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41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
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/* _dl_new_hash for elf symbol lookup
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Copyright (C) 2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _DL_NEW_HASH_H
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#define _DL_NEW_HASH_H 1
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#include <stdint.h>
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/* For __always_inline. */
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#include <sys/cdefs.h>
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static __always_inline uint32_t
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__attribute__ ((unused))
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_dl_new_hash (const char *s)
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{
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uint32_t h = 5381;
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for (unsigned char c = *s; c != '\0'; c = *++s)
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h = h * 33 + c;
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return h;
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}
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/* For testing/benchmarking purposes. */
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#define __simple_dl_new_hash _dl_new_hash
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#endif /* dl-new-hash.h */
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