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author | Jelmer Vernooij <jelmer@samba.org> | 2005-12-29 23:14:33 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:49:00 -0500 |
commit | 46aa296cc94933082dbb4b9b2b1ed210a600ad2d (patch) | |
tree | 4ff030226a04636e81e4e08009f817803e78f4a5 /source4/lib/replace/readline.c | |
parent | e7303fc26737486b81978e3caa77dc202fac45fa (diff) | |
download | samba-46aa296cc94933082dbb4b9b2b1ed210a600ad2d.tar.gz samba-46aa296cc94933082dbb4b9b2b1ed210a600ad2d.tar.bz2 samba-46aa296cc94933082dbb4b9b2b1ed210a600ad2d.zip |
r12592: Remove some useless dependencies
(This used to be commit ca8db1a0cd77682ac2c6dc4718f5d753a4fcc4db)
Diffstat (limited to 'source4/lib/replace/readline.c')
-rw-r--r-- | source4/lib/replace/readline.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/source4/lib/replace/readline.c b/source4/lib/replace/readline.c new file mode 100644 index 0000000000..52f45eb759 --- /dev/null +++ b/source4/lib/replace/readline.c @@ -0,0 +1,119 @@ +/* + 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" + +/**************************************************************************** + 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 +} + + + |