Mismatch between the format specifiers and count and type of values results in undefined behavior and possibly program crash. See for example concatenation below. [3] it detects problems in a program while letting it run and allows users to examine different registers.
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The memory occupied by a string is always one more code unit than the length, as space is needed to store the zero terminator
Generally, the term string means a string where the code unit is of type char, which is exactly 8 bits on all modern machines.
The c++ programming language has support for string handling, mostly implemented in its standard library The language standard specifies several string types, some inherited from c, some designed to make use of the language's features, such as classes and raii Since the initial versions of c++. This allows the string to contain nul and made finding the length need only one memory access (o (1) (constant) time), but limited string length to 255 characters.
In programming and information security, a buffer overflow or buffer overrun is an anomaly whereby a program writes data to a buffer beyond the buffer's allocated memory, overwriting adjacent memory locations Buffers are areas of memory set aside to hold data, often while moving it from one section of a program to another, or between programs.
