From 6437e4b4a96a062fb643fef982b101cd5938fc48 Mon Sep 17 00:00:00 2001
From: twinaphex <autechre1024@hotmail.com>
Date: Tue, 23 Jan 2018 05:48:37 +0100
Subject: [PATCH] remove tons of unreferenced local variables

---
 network/netplay/netplay_frontend.c  | 5 ++---
 network/netplay/netplay_handshake.c | 2 +-
 network/netplay/netplay_io.c        | 8 +-------
 network/netplay/netplay_sync.c      | 6 +++---
 4 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/network/netplay/netplay_frontend.c b/network/netplay/netplay_frontend.c
index ae8430c22c..9515fec3c3 100644
--- a/network/netplay/netplay_frontend.c
+++ b/network/netplay/netplay_frontend.c
@@ -115,10 +115,10 @@ static bool netplay_can_poll(netplay_t *netplay)
  */
 static bool get_self_input_state(netplay_t *netplay)
 {
+   unsigned i;
    struct delta_frame *ptr = &netplay->buffer[netplay->self_ptr];
    netplay_input_state_t istate = NULL;
    uint32_t devices, used_devices = 0, devi, dev_type, local_device;
-   size_t i;
 
    if (!netplay_delta_frame_ready(netplay, ptr, netplay->self_frame_count))
       return false;
@@ -192,7 +192,7 @@ static bool get_self_input_state(netplay_t *netplay)
                int16_t tmp_y = cb(local_device, dtype, 0, 1);
                state[1] = (uint16_t)tmp_x | (((uint16_t)tmp_y) << 16);
                for (i = 2;
-                     i <= ((dtype == RETRO_DEVICE_MOUSE) ?
+                     i <= (unsigned)((dtype == RETRO_DEVICE_MOUSE) ?
                            RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN :
                            RETRO_DEVICE_ID_LIGHTGUN_START);
                      i++)
@@ -1246,7 +1246,6 @@ uint8_t netplay_settings_share_mode(void)
  */
 static void netplay_toggle_play_spectate(netplay_t *netplay)
 {
-   size_t i;
    enum rarch_netplay_connection_mode mode;
 
    if (netplay->self_mode == NETPLAY_CONNECTION_PLAYING ||
diff --git a/network/netplay/netplay_handshake.c b/network/netplay/netplay_handshake.c
index 916583b237..a005a963fc 100644
--- a/network/netplay/netplay_handshake.c
+++ b/network/netplay/netplay_handshake.c
@@ -938,7 +938,7 @@ bool netplay_handshake_pre_sync(netplay_t *netplay,
    struct netplay_connection *connection, bool *had_input)
 {
    uint32_t cmd[2];
-   uint32_t new_frame_count, client_num, flip_frame;
+   uint32_t new_frame_count, client_num;
    uint32_t device;
    uint32_t local_sram_size, remote_sram_size;
    size_t i, j;
diff --git a/network/netplay/netplay_io.c b/network/netplay/netplay_io.c
index 6fa5b0f5e4..c06fd16fde 100644
--- a/network/netplay/netplay_io.c
+++ b/network/netplay/netplay_io.c
@@ -289,10 +289,8 @@ static bool send_input_frame(netplay_t *netplay, struct delta_frame *dframe,
 bool netplay_send_cur_input(netplay_t *netplay,
    struct netplay_connection *connection)
 {
-   struct delta_frame *dframe = &netplay->buffer[netplay->self_ptr];
    uint32_t from_client, to_client;
-   size_t i;
-   netplay_input_state_t istate;
+   struct delta_frame *dframe = &netplay->buffer[netplay->self_ptr];
 
    if (netplay->is_server)
    {
@@ -910,10 +908,8 @@ static bool netplay_get_cmd(netplay_t *netplay,
    struct netplay_connection *connection, bool *had_input)
 {
    uint32_t cmd;
-   uint32_t flip_frame;
    uint32_t cmd_size;
    ssize_t recvd;
-   char msg[512];
 
    /* We don't handle the initial handshake here */
    if (connection->mode < NETPLAY_CONNECTION_CONNECTED)
@@ -949,7 +945,6 @@ static bool netplay_get_cmd(netplay_t *netplay,
       case NETPLAY_CMD_INPUT:
          {
             uint32_t frame_num, client_num, input_size, devices, device;
-            unsigned i;
             struct delta_frame *dframe;
 
             if (cmd_size < 2*sizeof(uint32_t))
@@ -1324,7 +1319,6 @@ static bool netplay_get_cmd(netplay_t *netplay,
                else
                {
                   uint32_t frame_count;
-                  netplay_input_state_t istate;
 
                   /* It wants future frames, make sure we don't capture or send intermediate ones */
                   START(netplay->self_ptr);
diff --git a/network/netplay/netplay_sync.c b/network/netplay/netplay_sync.c
index a40404f646..a912b43a82 100644
--- a/network/netplay/netplay_sync.c
+++ b/network/netplay/netplay_sync.c
@@ -228,9 +228,9 @@ static void merge_analog_part(netplay_t *netplay,
       uint32_t device, uint32_t clients, uint32_t word, uint8_t bit)
 {
    netplay_input_state_t simstate;
-   uint32_t client, client_count = 0;;
-   uint8_t share_mode = netplay->device_share_modes[device] & NETPLAY_SHARE_ANALOG_BITS;
-   int32_t value = 0, new_value;
+   uint32_t client, client_count = 0;
+   uint8_t share_mode            = netplay->device_share_modes[device] & NETPLAY_SHARE_ANALOG_BITS;
+   int32_t value                 = 0, new_value;
 
    /* Make sure all real clients are accounted for */
    for (simstate = simframe->real_input[device]; simstate; simstate = simstate->next)