From: Jan Chaloupka <jchaloup@redhat.com>
To: zsh-workers@zsh.org
Subject: Re: [PATCH] zsh.1,zshall.1: missing b emulation option in man page
Date: Fri, 13 Jun 2014 10:48:22 +0200 [thread overview]
Message-ID: <539ABAD6.7040208@redhat.com> (raw)
In-Reply-To: <20140602150632.16888.49288.stgit@unused-4-157.brq.redhat.com>
On 06/02/2014 05:06 PM, jchaloup wrote:
> In COMPATIBILITY section of zsh(all) man page doesn't cover that sh emulation is triggered also if the first letter of the name by which it was invoked is 'b'.
>
> However in the code ./zsh-4.3.10/Src/options.c the intention is clear:
>
> void
> emulate(const char *zsh_name, int fully)
> {
> char ch = *zsh_name;
>
> if (ch == 'r')
> ch = zsh_name[1];
>
> /* Work out the new emulation mode */
> if (ch == 'c')
> emulation = EMULATE_CSH;
> else if (ch == 'k')
> emulation = EMULATE_KSH;
> else if (ch == 's' || ch == 'b')
> emulation = EMULATE_SH;
> else
> emulation = EMULATE_ZSH;
>
> if (fully)
> emulation |= EMULATE_FULLY;
> installemulation();
> }
>
> Signed-off-by: Filip Krska <fkrska@redhat.com>
> [jchaloup@redhat.com: corrected for upstream patch]
> Signed-off-by: Jan Chaloupka <jchaloup@redhat.com>
> ---
> Doc/Zsh/compat.yo | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Doc/Zsh/compat.yo b/Doc/Zsh/compat.yo
> index bf97fe2..f1be15f 100644
> --- a/Doc/Zsh/compat.yo
> +++ b/Doc/Zsh/compat.yo
> @@ -6,7 +6,7 @@ cindex(ksh compatibility)
> Zsh tries to emulate bf(sh) or bf(ksh) when it is invoked as
> tt(sh) or tt(ksh) respectively; more precisely, it looks at the first
> letter of the name by which it was invoked, excluding any initial `tt(r)'
> -(assumed to stand for `restricted'), and if that is `tt(s)' or `tt(k)' it
> +(assumed to stand for `restricted'), and if that is `tt(b)', `tt(s)' or `tt(k)' it
> will emulate bf(sh) or bf(ksh). Furthermore, if invoked as tt(su) (which
> happens on certain systems when the shell is executed by the tt(su)
> command), the shell will try to find an alternative name from the tt(SHELL)
>
Ping
prev parent reply other threads:[~2014-06-13 9:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-02 15:06 jchaloup
2014-06-13 8:48 ` Jan Chaloupka [this message]
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