ctypeio.c revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Internal C-type locale functions.
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Copyright (c) 1997 Christos Zoulas. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software
must display the following acknowledgement:
This product includes software developed by Christos Zoulas.
4. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
NetBSD: ctypeio.c,v 1.7 2005/11/29 03:11:59 christos Exp
**/
#include <LibConfig.h>
#include <sys/EfiCdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: ctypeio.c,v 1.7 2005/11/29 03:11:59 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define _CTYPE_PRIVATE
#include <ctype.h>
#include "ctypeio.h"
int
__loadctype(const char *name)
{
FILE *fp;
char id[sizeof(_CTYPE_ID) - 1];
u_int32_t i, len;
unsigned short *new_ctype = NULL;
unsigned char *new_toupper = NULL, *new_tolower = NULL;
_DIAGASSERT(name != NULL);
if ((fp = fopen(name, "r")) == NULL)
return 0;
if (fread(id, sizeof(id), 1, fp) != 1)
goto bad;
if (memcmp(id, _CTYPE_ID, sizeof(id)) != 0)
goto bad;
if (fread(&i, sizeof(u_int32_t), 1, fp) != 1)
goto bad;
if ((i = ntohl(i)) != _CTYPE_REV)
goto bad;
if (fread(&len, sizeof(u_int32_t), 1, fp) != 1)
goto bad;
if ((len = ntohl(len)) != _CTYPE_NUM_CHARS)
goto bad;
if ((new_ctype = malloc(sizeof(UINT16) * (1 + len))) == NULL)
goto bad;
new_ctype[0] = 0;
if (fread(&new_ctype[1], sizeof(UINT16), len, fp) != len)
goto bad;
if ((new_toupper = malloc(sizeof(UINT8) * (1 + len))) == NULL)
goto bad;
new_toupper[0] = (UINT8)EOF;
if (fread(&new_toupper[1], sizeof(UINT8), len, fp) != len)
goto bad;
if ((new_tolower = malloc(sizeof(UINT8) * (1 + len))) == NULL)
goto bad;
new_tolower[0] = (UINT8)EOF;
if (fread(&new_tolower[1], sizeof(UINT8), len, fp) != len)
goto bad;
#if BYTE_ORDER == LITTLE_ENDIAN
for (i = 1; i <= len; i++) {
new_ctype[i] = ntohs(new_ctype[i]);
}
#endif
(void) fclose(fp);
if (_cClass != _C_CharClassTable)
free(__UNCONST(_cClass));
_cClass = new_ctype;
if (_uConvT != _C_ToUpperTable)
free(__UNCONST(_uConvT));
_uConvT = new_toupper;
if (_lConvT != _C_ToLowerTable)
free(__UNCONST(_lConvT));
_lConvT = new_tolower;
return 1;
bad:
free(new_tolower);
free(new_toupper);
free(new_ctype);
(void) fclose(fp);
return 0;
}
int
__savectype(
const char *name,
unsigned short *new_ctype,
unsigned char *new_toupper,
unsigned char *new_tolower
)
{
FILE *fp;
u_int32_t i, len = _CTYPE_NUM_CHARS;
_DIAGASSERT(name != NULL);
_DIAGASSERT(new_ctype != NULL);
_DIAGASSERT(new_toupper != NULL);
_DIAGASSERT(new_tolower != NULL);
if ((fp = fopen(name, "w")) == NULL)
return 0;
if (fwrite(_CTYPE_ID, sizeof(_CTYPE_ID) - 1, 1, fp) != 1)
goto bad;
i = htonl(_CTYPE_REV);
if (fwrite(&i, sizeof(u_int32_t), 1, fp) != 1)
goto bad;
i = htonl(len);
if (fwrite(&i, sizeof(u_int32_t), 1, fp) != 1)
goto bad;
#if BYTE_ORDER == LITTLE_ENDIAN
for (i = 1; i <= len; i++) {
new_ctype[i] = htons(new_ctype[i]);
}
#endif
if (fwrite(&new_ctype[1], sizeof(UINT16), len, fp) != len)
goto bad;
if (fwrite(&new_toupper[1], sizeof(UINT8), len, fp) != len)
goto bad;
if (fwrite(&new_tolower[1], sizeof(UINT8), len, fp) != len)
goto bad;
(void) fclose(fp);
return 1;
bad:
(void) fclose(fp);
return 0;
}