1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef PARTITION_ALLOC_PARTITION_ALLOC_BASE_STRINGS_STRINGPRINTF_H_
6 #define PARTITION_ALLOC_PARTITION_ALLOC_BASE_STRINGS_STRINGPRINTF_H_
7 
8 #include <cstdarg>  // va_list
9 #include <string>
10 
11 #include "build/build_config.h"
12 #include "partition_alloc/partition_alloc_base/compiler_specific.h"
13 #include "partition_alloc/partition_alloc_base/component_export.h"
14 
15 namespace partition_alloc::internal::base {
16 
17 // Since Only SystemErrorCodeToString and partition_alloc_perftests use
18 // StringPrintf, make StringPrintf not to support too long results.
19 // Instead, define max result length and truncate such results.
20 static constexpr size_t kMaxLengthOfTruncatingStringPrintfResult = 255U;
21 
22 // Return a C++ string given printf-like input.
23 [[nodiscard]] PA_COMPONENT_EXPORT(PARTITION_ALLOC_BASE) std::string
24     TruncatingStringPrintf(const char* format, ...) PA_PRINTF_FORMAT(1, 2);
25 
26 }  // namespace partition_alloc::internal::base
27 
28 #endif  // PARTITION_ALLOC_PARTITION_ALLOC_BASE_STRINGS_STRINGPRINTF_H_
29