Age         Owner                    Branch data    TLA  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
 7123 neilc@samurai.com          41                 :UBC           0 : pg_char_and_wchar_strcmp(const char *s1, const pg_wchar *s2)
                                 42                 :                : {
 8207 bruce@momjian.us           43         [ #  # ]:              0 :     while ((pg_wchar) *s1 == *s2++)
 9527 scrappy@hub.org            44         [ #  # ]:              0 :         if (*s1++ == 0)
 9357 bruce@momjian.us           45                 :              0 :             return 0;
                                 46                 :              0 :     return *(const unsigned char *) s1 - *(const pg_wchar *) (s2 - 1);
                                 47                 :                : }