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-rw-r--r--core/src/fxcrt/fx_basic_gcc.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/core/src/fxcrt/fx_basic_gcc.cpp b/core/src/fxcrt/fx_basic_gcc.cpp
index 7f5bbade66..93c71ce660 100644
--- a/core/src/fxcrt/fx_basic_gcc.cpp
+++ b/core/src/fxcrt/fx_basic_gcc.cpp
@@ -4,6 +4,7 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+#include <limits>
#include "../../include/fxcrt/fx_ext.h"
template <class T, class STR_T>
T FXSYS_StrToInt(STR_T str)
@@ -21,6 +22,9 @@ T FXSYS_StrToInt(STR_T str)
if ((*str) < '0' || (*str) > '9') {
break;
}
+ if (num > (std::numeric_limits<T>::max() - 9) / 10) {
+ break;
+ }
num = num * 10 + (*str) - '0';
str ++;
}