修改pods

Pods/gRPC-C++/third_party/re2/util/utf.h

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+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ *              Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ *
+ * This file and rune.cc have been converted to compile as C++ code
+ * in name space re2.
+ */
+
+#ifndef UTIL_UTF_H_
+#define UTIL_UTF_H_
+
+#include <stdint.h>
+
+namespace re2 {
+
+typedef signed int Rune;	/* Code-point values in Unicode 4.0 are 21 bits wide.*/
+
+enum
+{
+  UTFmax	= 4,		/* maximum bytes per rune */
+  Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */
+  Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */
+  Runeerror	= 0xFFFD,	/* decoding error in UTF */
+  Runemax	= 0x10FFFF,	/* maximum rune value */
+};
+
+int runetochar(char* s, const Rune* r);
+int chartorune(Rune* r, const char* s);
+int fullrune(const char* s, int n);
+int utflen(const char* s);
+char* utfrune(const char*, Rune);
+
+}  // namespace re2
+
+#endif  // UTIL_UTF_H_