From 16d7b981ebc22df86e4dc7719ae63677bff8b1e1 Mon Sep 17 00:00:00 2001
From: "Carsten Haitzler (Rasterman)" <raster@rasterman.com>
Date: Fri, 4 Apr 2014 19:35:16 +0900
Subject: [PATCH] ecore-con - deal with internal buffer growing over 2g in size

@fix this fixes a corner case where you may buffer 2g or more of data
in ecore-con buffers. this leads to a stall. @fix
---
 src/lib/ecore_con/ecore_con.c             | 14 +++++++++-----
 src/lib/ecore_con/ecore_con_local_win32.c |  4 ++--
 src/lib/ecore_con/ecore_con_private.h     |  6 +++---
 3 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/src/lib/ecore_con/ecore_con.c b/src/lib/ecore_con/ecore_con.c
index 5813956ed5..bf18febfc3 100644
--- a/src/lib/ecore_con/ecore_con.c
+++ b/src/lib/ecore_con/ecore_con.c
@@ -702,7 +702,8 @@ ecore_con_server_send(Ecore_Con_Server *svr,
           }
 #endif
      }
-   eina_binbuf_append_length(svr->buf, data, size);
+   if (!eina_binbuf_append_length(svr->buf, data, size))
+     ERR("eina_binbuf_append_length() failed");
 
    return size;
 }
@@ -815,7 +816,8 @@ ecore_con_client_send(Ecore_Con_Client *cl,
                }
 #endif
           }
-        eina_binbuf_append_length(cl->buf, data, size);
+        if (!eina_binbuf_append_length(cl->buf, data, size))
+          ERR("eina_binbuf_append_length() failed");
      }
    return size;
 }
@@ -2291,9 +2293,10 @@ _ecore_con_svr_cl_handler(void *data,
 static void
 _ecore_con_server_flush(Ecore_Con_Server *svr)
 {
-   int count, num;
+   int count;
+   size_t num;
    size_t buf_len;
-   unsigned int *buf_offset;
+   size_t *buf_offset;
    const unsigned char *buf;
    Eina_Binbuf *buf_p;
 
@@ -2400,7 +2403,8 @@ _ecore_con_server_flush(Ecore_Con_Server *svr)
 static void
 _ecore_con_client_flush(Ecore_Con_Client *cl)
 {
-   int num = 0, count = 0;
+   int count = 0;
+   size_t num = 0;
 
    if (!cl->fd_handler) return;
 #ifdef _WIN32
diff --git a/src/lib/ecore_con/ecore_con_local_win32.c b/src/lib/ecore_con/ecore_con_local_win32.c
index 670105ae31..228dd4643f 100644
--- a/src/lib/ecore_con/ecore_con_local_win32.c
+++ b/src/lib/ecore_con/ecore_con_local_win32.c
@@ -659,7 +659,7 @@ close_pipe:
 Eina_Bool
 ecore_con_local_win32_server_flush(Ecore_Con_Server *svr)
 {
-   int num;
+   size_t num;
    BOOL res;
    DWORD written;
 
@@ -706,7 +706,7 @@ Eina_Bool
 ecore_con_local_win32_client_flush(Ecore_Con_Client *cl)
 {
    Ecore_Con_Type type;
-   int num;
+   size_t num;
    BOOL res;
    DWORD written;
 
diff --git a/src/lib/ecore_con/ecore_con_private.h b/src/lib/ecore_con/ecore_con_private.h
index 297162bb63..d224e2a385 100644
--- a/src/lib/ecore_con/ecore_con_private.h
+++ b/src/lib/ecore_con/ecore_con_private.h
@@ -101,7 +101,7 @@ struct _Ecore_Con_Client
    Ecore_Con_Server *host_server;
    void *data;
    Ecore_Fd_Handler *fd_handler;
-   unsigned int buf_offset;
+   size_t buf_offset;
    Eina_Binbuf *buf;
    const char *ip;
    Eina_List *event_count;
@@ -136,7 +136,7 @@ struct _Ecore_Con_Server
    Eina_List *clients;
    unsigned int client_count;
    Eina_Binbuf *buf;
-   unsigned int write_buf_offset;
+   size_t write_buf_offset;
    Eina_List *infos;
    Eina_List *event_count;
    int client_limit;
@@ -146,7 +146,7 @@ struct _Ecore_Con_Server
    Ecore_Con_Proxy_State ecs_state;
    int ecs_addrlen;
    unsigned char ecs_addr[16];
-   unsigned int ecs_buf_offset;
+   size_t ecs_buf_offset;
    Eina_Binbuf *ecs_buf;
    Eina_Binbuf *ecs_recvbuf;
    const char *proxyip;