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wdenk 2002-02-17 23:36:36 +00:00
parent 14874972cb
commit 5a2543c93b
1 changed files with 78 additions and 0 deletions
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78
fs/jffs2/jffs2_private.h Normal file
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#ifndef jffs2_private_h
#define jffs2_private_h
#include <jffs2/jffs2.h>
struct b_node {
u32 offset;
struct b_node *next;
};
struct b_lists {
char *partOffset;
struct b_node *dirListTail;
struct b_node *dirListHead;
u32 dirListCount;
u32 dirListMemBase;
struct b_node *fragListTail;
struct b_node *fragListHead;
u32 fragListCount;
u32 fragListMemBase;
};
struct b_compr_info {
u32 num_frags;
u32 compr_sum;
u32 decompr_sum;
};
struct b_jffs2_info {
struct b_compr_info compr_info[JFFS2_NUM_COMPR];
};
static inline int
hdr_crc(struct jffs2_unknown_node *node)
{
u32 crc = crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
u32 crc_blah = crc32_no_comp(~0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
crc_blah ^= ~0;
if (node->hdr_crc != crc) {
return 0;
} else {
return 1;
}
}
static inline int
dirent_crc(struct jffs2_raw_dirent *node)
{
if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_dirent) - 8)) {
return 0;
} else {
return 1;
}
}
static inline int
dirent_name_crc(struct jffs2_raw_dirent *node)
{
if (node->name_crc != crc32_no_comp(0, (unsigned char *)&(node->name), node->nsize)) {
return 0;
} else {
return 1;
}
}
static inline int
inode_crc(struct jffs2_raw_inode *node)
{
if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_inode) - 8)) {
return 0;
} else {
return 1;
}
}
#endif /* jffs2_private.h */