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888389e625
We need the following additional modules for the daemon: io, time, timer, pipecmd Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* CC0 license (public domain) - see LICENSE file for details */
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#ifndef CCAN_ORDER_H
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#define CCAN_ORDER_H
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#include <stdint.h>
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#include <assert.h>
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#include <ccan/typesafe_cb/typesafe_cb.h>
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#include <ccan/ptrint/ptrint.h>
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typedef int (*_total_order_cb)(const void *, const void *, void *);
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typedef int (*total_order_noctx_cb)(const void *, const void *);
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#define total_order_cb(_name, _item, _ctx) \
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int (*_name)(const __typeof__(_item) *, \
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const __typeof__(_item) *, \
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__typeof__(_ctx))
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#define total_order_cast(cmp, item, ctx) \
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typesafe_cb_cast(_total_order_cb, total_order_cb(, item, ctx), \
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(cmp))
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struct _total_order {
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_total_order_cb cb;
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void *ctx;
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};
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#define total_order(_name, _item, _ctx) \
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struct { \
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total_order_cb(cb, _item, _ctx); \
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_ctx ctx; \
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} _name
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#define total_order_cmp(_order, _a, _b) \
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((_order).cb((_a), (_b), (_order).ctx))
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#define _DECL_ONAME(_oname, _itype) \
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extern int _order_##_oname(const void *, const void *, void *); \
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extern int order_##_oname(const _itype *, const _itype *, void *); \
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extern int order_##_oname##_noctx(const void *, const void *);
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#define _DECL_ONAME_BIDIR(_oname, _itype) \
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_DECL_ONAME(_oname, _itype) \
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_DECL_ONAME(_oname##_reverse, _itype)
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_DECL_ONAME_BIDIR(s8, int8_t)
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_DECL_ONAME_BIDIR(s16, int16_t)
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_DECL_ONAME_BIDIR(s32, int32_t)
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_DECL_ONAME_BIDIR(s64, int64_t)
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_DECL_ONAME_BIDIR(u8, uint8_t)
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_DECL_ONAME_BIDIR(u16, uint16_t)
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_DECL_ONAME_BIDIR(u32, uint32_t)
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_DECL_ONAME_BIDIR(u64, uint64_t)
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_DECL_ONAME_BIDIR(int, int)
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_DECL_ONAME_BIDIR(uint, unsigned int)
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_DECL_ONAME_BIDIR(long, long)
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_DECL_ONAME_BIDIR(ulong, unsigned long)
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_DECL_ONAME_BIDIR(size, size_t)
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_DECL_ONAME_BIDIR(ptrdiff, ptrdiff_t)
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_DECL_ONAME_BIDIR(float, float)
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_DECL_ONAME_BIDIR(double, double)
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#undef _DECL_ONAME
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#undef _DECL_ONAME_BIDIR
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#define total_order_by_field(_name, _oname, _itype, _field) \
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total_order(_name, _itype, ptrint_t *) = { \
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(total_order_cb(, _itype, \
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ptrint_t *))(_order_##_oname), \
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int2ptr(offsetof(_itype, _field)), \
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}
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#endif /* CCAN_ORDER_H */
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