void SimpleStringBuilder::AddSubstring(const char* s, int n) {
- ASSERT(!is_finalized() && position_ + n < buffer_.length());
+ ASSERT(!is_finalized() && position_ + n <= buffer_.length());
ASSERT(static_cast<size_t>(n) <= strlen(s));
memcpy(&buffer_[position_], s, n * kCharSize);
position_ += n;
char* SimpleStringBuilder::Finalize() {
- ASSERT(!is_finalized() && position_ < buffer_.length());
+ ASSERT(!is_finalized() && position_ <= buffer_.length());
+ // If there is no space for null termination, overwrite last character.
+ if (position_ == buffer_.length()) {
+ position_--;
+ // Print ellipsis.
+ for (int i = 3; i > 0 && position_ > i; --i) buffer_[position_ - i] = '.';
+ }
buffer_[position_] = '\0';
// Make sure nobody managed to add a 0-character to the
// buffer while building the string.
void StringBuilder::AddFormattedList(const char* format, va_list list) {
- ASSERT(!is_finalized() && position_ < buffer_.length());
+ ASSERT(!is_finalized() && position_ <= buffer_.length());
int n = OS::VSNPrintF(buffer_ + position_, format, list);
if (n < 0 || n >= (buffer_.length() - position_)) {
position_ = buffer_.length();
--- /dev/null
+// Copyright 2013 the V8 project authors. 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.
+
+// Flags: --print-code
+
+var source = '"snowmen invasion " + "';
+for(var i = 0; i < 800; i++) {
+ source += '\u2603';
+}
+source += '"';
+eval(source);
+