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authorNeels Hofmeyr <nhofmeyr@sysmocom.de>2016-12-16 13:43:54 +0100
committerHarald Welte <laforge@gnumonks.org>2016-12-21 10:37:13 +0000
commit18080960e1f85bb315d927d18e52656973834813 (patch)
tree8afb5e09cfcfb74390d3fdaa37a8ca5a4ee33bc5 /include/osmocom/core/utils.h
parent4e72ee0d0f678ec91dee5ad33e8796b56e8c078d (diff)
utils.h: add OSMO_STRINGIFY and OSMO_VALUE_STRING macros
OSMO_STRINGIFY particularly allows putting port numbers from a #define into VTY doc strings, like: #define FOO_PORT 2342 DEFUN(..., "Foo UDP port (default: " OSMO_STRINGIFY(FOO_PORT) ")\n") OSMO_VALUE_STRING creates value_string items with the string being exactly the enum value's name. Replaces a similar macro def in fsm.c Change-Id: I857af45ae602bb9a647ba26cf8b0d1b23403b54c
Diffstat (limited to 'include/osmocom/core/utils.h')
-rw-r--r--include/osmocom/core/utils.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/osmocom/core/utils.h b/include/osmocom/core/utils.h
index 3c6fc98e..41bbc279 100644
--- a/include/osmocom/core/utils.h
+++ b/include/osmocom/core/utils.h
@@ -15,6 +15,10 @@
#define OSMO_MAX(a, b) ((a) >= (b) ? (a) : (b))
/*! \brief Return the minimum of two specified values */
#define OSMO_MIN(a, b) ((a) >= (b) ? (b) : (a))
+/*! \brief Stringify the contents of a macro, e.g. a port number */
+#define OSMO_STRINGIFY(x) #x
+/*! \brief Make a value_string entry from an enum value name */
+#define OSMO_VALUE_STRING(x) { x, OSMO_STRINGIFY(x) }
#include <stdint.h>