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List:       util-linux-ng
Subject:    [PATCH 04/12] include/c.h: add macro to print definitions as string
From:       Sami Kerola <kerolasa () iki ! fi>
Date:       2014-04-27 20:05:30
Message-ID: 1398629138-31718-5-git-send-email-kerolasa () iki ! fi
[Download RAW message or body]

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
 include/c.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/c.h b/include/c.h
index a192fb1..6b8793a 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 */
-- 
1.9.2

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