Espresso 0.0.2c

drivers/fs/vfs.c

@@ -1,24 +1,76 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <tty.h>
 
 #include <fs/vfs.h>
 
+/* we use something similar to the Linux kernel in terms of a VFS system */
 
-typedef struct vfs_file_header {
-  char* filename; /* The filename, not the path. */  
-  
-  int32_t fd;
-  
-  uint8_t type_info; /* Bits 0 - 3 -> File type, Bits 4 - 7 FS type */
-  
-  uint16_t* fs_header;
-  
-  struct vfs_file_header* next; /* Linked list */
-} vfs_file_header_t;
+#define MAX_FDS 64
+
+struct inode {
+  size_t size;
+  int permissions;
+  void *fs_data; /* FS-specific */
+};
+
+struct file_ops {
+  int (*read)(struct file*, char*, size_t);
+  int (*write)(struct file*, const char*, size_t);
+};
+
+struct file {
+  struct inode* f_inode;
+  size_t f_offset;
+  size_t f_refcount;
+  const struct file_ops f_ops;
+};
 
 
-vfs_file_header_t* root;
+
+struct fdtable {
+  struct file* fds[MAX_FDS];
+};
+
+
+
+int vfs_handle_stdout(struct file* __f, const char* __s, size_t __l)
+{
+  (void) __f;
+  terminal_write(__s, __l);
+
+  return 0;
+}
+
+struct fdtable* vfs_init_kernel_fdtable(void)
+{
+#if 0
+  struct fdtable* ft = malloc(sizeof(struct fdtable));
+  struct file* _stdout = malloc(sizeof(struct file));
+  struct file* _stdin = malloc(sizeof(struct file));
+  
+  if (!ft || !_stdin || !_stdout)
+  {
+    return NULL;
+  }
+  
+  _stdout->f_inode = NULL;
+  _stdout->f_offset = 0;
+  _stdout->f_refcount = 1;
+  _stdout->f_ops = { .read = NULL, .write = vfs_handle_stdout };
+#endif
+  return NULL;
+}
+
+int init_vfs(int argc, char** argv)
+{
+  (void) argc;
+  (void) argv;
+  
+  return 0;
+}
+
 
 
 /*
@@ -28,5 +80,7 @@ vfs_file_header_t* root;
   wow.
   and now my CPU fan is going nuts.
   
-  --update: now it works. I had to go back to nouveau instead of the proprietary nVidia drivers..
+  --update: now it works. I had to go back to nouveau instead of the proprietary nVidia®©™ drivers..
+
+  --update: I wrote what months ago. now is 3/12/2026, I don't even remember what was going on well. wow.
 */