48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#include <kernel/fs/vfs.h>
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#include <kernel/memory.h>
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#include <kernel/fs/stat.h>
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#include <lib/string.h>
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/* vfs_mkdir() - Attempts to create a directory named pathname */
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int vfs_mkdir(const char *pathname, mode_t mode)
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{
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extern struct dentry *vfs_root_node;
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struct dentry *parent_dentry;
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struct dentry *folder;
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char *name;
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// Get folder name
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name = strrchr(pathname, '/');
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name = (name == NULL) ? (void *)pathname : &name[1];
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// Get parent dentry
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parent_dentry = vfs_dentry_resolve(pathname, VFS_DENTRY_RESOLVE_FLAG_PATHNAME);
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// Check parent dentry and FS primitives
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if (parent_dentry == NULL || parent_dentry->dentry_op.inode_op->mkdir == NULL)
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return (-1);
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// Try to create new dentry
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folder = vfs_dentry_alloc(name, mode | __S_IFDIR);
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if (folder == NULL)
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return (-2);
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// Try to request new folder
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folder->inode = parent_dentry->dentry_op.inode_op->mkdir(parent_dentry->inode, name, mode);
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if (folder->inode == NULL)
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{
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vfs_dentry_free(folder);
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return (-3);
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}
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// Set FS primitives operations
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folder->dentry_op.file_op = parent_dentry->dentry_op.file_op;
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folder->dentry_op.inode_op = parent_dentry->dentry_op.inode_op;
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// Release dentry
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folder->parent = parent_dentry;
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folder->next = parent_dentry->child;
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parent_dentry->child = folder;
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return (0);
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}
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