Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/wsutil/ws_mempbrk.h b/wsutil/ws_mempbrk.h
new file mode 100644
index 00000000..7aff505f
--- /dev/null
+++ b/wsutil/ws_mempbrk.h
@@ -0,0 +1,37 @@
+/** @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);
+
+#endif /* __WS_MEMPBRK_H__ */