Esempio n. 1
0
void
AppendUTF8toUTF16( const nsACString& aSource, nsAString& aDest )
{
  if (!AppendUTF8toUTF16(aSource, aDest, mozilla::fallible_t())) {
    NS_ABORT_OOM(aDest.Length() + aSource.Length());
  }
}
Esempio n. 2
0
void
nsTString_CharT::StripChars( const char* aSet )
{
  if (!EnsureMutable())
    NS_ABORT_OOM(mLength);

  mLength = nsBufferRoutines<CharT>::strip_chars(mData, mLength, aSet);
}
Esempio n. 3
0
void*
nsPresArena::Allocate(uint32_t aCode, size_t aSize)
{
  NS_ABORT_IF_FALSE(aSize > 0, "PresArena cannot allocate zero bytes");

  // We only hand out aligned sizes
  aSize = PL_ARENA_ALIGN(&mPool, aSize);

  // If there is no free-list entry for this type already, we have
  // to create one now, to record its size.
  FreeList* list = mFreeLists.PutEntry(aCode);

  nsTArray<void*>::index_type len = list->mEntries.Length();
  if (list->mEntrySize == 0) {
    NS_ABORT_IF_FALSE(len == 0, "list with entries but no recorded size");
    list->mEntrySize = aSize;
  } else {
    NS_ABORT_IF_FALSE(list->mEntrySize == aSize,
                      "different sizes for same object type code");
  }

  void* result;
  if (len > 0) {
    // LIFO behavior for best cache utilization
    result = list->mEntries.ElementAt(len - 1);
    list->mEntries.RemoveElementAt(len - 1);
#if defined(DEBUG)
    {
      MOZ_MAKE_MEM_DEFINED(result, list->mEntrySize);
      char* p = reinterpret_cast<char*>(result);
      char* limit = p + list->mEntrySize;
      for (; p < limit; p += sizeof(uintptr_t)) {
        uintptr_t val = *reinterpret_cast<uintptr_t*>(p);
        NS_ABORT_IF_FALSE(val == mozPoisonValue(),
                          nsPrintfCString("PresArena: poison overwritten; "
                                          "wanted %.16llx "
                                          "found %.16llx "
                                          "errors in bits %.16llx",
                                          uint64_t(mozPoisonValue()),
                                          uint64_t(val),
                                          uint64_t(mozPoisonValue() ^ val)
                                          ).get());
      }
    }
#endif
    MOZ_MAKE_MEM_UNDEFINED(result, list->mEntrySize);
    return result;
  }

  // Allocate a new chunk from the arena
  list->mEntriesEverAllocated++;
  PL_ARENA_ALLOCATE(result, &mPool, aSize);
  if (!result) {
    NS_ABORT_OOM(aSize);
  }
  return result;
}
Esempio n. 4
0
void
nsTString_CharT::ReplaceChar( char_type aOldChar, char_type aNewChar )
{
  if (!EnsureMutable()) // XXX do this lazily?
    NS_ABORT_OOM(mLength);

  for (uint32_t i=0; i<mLength; ++i)
  {
    if (mData[i] == aOldChar)
      mData[i] = aNewChar;
  }
}
Esempio n. 5
0
bool
nsTString_CharT::SetCharAt( char16_t aChar, uint32_t aIndex )
{
  if (aIndex >= mLength)
    return false;

  if (!EnsureMutable())
    NS_ABORT_OOM(mLength);

  mData[aIndex] = CharT(aChar);
  return true;
}
Esempio n. 6
0
bool ReportException(JNIEnv* aEnv, jthrowable aExc, jstring aStack)
{
    bool result = true;

#ifdef MOZ_CRASHREPORTER
    result &= NS_SUCCEEDED(CrashReporter::AnnotateCrashReport(
            NS_LITERAL_CSTRING("JavaStackTrace"),
            String::Ref::From(aStack)->ToCString()));
#endif // MOZ_CRASHREPORTER

    if (sOOMErrorClass && aEnv->IsInstanceOf(aExc, sOOMErrorClass)) {
        NS_ABORT_OOM(0); // Unknown OOM size
    }
    return result;
}
void
nsString::ReplaceChar( const char16_t* aSet, char16_t aNewChar )
{
    if (!EnsureMutable()) // XXX do this lazily?
        NS_ABORT_OOM(mLength);

    char16_t* data = mData;
    uint32_t lenRemaining = mLength;

    while (lenRemaining)
    {
        int32_t i = ::FindCharInSet(data, lenRemaining, aSet);
        if (i == kNotFound)
            break;

        data[i++] = aNewChar;
        data += i;
        lenRemaining -= i;
    }
}