2009-06-08 Felix Zielcke <fzielcke@z-51.de>

	* commands/true.c: New file.  Implement the true and false commands.
	* conf/common.rmk.c (pkglib_MODULES): Add `true.mod'.
	(true_mod_SOURCES): New variable.
	(true_mod_CFLAGS): Likewise.
	(true_mod_LDFLAGS): Likewise.

diff --git a/ChangeLog b/ChangeLog
index c7f7c068df4f744029c4631d2edd10bfc3a88dba..cb6fe3f2a4fc7bb329b47c45166de169cdf8186f 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2009-06-08  Felix Zielcke  <fzielcke@z-51.de>
+
+       * commands/true.c: New file.  Implement the true and false commands.
+       * conf/common.rmk.c (pkglib_MODULES): Add `true.mod'.
+       (true_mod_SOURCES): New variable.
+       (true_mod_CFLAGS): Likewise.
+       (true_mod_LDFLAGS): Likewise.
+
 2009-06-05  Colin D Bennett  <colin@gibibit.com>
 
        Optimized font character lookup using binary search instead of linear

diff --git a/commands/true.c b/commands/true.c
new file mode 100644 (file)
index 0000000..16ca315
--- /dev/null
+++ b/commands/true.c
@@ -0,0 +1,56 @@
+/* true.c - true and false commands.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/command.h>
+
+static grub_err_t
+grub_cmd_true (struct grub_command *cmd __attribute__ ((unused)),
+              int argc __attribute__ ((unused)),
+              char *argv[] __attribute__ ((unused)))
+{
+  return 0;
+}
+
+static grub_err_t
+grub_cmd_false (struct grub_command *cmd __attribute__ ((unused)),
+               int argc __attribute__ ((unused)),
+               char *argv[] __attribute__ ((unused)))
+{
+  return grub_error (GRUB_ERR_TEST_FAILURE, "false");
+}
+
+static grub_command_t cmd_true, cmd_false;
+
+\f
+GRUB_MOD_INIT(true)
+{
+  cmd_true =
+    grub_register_command ("true", grub_cmd_true,
+                          0, "do nothing, successfully");
+  cmd_false =
+    grub_register_command ("false", grub_cmd_false,
+                          0, "do nothing, unsuccessfully");
+}
+
+GRUB_MOD_FINI(true)
+{
+  grub_unregister_command (cmd_true);
+  grub_unregister_command (cmd_false);
+}

diff --git a/conf/common.rmk b/conf/common.rmk
index 1d0427d944cd8c24e73946cee2261be03e92bcb7..9780341612498c5dcca0ee5dfd4efeeeb9e768cd 100644 (file)
--- a/conf/common.rmk
+++ b/conf/common.rmk
@@ -354,7 +354,7 @@ pkglib_MODULES += minicmd.mod extcmd.mod hello.mod handler.mod      \
        terminfo.mod test.mod blocklist.mod hexdump.mod         \
        read.mod sleep.mod loadenv.mod crc.mod parttool.mod     \
        pcpart.mod memrw.mod boot.mod normal.mod sh.mod lua.mod \
-       gptsync.mod
+       gptsync.mod true.mod
 
 # For gptsync.mod.
 gptsync_mod_SOURCES = commands/gptsync.c
@@ -486,6 +486,11 @@ memrw_mod_SOURCES = commands/memrw.c
 memrw_mod_CFLAGS = $(COMMON_CFLAGS)
 memrw_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
+# For true.mod
+true_mod_SOURCES = commands/true.c
+true_mod_CFLAGS = $(COMMON_CFLAGS)
+true_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 # For normal.mod.
 normal_mod_SOURCES = normal/main.c normal/cmdline.c normal/dyncmd.c \
        normal/autofs.c normal/handler.c \