diff options
| -rw-r--r-- | src/StringUtils.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/StringUtils.cpp b/src/StringUtils.cpp index 5d16616c5..0b38297ef 100644 --- a/src/StringUtils.cpp +++ b/src/StringUtils.cpp @@ -47,15 +47,13 @@ AString & AppendVPrintf(AString & str, const char *format, va_list args) #endif // _MSC_VER // Allocate a buffer and printf into it: - str.resize(len + 1); - // HACK: we're accessing AString's internal buffer in a way that is NOT guaranteed to always work. But it works on all STL implementations tested. - // I can't think of any other way that is safe, doesn't allocate twice as much space as needed and doesn't use C++11 features like the move constructor + std::vector<char> Buffer(len + 1); #ifdef _MSC_VER - vsprintf_s((char *)str.data(), len + 1, format, args); + vsprintf_s((char *)&(Buffer.front()), Buffer.size(), format, args); #else // _MSC_VER - vsnprintf((char *)str.data(), len + 1, format, args); + vsnprintf((char *)&(Buffer.front()), Buffer.size(), format, args); #endif // else _MSC_VER - str.resize(len); + str.append(&(Buffer.front()), Buffer.size() - 1); return str; } |