tests/xs: use ENOENT instead of ENODATA

ENODATA is not part of the standard set of errno values, so use
ENOENT instead. This fixes the build on FreeBSD.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>

tools/tests/xenstore/xs-test.c

@@ -156,7 +156,7 @@ static int verify_node(char *node, char *data, unsigned int size)
     if ( !buf )
         return errno;
 
-    ret = (len == size && !memcmp(buf, data, len)) ? 0 : ENODATA;
+    ret = (len == size && !memcmp(buf, data, len)) ? 0 : ENOENT;
     free(buf);
 
     return ret;
@@ -238,10 +238,10 @@ static int test_dir_deinit(uintptr_t par)
             if ( dir[i][0] == 'a' + j && dir[i][1] == 0 )
                 break;
         if ( i == num )
-            rc = ENODATA;
+            rc = ENOENT;
     }
     if ( num != WRITE_BUFFERS_N )
-            rc = ENODATA;
+            rc = ENOENT;
     free(dir);
     return rc;
 }
@@ -321,14 +321,14 @@ static int test_ta2(uintptr_t par)
         buf = xs_read(xsh, t, paths[0], &len);
         if ( !buf )
             goto out;
-        errno = (len == 1 && buf[0] == 'b') ? 0 : ENODATA;
+        errno = (len == 1 && buf[0] == 'b') ? 0 : ENOENT;
         free(buf);
         if ( errno )
             goto out;
         buf = xs_read(xsh, XBT_NULL, paths[0], &len);
         if ( !buf )
             goto out;
-        errno = (len == 1 && buf[0] == 'a') ? 0 : ENODATA;
+        errno = (len == 1 && buf[0] == 'a') ? 0 : ENOENT;
         free(buf);
         if ( errno )
             goto out;
@@ -376,7 +376,7 @@ static int test_ta3(uintptr_t par)
     buf = xs_read(xsh, t, paths[0], &len);
     if ( !buf )
         goto out;
-    errno = (len == 1 && buf[0] == 'a') ? 0 : ENODATA;
+    errno = (len == 1 && buf[0] == 'a') ? 0 : ENOENT;
     free(buf);
     if ( errno )
         goto out;
@@ -385,12 +385,12 @@ static int test_ta3(uintptr_t par)
     buf = xs_read(xsh, t, paths[0], &len);
     if ( !buf )
         goto out;
-    errno = (len == 1 && buf[0] == 'c') ? 0 : ENODATA;
+    errno = (len == 1 && buf[0] == 'c') ? 0 : ENOENT;
     free(buf);
     if ( errno )
         goto out;
     if ( xs_transaction_end(xsh, t, false) || errno != EAGAIN )
-        return ENODATA;
+        return ENOENT;
     return 0;
 
  out: