ref: 7c9bbdbfffed3dd83a2e8b494c841af0956edf46
parent: 9c55d114695b5564d8abe09ca393974205f85211
author: mkf <mkf@cloud9p.org>
date: Tue Nov 28 08:23:47 EST 2023
fs/cmdfs.c: import
--- /dev/null
+++ b/fs/cmdfs.c
@@ -1,0 +1,83 @@
+#include <u.h>
+#include <libc.h>
+
+#include <mem.h>
+
+#include <vfs.h>
+#include <user.h>
+#include "../cmd/rc.h"
+#include "fstab.h"
+
+static fs_t *cmdfs;
+
+fs_t*
+cmdfs_init(void)
+{+ char *path;
+ int i = 0;
+ ll_t *ulist, *flist, *t;
+ file_t *f, *root;
+
+ if(cmdfs->state == READY)
+ {+
+ return cmdfs;
+ }
+
+ path = "/cmd/";
+ cmdfs = (fs_t*)malloc(sizeof(fs_t));
+
+ ulist = malloc(sizeof(ll_t*));
+ flist = malloc(sizeof(ll_t*));
+
+ lladd(ulist, &uroot);
+
+ cmdfs->fid = 1;
+ cmdfs->state = READY;
+ cmdfs->users = ulist;
+
+ flist->next = nil;
+ t = flist;
+
+ /* set root up */
+ root = (file_t*)malloc(sizeof(file_t));
+
+ root->fid = 0;
+ root->size = 0;
+
+ root->owner = adam.id;
+ root->perms = 0444; /* u=r, o=r */
+
+ root->path = "/";
+ root->name = "";
+
+ /* root.buf = smh */
+
+ flist->val = root;
+
+ for(int i = 0 ; i < sizeof(cmdtab) / sizeof(prog_t) ; i++)
+ { + f = (file_t*)malloc(sizeof(file_t));
+
+ f->fid = cmdfs->fid++;
+ f->size = 0; /* that is a virtual file */
+
+ f->owner = adam.id;
+ f->perms = 0555;
+
+ f->name = cmdtab[i].name;
+ f->path = malloc(sizeof(PATH_MAX));
+
+ strncpy(f->path, path, strlen(path));
+
+ /* f.buf = smh */
+ lladd(t, f);
+
+ t = (ll_t*)t->next;
+ }
+
+ cmdfs->files = flist;
+
+ return cmdfs;
+}
+