Escapes the nul characters in @string to "\x00". It can be used to compile a regex with embedded nul characters.
For completeness, @length can be -1 for a nul-terminated string. In this case the output string will be of course equal to @string.
the string to escape
the length of @string
Return: a newly-allocated escaped string
2.30
See Implementation
Escapes the nul characters in @string to "\x00". It can be used to compile a regex with embedded nul characters.
For completeness, @length can be -1 for a nul-terminated string. In this case the output string will be of course equal to @string.