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protection against buffer overruns in BufferWriter

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This commit is contained in:
SergeyN 2020-05-12 18:49:21 +02:00
parent 7d550d350e
commit ff5d61756f
1 changed files with 2 additions and 1 deletions
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3
implot.cpp
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@ -1425,7 +1425,8 @@ class BufferWriter {
private: private:
void VWrite(const char* fmt, va_list argp) { void VWrite(const char* fmt, va_list argp) {
const int written = ::vsnprintf(&Buffer[Pos], Size - Pos - 1, fmt, argp); const int written = ::vsnprintf(&Buffer[Pos], Size - Pos - 1, fmt, argp);
Pos += written; if (written > 0)
Pos += ImMin(size_t(written), Size-Pos-1);
} }
char* const Buffer; char* const Buffer;