Annotation of prex-old/usr/server/fs/ramfs/ramfs.h, Revision 1.1
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: #include <sys/syslog.h>
! 36:
! 37: #ifdef DEBUG
! 38: /* #define DEBUG_RAMFS 1 */
! 39: #endif
! 40:
! 41: #ifdef DEBUG_RAMFS
! 42: #define dprintf(fmt, args...) syslog(LOG_DEBUG, "ramfs: " fmt, ## args)
! 43: #define ASSERT(e) assert(e)
! 44: #else
! 45: #define dprintf(fmt...) do {} while (0)
! 46: #define ASSERT(e)
! 47: #endif
! 48:
! 49: #if CONFIG_FS_THREADS > 1
! 50: #define malloc(s) malloc_r(s)
! 51: #define free(p) free_r(p)
! 52: #else
! 53: #define mutex_init(m) do {} while (0)
! 54: #define mutex_destroy(m) do {} while (0)
! 55: #define mutex_lock(m) do {} while (0)
! 56: #define mutex_unlock(m) do {} while (0)
! 57: #define mutex_trylock(m) do {} while (0)
! 58: #endif
! 59:
! 60: /*
! 61: * File/directory node for RAMFS
! 62: */
! 63: struct ramfs_node {
! 64: struct ramfs_node *next; /* next node in the same directory */
! 65: struct ramfs_node *child; /* first child node */
! 66: int type; /* file or directory */
! 67: char *name; /* name (null-terminated) */
! 68: size_t namelen; /* length of name not including terminator */
! 69: size_t size; /* file size */
! 70: char *buf; /* buffer to the file data */
! 71: size_t bufsize; /* allocated buffer size */
! 72: };
! 73:
! 74: extern struct ramfs_node *ramfs_allocate_node(char *name, int type);
! 75: extern void ramfs_free_node(struct ramfs_node *node);
! 76:
! 77: #endif /* !_RAMFS_H */
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