This is the mail archive of the
gdb-patches@sources.redhat.com
mailing list for the GDB project.
Re: PATCH: Readline for MinGW
Date: Sun, 12 Jun 2005 11:42:46 +0300
From: Eli Zaretskii <eliz@gnu.org>
> + #ifdef __MINGW32__
> + /* Under Windows, when an extend key (like an arrow key) is
> + pressed, getch() will return 0xE0 followed by a code for the
> + extended key. We use macros to transform those into the normal
> + UNIX sequences for these keys. */
> +
> + /* Up arrow. */
> + rl_macro_bind ("\340H", "\033[A", map);
> + /* Left arrow. */
> + rl_macro_bind ("\340K", "\033[D", map);
> + /* Right arrow. */
> + rl_macro_bind ("\340M", "\033[C", map);
> + /* Down arrow. */
> + rl_macro_bind ("\340P", "\033[B", map);
> + #endif
>
> It has "\34" and "\033" on the same line so I get confused whether
> "\34" is octal or not...
That's not "\34", that's "\340". Which I guess explains the other
confusion:
> Also, I don't see any trace of the 0xE0 you mention in the comment.
340 in octal is E0 in hex. I.e., the up arrow, for example, produces
two characters: 0xE0 followed by H.
Duh! Thanks Eli.
Mark