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misc: Fix compiler warnings about the static_assert macro with gcc 4.8 

The modified macro is still working on a gcc 4.7 and gcc 4.8 after the
removal of the typedef and addition of the unused attribute.

include/osmocom/core/msgb.h: In function ‘msgb_alloc_headroom’:
include/osmocom/core/utils.h:40:51: warning: typedef ‘dummyheadroom_bigger’ locally defined but not used [-Wunused-local-typedefs]
 #define osmo_static_assert(exp, name) typedef int dummy##name [(exp) ? 1 : -1];
                                                   ^
include/osmocom/core/msgb.h:386:2: note: in expansion of macro ‘osmo_static_assert’
  osmo_static_assert(size > headroom, headroom_bigger);
  ^
This commit is contained in:
Holger Hans Peter Freyther 2013-07-01 09:30:52 +02:00
parent d24467579d
commit b3b955bef2
1 changed files with 1 additions and 1 deletions
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2
include/osmocom/core/utils.h
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@ -37,7 +37,7 @@ char *osmo_hexdump(const unsigned char *buf, int len);
char *osmo_hexdump_nospc(const unsigned char *buf, int len);
char *osmo_osmo_hexdump_nospc(const unsigned char *buf, int len) __attribute__((__deprecated__));
#define osmo_static_assert(exp, name) typedef int dummy##name [(exp) ? 1 : -1];
#define osmo_static_assert(exp, name) int dummy##name [(exp) ? 1 : -1] __attribute__((__unused__));
void osmo_str2lower(char *out, const char *in);
void osmo_str2upper(char *out, const char *in);