FreeNOS
fclose.cpp
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1 /*
2  * Copyright (C) 2009 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <unistd.h>
19 #include "stdio.h"
20 #include "stdlib.h"
21 #include "errno.h"
22 
23 int fclose(FILE *stream)
24 {
25  // Close and free
26  close(stream->fd);
27  free(stream);
28 
29  // Success
30  errno = 0;
31  return 0;
32 }
errno
C int errno
The lvalue errno is used by many functions to return error values.
close
int close(int fildes)
Close a file descriptor.
Definition: close.cpp:22
stdio.h
FILE::fd
int fd
File descriptor.
Definition: stdio.h:63
unistd.h
FILE
A structure containing information about a file.
Definition: stdio.h:60
stdlib.h
fclose
int fclose(FILE *stream)
Close a stream.
Definition: fclose.cpp:23
errno.h
free
C void free(void *ptr)
Free allocated memory.
Definition: free.cpp:22