Fix usage of snprintf for MSVC

Older versions of MSVC don't have a snprintf functions. Some files
were already working around that, but not all of them. Instead of
copying the logic into every file, I centralize it into a new
stdio.h wrapper file and make other files include that.

BUG=
R=mark@chromium.org

Review URL: https://codereview.chromium.org/1602563003 .

Patch from Pavel Labath <labath@google.com>.

src/common/stdio.h

@@ -0,0 +1,43 @@
+// Copyright (c) 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef GOOGLE_BREAKPAD_COMMON_STDIO_H
+#define GOOGLE_BREAKPAD_COMMON_STDIO_H
+
+#include <stdio.h>
+
+#if defined(_MSC_VER) && MSC_VER < 1900
+#include <basetsd.h>
+
+#define snprintf _snprintf
+typedef SSIZE_T ssize_t;
+#endif
+
+
+#endif  // GOOGLE_BREAKPAD_COMMON_STDIO_H

src/processor/dump_context.cc

@@ -34,17 +34,14 @@
 #include "google_breakpad/processor/dump_context.h"
 
 #include <assert.h>
-#include <stdio.h>
 
 #ifdef _WIN32
 #include <io.h>
-#if defined(_MSC_VER) && _MSC_VER < 1900
-#define snprintf _snprintf
-#endif
 #else  // _WIN32
 #include <unistd.h>
 #endif  // _WIN32
 
+#include "common/stdio.h"
 #include "processor/logging.h"
 
 namespace google_breakpad {

src/processor/logging.cc

@@ -35,20 +35,16 @@
 
 #include <assert.h>
 #include <errno.h>
-#include <stdio.h>
 #include <string.h>
 #include <time.h>
 
 #include <string>
 
+#include "common/stdio.h"
 #include "common/using_std_string.h"
 #include "processor/logging.h"
 #include "processor/pathname_stripper.h"
 
-#ifdef _WIN32
-#define snprintf _snprintf
-#endif
-
 namespace google_breakpad {
 
 LogStream::LogStream(std::ostream &stream, Severity severity,

src/processor/minidump.cc

@@ -38,15 +38,11 @@
 #include <assert.h>
 #include <fcntl.h>
 #include <stddef.h>
-#include <stdio.h>
 #include <string.h>
 #include <time.h>
 
 #ifdef _WIN32
 #include <io.h>
-#if defined(_MSC_VER) && _MSC_VER < 1900
-#define snprintf _snprintf
-#endif
 #else  // _WIN32
 #include <unistd.h>
 #endif  // _WIN32
@@ -60,6 +56,7 @@
 #include "processor/range_map-inl.h"
 
 #include "common/scoped_ptr.h"
+#include "common/stdio.h"
 #include "google_breakpad/processor/dump_context.h"
 #include "processor/basic_code_module.h"
 #include "processor/basic_code_modules.h"

src/processor/minidump_processor.cc

@@ -30,11 +30,11 @@
 #include "google_breakpad/processor/minidump_processor.h"
 
 #include <assert.h>
-#include <stdio.h>
 
 #include <string>
 
 #include "common/scoped_ptr.h"
+#include "common/stdio.h"
 #include "common/using_std_string.h"
 #include "google_breakpad/processor/call_stack.h"
 #include "google_breakpad/processor/minidump.h"

src/processor/stackwalk_common.cc

@@ -35,13 +35,13 @@
 #include "processor/stackwalk_common.h"
 
 #include <assert.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <string>
 #include <vector>
 
+#include "common/stdio.h"
 #include "common/using_std_string.h"
 #include "google_breakpad/processor/call_stack.h"
 #include "google_breakpad/processor/code_module.h"

src/processor/symbolic_constants_win.cc

@@ -33,9 +33,9 @@
 //
 // Author: Ben Wagner
 
-#include <cstdio>
 #include <string>
 
+#include "common/stdio.h"
 #include "google_breakpad/common/breakpad_types.h"
 #include "google_breakpad/common/minidump_exception_win32.h"
 #include "processor/symbolic_constants_win.h"
@@ -6406,7 +6406,7 @@ std::string NTStatusToString(uint32_t ntstatus) {
       break;
     default: {
       char reason_string[11];
-      std::snprintf(reason_string, sizeof(reason_string), "0x%08x", ntstatus);
+      snprintf(reason_string, sizeof(reason_string), "0x%08x", ntstatus);
       reason = reason_string;
       break;
     }