JavaSWT用程序改变gif图像颜色

istream& read_word(istream&is,char* buffer,int max)

{

is.width(max);//read at most max-1 characters in the next>>

is>>buffer;//read whitespace-terminated word,add zero after the last character read into buffer

return is;

}

合理地设置独享istream的宽度能够避免>>操作导致缓冲区溢出

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