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authorNeels Hofmeyr <neels@hofmeyr.de>2017-12-09 05:51:42 +0100
committerHarald Welte <laforge@gnumonks.org>2017-12-10 13:34:36 +0000
commitdc75b114b4caf2692b145b7b254e2f6cfa627831 (patch)
tree351e9cad60a411e829498bde2a5c5ace7d182d2d /include/osmocom
parenta73656501a21c42223abdecc4c5df7bbe62c802c (diff)
comment: utils: more accurately describe OSMO_STRINGIFY macro
Diffstat (limited to 'include/osmocom')
-rw-r--r--include/osmocom/core/utils.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/osmocom/core/utils.h b/include/osmocom/core/utils.h
index c5cc138b..0a3805df 100644
--- a/include/osmocom/core/utils.h
+++ b/include/osmocom/core/utils.h
@@ -15,7 +15,9 @@
#define OSMO_MAX(a, b) ((a) >= (b) ? (a) : (b))
/*! Return the minimum of two specified values */
#define OSMO_MIN(a, b) ((a) >= (b) ? (b) : (a))
-/*! Stringify the contents of a macro, e.g. a port number */
+/*! Stringify the name of a macro x, e.g. an FSM event name.
+ * Note: if nested within another preprocessor macro, this will
+ * stringify the value of x instead of its name. */
#define OSMO_STRINGIFY(x) #x
/*! Make a value_string entry from an enum value name */
#define OSMO_VALUE_STRING(x) { x, #x }