Annotation of prex-old/usr/server/fs/ramfs/ramfs.h, Revision 1.1.1.1.2.1
1.1 nbrk 1: /*
2: * Copyright (c) 2006-2007, Kohsuke Ohtani
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: #ifndef _RAMFS_H
31: #define _RAMFS_H
32:
33: #include <prex/prex.h>
34: #include <sys/types.h>
35:
36: /* #define DEBUG_RAMFS 1 */
37:
38: #ifdef DEBUG_RAMFS
1.1.1.1.2.1! nbrk 39: #define DPRINTF(a) dprintf a
! 40: #define ASSERT(e) assert(e)
1.1 nbrk 41: #else
1.1.1.1.2.1! nbrk 42: #define DPRINTF(a) do {} while (0)
1.1 nbrk 43: #define ASSERT(e)
44: #endif
45:
46: #if CONFIG_FS_THREADS > 1
47: #define malloc(s) malloc_r(s)
48: #define free(p) free_r(p)
49: #else
50: #define mutex_init(m) do {} while (0)
51: #define mutex_destroy(m) do {} while (0)
52: #define mutex_lock(m) do {} while (0)
53: #define mutex_unlock(m) do {} while (0)
54: #define mutex_trylock(m) do {} while (0)
55: #endif
56:
57: /*
58: * File/directory node for RAMFS
59: */
60: struct ramfs_node {
1.1.1.1.2.1! nbrk 61: struct ramfs_node *rn_next; /* next node in the same directory */
! 62: struct ramfs_node *rn_child; /* first child node */
! 63: int rn_type; /* file or directory */
! 64: char *rn_name; /* name (null-terminated) */
! 65: size_t rn_namelen; /* length of name not including terminator */
! 66: size_t rn_size; /* file size */
! 67: char *rn_buf; /* buffer to the file data */
! 68: size_t rn_bufsize; /* allocated buffer size */
1.1 nbrk 69: };
70:
71: extern struct ramfs_node *ramfs_allocate_node(char *name, int type);
72: extern void ramfs_free_node(struct ramfs_node *node);
73:
74: #endif /* !_RAMFS_H */
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