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/** @file
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __WS_MEMPBRK_H__
#define __WS_MEMPBRK_H__
#include <wireshark.h>
#ifdef HAVE_SSE4_2
#include <emmintrin.h>
#endif
/** The pattern object used for ws_mempbrk_exec().
*/
typedef struct {
char patt[256];
#ifdef HAVE_SSE4_2
bool use_sse42;
__m128i mask;
#endif
} ws_mempbrk_pattern;
/** Compile the pattern for the needles to find using ws_mempbrk_exec().
*/
WS_DLL_PUBLIC void ws_mempbrk_compile(ws_mempbrk_pattern* pattern, const char *needles);
/** Scan for the needles specified by the compiled pattern.
*/
WS_DLL_PUBLIC const uint8_t *ws_mempbrk_exec(const uint8_t* haystack, size_t haystacklen, const ws_mempbrk_pattern* pattern, unsigned char *found_needle);
/** Scan for the needles specified by the compiled pattern, starting at the
* end of the haystack and working backwards.
*/
WS_DLL_PUBLIC const uint8_t *ws_memrpbrk_exec(const uint8_t* haystack, size_t haystacklen, const ws_mempbrk_pattern* pattern, unsigned char *found_needle);
#endif /* __WS_MEMPBRK_H__ */
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