overlapped_io_init() has a "bool tuntap_buffer" argument which is only
passed onwards to alloc_buf_sock_tun(), which does nothing with it.
Remove from both functions.
While at it, move alloc_buf_sock_tun() from mtu.c to win32.c and make
static. It's only ever called from win32.c / overlapped_io_init().
v2:
move alloc_buf_sock_tun() to win32.c
Signed-off-by: Gert Doering
---
src/openvpn/mtu.c| 13 -
src/openvpn/mtu.h| 7 ---
src/openvpn/socket.c | 4 ++--
src/openvpn/tun.c| 4 ++--
src/openvpn/win32.c | 17 ++---
src/openvpn/win32.h | 3 +--
6 files changed, 19 insertions(+), 29 deletions(-)
diff --git a/src/openvpn/mtu.c b/src/openvpn/mtu.c
index 1d9ebe01..4b32daff 100644
--- a/src/openvpn/mtu.c
+++ b/src/openvpn/mtu.c
@@ -39,19 +39,6 @@
#include "memdbg.h"
-/* allocate a buffer for socket or tun layer */
-void
-alloc_buf_sock_tun(struct buffer *buf,
- const struct frame *frame,
- const bool tuntap_buffer)
-{
-/* allocate buffer for overlapped I/O */
-*buf = alloc_buf(BUF_SIZE(frame));
-ASSERT(buf_init(buf, frame->buf.headroom));
-buf->len = frame->buf.payload_size;
-ASSERT(buf_safe(buf, 0));
-}
-
unsigned int
calc_packet_id_size_dc(const struct options *options, const struct key_type
*kt)
{
diff --git a/src/openvpn/mtu.h b/src/openvpn/mtu.h
index 0ff4f7bf..afd4ac53 100644
--- a/src/openvpn/mtu.h
+++ b/src/openvpn/mtu.h
@@ -261,13 +261,6 @@ unsigned int
calc_packet_id_size_dc(const struct options *options,
const struct key_type *kt);
-/*
- * allocate a buffer for socket or tun layer
- */
-void alloc_buf_sock_tun(struct buffer *buf,
-const struct frame *frame,
-const bool tuntap_buffer);
-
/*
* EXTENDED_SOCKET_ERROR_CAPABILITY functions -- print extra error info
* on socket errors, such as PMTU size. As of 2003.05.11, only works
diff --git a/src/openvpn/socket.c b/src/openvpn/socket.c
index a883ac4a..2c75cb35 100644
--- a/src/openvpn/socket.c
+++ b/src/openvpn/socket.c
@@ -1623,8 +1623,8 @@ static void
socket_frame_init(const struct frame *frame, struct link_socket *sock)
{
#ifdef _WIN32
-overlapped_io_init(>reads, frame, FALSE, false);
-overlapped_io_init(>writes, frame, TRUE, false);
+overlapped_io_init(>reads, frame, FALSE);
+overlapped_io_init(>writes, frame, TRUE);
sock->rw_handle.read = sock->reads.overlapped.hEvent;
sock->rw_handle.write = sock->writes.overlapped.hEvent;
#endif
diff --git a/src/openvpn/tun.c b/src/openvpn/tun.c
index 01c85f9f..20f80798 100644
--- a/src/openvpn/tun.c
+++ b/src/openvpn/tun.c
@@ -898,8 +898,8 @@ init_tun_post(struct tuntap *tt,
return;
}
-overlapped_io_init(>reads, frame, FALSE, true);
-overlapped_io_init(>writes, frame, TRUE, true);
+overlapped_io_init(>reads, frame, FALSE);
+overlapped_io_init(>writes, frame, TRUE);
tt->adapter_index = TUN_ADAPTER_INDEX_INVALID;
if (tt->windows_driver == WINDOWS_DRIVER_WINTUN)
diff --git a/src/openvpn/win32.c b/src/openvpn/win32.c
index 44176936..9f0c119f 100644
--- a/src/openvpn/win32.c
+++ b/src/openvpn/win32.c
@@ -170,11 +170,22 @@ init_security_attributes_allow_all(struct
security_attributes *obj)
return true;
}
+/* allocate a buffer for socket or tun layer */
+static void
+alloc_buf_sock_tun(struct buffer *buf,
+ const struct frame *frame)
+{
+/* allocate buffer for overlapped I/O */
+*buf = alloc_buf(BUF_SIZE(frame));
+ASSERT(buf_init(buf, frame->buf.headroom));
+buf->len = frame->buf.payload_size;
+ASSERT(buf_safe(buf, 0));
+}
+
void
overlapped_io_init(struct overlapped_io *o,
const struct frame *frame,
- BOOL event_state,
- bool tuntap_buffer) /* if true: tuntap buffer, if false:
socket buffer */
+ BOOL event_state)
{
CLEAR(*o);
@@ -186,7 +197,7 @@ overlapped_io_init(struct overlapped_io *o,
}
/* allocate buffer for overlapped I/O */
-alloc_buf_sock_tun(>buf_init, frame, tuntap_buffer);
+alloc_buf_sock_tun(>buf_init, frame);
}
void
diff --git a/src/openvpn/win32.h b/src/openvpn/win32.h
index a1a45503..72ffb012 100644
--- a/src/openvpn/win32.h
+++ b/src/openvpn/win32.h
@@ -217,8 +217,7 @@ struct overlapped_io {
void overlapped_io_init(struct overlapped_io *o,
const struct frame *frame,
-BOOL event_state,
-bool tuntap_buffer);
+BOOL event_state);
void overlapped_io_close(struct overlapped_io *o);
--
2.34.1
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