chore: sync repo

libfs/dir.c

@@ -65,7 +65,73 @@ fs_dir_link(struct fs_inode *dp, const char *name, uint32_t inum)
 	{
 		return (-1);
 	}
-	fs_inode_update(dp);
+
+	ip = fs_inode_get(dp->super, inum);
+	if (ip->valid == 0)
+	  {
+	    fs_inode_read(ip);
+	  }
+	ip->inode.nlink += 1;
+
+	fs_inode_update(ip);
+	fs_inode_release(ip);
 
 	return (0);
 }
+
+int
+fs_dir_unlink(struct fs_inode *dp, const char *name)
+{
+  int offset;
+  struct fs_inode *ip;
+  struct stpdfs_dirent dirent;
+
+  ip = fs_dir_lookup(dp, name, 0);
+  if (ip == NULL)
+    {
+      return (-1);
+    }
+
+  ip->inode.nlink -= 1;
+
+  fs_inode_update(ip);
+  fs_inode_release(ip);
+
+  for (offset = 0; offset < dp->inode.size; offset += STPDFS_DIRENT_SIZE)
+    {
+      fs_read(dp, (uint8_t *)&dirent, offset, STPDFS_DIRENT_SIZE);
+      if (strncmp(dirent.filename, name, STPDFS_NAME_MAX) == 0)
+	{
+	  memset(dirent.filename, 0, STPDFS_NAME_MAX);
+	  dirent.inode = 0;
+	  fs_write(dp, (uint8_t *)&dirent, offset, STPDFS_DIRENT_SIZE);
+	  break;
+	}
+    }
+}
+
+int
+fs_mkdir(struct fs_inode *dp, const char *name)
+{
+  struct fs_inode *ndp;
+
+  if (!(dp->inode.mode & STPDFS_S_IFDIR))
+    {
+      return (-1);
+    }
+
+  ndp = fs_inode_alloc(dp->super);
+  if (ndp == NULL)
+    {
+      return (-1);
+    }
+
+  ndp->inode.mode |= STPDFS_S_IFDIR;
+
+  fs_dir_link(ndp, ".", ndp->inum);
+  fs_dir_link(ndp, "..", dp->inum);
+
+  fs_dir_link(dp, name, ndp->inum);
+
+  return (0);
+}

libfs/dir.h

@@ -5,12 +5,13 @@
 # include "inode.h"
 
 struct fs_dir {
-	char name[STPDFS_NAME_MAX];
+  struct fs_inode *dp;
-	uint32_t inum;
+  int offset;
-
-	
 };
 
+struct fs_inode *fs_dir_lookup(struct fs_inode *dp, const char *name, size_t *offset);
 int fs_dir_link(struct fs_inode *dp, const char *name, uint32_t inum);
+int fs_dir_unlink(struct fs_inode *dp, const char *name);
+int fs_mkdir(struct fs_inode *dp, const char *name);
 
 #endif /* !FS_DIR_H */

libfs/inode.c

@@ -71,7 +71,7 @@ fs_inode_read(struct fs_inode *ip)
 	buff = fs_bio_bread(ip->super->fd, IBLOCK(ip->inum));
 	if (buff == NULL) return (NULL);
 
-	dinode = (struct stpdfs_inode *)buff->data + ip->inum % STPDFS_INODES_PER_BLOCK;;
+	dinode = (struct stpdfs_inode *)buff->data + ip->inum % STPDFS_INODES_PER_BLOCK;
 	memcpy(&ip->inode, dinode, sizeof(struct stpdfs_inode));
 
 	fs_bio_brelse(buff);

tools/inspect/main.c

@@ -34,7 +34,6 @@ static struct option long_options[] = {
 };
 #endif /* HAVE_STRUCT_OPTION */
 
