6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*
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* Copyright 2008-2009 Katholieke Universiteit Leuven
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*
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* Use of this software is governed by the MIT license
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*
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* Written by Sven Verdoolaege, K.U.Leuven, Departement
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* Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
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*/
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#ifndef ISL_HASH_H
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#define ISL_HASH_H
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#include <stdlib.h>
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#include <isl/stdint.h>
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#include <isl/ctx.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#define isl_hash_init() (2166136261u)
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#define isl_hash_byte(h,b) do { \
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h *= 16777619; \
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h ^= b; \
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} while(0)
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#define isl_hash_hash(h,h2) \
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do { \
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isl_hash_byte(h, (h2) & 0xFF); \
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isl_hash_byte(h, ((h2) >> 8) & 0xFF); \
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isl_hash_byte(h, ((h2) >> 16) & 0xFF); \
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isl_hash_byte(h, ((h2) >> 24) & 0xFF); \
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} while(0)
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#define isl_hash_bits(h,bits) \
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((bits) == 32) ? (h) : \
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((bits) >= 16) ? \
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((h) >> (bits)) ^ ((h) & (((uint32_t)1 << (bits)) - 1)) : \
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(((h) >> (bits)) ^ (h)) & (((uint32_t)1 << (bits)) - 1)
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uint32_t isl_hash_string(uint32_t hash, const char *s);
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uint32_t isl_hash_mem(uint32_t hash, const void *p, size_t len);
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#define isl_hash_builtin(h,l) isl_hash_mem(h, &l, sizeof(l))
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struct isl_hash_table_entry
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{
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uint32_t hash;
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void *data;
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};
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struct isl_hash_table {
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int bits;
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int n;
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struct isl_hash_table_entry *entries;
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};
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struct isl_hash_table *isl_hash_table_alloc(struct isl_ctx *ctx, int min_size);
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void isl_hash_table_free(struct isl_ctx *ctx, struct isl_hash_table *table);
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int isl_hash_table_init(struct isl_ctx *ctx, struct isl_hash_table *table,
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int min_size);
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void isl_hash_table_clear(struct isl_hash_table *table);
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extern struct isl_hash_table_entry *isl_hash_table_entry_none;
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struct isl_hash_table_entry *isl_hash_table_find(struct isl_ctx *ctx,
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struct isl_hash_table *table,
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uint32_t key_hash,
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isl_bool (*eq)(const void *entry, const void *val),
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const void *val, int reserve);
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isl_stat isl_hash_table_foreach(isl_ctx *ctx, struct isl_hash_table *table,
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isl_stat (*fn)(void **entry, void *user), void *user);
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isl_bool isl_hash_table_every(isl_ctx *ctx, struct isl_hash_table *table,
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isl_bool (*test)(void **entry, void *user), void *user);
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void isl_hash_table_remove(struct isl_ctx *ctx,
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struct isl_hash_table *table,
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struct isl_hash_table_entry *entry);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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