py: Can compile with -Wmissing-declarations and -Wmissing-prototypes.

1 files changed, 8 insertions, 0 deletions

diff --git a/py/pfenv_printf.c b/py/pfenv_printf.c
index 39bf321ce..a68788a7f 100644
--- a/py/pfenv_printf.c
+++ b/py/pfenv_printf.c
@@ -27,6 +27,7 @@
 #include <assert.h>
 #include <string.h>
 #include <stdarg.h>
+#include <stdio.h>
 
 #include "py/pfenv.h"
 
@@ -193,3 +194,10 @@ int pfenv_printf(const pfenv_t *pfenv, const char *fmt, ...) {
     va_end(ap);
     return ret;
 }
+
+void printf_wrapper(void *env, const char *fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    vprintf(fmt, args);
+    va_end(args);
+}