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/* Jim - POSIX extension
* Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
*
* $Id: jim-posix.c,v 1.8 2005/03/04 12:32:21 antirez Exp $
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* A copy of the license is also included in the source distribution
* of Jim, as a TXT file name called LICENSE.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#define JIM_EXTENSION
#include "jim.h"
extern int errno;
static void Jim_PosixSetError(Jim_Interp *interp)
{
Jim_SetResultString(interp, strerror(errno), -1);
}
static int Jim_PosixForkCommand(Jim_Interp *interp, int argc,
Jim_Obj *const *argv)
{
JIM_NOTUSED(argv);
pid_t pid;
if (argc != 1) {
Jim_WrongNumArgs(interp, 1, argv, "");
return JIM_ERR;
}
if ((pid = fork()) == -1) {
Jim_SetResultString(interp, strerror(errno), -1);
return JIM_ERR;
}
Jim_SetResult(interp, Jim_NewIntObj(interp, (jim_wide)pid));
return JIM_OK;
}
static int Jim_PosixSleepCommand(Jim_Interp *interp, int argc,
Jim_Obj *const *argv)
{
long longValue;
if (argc != 2) {
Jim_WrongNumArgs(interp, 1, argv, "?seconds?");
return JIM_ERR;
}
if (Jim_GetLong(interp, argv[1], &longValue) != JIM_OK)
return JIM_ERR;
sleep(longValue);
return JIM_OK;
}
static int Jim_PosixGetidsCommand(Jim_Interp *interp, int argc,
Jim_Obj *const *argv)
{
Jim_Obj *objv[8];
if (argc != 1) {
Jim_WrongNumArgs(interp, 1, argv, "");
return JIM_ERR;
}
objv[0] = Jim_NewStringObj(interp, "uid", -1);
objv[1] = Jim_NewIntObj(interp, getuid());
objv[2] = Jim_NewStringObj(interp, "euid", -1);
objv[3] = Jim_NewIntObj(interp, geteuid());
objv[4] = Jim_NewStringObj(interp, "gid", -1);
objv[5] = Jim_NewIntObj(interp, getgid());
objv[6] = Jim_NewStringObj(interp, "egid", -1);
objv[7] = Jim_NewIntObj(interp, getegid());
Jim_SetResult(interp, Jim_NewListObj(interp, objv, 8));
return JIM_OK;
}
#define JIM_HOST_NAME_MAX 1024
static int Jim_PosixGethostnameCommand(Jim_Interp *interp, int argc,
Jim_Obj *const *argv)
{
char buf[JIM_HOST_NAME_MAX];
if (argc != 1) {
Jim_WrongNumArgs(interp, 1, argv, "");
return JIM_ERR;
}
if (gethostname(buf, JIM_HOST_NAME_MAX) == -1) {
Jim_PosixSetError(interp);
return JIM_ERR;
}
Jim_SetResultString(interp, buf, -1);
return JIM_OK;
}
static int Jim_PosixSethostnameCommand(Jim_Interp *interp, int argc,
Jim_Obj *const *argv)
{
const char *hostname;
int len;
if (argc != 2) {
Jim_WrongNumArgs(interp, 1, argv, "hostname");
return JIM_ERR;
}
hostname = Jim_GetString(argv[1], &len);
if (sethostname(hostname, len) == -1) {
Jim_PosixSetError(interp);
return JIM_ERR;
}
return JIM_OK;
}
int Jim_OnLoad(Jim_Interp *interp)
{
Jim_InitExtension(interp, "1.0");
Jim_CreateCommand(interp, "os.fork", Jim_PosixForkCommand, NULL);
Jim_CreateCommand(interp, "os.sleep", Jim_PosixSleepCommand, NULL);
Jim_CreateCommand(interp, "os.getids", Jim_PosixGetidsCommand, NULL);
Jim_CreateCommand(interp, "os.gethostname", Jim_PosixGethostnameCommand, NULL);
Jim_CreateCommand(interp, "os.sethostname", Jim_PosixSethostnameCommand, NULL);
return JIM_OK;
}
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