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author | wdenk <wdenk> | 2002-02-17 23:36:36 +0000 |
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committer | wdenk <wdenk> | 2002-02-17 23:36:36 +0000 |
commit | 5a2543c93bcd9446e97d60a8d3cde14c757f633c (patch) | |
tree | 801442ea2b864fa79a7f0d84cac0280131366f9a /fs/jffs2 | |
parent | 14874972cb74d62868daae8eb8088bcf58c6bf8f (diff) | |
download | bootable_bootloader_goldelico_gta04-5a2543c93bcd9446e97d60a8d3cde14c757f633c.zip bootable_bootloader_goldelico_gta04-5a2543c93bcd9446e97d60a8d3cde14c757f633c.tar.gz bootable_bootloader_goldelico_gta04-5a2543c93bcd9446e97d60a8d3cde14c757f633c.tar.bz2 |
Initial revision
Diffstat (limited to 'fs/jffs2')
-rw-r--r-- | fs/jffs2/jffs2_private.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/fs/jffs2/jffs2_private.h b/fs/jffs2/jffs2_private.h new file mode 100644 index 0000000..ca0af1f --- /dev/null +++ b/fs/jffs2/jffs2_private.h @@ -0,0 +1,78 @@ +#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 */ |