From 04b0432dfd357c6562b01da9e9b9d5b8e0f434bc Mon Sep 17 00:00:00 2001
From: Alexander Turenko <alexander.turenko@tarantool.org>
Date: Fri, 10 Apr 2020 03:25:36 +0300
Subject: [PATCH] popen: add const qualifier to popen_write_timeout

The buffer is for reading, we're not intend to change it.

Part of #4031

Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
 src/lib/core/popen.c | 2 +-
 src/lib/core/popen.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/core/popen.c b/src/lib/core/popen.c
index ef2f8e2aad..f23eb5031e 100644
--- a/src/lib/core/popen.c
+++ b/src/lib/core/popen.c
@@ -280,7 +280,7 @@ stdX_str(unsigned int index)
  * Write data to the child stdin.
  */
 int
-popen_write_timeout(struct popen_handle *handle, void *buf,
+popen_write_timeout(struct popen_handle *handle, const void *buf,
 		    size_t count, unsigned int flags,
 		    ev_tstamp timeout)
 {
diff --git a/src/lib/core/popen.h b/src/lib/core/popen.h
index 587d6f7dfa..97c581c13a 100644
--- a/src/lib/core/popen.h
+++ b/src/lib/core/popen.h
@@ -154,7 +154,7 @@ extern const char *
 popen_command(struct popen_handle *handle);
 
 extern int
-popen_write_timeout(struct popen_handle *handle, void *buf,
+popen_write_timeout(struct popen_handle *handle, const void *buf,
 		    size_t count, unsigned int flags,
 		    ev_tstamp timeout);
 
-- 
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