C++ 试图在到达 EOF 时读取一个字符
C++ attempting to read a char when EOF is reached
ifstream inputFile("blah.txt");
char c;
inputFile.read((char *)(&c), 1);
假设在读取时，文件已经到达 EOF。
c 中的值是多少？
Characters are extracted and stored until any of the following
conditions occurs:
...
end of file condition occurs on the input sequence ...
阅读更多信息：http://en.cppreference.com/w/cpp/io/basic_istream/read
因此您的 char 将包含与以前相同的值。
ifstream inputFile("blah.txt");
char c;
inputFile.read((char *)(&c), 1);
假设在读取时，文件已经到达 EOF。
c 中的值是多少？
Characters are extracted and stored until any of the following conditions occurs: ... end of file condition occurs on the input sequence ...
阅读更多信息：http://en.cppreference.com/w/cpp/io/basic_istream/read
因此您的 char 将包含与以前相同的值。