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| author | Roland McGrath <roland@gnu.org> | 2000-02-04 03:21:18 +0000 |
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| committer | Roland McGrath <roland@gnu.org> | 2000-02-04 03:21:18 +0000 |
| commit | 9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb (patch) | |
| tree | 8845b79f170028cb4380045c50277bbf075b5b7d /pfinet/linux-src/include/linux/efs_dir.h | |
| download | hurd-9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb.tar.gz hurd-9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb.tar.bz2 hurd-9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb.zip | |
Import of Linux 2.2.12 subset (ipv4 stack and related)
Diffstat (limited to 'pfinet/linux-src/include/linux/efs_dir.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/efs_dir.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/efs_dir.h b/pfinet/linux-src/include/linux/efs_dir.h new file mode 100644 index 00000000..33152413 --- /dev/null +++ b/pfinet/linux-src/include/linux/efs_dir.h @@ -0,0 +1,42 @@ +/* + * efs_dir.h + * + * Copyright (c) 1999 Al Smith + */ + +#ifndef __EFS_DIR_H__ +#define __EFS_DIR_H__ + +#define EFS_DIRBSIZE_BITS EFS_BLOCKSIZE_BITS +#define EFS_DIRBSIZE (1 << EFS_DIRBSIZE_BITS) + +struct efs_dentry { + unsigned int inode; + unsigned char namelen; + char name[3]; +}; + +#define EFS_DENTSIZE (sizeof(struct efs_dentry) - 3 + 1) +#define EFS_MAXNAMELEN ((1 << (sizeof(char) * 8)) - 1) + +#define EFS_DIRBLK_HEADERSIZE 4 +#define EFS_DIRBLK_MAGIC 0xbeef /* moo */ + +struct efs_dir { + unsigned short magic; + unsigned char firstused; + unsigned char slots; + + unsigned char space[EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE]; +}; + +#define EFS_MAXENTS \ + ((EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE) / \ + (EFS_DENTSIZE + sizeof(char))) + +#define EFS_SLOTAT(dir, slot) EFS_REALOFF((dir)->space[slot]) + +#define EFS_REALOFF(offset) ((offset << 1)) + +#endif /* __EFS_DIR_H__ */ + |