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bug#19191: 24.4; su command in *shell* buffer does not work
From: |
白井彰 |
Subject: |
bug#19191: 24.4; su command in *shell* buffer does not work |
Date: |
Tue, 14 Apr 2015 01:43:30 +0900 |
"su: Sorry" also occurs on Emacs 24.5.
% gzcat emacs-24.3.tar.gz | tar xfp -
% (cd emacs-24.3; ./configure --with-jpeg=no --with-gif=no; make)
% gzcat emacs-24.5.tar.gz | tar xfp -
% (cd emacs-24.5; ./configure --with-jpeg=no --with-gif=no; make)
% grep '#.*PTY' emacs-24.3/src/config.h > /tmp/config.h_PTY_emacs-24.3
% grep '#.*PTY' emacs-24.5/src/config.h > /tmp/config.h_PTY_emacs-24.5
% diff /tmp/config.h_PTY_emacs-24.3 /tmp/config.h_PTY_emacs-24.5
9c9
< #define PTY_TTY_NAME_SPRINTF { char *ptsname (int), *ptyname; int
grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked,
SIGCLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt
(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 ||
unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return
-1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); }
---
> #define PTY_TTY_NAME_SPRINTF { char *ptsname (int), *ptyname; int
> grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset
> (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result
> = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if
> (grantpt_result == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) {
> emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s",
> ptyname); }
% cat /tmp/config.h_PTY_emacs-24.3 | grep PTY_TTY_NAME_SPRINTF | sed
's/#define//' | indent -st > /tmp/config.h_PTY_emacs-24.3_indent-st
% cat /tmp/config.h_PTY_emacs-24.5 | grep PTY_TTY_NAME_SPRINTF | sed
's/#define//' | indent -st > /tmp/config.h_PTY_emacs-24.5_indent-st
% diff /tmp/config.h_PTY_emacs-24.3_indent-st
/tmp/config.h_PTY_emacs-24.5_indent-st
6c6
< sigaddset(&blocked, SIGCLD);
---
> sigaddset(&blocked, SIGCHLD);
13c13
< } snprintf(pty_name, sizeof pty_name, "%s", ptyname);
---
> } snprintf(pty_name, PTY_NAME_SIZE, "%s", ptyname);
% (cd emacs-24.5/src; ./emacs -Q)
M-x shell
Warning: no access to tty; thus no job control in this shell...
% su
su: Sorry
%
=> su command in *shell* buffer does not work.
su does not ask for the password and exits with "su: Sorry".