-
 static int
 inspect(void)
 {

tools/mkfs/boot.asm

@@ -11,11 +11,11 @@
 	LF equ 0xA
 
 	struc inode
-		.mode:    resb 1
+		.mode:    resw 1
-		.nlink:   resb 1
+		.nlink:   resw 1
-		.uid:     resb 1
+		.uid:     resw 1
-		.gid:     resb 1
+		.gid:     resw 1
-		.flags:   resb 1
+		.flags:   resw 1
 		.size:    resd 1
 		.zones:   resd 10
 		.actime:  resq 1
@@ -75,7 +75,7 @@ start:
 	jc .reset_disk
 
 	; read superblock
-	mov ax, DISK_BUFFER/10
+	mov ax, DISK_BUFFER
 	mov es, ax
 
 	; load two sector in memory 
@@ -92,29 +92,46 @@ start:
 	; inode 0 bad
 	; inode 1 root dir
 	; inode 2 is loader, let's keep things easy
-	mov ax, word [DISK_BUFFER + 34 * 2 + inode.flags]
+	mov ax, word [DISK_BUFFER + 512 + 0x46 * 2 + inode.flags]
 	and ax, INODE_ALLOCATED
 	jz .err_no_loader
 
-	mov dword eax, [DISK_BUFFER + 34 * 2 + inode.size] ; size
+	mov dword eax, [DISK_BUFFER + 512 + 0x46 * 2 + inode.size] ; size
 	mov dword [uFsize], eax
 
-	xor ecx, ecx
+	xchg bx, bx
-.read_loop:
 
+	xor ecx, ecx
+	xor edx, edx
+	mov eax, DISK_BUFFER + 0x46 * 2 + inode.zone ; first zone
+.read_loop:
 	cmp dword ecx, [uFsize]
 	jg .all_read
+
+
+.zone_loop:
+	cmp edx, 7
+	jb .zone_direct
+	
+.zone_triple:
+
+.zone_double:
+	
+.zone_indirect:
+	
+.zone_direct:
+	mov eax, edx
+	shr eax, 2
+	add eax, DISK_BUFFER + 0x46 + 2 + inode.zone
+	
+
+	inc edx
+.end_zone:
 	add ecx, BLOCK_SIZE
 	jmp .read_loop
 .all_read:
 	
-	mov eax, DISK_BUFFER + 34 * 2 + 14 ; first zone
-
-	mov ax, LOADER_BASE/10
-	mov es, ax
-
 	jmp 0x0:LOADER_BASE
-
 .err_no_loader:
 	mov si, szErrorNoLoader
 	call bios_print
@@ -150,10 +167,11 @@ disk_read_sectors:
 	mov word [disk_packet.segment], es
 	mov word [disk_packet.offset], bx
 	mov dword [disk_packet.lba], eax 
-	mov si, [disk_packet]
+	mov si, disk_packet
 	mov dl, [bpb.drive_num]	
 	mov ah, 0x42
 	int 0x13
+	jc start.err_lba
 	ret
 
 disk_packet:

tools/tools/copy.c

@@ -1,8 +1,3 @@
-#include "libfs/dir.h"
-#include "libfs/fs.h"
-#include "libfs/inode.h"
-#include "libfs/super.h"
-#include "stupidfs.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/stat.h>
@@ -16,6 +11,8 @@
 #ifdef HAVE_GETOPT_H
 # include <getopt.h>
 #endif /* HAVE_GETOPT_H */
+# include <stupidfs.h>
+# include "libfs/fs.h"
 
 #ifdef HAVE_STRUCT_OPTION
 static struct option long_options[] = {
@@ -75,6 +72,7 @@ do_copy(void)
 	ip->inode.gid = st.st_gid;
 	ip->inode.modtime = st.st_mtime;
 	ip->inode.actime = st.st_atime;
+	ip->inode.flags = STPDFS_INO_FLAG_ALOC;
 
 	fs_inode_update(ip);
 
@@ -151,7 +149,11 @@ copy(int argc, char **argv)
 
 	if (dest == NULL)
 	{
-		dest = src;
+#ifdef HAVE_LIBGEN_H
+	  dest = basename(src);
+#else
+	  dest = src;
+#endif
 	} 
 
 	return (do_copy());