colin/NetworkManager
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

shared: make implementation for NM_IN_STRSET() more reusable

Browse Source
This commit is contained in:
Thomas Haller
2020-07-30 19:11:25 +02:00
parent 3c846baa83
commit b16b42266d
1 changed files with 33 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
shared/nm-std-aux/nm-std-aux.h
View File

@@ -370,47 +370,51 @@ nm_streq0 (const char *s1, const char *s2)
/*****************************************************************************/
#define _NM_IN_SETOP_EVAL_1( op, op_eq, _x, y) (op_eq (_x, y))
#define _NM_IN_SETOP_EVAL_2( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_1 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_3( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_2 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_4( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_3 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_5( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_4 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_6( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_5 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_7( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_6 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_8( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_7 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_9( op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_8 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_10(op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_9 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_11(op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_10 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_12(op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_11 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_13(op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_12 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_14(op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_13 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_15(op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_14 (op, op_eq, _x, __VA_ARGS__)
#define _NM_IN_SETOP_EVAL_16(op, op_eq, _x, y, ...) (op_eq (_x, y)) op _NM_IN_SETOP_EVAL_15 (op, op_eq, _x, __VA_ARGS__)
/*****************************************************************************/
#define _NM_IN_STRSET_EVAL_N2(op, op_ed, _x, n, ...) (_NM_IN_SETOP_EVAL_##n(op, op_ed, _x, __VA_ARGS__))
#define _NM_IN_STRSET_EVAL_N(op, op_ed, x, n, ...) \
({ \
const char *_x = (x); \
( ((_x == NULL) && _NM_IN_SET_EVAL_N2 (op, ((const char *) NULL), n, __VA_ARGS__)) \
|| ((_x != NULL) && _NM_IN_STRSET_EVAL_N2 (op, op_ed, _x, n, __VA_ARGS__)) \
); \
})
/*****************************************************************************/
static inline int
_NM_IN_STRSET_streq (const char *x, const char *s)
_NM_IN_STRSET_op_streq (const char *x, const char *s)
{
return s && strcmp (x, s) == 0;
}
#define _NM_IN_STRSET_EVAL_1( op, _x, y) _NM_IN_STRSET_streq (_x, y)
#define _NM_IN_STRSET_EVAL_2( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_1 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_3( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_2 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_4( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_3 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_5( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_4 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_6( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_5 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_7( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_6 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_8( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_7 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_9( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_8 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_10(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_9 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_11(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_10 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_12(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_11 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_13(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_12 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_14(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_13 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_15(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_14 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_16(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_15 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_N2(op, _x, n, ...) (_NM_IN_STRSET_EVAL_##n(op, _x, __VA_ARGS__))
#define _NM_IN_STRSET_EVAL_N(op, x, n, ...) \
({ \
const char *_x = (x); \
( ((_x == NULL) && _NM_IN_SET_EVAL_N2 (op, ((const char *) NULL), n, __VA_ARGS__)) \
|| ((_x != NULL) && _NM_IN_STRSET_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.
* Use NM_IN_STRSET_SE if you need all arguments to be evaluated. */
#define NM_IN_STRSET(x, ...) _NM_IN_STRSET_EVAL_N(||, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
#define NM_IN_STRSET(x, ...) _NM_IN_STRSET_EVAL_N(||, _NM_IN_STRSET_op_streq, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
/* "SE" stands for "side-effect". Contrary to NM_IN_STRSET(), this does not do
* short-circuit evaluation, which can make a difference if the arguments have
* side-effects. */
#define NM_IN_STRSET_SE(x, ...) _NM_IN_STRSET_EVAL_N(|, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
#define NM_IN_STRSET_SE(x, ...) _NM_IN_STRSET_EVAL_N(|, _NM_IN_STRSET_op_streq, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
/*****************************************************************************/