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/*
* SPL - The SPL Programming Language
* Copyright (C) 2004, 2005 Clifford Wolf <clifford@clifford.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* mod_environ.c: A module for accessing environment variables
*/
/**
* A module for accessing environment variables
*/
#include <stdlib.h>
#include "spl.h"
#include "compat.h"
/**
* This namespace contains all environment variables. It is possible to create,
* modify and remove entries:
*
* environ.PATH ~= ":${environ.HOME}/bin";
*
*/
// namespace environ;
extern void SPL_ABI(spl_mod_environ_init)(struct spl_vm *vm, struct spl_module *mod, int restore);
extern void SPL_ABI(spl_mod_environ_done)(struct spl_vm *vm, struct spl_module *mod);
static void handler_environ(struct spl_task *task UNUSED, struct spl_vm *vm UNUSED,
struct spl_node *node UNUSED, struct spl_hnode_args *args, void *data UNUSED)
{
if (args->action == SPL_HNODE_ACTION_LOOKUP)
{
const char *key = args->key;
char *env_name = spl_hash_decode(key);
char *value = getenv(env_name);
if (value)
args->value = SPL_NEW_STRING_DUP(value);
free(env_name);
return;
}
if (args->action == SPL_HNODE_ACTION_CREATE)
{
const char *key = args->key;
char *env_name = spl_hash_decode(key);
#ifdef USEIRIXAPI
char *env;
my_asprintf(&env, "%s=%s", env_name, spl_get_string(args->value));
putenv(env);
#else
setenv(env_name, spl_get_string(args->value), 1);
#endif
free(env_name);
return;
}
if (args->action == SPL_HNODE_ACTION_DELETE)
{
const char *key = args->key;
char *env_name = spl_hash_decode(key);
#ifdef USEIRIXAPI
putenv(env_name);
#else
unsetenv(env_name);
free(env_name);
#endif
return;
}
}
void SPL_ABI(spl_mod_environ_init)(struct spl_vm *vm, struct spl_module *mod, int restore)
{
spl_hnode_reg(vm, "environ", handler_environ, 0);
if ( !restore )
spl_hnode(vm, vm->root, "environ", "environ", mod);
}
void SPL_ABI(spl_mod_environ_done)(struct spl_vm *vm UNUSED, struct spl_module *mod UNUSED)
{
return;
}
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