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macros: simplify NM_IN_SET() macro

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Also fix NM_IN_SET_SE() to guaranteed return 0 or 1.
This commit is contained in:
Thomas Haller
2016-02-11 17:24:33 +01:00
parent b73c0e2f6d
commit 1211b5b631
2 changed files with 42 additions and 42 deletions
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3
libnm-core/tests/test-general.c
View File

@@ -4864,6 +4864,8 @@ test_nm_in_set (void)
_ASSERT (4, NM_IN_SET (-1, G( 1), G( 2), G( 3), G(-1)));
_ASSERT (4, NM_IN_SET (-1, G( 1), G( 2), G( 3), G(-1), G( 5)));
_ASSERT (5, NM_IN_SET (-1, G( 1), G( 2), G( 3), G( 4), G(-1)));
_ASSERT (6, NM_IN_SET (-1, G( 1), G( 2), G( 3), G( 4), G( 5), G( -1)));
_ASSERT (1, !NM_IN_SET_SE (-1, G( 1)));
_ASSERT (1, NM_IN_SET_SE (-1, G(-1)));
@@ -4889,6 +4891,7 @@ test_nm_in_set (void)
_ASSERT (4, NM_IN_SET_SE (-1, G( 1), G( 2), G( 3), G(-1)));
_ASSERT (5, NM_IN_SET_SE (-1, G( 1), G( 2), G( 3), G(-1), G( 5)));
_ASSERT (6, NM_IN_SET_SE (-1, G( 1), G( 2), G( 3), G( 4), G( 5), G(-1)));
#undef G
#undef N
#undef _ASSERT

53
shared/nm-macros-internal.h
View File

@@ -120,53 +120,50 @@
/********************************************************/
#define _NM_IN_SET_EVAL_1(op, x, y1) \
({ \
typeof(x) _x = (x); \
( (_x == (y1)) \
); \
})
#define _NM_IN_SET_EVAL_1(op, _x, y1) \
(_x == (y1))
#define _NM_IN_SET_EVAL_2(op, x, y1, y2) \
({ \
typeof(x) _x = (x); \
#define _NM_IN_SET_EVAL_2(op, _x, y1, y2) \
( (_x == (y1)) \
op (_x == (y2)) \
); \
})
)
#define _NM_IN_SET_EVAL_3(op, x, y1, y2, y3) \
({ \
typeof(x) _x = (x); \
#define _NM_IN_SET_EVAL_3(op, _x, y1, y2, y3) \
( (_x == (y1)) \
op (_x == (y2)) \
op (_x == (y3)) \
); \
})
)
#define _NM_IN_SET_EVAL_4(op, x, y1, y2, y3, y4) \
({ \
typeof(x) _x = (x); \
#define _NM_IN_SET_EVAL_4(op, _x, y1, y2, y3, y4) \
( (_x == (y1)) \
op (_x == (y2)) \
op (_x == (y3)) \
op (_x == (y4)) \
); \
})
)
#define _NM_IN_SET_EVAL_5(op, x, y1, y2, y3, y4, y5) \
({ \
typeof(x) _x = (x); \
#define _NM_IN_SET_EVAL_5(op, _x, y1, y2, y3, y4, y5) \
( (_x == (y1)) \
op (_x == (y2)) \
op (_x == (y3)) \
op (_x == (y4)) \
op (_x == (y5)) \
); \
})
)
#define _NM_IN_SET_EVAL_N2(op, x, n, ...) _NM_IN_SET_EVAL_##n(op, x, __VA_ARGS__)
#define _NM_IN_SET_EVAL_N(op, x, n, ...) _NM_IN_SET_EVAL_N2(op, x, n, __VA_ARGS__)
#define _NM_IN_SET_EVAL_6(op, _x, y1, y2, y3, y4, y5, y6) \
( (_x == (y1)) \
op (_x == (y2)) \
op (_x == (y3)) \
op (_x == (y4)) \
op (_x == (y5)) \
op (_x == (y6)) \
)
#define _NM_IN_SET_EVAL_N2(op, _x, n, ...) _NM_IN_SET_EVAL_##n(op, _x, __VA_ARGS__)
#define _NM_IN_SET_EVAL_N(op, x, n, ...) \
({ \
typeof(x) _x = (x); \
!!_NM_IN_SET_EVAL_N2(op, _x, n, __VA_ARGS__); \
})
/* Beware that this does short-circuit evaluation (use "||" instead of "|")
* which has a possibly unexpected non-function-like behavior.