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7216c39 Karl Ferdinand Ebert Imported Upstream version 1.5
kfebert authored
1 /* $Id: cmd-show-environment.c 2553 2011-07-09 09:42:33Z tcunha $ */
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2
3 /*
4 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <sys/types.h>
20
21 #include <stdlib.h>
22 #include <string.h>
23
24 #include "tmux.h"
25
26 /*
27 * Show environment.
28 */
29
30 int cmd_show_environment_exec(struct cmd *, struct cmd_ctx *);
31
32 const struct cmd_entry cmd_show_environment_entry = {
33 "show-environment", "showenv",
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34 "gt:", 0, 0,
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35 "[-g] " CMD_TARGET_SESSION_USAGE,
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36 0,
37 NULL,
38 NULL,
39 cmd_show_environment_exec
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40 };
41
42 int
43 cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
44 {
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45 struct args *args = self->args;
46 struct session *s;
47 struct environ *env;
48 struct environ_entry *envent;
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49
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50 if (args_has(self->args, 'g'))
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51 env = &global_environ;
52 else {
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53 if ((s = cmd_find_session(ctx, args_get(args, 't'), 0)) == NULL)
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54 return (-1);
55 env = &s->environ;
56 }
57
58 RB_FOREACH(envent, environ, env) {
59 if (envent->value != NULL)
60 ctx->print(ctx, "%s=%s", envent->name, envent->value);
61 else
62 ctx->print(ctx, "-%s", envent->name);
63 }
64
65 return (0);
66 }
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