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tmate/cmd-has-session.c

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Sync OpenBSD patchset 829: Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
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/* $Id: cmd-has-session.c,v 1.16 2011-01-07 14:45:34 tcunha Exp $ */
has-session command.
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/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include "tmux.h"
/*
Last bits of basic configuration file. By default in ~/.tmux.conf or specified with -f. Just a list of tmux commands executed when the server is started and before and any session/window is created.
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* Cause client to report an error and exit with 1 if session doesn't exist.
has-session command.
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*/
Pass return code from _exec; allow command sequences to work from the command line.
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int cmd_has_session_exec(struct cmd *, struct cmd_ctx *);
has-session command.
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const struct cmd_entry cmd_has_session_entry = {
Move -s and -c down a level so handling them is the responsibility of the command (with some helper functions), rather than the top-level. This changes the action command syntax so that -s and -c must be after the command rather than before.
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"has-session", "has",
Sync OpenBSD patchset 829: Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-07 15:45:34 +01:00
"t:", 0, 0,
Big reorganisation of command-line syntax.
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CMD_TARGET_SESSION_USAGE,
Sync OpenBSD patchset 829: Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-07 15:45:34 +01:00
0,
NULL,
NULL,
cmd_has_session_exec
has-session command.
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};
Pass return code from _exec; allow command sequences to work from the command line.
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int
Easy bits of arg printing for list-keys.
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cmd_has_session_exec(struct cmd *self, struct cmd_ctx *ctx)
has-session command.
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{
Sync OpenBSD patchset 829: Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-07 15:45:34 +01:00
struct args *args = self->args;
Last bits of basic configuration file. By default in ~/.tmux.conf or specified with -f. Just a list of tmux commands executed when the server is started and before and any session/window is created.
2008-06-02 23:08:36 +02:00
Sync OpenBSD patchset 829: Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-07 15:45:34 +01:00
if (cmd_find_session(ctx, args_get(args, 't')) == NULL)
Pass return code from _exec; allow command sequences to work from the command line.
2009-01-19 19:23:40 +01:00
return (-1);
Last bits of basic configuration file. By default in ~/.tmux.conf or specified with -f. Just a list of tmux commands executed when the server is started and before and any session/window is created.
2008-06-02 23:08:36 +02:00
Pass return code from _exec; allow command sequences to work from the command line.
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return (0);
has-session command.
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}
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