index 70d5ed3e..ee353eb1 100644
--- a/src/portab/portab.h
+++ b/src/portab/portab.h
@@ -159,9 +159,11 @@ extern char * strtok_r PARAMS((char *str, const char *delim, char **saveptr));
 #endif
 
 #ifndef HAVE_VSNPRINTF
+#ifdef PROTOTYPES
 #include <stdarg.h>
 extern int vsnprintf PARAMS(( char *str, size_t count, const char *fmt, va_list args ));
 #endif
+#endif
 
 #ifndef HAVE_GAI_STRERROR
 # define gai_strerror(r) "unknown error"
diff --git a/src/portab/vsnprintf.c b/src/portab/vsnprintf.c
index 4c65db1f..b740eca5 100644
--- a/src/portab/vsnprintf.c
+++ b/src/portab/vsnprintf.c
@@ -82,7 +82,11 @@
 #include <ctype.h>
 #endif
 #include <sys/types.h>
+#ifdef PROTOTYPES
 #include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
-- 
2.39.2