79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
#ifndef jffs2_private_h
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#define jffs2_private_h
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#include <jffs2/jffs2.h>
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struct b_node {
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u32 offset;
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struct b_node *next;
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};
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struct b_lists {
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char *partOffset;
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struct b_node *dirListTail;
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struct b_node *dirListHead;
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u32 dirListCount;
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u32 dirListMemBase;
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struct b_node *fragListTail;
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struct b_node *fragListHead;
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u32 fragListCount;
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u32 fragListMemBase;
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};
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struct b_compr_info {
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u32 num_frags;
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u32 compr_sum;
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u32 decompr_sum;
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};
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struct b_jffs2_info {
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struct b_compr_info compr_info[JFFS2_NUM_COMPR];
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};
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static inline int
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hdr_crc(struct jffs2_unknown_node *node)
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{
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u32 crc = crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
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u32 crc_blah = crc32_no_comp(~0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
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crc_blah ^= ~0;
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if (node->hdr_crc != crc) {
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return 0;
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} else {
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return 1;
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}
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}
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static inline int
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dirent_crc(struct jffs2_raw_dirent *node)
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{
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if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_dirent) - 8)) {
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return 0;
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} else {
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return 1;
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}
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}
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static inline int
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dirent_name_crc(struct jffs2_raw_dirent *node)
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{
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if (node->name_crc != crc32_no_comp(0, (unsigned char *)&(node->name), node->nsize)) {
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return 0;
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} else {
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return 1;
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}
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}
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static inline int
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inode_crc(struct jffs2_raw_inode *node)
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{
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if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_inode) - 8)) {
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return 0;
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} else {
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return 1;
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}
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}
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#endif /* jffs2_private.h */
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