USING: help.markup help.syntax strings byte-arrays alien libc debugger io.encodings.string sequences ; IN: alien.strings HELP: string>alien { $values { "string" string } { "encoding" "an encoding descriptor" } { "byte-array" byte-array } } { $description "Encodes a string together with a trailing null code point using the given encoding, and stores the resulting bytes in a freshly-allocated byte array." } { $errors "Throws an error if the string contains null characters, or characters not representable in the given encoding." } ; HELP: alien>string { $values { "c-ptr" c-ptr } { "encoding" "an encoding descriptor" } { "string/f" "a string or " { $link f } } } { $description "Reads a null-terminated C string from the specified address with the given encoding." } ; HELP: string>symbol { $values { "str" string } { "alien" alien } } { $description "Converts the string to a format which is a valid symbol name for the Factor VM's compiled code linker. By performing this conversion ahead of time, the image loader can run without allocating memory." $nl "On Windows CE, symbols are represented as UCS2 strings, and on all other platforms they are ASCII strings." } ; ABOUT: "c-strings"