LCOV - code coverage report
Current view: top level - src/backend/utils/mb - wstrcmp.c (source / functions) Hit Total Coverage
Test: PostgreSQL 13devel Lines: 0 5 0.0 %
Date: 2019-09-19 02:07:14 Functions: 0 1 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * src/backend/utils/mb/wstrcmp.c
       3             :  *
       4             :  *-
       5             :  * Copyright (c) 1990, 1993
       6             :  *  The Regents of the University of California.  All rights reserved.
       7             :  *
       8             :  * This code is derived from software contributed to Berkeley by
       9             :  * Chris Torek.
      10             :  *
      11             :  * Redistribution and use in source and binary forms, with or without
      12             :  * modification, are permitted provided that the following conditions
      13             :  * are met:
      14             :  * 1. Redistributions of source code must retain the above copyright
      15             :  *    notice, this list of conditions and the following disclaimer.
      16             :  * 2. Redistributions in binary form must reproduce the above copyright
      17             :  *    notice, this list of conditions and the following disclaimer in the
      18             :  *    documentation and/or other materials provided with the distribution.
      19             :  * 3. Neither the name of the University nor the names of its contributors
      20             :  *    may be used to endorse or promote products derived from this software
      21             :  *    without specific prior written permission.
      22             :  *
      23             :  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
      24             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      25             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      26             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
      27             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      28             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      29             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      30             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      31             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      32             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      33             :  * SUCH DAMAGE.
      34             :  */
      35             : /* can be used in either frontend or backend */
      36             : #include "postgres_fe.h"
      37             : 
      38             : #include "mb/pg_wchar.h"
      39             : 
      40             : int
      41           0 : pg_char_and_wchar_strcmp(const char *s1, const pg_wchar *s2)
      42             : {
      43           0 :     while ((pg_wchar) *s1 == *s2++)
      44           0 :         if (*s1++ == 0)
      45           0 :             return 0;
      46           0 :     return *(const unsigned char *) s1 - *(const pg_wchar *) (s2 - 1);
      47             : }

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