mirror of
https://github.com/gnustep/libs-base.git
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1888a16328
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@6369 72102866-910b-0410-8b05-ffd578937521
116 lines
2.7 KiB
Objective-C
116 lines
2.7 KiB
Objective-C
/* Callbacks for (NUL-terminated) arrays of `char'.
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* Copyright (C) 1996 Free Software Foundation, Inc.
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*
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* Author: Albin L. Jones <Albin.L.Jones@Dartmouth.EDU>
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* Created: Sat Feb 10 22:04:38 EST 1996
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* Updated: Mon Mar 11 03:09:33 EST 1996
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* Serial: 96.03.11.06
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*
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* This file is part of the GNUstep Base Library.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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/**** Included Headers *******************************************************/
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#include <stdlib.h>
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#include "config.h"
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#include <Foundation/NSString.h>
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#include <base/o_cbs.h>
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/**** Function Implementations ***********************************************/
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size_t
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o_char_p_hash(const char *cptr)
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{
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register const char *s = cptr;
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register size_t h = 0;
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register size_t c = 0;
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while (*s != '\0')
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h ^= *(s++) << (c++);
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return h;
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}
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int
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o_char_p_compare(const char *cptr, const char *dptr)
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{
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register const char *s = (char *) cptr;
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register const char *t = (char *) dptr;
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if (s == t)
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{
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return 0;
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}
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else
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{
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register char c;
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register char d;
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while ((c = *(s++)) == (d = *(s++)))
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if (c == '\0')
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return 0;
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return (c - d);
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}
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}
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/* Determines whether or not CPTR is the same (`NUL'-terminated)
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* character string as DPTR. Returns true if CPTR and DPTR are the same,
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* and false otherwise. Note that we are performing no
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* internationalization here. CPTR and DPTR are taken to be C strings
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* in the default (seven or) eight bit character encoding. */
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int
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o_char_p_is_equal(const char *cptr, const char *dptr)
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{
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register const char *s = cptr;
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register const char *t = dptr;
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if (s == t)
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{
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return 1;
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}
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else
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{
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register char c;
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register char d;
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while ((c = *(s++)) == (d = *(t++)))
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if (c == '\0')
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return 1;
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return 0;
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}
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}
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const void *
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o_char_p_retain(const char *cptr)
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{
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return (const void *)cptr;
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}
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void
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o_char_p_release(char *cptr)
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{
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return;
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}
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NSString *
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o_char_p_describe(const char *cptr)
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{
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/* FIXME: Code this. */
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return nil;
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}
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