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authorSumit Bose <sbose@redhat.com>2014-04-14 13:07:37 +0200
committerSumit Bose <sbose@redhat.com>2014-06-17 12:55:14 +0200
commit70c6ac44529059bc35512f583f0054c9f667e12f (patch)
tree3a24ba34b1455f1836f477e720870e6b29f39795 /source3/modules/mysql.c
parent88da45b9e45f63510fdbbf842a10f7dab404a07b (diff)
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Extract common code from wbclient.c
Diffstat (limited to 'source3/modules/mysql.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit (git 2.34.1) at 2025-10-05 20:35:09 +0000
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/**********************************************************************
  utf8.c -  Oniguruma (regular expression library)
**********************************************************************/
/*-
 * Copyright (c) 2002-2006  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "regenc.h"

#define USE_INVALID_CODE_SCHEME

#ifdef USE_INVALID_CODE_SCHEME
/* virtual codepoint values for invalid encoding byte 0xfe and 0xff */
#define INVALID_CODE_FE   0xfffffffe
#define INVALID_CODE_FF   0xffffffff
#define VALID_CODE_LIMIT  0x7fffffff
#endif

#define utf8_islead(c)     ((UChar )((c) & 0xc0) != 0x80)

static const int EncLen_UTF8[] = {
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
  4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 1, 1
};

static int
utf8_mbc_enc_len(const UChar* p)
{
  return EncLen_UTF8[*p];
}

static int
utf8_is_mbc_newline(const UChar* p, const UChar* end)
{
  if (p < end) {
    if (*p == 0x0a) return 1;

#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
    if (*p == 0x0d) return 1;
    if (p + 1 < end) {
      if (*(p+1) == 0x85 && *p == 0xc2) /* U+0085 */
	return 1;
      if (p + 2 < end) {
	if ((*(p+2) == 0xa8 || *(p+2) == 0xa9)
	    && *(p+1) == 0x80 && *p == 0xe2)  /* U+2028, U+2029 */
	  return 1;
      }
    }
#endif
  }

  return 0;
}

static OnigCodePoint
utf8_mbc_to_code(const UChar* p, const UChar* end)
{
  int c, len;
  OnigCodePoint n;

  len = enc_len(ONIG_ENCODING_UTF8, p);
  c = *p++;
  if (len > 1) {
    len--;
    n = c & ((1 << (6 - len)) - 1);
    while (len--) {
      c = *p++;
      n = (n << 6) | (c & ((1 << 6) - 1));
    }
    return n;
  }
  else {
#ifdef USE_INVALID_CODE_SCHEME
    if (c > 0xfd) {
      return ((c == 0xfe) ? INVALID_CODE_FE : INVALID_CODE_FF);
    }
#endif