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Merge #10250: Fix some empty vector references

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f478d98 Fix some empty vector references (Pieter Wuille)

Tree-SHA512: a22022b9060cd39f8d349e8dd24490614c0028eae2fbc7186d0d26b1d47529049b2daee41f093c0722130274a0b6f7f8671c2295c8cb4a97028771eaff080734
This commit is contained in:
Wladimir J. van der Laan 2017-04-21 17:33:22 +02:00
commit 1428f3030d
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1 changed files with 6 additions and 2 deletions
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8
src/streams.h
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@ -248,7 +248,8 @@ public:
void insert(iterator it, std::vector<char>::const_iterator first, std::vector<char>::const_iterator last)
{
assert(last - first >= 0);
if (last == first) return;
assert(last - first > 0);
if (it == vch.begin() + nReadPos && (unsigned int)(last - first) <= nReadPos)
{
// special case for inserting at the front when there's room
@ -261,7 +262,8 @@ public:
void insert(iterator it, const char* first, const char* last)
{
assert(last - first >= 0);
if (last == first) return;
assert(last - first > 0);
if (it == vch.begin() + nReadPos && (unsigned int)(last - first) <= nReadPos)
{
// special case for inserting at the front when there's room
@ -339,6 +341,8 @@ public:
void read(char* pch, size_t nSize)
{
if (nSize == 0) return;
// Read from the beginning of the buffer
unsigned int nReadPosNext = nReadPos + nSize;
if (nReadPosNext >= vch.size())