mirror of
https://github.com/tmux/tmux.git
synced 2024-11-05 10:28:48 +00:00
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
|
|
*
|
|
* 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"
|
|
|
|
/*
|
|
* Set an environment variable.
|
|
*/
|
|
|
|
static enum cmd_retval cmd_set_environment_exec(struct cmd *, struct cmd_q *);
|
|
|
|
const struct cmd_entry cmd_set_environment_entry = {
|
|
.name = "set-environment",
|
|
.alias = "setenv",
|
|
|
|
.args = { "grt:u", 1, 2 },
|
|
.usage = "[-gru] " CMD_TARGET_SESSION_USAGE " name [value]",
|
|
|
|
.tflag = CMD_SESSION_CANFAIL,
|
|
|
|
.flags = 0,
|
|
.exec = cmd_set_environment_exec
|
|
};
|
|
|
|
static enum cmd_retval
|
|
cmd_set_environment_exec(struct cmd *self, struct cmd_q *cmdq)
|
|
{
|
|
struct args *args = self->args;
|
|
struct environ *env;
|
|
const char *name, *value, *target;
|
|
|
|
name = args->argv[0];
|
|
if (*name == '\0') {
|
|
cmdq_error(cmdq, "empty variable name");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
if (strchr(name, '=') != NULL) {
|
|
cmdq_error(cmdq, "variable name contains =");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
|
|
if (args->argc < 2)
|
|
value = NULL;
|
|
else
|
|
value = args->argv[1];
|
|
|
|
if (args_has(self->args, 'g'))
|
|
env = global_environ;
|
|
else {
|
|
if (cmdq->state.tflag.s == NULL) {
|
|
target = args_get(args, 't');
|
|
if (target != NULL)
|
|
cmdq_error(cmdq, "no such session: %s", target);
|
|
else
|
|
cmdq_error(cmdq, "no current session");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
env = cmdq->state.tflag.s->environ;
|
|
}
|
|
|
|
if (args_has(self->args, 'u')) {
|
|
if (value != NULL) {
|
|
cmdq_error(cmdq, "can't specify a value with -u");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
environ_unset(env, name);
|
|
} else if (args_has(self->args, 'r')) {
|
|
if (value != NULL) {
|
|
cmdq_error(cmdq, "can't specify a value with -r");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
environ_clear(env, name);
|
|
} else {
|
|
if (value == NULL) {
|
|
cmdq_error(cmdq, "no value specified");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
environ_set(env, name, "%s", value);
|
|
}
|
|
|
|
return (CMD_RETURN_NORMAL);
|
|
}
|