/*-
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/*-
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* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
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* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
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* at Electronni Visti IA, Kiev, Ukraine.
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* at Electronni Visti IA, Kiev, Ukraine.
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* All rights reserved.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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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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* modification, are permitted provided that the following conditions
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* are met:
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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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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* 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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* 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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* 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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* documentation and/or other materials provided with the distribution.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* SUCH DAMAGE.
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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#include "namespace.h"
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#include "namespace.h"
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#include <rune.h>
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#include <rune.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <errno.h>
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#include <errno.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <sysexits.h>
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#include <sysexits.h>
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#include "un-namespace.h"
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#include "un-namespace.h"
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#include "collate.h"
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#include "collate.h"
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extern char *_PathLocale;
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extern char *_PathLocale;
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int __collate_load_error = 1;
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int __collate_load_error = 1;
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int __collate_substitute_nontrivial;
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int __collate_substitute_nontrivial;
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char __collate_version[STR_LEN];
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char __collate_version[STR_LEN];
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u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN];
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u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN];
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struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1];
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struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1];
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struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE];
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struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE];
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#define FREAD(a, b, c, d) \
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#define FREAD(a, b, c, d) \
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do { \
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do { \
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if (fread(a, b, c, d) != c) { \
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if (fread(a, b, c, d) != c) { \
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fclose(d); \
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fclose(d); \
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return -1; \
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return -1; \
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} \
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} \
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} while(0)
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} while(0)
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void __collate_err(int ex, const char *f);
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void __collate_err(int ex, const char *f);
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int
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int
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__collate_load_tables(encoding)
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__collate_load_tables(encoding)
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char *encoding;
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char *encoding;
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{
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{
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char buf[PATH_MAX];
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char buf[PATH_MAX];
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FILE *fp;
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FILE *fp;
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int i, save_load_error;
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int i, save_load_error;
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save_load_error = __collate_load_error;
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save_load_error = __collate_load_error;
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__collate_load_error = 1;
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__collate_load_error = 1;
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if (!encoding) {
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if (!encoding) {
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__collate_load_error = save_load_error;
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__collate_load_error = save_load_error;
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return -1;
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return -1;
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}
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}
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if (!strcmp(encoding, "C") || !strcmp(encoding, "POSIX"))
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if (!strcmp(encoding, "C") || !strcmp(encoding, "POSIX"))
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return 0;
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return 0;
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if (!_PathLocale) {
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if (!_PathLocale) {
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__collate_load_error = save_load_error;
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__collate_load_error = save_load_error;
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return -1;
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return -1;
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}
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}
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/* Range checking not needed, encoding has fixed size */
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/* Range checking not needed, encoding has fixed size */
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(void) strcpy(buf, _PathLocale);
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(void) strcpy(buf, _PathLocale);
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(void) strcat(buf, "/");
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(void) strcat(buf, "/");
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(void) strcat(buf, encoding);
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(void) strcat(buf, encoding);
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(void) strcat(buf, "/LC_COLLATE");
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(void) strcat(buf, "/LC_COLLATE");
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if ((fp = fopen(buf, "r")) == NULL) {
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if ((fp = fopen(buf, "r")) == NULL) {
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__collate_load_error = save_load_error;
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__collate_load_error = save_load_error;
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return -1;
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return -1;
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}
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}
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FREAD(__collate_version, sizeof(__collate_version), 1, fp);
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FREAD(__collate_version, sizeof(__collate_version), 1, fp);
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if (strcmp(__collate_version, COLLATE_VERSION) != 0) {
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if (strcmp(__collate_version, COLLATE_VERSION) != 0) {
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fclose(fp);
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fclose(fp);
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return -1;
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return -1;
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}
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}
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FREAD(__collate_substitute_table, sizeof(__collate_substitute_table),
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FREAD(__collate_substitute_table, sizeof(__collate_substitute_table),
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1, fp);
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1, fp);
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FREAD(__collate_char_pri_table, sizeof(__collate_char_pri_table), 1,
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FREAD(__collate_char_pri_table, sizeof(__collate_char_pri_table), 1,
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fp);
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fp);
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FREAD(__collate_chain_pri_table, sizeof(__collate_chain_pri_table), 1,
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FREAD(__collate_chain_pri_table, sizeof(__collate_chain_pri_table), 1,
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fp);
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fp);
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fclose(fp);
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fclose(fp);
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__collate_load_error = 0;
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__collate_load_error = 0;
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__collate_substitute_nontrivial = 0;
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__collate_substitute_nontrivial = 0;
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for (i = 0; i < UCHAR_MAX + 1; i++) {
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for (i = 0; i < UCHAR_MAX + 1; i++) {
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if (__collate_substitute_table[i][0] != i ||
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if (__collate_substitute_table[i][0] != i ||
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__collate_substitute_table[i][1] != 0) {
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__collate_substitute_table[i][1] != 0) {
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__collate_substitute_nontrivial = 1;
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__collate_substitute_nontrivial = 1;
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break;
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break;
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}
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}
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}
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}
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return 0;
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return 0;
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}
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}
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u_char *
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u_char *
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__collate_substitute(s)
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__collate_substitute(s)
