Stubdom: add support for file creation.

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

1 files changed, 20 insertions, 2 deletions

diff --git a/extras/mini-os/lib/sys.c b/extras/mini-os/lib/sys.c
index 13096d1eca..3e325b10a1 100644
--- a/extras/mini-os/lib/sys.c
+++ b/extras/mini-os/lib/sys.c
@@ -171,8 +171,26 @@ int open(const char *pathname, int flags, ...)
         printk("open(%s) -> %d\n", pathname, fd);
         return fd;
     }
-    printk("open(%s)", pathname);
-    fs_fd = fs_open(fs_import, (void *) pathname);
+    printk("open(%s, %x)", pathname, flags);
+    switch (flags & ~O_ACCMODE) {
+        case 0:
+            fs_fd = fs_open(fs_import, (void *) pathname);
+            break;
+        case O_CREAT|O_TRUNC:
+        {
+            va_list ap;
+            mode_t mode;
+            va_start(ap, flags);
+            mode = va_arg(ap, mode_t);
+            va_end(ap);
+            fs_fd = fs_create(fs_import, (void *) pathname, 0, mode);
+            break;
+        }
+        default:
+            printk(" unsupported flags\n");
+            stack_walk();
+            do_exit();
+    }
     if (fs_fd < 0) {
 	errno = EIO;
 	return -1;