generic-library/poco
1
0
Fork 0
mirror of https://github.com/pocoproject/poco.git synced 2025-01-31 14:39:53 +01:00
Code Issues Projects Releases Wiki Activity

added zero-size check

Browse Source
This commit is contained in:
Aleksandar Fabijanic 2009-03-16 15:17:13 +00:00
parent c41d7fcf91
commit 582d3853db
2 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Foundation/include/Poco/Buffer.h
View File

@ -136,6 +136,7 @@ public:
void append(const T* buf, std::size_t sz)
/// Resizes this buffer and appends the argument buffer.
{
if (0 == sz) return;
std::size_t oldSize = _size;
resize(_size + sz, true);
std::memcpy(_ptr + oldSize, buf, sz);
@ -177,6 +178,12 @@ public:
return _ptr + _size;
}
bool isEmpty() const
/// Return true if buffer is empty.
{
return 0 == _size;
}
T& operator [] (std::size_t index)
{
poco_assert (index < _size);
@ -196,7 +203,11 @@ private:
void recreate(std::size_t newSize)
{
delete [] _ptr;
_ptr = new T[newSize];
if (0 == newSize)
_ptr = 0;
else
_ptr = new T[newSize];
_size = newSize;
}

3
Foundation/testsuite/src/CoreTest.cpp
View File

@ -216,6 +216,9 @@ void CoreTest::testBuffer()
for (int j = 0; i < s; ++i, ++j)
assert (b1[i] == j);
b1.resize(0);
assert (b1.isEmpty());
#if ENABLE_BUGCHECK_TEST
try { int i = b[s]; fail ("must fail"); }
catch (Exception&) { }