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Memory error during variable parameter overload
2022-07-06 07:15:00 【iMatt】
If the following 2 Three forms of overloading
unsigned format(char* szBuf, unsigned nBufLen,const char* fmt...);
unsigned format(char* szBuf, unsigned nBufLen,const char* fmt, va_list arglist);
If it contains only one character pointer , Then the above overload will always call the latter , This will cause runtime memory errors , The program crashed directly .
The reason for the mistake is :
typedef char * va_list;
If the calling code uses character pointers instead of va_list type , This will result in runtime memory errors .
Therefore, the above overload must be adjusted .
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