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80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Show environment.
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*/
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int cmd_show_environment_exec(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_show_environment_entry = {
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"show-environment", "showenv",
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"gt:", 0, 1,
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"[-g] " CMD_TARGET_SESSION_USAGE " [name]",
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0,
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NULL,
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NULL,
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cmd_show_environment_exec
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};
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int
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cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct args *args = self->args;
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struct session *s;
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struct environ *env;
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struct environ_entry *envent;
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if (args_has(self->args, 'g'))
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env = &global_environ;
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else {
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if ((s = cmd_find_session(ctx, args_get(args, 't'), 0)) == NULL)
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return (-1);
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env = &s->environ;
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}
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if (args->argc != 0) {
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envent = environ_find(env, args->argv[0]);
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if (envent == NULL) {
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ctx->error(ctx, "unknown variable: %s", args->argv[0]);
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return (-1);
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}
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if (envent->value != NULL)
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ctx->print(ctx, "%s=%s", envent->name, envent->value);
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else
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ctx->print(ctx, "-%s", envent->name);
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return (0);
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}
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RB_FOREACH(envent, environ, env) {
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if (envent->value != NULL)
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ctx->print(ctx, "%s=%s", envent->name, envent->value);
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else
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ctx->print(ctx, "-%s", envent->name);
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}
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return (0);
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}
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