28 lines
684 B
C
28 lines
684 B
C
#include <kernel/fs/smemfs.h>
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/* smemfs_find_parent() - Return the parent inode */
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void *smemfs_find_parent(void *inode)
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{
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extern struct smemfs_superblock_s smemfs_superblock;
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uint16_t folder_id;
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// Check error.
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if (inode == NULL)
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return (NULL);
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// Check root inode
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if (inode == smemfs_superblock.sector_table)
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return (NULL);
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// Check inode validity
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if (((struct casio_smem_header_s *)inode)->info != CASIO_SMEM_HEADER_INFO_EXIST)
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return (NULL);
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// Get parent ID.
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folder_id = ((struct casio_smem_header_s *)inode)->parent.id;
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// Return first inode find
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return (smemfs_walk(inode, smemfs_superblock.inode_table, folder_id,
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WALK_FLAG_ID_CHECK_DIRECTORY));
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}
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