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/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <dirent.h>
#include "fstest.h"
#include "fs_config.h"
#include "pmacros.h"
const char rtems_test_name[] = "FSSYMLINK " FILESYSTEM;
/*
* Test the function of symlink
*/
static void symlink_test01(void )
{
int fd;
char* file01="file";
char* symlink_file01="symlink";
char name[20];
int status;
struct stat statbuf;
size_t len=strlen(file01);
size_t name_len;
printf("Create a file named %s\n",file01);
fd=creat(file01,0777);
status=close(fd);
rtems_test_assert(status==0);
printf("Create a symlink named %s to %s\n",symlink_file01,file01);
status=symlink(file01,symlink_file01);
rtems_test_assert(status==0);
status=stat(file01,&statbuf);
rtems_test_assert(status==0);
rtems_test_assert(S_ISREG(statbuf.st_mode));
rtems_test_assert(0==statbuf.st_size);
status=lstat(symlink_file01,&statbuf);
rtems_test_assert(status==0);
rtems_test_assert(S_ISLNK(statbuf.st_mode));
rtems_test_assert(len==statbuf.st_size);
puts("call readlink ");
name_len=readlink(symlink_file01,name,sizeof(name)-1);
rtems_test_assert(name_len!=-1);
name[name_len]='\0';
rtems_test_assert(!strncmp(name,file01,name_len));
puts(name);
puts("Unlink the file");
status=unlink(file01);
rtems_test_assert(status==0);
status=lstat(symlink_file01,&statbuf);
rtems_test_assert(status==0);
rtems_test_assert(S_ISLNK(statbuf.st_mode));
rtems_test_assert(len==statbuf.st_size);
puts("call readlink ");
name_len=readlink(symlink_file01,name,sizeof(name)-1);
rtems_test_assert(name_len!=-1);
name[name_len]='\0';
rtems_test_assert(!strncmp(name,file01,name_len));
status=unlink(symlink_file01);
rtems_test_assert(status==0);
printf("Create a dir named %s\n",file01);
status=mkdir (file01,0777);
printf("Create a symlink named %s to %s\n",symlink_file01,file01);
status=symlink(file01,symlink_file01);
rtems_test_assert(status==0);
status=lstat(symlink_file01,&statbuf);
rtems_test_assert(status==0);
rtems_test_assert(S_ISLNK(statbuf.st_mode));
rtems_test_assert(len==statbuf.st_size);
puts("call readlink ");
name_len=readlink(symlink_file01,name,sizeof(name)-1);
rtems_test_assert(name_len!=-1);
name[name_len]='\0';
rtems_test_assert(!strncmp(name,file01,name_len));
name_len=readlink(symlink_file01,name,3);
rtems_test_assert(name_len!=-1);
name[name_len]='\0';
rtems_test_assert(!strncmp(name,file01,name_len));
puts("rmdir the dir");
status=rmdir(file01);
rtems_test_assert(status==0);
status=lstat(symlink_file01,&statbuf);
rtems_test_assert(status==0);
rtems_test_assert(S_ISLNK(statbuf.st_mode));
status=unlink(symlink_file01);
rtems_test_assert(status==0);
}
/*
* symlink loop error test
*/
static void symlink_loop_error_test(void )
{
char* file01="file01";
char* file02="file02";
char* file04="file04";
char* path="file01/t";
int status;
mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
puts("symlink loop erro test");
status=symlink(file01,file02);
rtems_test_assert(status==0);
status=symlink(file02,file01);
rtems_test_assert(status==0);
EXPECT_ERROR(ELOOP,creat,path,mode);
EXPECT_ERROR(ELOOP,open,path,O_CREAT|O_WRONLY,mode);
EXPECT_ERROR(ELOOP,truncate,path,0);
EXPECT_ERROR(ELOOP,rename,path,file04);
EXPECT_ERROR(ELOOP,unlink,path);
EXPECT_ERROR(ELOOP,mkdir,path,mode);
EXPECT_ERROR(ELOOP,rmdir,path);
}
void test(void )
{
symlink_test01();
symlink_loop_error_test();
}
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