From: Sami Kerola <kerolasa@iki.fi>
Date: Fri, 25 Apr 2014 20:36:58 +0000 (+0100)
Subject: include/c.h: add macro to print definitions as string
X-Git-Tag: v2.25-rc1~239
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff1aaf99663595c614fb706e4cf7d8382b38e940;p=thirdparty%2Futil-linux.git

include/c.h: add macro to print definitions as string

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/include/c.h b/include/c.h
index a192fb1dd6..6b8793a66f 100644
--- a/include/c.h
+++ b/include/c.h
@@ -307,4 +307,13 @@ static inline int xusleep(useconds_t usec)
 # define SEEK_HOLE	4
 #endif
 
+
+/*
+ * Macros to convert #define'itions to strings, for example
+ * #define XYXXY 42
+ * printf ("%s=%s\n", stringify(XYXXY), stringify_value(XYXXY));
+ */
+#define stringify_value(s) stringify(s)
+#define stringify(s) #s
+
 #endif /* UTIL_LINUX_C_H */