3 * Wireshark - Network traffic analyzer
4 * By Gerald Combs <gerald@wireshark.org>
5 * Copyright 1998 Gerald Combs
7 * SPDX-License-Identifier: GPL-2.0-or-later
12 /* see bug 10798: there is a bug in the compiler the buildbots use for Mac OSX
13 and SSE4.2, so we're not going to use SSE4.2 with Mac OSX right now, for
14 older Mac OSX compilers.
17 #if defined(__clang__) && (__clang_major__ >= 6)
18 /* allow HAVE_SSE4_2 to be used for clang 6.0+ case because we know it works */
20 /* don't allow it otherwise, for Mac OSX */
26 #include "ws_symbol_export.h"
27 #include "ws_mempbrk.h"
28 #include "ws_mempbrk_int.h"
31 ws_mempbrk_compile(ws_mempbrk_pattern* pattern, const gchar *needles)
33 const gchar *n = needles;
35 pattern->patt[(int)*n] = 1;
40 ws_mempbrk_sse42_compile(pattern, needles);
46 ws_mempbrk_portable_exec(const guint8* haystack, size_t haystacklen, const ws_mempbrk_pattern* pattern, guchar *found_needle)
48 const guint8 *haystack_end = haystack + haystacklen;
50 while (haystack < haystack_end) {
51 if (pattern->patt[*haystack]) {
53 *found_needle = *haystack;
63 WS_DLL_PUBLIC const guint8 *
64 ws_mempbrk_exec(const guint8* haystack, size_t haystacklen, const ws_mempbrk_pattern* pattern, guchar *found_needle)
67 if (haystacklen >= 16 && pattern->use_sse42)
68 return ws_mempbrk_sse42_exec(haystack, haystacklen, pattern, found_needle);
71 return ws_mempbrk_portable_exec(haystack, haystacklen, pattern, found_needle);
76 * Editor modelines - https://www.wireshark.org/tools/modelines.html
84 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
85 * :indentSize=8:tabSize=8:noTabs=false: