fs Fetch file contents

user/fs/fetch.c

@@ -0,0 +1,35 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <ulib.h>
+
+void fs_fetch(void) {
+  if (argslen() < 2) {
+    uprintf("fs: Not enough arguments\n");
+    return;
+  }
+
+  char *path = *(args()+1);
+
+  IOH ioh = ioctl(IOCTL_NOHANDLE, IOCTL_OPENF, (uint64_t)path, IOCTL_F_READ, 0);
+  if (ioh < 0) {
+    uprintf("fs: could not open %s\n", path);
+    return;
+  }
+
+  IoctlStat statbuf; ZERO(&statbuf);
+
+  ioctl(ioh, IOCTL_STAT, (uint64_t)&statbuf, 0, 0);
+  if (statbuf.type == IOCTLSTAT_FILE) {
+    uint8_t *buf = umalloc(statbuf.size+1);
+    string_memset(buf, 0, statbuf.size+1);
+
+    if (ioctl(ioh, IOCTL_READ, (uint64_t)buf, statbuf.size, 0) < 0) {
+      uprintf("fs: coult not read %s\n", path);
+      ufree(buf);
+      ioctl(ioh, IOCTL_CLOSEF, 0, 0, 0);
+      return;
+    }
+
+    uprintf("%s", buf);
+  }
+}