Delete wrappers for snprintf and vsnprintf

Bug: webrtc:6424
Change-Id: I99373dc86e25caff20111408b104ff5dafa7b711
Reviewed-on: https://webrtc-review.googlesource.com/c/106322
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25210}
diff --git a/examples/peerconnection/client/linux/main_wnd.cc b/examples/peerconnection/client/linux/main_wnd.cc
index 52b0d88..2f7777d 100644
--- a/examples/peerconnection/client/linux/main_wnd.cc
+++ b/examples/peerconnection/client/linux/main_wnd.cc
@@ -18,11 +18,8 @@
 #include "examples/peerconnection/client/defaults.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/stringutils.h"
 #include "third_party/libyuv/include/libyuv/convert_from.h"
 
-using rtc::sprintfn;
-
 namespace {
 
 //
@@ -150,7 +147,7 @@
       autoconnect_(autoconnect),
       autocall_(autocall) {
   char buffer[10];
-  sprintfn(buffer, sizeof(buffer), "%i", port);
+  snprintf(buffer, sizeof(buffer), "%i", port);
   port_ = buffer;
 }
 
diff --git a/examples/peerconnection/client/main_wnd.cc b/examples/peerconnection/client/main_wnd.cc
index 3ad2488..8edd1e7 100644
--- a/examples/peerconnection/client/main_wnd.cc
+++ b/examples/peerconnection/client/main_wnd.cc
@@ -17,14 +17,11 @@
 #include "rtc_base/arraysize.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/stringutils.h"
 #include "third_party/libyuv/include/libyuv/convert_argb.h"
 
 ATOM MainWnd::wnd_class_ = 0;
 const wchar_t MainWnd::kClassName[] = L"WebRTC_MainWnd";
 
-using rtc::sprintfn;
-
 namespace {
 
 const char kConnecting[] = "Connecting... ";
@@ -86,8 +83,8 @@
       server_(server),
       auto_connect_(auto_connect),
       auto_call_(auto_call) {
-  char buffer[10] = {0};
-  sprintfn(buffer, sizeof(buffer), "%i", port);
+  char buffer[10];
+  snprintf(buffer, sizeof(buffer), "%i", port);
   port_ = buffer;
 }
 
diff --git a/examples/peerconnection/client/peer_connection_client.cc b/examples/peerconnection/client/peer_connection_client.cc
index bb79d16..f173e42 100644
--- a/examples/peerconnection/client/peer_connection_client.cc
+++ b/examples/peerconnection/client/peer_connection_client.cc
@@ -14,14 +14,11 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/nethelpers.h"
-#include "rtc_base/stringutils.h"
 
 #ifdef WIN32
 #include "rtc_base/win32socketserver.h"
 #endif
 
-using rtc::sprintfn;
-
 namespace {
 
 // This is our magical hangup signal.
@@ -136,7 +133,7 @@
   hanging_get_.reset(CreateClientSocket(server_address_.ipaddr().family()));
   InitSocketSignals();
   char buffer[1024];
-  sprintfn(buffer, sizeof(buffer), "GET /sign_in?%s HTTP/1.0\r\n\r\n",
+  snprintf(buffer, sizeof(buffer), "GET /sign_in?%s HTTP/1.0\r\n\r\n",
            client_name_.c_str());
   onconnect_data_ = buffer;
 
@@ -158,9 +155,9 @@
     return false;
 
   char headers[1024];
-  sprintfn(headers, sizeof(headers),
+  snprintf(headers, sizeof(headers),
            "POST /message?peer_id=%i&to=%i HTTP/1.0\r\n"
-           "Content-Length: %i\r\n"
+           "Content-Length: %zu\r\n"
            "Content-Type: text/plain\r\n"
            "\r\n",
            my_id_, peer_id, message.length());
@@ -190,7 +187,7 @@
 
     if (my_id_ != -1) {
       char buffer[1024];
-      sprintfn(buffer, sizeof(buffer),
+      snprintf(buffer, sizeof(buffer),
                "GET /sign_out?peer_id=%i HTTP/1.0\r\n\r\n", my_id_);
       onconnect_data_ = buffer;
       return ConnectControlSocket();
@@ -237,7 +234,7 @@
 
 void PeerConnectionClient::OnHangingGetConnect(rtc::AsyncSocket* socket) {
   char buffer[1024];
-  sprintfn(buffer, sizeof(buffer), "GET /wait?peer_id=%i HTTP/1.0\r\n\r\n",
+  snprintf(buffer, sizeof(buffer), "GET /wait?peer_id=%i HTTP/1.0\r\n\r\n",
            my_id_);
   int len = static_cast<int>(strlen(buffer));
   int sent = socket->Send(buffer, len);
diff --git a/examples/peerconnection/server/peer_channel.cc b/examples/peerconnection/server/peer_channel.cc
index 6ef08d7..b23b7e0 100644
--- a/examples/peerconnection/server/peer_channel.cc
+++ b/examples/peerconnection/server/peer_channel.cc
@@ -19,9 +19,6 @@
 #include "examples/peerconnection/server/data_socket.h"
 #include "examples/peerconnection/server/utils.h"
 #include "rtc_base/stringencode.h"
-#include "rtc_base/stringutils.h"
-
-using rtc::sprintfn;
 
 // Set to the peer id of the originator when messages are being
 // exchanged between peers, but set to the id of the receiving peer
@@ -98,7 +95,7 @@
 
   // name, 11-digit int, 1-digit bool, newline, null
   char entry[kMaxNameLength + 15];
-  sprintfn(entry, sizeof(entry), "%s,%d,%d\n",
+  snprintf(entry, sizeof(entry), "%s,%d,%d\n",
            name_.substr(0, kMaxNameLength).c_str(), id_, connected_);
   return entry;
 }