mirror of https://github.com/tmux/tmux.git
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/* $Id: cmd-set-environment.c,v 1.3 2009-11-14 17:56:39 tcunha 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"
|
|
|
|
/*
|
|
* Set an environment variable.
|
|
*/
|
|
|
|
int cmd_set_environment_exec(struct cmd *, struct cmd_ctx *);
|
|
|
|
const struct cmd_entry cmd_set_environment_entry = {
|
|
"set-environment", "setenv",
|
|
"[-gru] " CMD_TARGET_SESSION_USAGE " name [value]",
|
|
CMD_ARG12, "gru",
|
|
NULL,
|
|
cmd_target_parse,
|
|
cmd_set_environment_exec,
|
|
cmd_target_free,
|
|
cmd_target_print
|
|
};
|
|
|
|
int
|
|
cmd_set_environment_exec(struct cmd *self, struct cmd_ctx *ctx)
|
|
{
|
|
struct cmd_target_data *data = self->data;
|
|
struct session *s;
|
|
struct environ *env;
|
|
|
|
if (*data->arg == '\0') {
|
|
ctx->error(ctx, "empty variable name");
|
|
return (-1);
|
|
}
|
|
if (strchr(data->arg, '=') != NULL) {
|
|
ctx->error(ctx, "variable name contains =");
|
|
return (-1);
|
|
}
|
|
|
|
if (cmd_check_flag(data->chflags, 'g'))
|
|
env = &global_environ;
|
|
else {
|
|
if ((s = cmd_find_session(ctx, data->target)) == NULL)
|
|
return (-1);
|
|
env = &s->environ;
|
|
}
|
|
|
|
if (cmd_check_flag(data->chflags, 'u')) {
|
|
if (data->arg2 != NULL) {
|
|
ctx->error(ctx, "can't specify a value with -u");
|
|
return (-1);
|
|
}
|
|
environ_unset(env, data->arg);
|
|
} else if (cmd_check_flag(data->chflags, 'r')) {
|
|
if (data->arg2 != NULL) {
|
|
ctx->error(ctx, "can't specify a value with -r");
|
|
return (-1);
|
|
}
|
|
environ_set(env, data->arg, NULL);
|
|
} else {
|
|
if (data->arg2 == NULL) {
|
|
ctx->error(ctx, "no value specified");
|
|
return (-1);
|
|
}
|
|
environ_set(env, data->arg, data->arg2);
|
|
}
|
|
|
|
return (0);
|
|
}
|