The Tor Browser / file comparison
comparison: xpcom/string/public/nsPrintfCString.h
xpcom/string/public/nsPrintfCString.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:6b27c2324510 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsPrintfCString_h___ | |
| 7 #define nsPrintfCString_h___ | |
| 8 | |
| 9 #include "nsString.h" | |
| 10 | |
| 11 /** | |
| 12 * nsPrintfCString lets you create a nsCString using a printf-style format | |
| 13 * string. For example: | |
| 14 * | |
| 15 * NS_WARNING(nsPrintfCString("Unexpected value: %f", 13.917).get()); | |
| 16 * | |
| 17 * nsPrintfCString has a small built-in auto-buffer. For larger strings, it | |
| 18 * will allocate on the heap. | |
| 19 * | |
| 20 * See also nsCString::AppendPrintf(). | |
| 21 */ | |
| 22 class nsPrintfCString : public nsFixedCString | |
| 23 { | |
| 24 typedef nsCString string_type; | |
| 25 | |
| 26 public: | |
| 27 explicit nsPrintfCString( const char_type* format, ... ) | |
| 28 : nsFixedCString(mLocalBuffer, kLocalBufferSize, 0) | |
| 29 { | |
| 30 va_list ap; | |
| 31 va_start(ap, format); | |
| 32 AppendPrintf(format, ap); | |
| 33 va_end(ap); | |
| 34 } | |
| 35 | |
| 36 private: | |
| 37 static const uint32_t kLocalBufferSize = 16; | |
| 38 char_type mLocalBuffer[kLocalBufferSize]; | |
| 39 }; | |
| 40 | |
| 41 #endif // !defined(nsPrintfCString_h___) |
