version 1.20, 2016/10/14 22:14:22 |
version 1.21, 2016/10/16 19:04:05 |
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* Set an environment variable. |
* Set an environment variable. |
*/ |
*/ |
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static enum cmd_retval cmd_set_environment_exec(struct cmd *, struct cmd_q *); |
static enum cmd_retval cmd_set_environment_exec(struct cmd *, |
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struct cmdq_item *); |
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const struct cmd_entry cmd_set_environment_entry = { |
const struct cmd_entry cmd_set_environment_entry = { |
.name = "set-environment", |
.name = "set-environment", |
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}; |
}; |
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static enum cmd_retval |
static enum cmd_retval |
cmd_set_environment_exec(struct cmd *self, struct cmd_q *cmdq) |
cmd_set_environment_exec(struct cmd *self, struct cmdq_item *item) |
{ |
{ |
struct args *args = self->args; |
struct args *args = self->args; |
struct environ *env; |
struct environ *env; |
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name = args->argv[0]; |
name = args->argv[0]; |
if (*name == '\0') { |
if (*name == '\0') { |
cmdq_error(cmdq, "empty variable name"); |
cmdq_error(item, "empty variable name"); |
return (CMD_RETURN_ERROR); |
return (CMD_RETURN_ERROR); |
} |
} |
if (strchr(name, '=') != NULL) { |
if (strchr(name, '=') != NULL) { |
cmdq_error(cmdq, "variable name contains ="); |
cmdq_error(item, "variable name contains ="); |
return (CMD_RETURN_ERROR); |
return (CMD_RETURN_ERROR); |
} |
} |
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if (args_has(self->args, 'g')) |
if (args_has(self->args, 'g')) |
env = global_environ; |
env = global_environ; |
else { |
else { |
if (cmdq->state.tflag.s == NULL) { |
if (item->state.tflag.s == NULL) { |
target = args_get(args, 't'); |
target = args_get(args, 't'); |
if (target != NULL) |
if (target != NULL) |
cmdq_error(cmdq, "no such session: %s", target); |
cmdq_error(item, "no such session: %s", target); |
else |
else |
cmdq_error(cmdq, "no current session"); |
cmdq_error(item, "no current session"); |
return (CMD_RETURN_ERROR); |
return (CMD_RETURN_ERROR); |
} |
} |
env = cmdq->state.tflag.s->environ; |
env = item->state.tflag.s->environ; |
} |
} |
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if (args_has(self->args, 'u')) { |
if (args_has(self->args, 'u')) { |
if (value != NULL) { |
if (value != NULL) { |
cmdq_error(cmdq, "can't specify a value with -u"); |
cmdq_error(item, "can't specify a value with -u"); |
return (CMD_RETURN_ERROR); |
return (CMD_RETURN_ERROR); |
} |
} |
environ_unset(env, name); |
environ_unset(env, name); |
} else if (args_has(self->args, 'r')) { |
} else if (args_has(self->args, 'r')) { |
if (value != NULL) { |
if (value != NULL) { |
cmdq_error(cmdq, "can't specify a value with -r"); |
cmdq_error(item, "can't specify a value with -r"); |
return (CMD_RETURN_ERROR); |
return (CMD_RETURN_ERROR); |
} |
} |
environ_clear(env, name); |
environ_clear(env, name); |
} else { |
} else { |
if (value == NULL) { |
if (value == NULL) { |
cmdq_error(cmdq, "no value specified"); |
cmdq_error(item, "no value specified"); |
return (CMD_RETURN_ERROR); |
return (CMD_RETURN_ERROR); |
} |
} |
environ_set(env, name, "%s", value); |
environ_set(env, name, "%s", value); |