97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/* $NetBSD: ctypeio.c,v 1.1 2009/01/02 00:20:23 tnozaki Exp $ */
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/*
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* Copyright (c) 1997 Christos Zoulas. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christos Zoulas.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: ctypeio.c,v 1.1 2009/01/02 00:20:23 tnozaki Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <assert.h>
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#define _CTYPE_PRIVATE
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "ctypeio.h"
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int
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__savectype(const char *name, unsigned char *new_ctype,
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short *new_toupper, short *new_tolower)
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{
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FILE *fp;
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uint32_t i, len = _CTYPE_NUM_CHARS;
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_DIAGASSERT(name != NULL);
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_DIAGASSERT(new_ctype != NULL);
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_DIAGASSERT(new_toupper != NULL);
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_DIAGASSERT(new_tolower != NULL);
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if ((fp = fopen(name, "w")) == NULL)
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return 0;
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if (fwrite(_CTYPE_ID, sizeof(_CTYPE_ID) - 1, 1, fp) != 1)
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goto bad;
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i = htonl(_CTYPE_REV);
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if (fwrite(&i, sizeof(uint32_t), 1, fp) != 1)
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goto bad;
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i = htonl(len);
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if (fwrite(&i, sizeof(uint32_t), 1, fp) != 1)
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goto bad;
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if (fwrite(&new_ctype[1], sizeof(uint8_t), len, fp) != len)
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goto bad;
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#if BYTE_ORDER == LITTLE_ENDIAN
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for (i = 1; i <= len; i++) {
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new_toupper[i] = htons(new_toupper[i]);
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new_tolower[i] = htons(new_tolower[i]);
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}
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#endif
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if (fwrite(&new_toupper[1], sizeof(int16_t), len, fp) != len)
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goto bad;
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if (fwrite(&new_tolower[1], sizeof(int16_t), len, fp) != len)
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goto bad;
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(void)fclose(fp);
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return 1;
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bad:
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(void)fclose(fp);
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return 0;
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}
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