54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
|
|
* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
|
|
* RWTH Aachen University
|
|
*
|
|
* 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
|
|
*
|
|
* 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.
|
|
*
|
|
* This file is part of MetalSVM.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
|
|
/*file descriptor init*/
|
|
#define NR_OPEN 10
|
|
#define FS_INIT { [0 ... NR_OPEN-1] = {NULL, 0, 0} }
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
int i, testfile;
|
|
char* teststr;
|
|
|
|
for(i=0; environ[i]; i++)
|
|
printf("environ[%d] = %s\n", i, environ[i]);
|
|
for(i=0; i<argc; i++)
|
|
printf("argv[%d] = %s\n", i, argv[i]);
|
|
|
|
teststr = malloc(sizeof(char)*100);
|
|
if (!teststr)
|
|
return EFAULT;
|
|
|
|
testfile = open("/bin/test.txt", O_CREAT | O_EXCL, "wr");
|
|
write(testfile, "hello in new file '/bin/test.txt'", 34);
|
|
lseek(testfile, 0, SEEK_SET);
|
|
read(testfile, teststr, 100);
|
|
close(testfile);
|
|
|
|
printf("read from new file: %s\n", teststr);
|
|
|
|
return errno;
|
|
}
|