52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
#include <kernel/fs/vfs.h>
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#include <kernel/fs/stat.h>
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#include <kernel/util/debug.h>
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/* vfs_open() - Open file named pathname */
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int vfs_open(FILE *file, char const *pathname, int flags)
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{
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struct dentry *dentry;
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// Get target inode.
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dentry = vfs_dentry_resolve(pathname, 0);
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if (dentry == NULL)
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{
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kvram_clear();
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printk(0, 0, "VFS_open() error !");
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printk(0, 1, "path error '%s'", pathname);
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kvram_display();
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DBG_WAIT;
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return (-1);
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}
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// Check directory.
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if ((dentry->mode & __S_IFDIR) != 0)
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{
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kvram_clear();
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printk(0, 0, "VFS_open(): file type error '%s'", pathname);
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kvram_display();
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DBG_WAIT;
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return (-2);
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}
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// Debug
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kvram_clear();
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printk(0, 0, "vfs_open(): inode found !");
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printk(0, 1, "path: %s", pathname);
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printk(0, 2, "name: %s", dentry->name);
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printk(0, 3, "inode: %p", dentry->inode);
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printk(0, 4, "file_op: %p", dentry->dentry_op.file_op);
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kvram_display();
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DBG_WAIT;
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// Update interne dentry counter
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dentry->counter = dentry->counter + 1;
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// Initialize new file.
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file->private = dentry;
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file->permission = dentry->mode & (~__S_IFMT);
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file->file_op = dentry->dentry_op.file_op;
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file->cursor = 0;
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return (0);
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}
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