From b5741b570482c59ef53a1ea1ac0ee266295ce6bc Mon Sep 17 00:00:00 2001
From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Date: Tue, 29 Sep 2020 00:50:49 +0300
Subject: [PATCH] cmdline: add internal wrapper for vdprintf

Add internal wrapper for vdprintf(3) that is only available on Unix.

Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---
 lib/librte_cmdline/cmdline.c         | 2 +-
 lib/librte_cmdline/cmdline_os_unix.c | 6 ++++++
 lib/librte_cmdline/cmdline_private.h | 8 ++++++++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/librte_cmdline/cmdline.c b/lib/librte_cmdline/cmdline.c
index 0b2e1e30b7..49770869bb 100644
--- a/lib/librte_cmdline/cmdline.c
+++ b/lib/librte_cmdline/cmdline.c
@@ -131,7 +131,7 @@ cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
 	if (cl->s_out < 0)
 		return;
 	va_start(ap, fmt);
-	vdprintf(cl->s_out, fmt, ap);
+	cmdline_vdprintf(cl->s_out, fmt, ap);
 	va_end(ap);
 }
 
diff --git a/lib/librte_cmdline/cmdline_os_unix.c b/lib/librte_cmdline/cmdline_os_unix.c
index a4916c197e..64a945a34f 100644
--- a/lib/librte_cmdline/cmdline_os_unix.c
+++ b/lib/librte_cmdline/cmdline_os_unix.c
@@ -45,3 +45,9 @@ cmdline_read_char(struct cmdline *cl, char *c)
 {
 	return read(cl->s_in, c, 1);
 }
+
+int
+cmdline_vdprintf(int fd, const char *format, va_list op)
+{
+	return vdprintf(fd, format, op);
+}
diff --git a/lib/librte_cmdline/cmdline_private.h b/lib/librte_cmdline/cmdline_private.h
index ac10de4f85..4d9ea33f06 100644
--- a/lib/librte_cmdline/cmdline_private.h
+++ b/lib/librte_cmdline/cmdline_private.h
@@ -5,6 +5,10 @@
 #ifndef _CMDLINE_PRIVATE_H_
 #define _CMDLINE_PRIVATE_H_
 
+#include <stdarg.h>
+
+#include <rte_common.h>
+
 #include <cmdline.h>
 
 /* Disable buffering and echoing, save previous settings to oldterm. */
@@ -19,4 +23,8 @@ int cmdline_poll_char(struct cmdline *cl);
 /* Read one character from input. */
 ssize_t cmdline_read_char(struct cmdline *cl, char *c);
 
+/* vdprintf(3) */
+__rte_format_printf(2, 0)
+int cmdline_vdprintf(int fd, const char *format, va_list op);
+
 #endif