diff options
Diffstat (limited to 'core/src/fxcrt/fx_basic_bstring.cpp')
| -rw-r--r-- | core/src/fxcrt/fx_basic_bstring.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/core/src/fxcrt/fx_basic_bstring.cpp b/core/src/fxcrt/fx_basic_bstring.cpp index 5c8a2fa8f3..895c8e560e 100644 --- a/core/src/fxcrt/fx_basic_bstring.cpp +++ b/core/src/fxcrt/fx_basic_bstring.cpp @@ -676,10 +676,10 @@ void CFX_ByteString::FormatV(FX_LPCSTR lpszFormat, va_list argList) if (nWidth + nPrecision > 100) { nItemLen = nPrecision + nWidth + 128; } else { - double f; char pszTemp[256]; - f = va_arg(argList, double); - FXSYS_sprintf(pszTemp, "%*.*f", nWidth, nPrecision + 6, f ); + double f = va_arg(argList, double); + memset(pszTemp, 0, sizeof(pszTemp)); + FXSYS_snprintf(pszTemp, sizeof(pszTemp) - 1, "%*.*f", nWidth, nPrecision + 6, f); nItemLen = (FX_STRSIZE)FXSYS_strlen(pszTemp); } break; @@ -697,9 +697,11 @@ void CFX_ByteString::FormatV(FX_LPCSTR lpszFormat, va_list argList) } nMaxLen += nItemLen; } + nMaxLen += 32; // Fudge factor. GetBuffer(nMaxLen); if (m_pData) { - FXSYS_vsprintf(m_pData->m_String, lpszFormat, argListSave); + memset(m_pData->m_String, 0, nMaxLen); + FXSYS_vsnprintf(m_pData->m_String, nMaxLen - 1, lpszFormat, argListSave); ReleaseBuffer(); } va_end(argListSave); |