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Diffstat (limited to 'source4/lib/replace/readline.c')
| -rw-r--r-- | source4/lib/replace/readline.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/source4/lib/replace/readline.c b/source4/lib/replace/readline.c deleted file mode 100644 index 78febf5000..0000000000 --- a/source4/lib/replace/readline.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Samba readline wrapper implementation - Copyright (C) Simo Sorce 2001 - Copyright (C) Andrew Tridgell 2001 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" -#include "pstring.h" - -#include <unistd.h> -#include "system/readline.h" - -/******************************************************************* - Similar to sys_select() but catch EINTR and continue. - This is what sys_select() used to do in Samba. -********************************************************************/ - -int sys_select_intr(int maxfd, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *tval) -{ - int ret; - fd_set *readfds2, readfds_buf, *writefds2, writefds_buf, *errorfds2, errorfds_buf; - struct timeval tval2, *ptval; - - readfds2 = (readfds ? &readfds_buf : NULL); - writefds2 = (writefds ? &writefds_buf : NULL); - errorfds2 = (errorfds ? &errorfds_buf : NULL); - ptval = (tval ? &tval2 : NULL); - - do { - if (readfds) - readfds_buf = *readfds; - if (writefds) - writefds_buf = *writefds; - if (errorfds) - errorfds_buf = *errorfds; - if (tval) - tval2 = *tval; - - /* We must use select and not sys_select here. If we use - sys_select we'd lose the fact a signal occurred when sys_select - read a byte from the pipe. Fix from Mark Weaver - <mark-clist@npsl.co.uk> - */ - - ret = select(maxfd, readfds2, writefds2, errorfds2, ptval); - } while (ret == -1 && errno == EINTR); - - if (readfds) - *readfds = readfds_buf; - if (writefds) - *writefds = writefds_buf; - if (errorfds) - *errorfds = errorfds_buf; - - return ret; -} - -/**************************************************************************** - Display the prompt and wait for input. Call callback() regularly -****************************************************************************/ - -static char *smb_readline_replacement(const char *prompt, void (*callback)(void), - char **(completion_fn)(const char *text, int start, int end)) -{ - fd_set fds; - static pstring line; - struct timeval timeout; - int fd = STDIN_FILENO; - char *ret; - - do_debug("%s", prompt); - - while (1) { - timeout.tv_sec = 5; - timeout.tv_usec = 0; - - FD_ZERO(&fds); - FD_SET(fd,&fds); - - if (sys_select_intr(fd+1,&fds,NULL,NULL,&timeout) == 1) { - ret = x_fgets(line, sizeof(line), x_stdin); - return ret; - } - if (callback) - callback(); - } -} - -/**************************************************************************** - Display the prompt and wait for input. Call callback() regularly. -****************************************************************************/ - -char *smb_readline(const char *prompt, void (*callback)(void), - char **(completion_fn)(const char *text, int start, int end)) -{ -#if HAVE_LIBREADLINE - if (isatty(STDIN_FILENO)) { - char *ret; - - /* Aargh! Readline does bizzare things with the terminal width - that mucks up expect(1). Set CLI_NO_READLINE in the environment - to force readline not to be used. */ - - if (getenv("CLI_NO_READLINE")) - return smb_readline_replacement(prompt, callback, completion_fn); - - if (completion_fn) { - /* The callback prototype has changed slightly between - different versions of Readline, so the same function - works in all of them to date, but we get compiler - warnings in some. */ - rl_attempted_completion_function = RL_COMPLETION_CAST completion_fn; - } - - if (callback) - rl_event_hook = (Function *)callback; - ret = readline(prompt); - if (ret && *ret) - add_history(ret); - return ret; - } else -#endif - return smb_readline_replacement(prompt, callback, completion_fn); -} - -/**************************************************************************** - * return line buffer text - ****************************************************************************/ -const char *smb_readline_get_line_buffer(void) -{ -#if defined(HAVE_LIBREADLINE) - return rl_line_buffer; -#else - return NULL; -#endif -} - -/**************************************************************************** - * set completion append character - ***************************************************************************/ -void smb_readline_ca_char(char c) -{ -#if defined(HAVE_LIBREADLINE) - rl_completion_append_character = c; -#endif -} - - - |