usr.bin/window/mystring.h

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Edward Wang at The University of California, Berkeley.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)string.h    8.1 (Berkeley) 6/6/93
  37  * $FreeBSD: src/usr.bin/window/mystring.h,v 1.2.2.2 2001/05/17 09:45:00 obrien Exp $
  38  * $DragonFly: src/usr.bin/window/mystring.h,v 1.2 2003/06/17 04:29:34 dillon Exp $
  39  */
  40
  41 #define STR_DEBUG
  42
  43 char *str_cpy();
  44 char *str_ncpy();
  45 char *str_cat();
  46 char *str_itoa();
  47
  48 #define str_cmp(a, b)   strcmp(a, b)
  49
  50 #ifdef STR_DEBUG
  51 struct mystring {
  52         struct mystring *s_forw;
  53         struct mystring *s_back;
  54         char s_data[1];
  55 };
  56
  57 struct mystring str_head;
  58
  59 #define str_offset ((unsigned)str_head.s_data - (unsigned)&str_head)
  60 #define str_stos(s) ((struct mystring *)((unsigned)(s) - str_offset))
  61
  62 char *str_alloc();
  63 int str_free();
  64 #else
  65 #define str_free(s)     free(s)
  66 #define str_alloc(s)    malloc(s)
  67 #endif