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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2010-09-27 12:52:17 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2010-09-29 09:30:32 +0200
commit5156e781bd530a1763c0a33a49871cf58dea7eb0 (patch)
tree84c06fa3e5e5e8b497a37861ce894173c399fe8c /include
parent683e4ef35797f702d5674410aca931a5cba570da (diff)
downloadbarebox-5156e781bd530a1763c0a33a49871cf58dea7eb0.tar.gz
barebox-5156e781bd530a1763c0a33a49871cf58dea7eb0.tar.xz
import __stringify from linux
update the current code Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/command.h5
-rw-r--r--include/linux/stringify.h12
2 files changed, 13 insertions, 4 deletions
diff --git a/include/command.h b/include/command.h
index a612d65e54..4a4d9cf925 100644
--- a/include/command.h
+++ b/include/command.h
@@ -28,6 +28,7 @@
#define __COMMAND_H
#include <linux/list.h>
+#include <linux/stringify.h>
#ifndef NULL
#define NULL 0
@@ -75,10 +76,6 @@ void barebox_cmd_usage(struct command *cmdtp);
#endif /* __ASSEMBLY__ */
-#define __stringify_1(x) #x
-#define __stringify(x) __stringify_1(x)
-
-
#define Struct_Section __attribute__ ((unused,section (".barebox_cmd")))
#define BAREBOX_CMD_START(_name) \
diff --git a/include/linux/stringify.h b/include/linux/stringify.h
new file mode 100644
index 0000000000..841cec8ed5
--- /dev/null
+++ b/include/linux/stringify.h
@@ -0,0 +1,12 @@
+#ifndef __LINUX_STRINGIFY_H
+#define __LINUX_STRINGIFY_H
+
+/* Indirect stringification. Doing two levels allows the parameter to be a
+ * macro itself. For example, compile with -DFOO=bar, __stringify(FOO)
+ * converts to "bar".
+ */
+
+#define __stringify_1(x...) #x
+#define __stringify(x...) __stringify_1(x)
+
+#endif /* !__LINUX_STRINGIFY_H */