X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fcommon%2Futf8.c;fp=src%2Fceph%2Fsrc%2Fcommon%2Futf8.c;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=5a8592f1cc5e2afbea9ef52b5b49c8674ca01ed0;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git

diff --git a/src/ceph/src/common/utf8.c b/src/ceph/src/common/utf8.c
deleted file mode 100644
index 5a8592f..0000000
--- a/src/ceph/src/common/utf8.c
+++ /dev/null
@@ -1,183 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2011 New Dream Network
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation.  See file COPYING.
- *
- */
-#include "common/utf8.h"
-
-#include <string.h>
-
-static int high_bits_set(int c)
-{
-	int ret = 0;
-	while (1) {
-		if ((c & 0x80) != 0x080)
-			break;
-		c <<= 1;
-		++ret;
-	}
-	return ret;
-}
-
-/* Encode a 31-bit UTF8 code point to 'buf'.
- * Assumes buf is of size MAX_UTF8_SZ
- * Returns -1 on failure; number of bytes in the encoded value otherwise.
- */
-int encode_utf8(unsigned long u, unsigned char *buf)
-{
-	int i;
-	unsigned long max_val[MAX_UTF8_SZ] = {
-		0x0000007ful, 0x000007fful, 0x0000fffful,
-		0x001ffffful, 0x03fffffful, 0x7ffffffful
-	};
-	static const int MAX_VAL_SZ = sizeof(max_val) / sizeof(max_val[0]);
-
-	for (i = 0; i < MAX_VAL_SZ; ++i) {
-		if (u <= max_val[i])
-			break;
-	}
-	if (i == MAX_VAL_SZ) {
-		// This code point is too big to encode.
-		return -1;
-	}
-
-	if (i == 0) {
-		buf[0] = u;
-	}
-	else {
-		signed int j;
-		for (j = i; j > 0; --j) {
-			buf[j] = 0x80 | (u & 0x3f);
-			u >>= 6;
-		}
-
-		unsigned char mask = ~(0xFF >> (i + 1));
-		buf[0] = mask | u;
-	}
-
-	return i + 1;
-}
-
-/*
- * Decode a UTF8 character from an array of bytes. Return character code.
- * Upon error, return INVALID_UTF8_CHAR.
- */
-unsigned long decode_utf8(unsigned char *buf, int nbytes)
-{
-	unsigned long code;
-	int i, j;
-
-	if (nbytes <= 0)
-		return INVALID_UTF8_CHAR;
-
-	if (nbytes == 1) {
-		if (buf[0] >= 0x80)
-			return INVALID_UTF8_CHAR;
-		return buf[0];
-	}
-
-	i = high_bits_set(buf[0]);
-	if (i != nbytes)
-		return INVALID_UTF8_CHAR;
-	code = buf[0] & (0xff >> i);
-	for (j = 1; j < nbytes; ++j) {
-		if ((buf[j] & 0xc0) != 0x80)
-			    return INVALID_UTF8_CHAR;
-		code = (code << 6) | (buf[j] & 0x3f);
-	}
-
-	// Check for invalid code points
-	if (code == 0xFFFE)
-	    return INVALID_UTF8_CHAR;
-	if (code == 0xFFFF)
-	    return INVALID_UTF8_CHAR;
-	if (code >= 0xD800 && code <= 0xDFFF)
-	    return INVALID_UTF8_CHAR;
-
-	return code;
-}
-
-int check_utf8(const char *buf, int len)
-{
-	unsigned char u[MAX_UTF8_SZ];
-	int enc_len = 0;
-	int i = 0;
-	while (1) {
-		unsigned int c = buf[i];
-		if (i >= len || c < 0x80 || (c & 0xC0) != 0x80) {
-			// the start of a new character. Process what we have
-			// in the buffer.
-			if (enc_len > 0) {
-				int re_encoded_len;
-				unsigned char re_encoded[MAX_UTF8_SZ];
-				unsigned long code = decode_utf8(u, enc_len);
-				if (code == INVALID_UTF8_CHAR) {
-					//printf("decoded to invalid utf8");
-					return i + 1;
-				}
-				re_encoded_len = encode_utf8(code, re_encoded);
-				if (enc_len != re_encoded_len) {
-					//printf("originally encoded as %d bytes, "
-					//	"but was re-encoded to %d!\n",
-					//	enc_len, re_encoded_len);
-					return i + 1;
-				}
-				if (memcmp(u, re_encoded, enc_len) != 0) {
-					//printf("re-encoded to a different "
-					//	"byte stream!");
-					return i + 1;
-				}
-				//printf("code_point %lu\n", code);
-			}
-			enc_len = 0;
-			if (i >= len)
-				break;
-			// start collecting again?
-			if (c >= 0x80)
-				u[enc_len++] = c;
-		} else {
-			if (enc_len == MAX_UTF8_SZ) {
-				//printf("too many enc_len in utf character!\n");
-				return i + 1;
-			}
-			//printf("continuation byte...\n");
-			u[enc_len++] = c;
-		}
-		++i;
-	}
-	return 0;
-}
-
-int check_utf8_cstr(const char *buf)
-{
-	return check_utf8(buf, strlen(buf));
-}
-
-int is_control_character(int c)
-{
-	return (((c != 0) && (c < 0x20)) || (c == 0x7f));
-}
-
-int check_for_control_characters(const char *buf, int len)
-{
-	int i;
-	for (i = 0; i < len; ++i) {
-		if (is_control_character((int)(unsigned char)buf[i])) {
- 			return i + 1;
-		}
-	}
-	return 0;
-}
-
-int check_for_control_characters_cstr(const char *buf)
-{
-	return check_for_control_characters(buf, strlen(buf));
-}