Nucleus
Barry Directory listing in VFS 2d05318 (3 years, 2 months ago)
diff --git a/vfs/ext2fs/file.c b/vfs/ext2fs/file.c
index d19df72..a84da51 100644
--- a/vfs/ext2fs/file.c
+++ b/vfs/ext2fs/file.c
@@ -1,14 +1,15 @@
#include <string.h>
+#include <errno.h>
#include <nucleus/vfs.h>
#include "ext2fs.h"
size_t ext2fs_read(File *file, char *buf, size_t size, off_t offset);
-int ext2fs_readdir(File *file, DirEntry *de, off_t index);
+int ext2fs_readdir(File *file, struct dirent *dent, off_t index);
int ext2fs_open(File *file);
FileOps ext2fsFileOps = {
.read = ext2fs_read,
-// .readdir = ext2fs_readdir,
+ .readdir = ext2fs_readdir,
.open = ext2fs_open,
};
@@ -42,8 +43,33 @@ ext2fs_read(File *file, char *buf, size_t size, off_t offset)
/* Read an ext2fs directory entry */
int
-ext2fs_readdir(File *file, DirEntry *de, off_t index)
+ext2fs_readdir(File *file, struct dirent *dent, off_t index)
{
+ char buf[PAGE_SIZE];
+ uint32_t block, blk = 0;
+ struct Ext2DirEntry *de;
+ struct Ext2Inode inode;
+ SuperBlock *sb = file->inode->super;
+ ext2fs_read_inode(sb, file->inode->ino, &inode);
+ for (blk = 0; blk < 0xFFFF; blk++) {
+ block = ext2fs_get_data_addr(sb, &inode, blk);
+ if (!block)
+ return -ENOENT;
+ ext2fs_read_block(sb, block, buf);
+ for (de = (struct Ext2DirEntry *) buf;
+ index && de < (struct Ext2DirEntry *) (buf + PAGE_SIZE);
+ de = (void *) de + de->size, index--);
+ if (de >= (struct Ext2DirEntry *) (buf + PAGE_SIZE))
+ return -ENOENT;
+ if (!index)
+ break;
+ }
+ if (!de->ino)
+ return -ENOENT;
+ dent->d_ino = de->ino;
+ dent->d_type = de->type;
+ dent->d_namelen = de->namelen + 1;
+ strncpy(dent->d_name, de->name, de->size);
return 0;
}