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const u_char *s;
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const u_char *s;
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{
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{
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int dest_len, len, nlen;
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int dest_len, len, nlen;
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int delta = strlen(s);
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int delta = strlen(s);
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u_char *dest_str = NULL;
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u_char *dest_str = NULL;
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if(s == NULL || *s == '\0')
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if(s == NULL || *s == '\0')
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return __collate_strdup("");
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return __collate_strdup("");
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delta += delta / 8;
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delta += delta / 8;
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dest_str = malloc(dest_len = delta);
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dest_str = malloc(dest_len = delta);
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if(dest_str == NULL)
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if(dest_str == NULL)
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__collate_err(EX_OSERR, __FUNCTION__);
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__collate_err(EX_OSERR, __FUNCTION__);
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len = 0;
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len = 0;
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while(*s) {
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while(*s) {
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nlen = len + strlen(__collate_substitute_table[*s]);
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nlen = len + strlen(__collate_substitute_table[*s]);
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if (dest_len <= nlen) {
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if (dest_len <= nlen) {
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dest_str = reallocf(dest_str, dest_len = nlen + delta);
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dest_str = reallocf(dest_str, dest_len = nlen + delta);
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if(dest_str == NULL)
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if(dest_str == NULL)
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__collate_err(EX_OSERR, __FUNCTION__);
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__collate_err(EX_OSERR, __FUNCTION__);
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}
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}
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strcpy(dest_str + len, __collate_substitute_table[*s++]);
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strcpy(dest_str + len, __collate_substitute_table[*s++]);
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len = nlen;
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len = nlen;
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}
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}
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return dest_str;
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return dest_str;
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}
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}
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void
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void
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__collate_lookup(t, len, prim, sec)
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__collate_lookup(t, len, prim, sec)
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const u_char *t;
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const u_char *t;
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int *len, *prim, *sec;
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int *len, *prim, *sec;
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{
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{
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struct __collate_st_chain_pri *p2;
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struct __collate_st_chain_pri *p2;
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*len = 1;
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*len = 1;
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*prim = *sec = 0;
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*prim = *sec = 0;
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for(p2 = __collate_chain_pri_table; p2->str[0]; p2++) {
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for(p2 = __collate_chain_pri_table; p2->str[0]; p2++) {
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if(strncmp(t, p2->str, strlen(p2->str)) == 0) {
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if(strncmp(t, p2->str, strlen(p2->str)) == 0) {
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*len = strlen(p2->str);
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*len = strlen(p2->str);
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*prim = p2->prim;
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*prim = p2->prim;
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*sec = p2->sec;
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*sec = p2->sec;
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return;
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return;
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}
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}
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}
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}
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*prim = __collate_char_pri_table[*t].prim;
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*prim = __collate_char_pri_table[*t].prim;
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*sec = __collate_char_pri_table[*t].sec;
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*sec = __collate_char_pri_table[*t].sec;
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}
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}
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u_char *
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u_char *
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__collate_strdup(s)
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__collate_strdup(s)
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u_char *s;
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u_char *s;
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{
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{
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u_char *t = strdup(s);
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u_char *t = strdup(s);
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if (t == NULL)
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if (t == NULL)
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__collate_err(EX_OSERR, __FUNCTION__);
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__collate_err(EX_OSERR, __FUNCTION__);
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return t;
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return t;
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}
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}
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void
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void
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__collate_err(int ex, const char *f)
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__collate_err(int ex, const char *f)
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{
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{
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const char *s;
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const char *s;
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int serrno = errno;
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int serrno = errno;
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/* Be careful to change write counts if you change the strings */
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/* Be careful to change write counts if you change the strings */
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write(STDERR_FILENO, "collate_error: ", 15);
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write(STDERR_FILENO, "collate_error: ", 15);
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write(STDERR_FILENO, f, strlen(f));
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write(STDERR_FILENO, f, strlen(f));
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write(STDERR_FILENO, ": ", 2);
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write(STDERR_FILENO, ": ", 2);
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s = strerror(serrno);
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s = strerror(serrno);
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write(STDERR_FILENO, s, strlen(s));
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write(STDERR_FILENO, s, strlen(s));
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write(STDERR_FILENO, "\n", 1);
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write(STDERR_FILENO, "\n", 1);
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exit(ex);
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exit(ex);
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}
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}
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#ifdef COLLATE_DEBUG
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#ifdef COLLATE_DEBUG
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void
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void
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__collate_print_tables()
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__collate_print_tables()
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{
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{
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int i;
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int i;
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struct __collate_st_chain_pri *p2;
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struct __collate_st_chain_pri *p2;
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printf("Substitute table:\n");
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printf("Substitute table:\n");
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for (i = 0; i < UCHAR_MAX + 1; i++)
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for (i = 0; i < UCHAR_MAX + 1; i++)
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if (i != *__collate_substitute_table[i])
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if (i != *__collate_substitute_table[i])
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printf("\t'%c' --> \"%s\"\n", i,
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printf("\t'%c' --> \"%s\"\n", i,
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__collate_substitute_table[i]);
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__collate_substitute_table[i]);
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printf("Chain priority table:\n");
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printf("Chain priority table:\n");
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for (p2 = __collate_chain_pri_table; p2->str[0]; p2++)
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for (p2 = __collate_chain_pri_table; p2->str[0]; p2++)
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printf("\t\"%s\" : %d %d\n\n", p2->str, p2->prim, p2->sec);
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printf("\t\"%s\" : %d %d\n\n", p2->str, p2->prim, p2->sec);
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printf("Char priority table:\n");
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printf("Char priority table:\n");
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for (i = 0; i < UCHAR_MAX + 1; i++)
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for (i = 0; i < UCHAR_MAX + 1; i++)
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printf("\t'%c' : %d %d\n", i, __collate_char_pri_table[i].prim,
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printf("\t'%c' : %d %d\n", i, __collate_char_pri_table[i].prim,
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__collate_char_pri_table[i].sec);
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__collate_char_pri_table[i].sec);
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}
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}
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#endif
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#endif
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