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/* $OpenBSD: cmd-show-environment.c,v 1.5 2012/03/22 11:11:57 nicm Exp $ */
/*
* Copyright (c) 2009 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Show environment.
*/
int cmd_show_environment_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_show_environment_entry = {
"show-environment", "showenv",
"gt:", 0, 1,
"[-g] " CMD_TARGET_SESSION_USAGE " [name]",
0,
NULL,
NULL,
cmd_show_environment_exec
};
int
cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct session *s;
struct environ *env;
struct environ_entry *envent;
if (args_has(self->args, 'g'))
env = &global_environ;
else {
if ((s = cmd_find_session(ctx, args_get(args, 't'), 0)) == NULL)
return (-1);
env = &s->environ;
}
if (args->argc != 0) {
envent = environ_find(env, args->argv[0]);
if (envent == NULL) {
ctx->error(ctx, "unknown variable: %s", args->argv[0]);
return (-1);
}
if (envent->value != NULL)
ctx->print(ctx, "%s=%s", envent->name, envent->value);
else
ctx->print(ctx, "-%s", envent->name);
return (0);
}
RB_FOREACH(envent, environ, env) {
if (envent->value != NULL)
ctx->print(ctx, "%s=%s", envent->name, envent->value);
else
ctx->print(ctx, "-%s", envent->name);
}
return (0);
}
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