+++ /dev/null
-/*-
- * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
- * at Electronni Visti IA, Kiev, Ukraine.
- * 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.
- *
- * 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.
- *
- * $FreeBSD: src/lib/libc/locale/collate.c,v 1.21.2.1 2001/03/05 10:10:22 obrien Exp $
- */
-
-#include <rune.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sysexits.h>
-#include <crt_externs.h>
-#include "collate.h"
-#include "setlocale.h"
-
-int __collate_load_error = 1;
-int __collate_substitute_nontrivial;
-char __collate_version[STR_LEN];
-u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN];
-struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1];
-struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE];
-
-#define FREAD(a, b, c, d) \
- do { \
- if (fread(a, b, c, d) != c) { \
- fclose(d); \
- return -1; \
- } \
- } while(0)
-
-void __collate_err(int ex, const char *f) ;
-
-int
-__collate_load_tables(encoding)
- char *encoding;
-{
- char buf[PATH_MAX];
- FILE *fp;
- int i, save_load_error;
-
- save_load_error = __collate_load_error;
- __collate_load_error = 1;
- if (!encoding) {
- __collate_load_error = save_load_error;
- return -1;
- }
- if (!strcmp(encoding, "C") || !strcmp(encoding, "POSIX"))
- return 0;
- if (!_PathLocale) {
- __collate_load_error = save_load_error;
- return -1;
- }
- /* Range checking not needed, encoding has fixed size */
- (void) strcpy(buf, _PathLocale);
- (void) strcat(buf, "/");
- (void) strcat(buf, encoding);
- (void) strcat(buf, "/LC_COLLATE");
- if ((fp = fopen(buf, "r")) == NULL) {
- __collate_load_error = save_load_error;
- return -1;
- }
- FREAD(__collate_version, sizeof(__collate_version), 1, fp);
- if (strcmp(__collate_version, COLLATE_VERSION) != 0) {
- fclose(fp);
- return -1;
- }
- FREAD(__collate_substitute_table, sizeof(__collate_substitute_table),
- 1, fp);
- FREAD(__collate_char_pri_table, sizeof(__collate_char_pri_table), 1,
- fp);
- FREAD(__collate_chain_pri_table, sizeof(__collate_chain_pri_table), 1,
- fp);
- fclose(fp);
- __collate_load_error = 0;
-
- __collate_substitute_nontrivial = 0;
- for (i = 0; i < UCHAR_MAX + 1; i++) {
- if (__collate_substitute_table[i][0] != i ||
- __collate_substitute_table[i][1] != 0) {
- __collate_substitute_nontrivial = 1;
- break;
- }
- }
-
- return 0;
-}
-
-u_char *
-__collate_substitute(s)
- const u_char *s;
-{
- int dest_len, len, nlen;
- int delta = strlen(s);
- u_char *dest_str = NULL;
-
- if(s == NULL || *s == '\0')
- return __collate_strdup("");
- delta += delta / 8;
- dest_str = malloc(dest_len = delta);
- if(dest_str == NULL)
- __collate_err(EX_OSERR, __FUNCTION__);
- len = 0;
- while(*s) {
- nlen = len + strlen(__collate_substitute_table[*s]);
- if (dest_len <= nlen) {
- dest_str = reallocf(dest_str, dest_len = nlen + delta);
- if(dest_str == NULL)
- __collate_err(EX_OSERR, __FUNCTION__);
- }
- strcpy(dest_str + len, __collate_substitute_table[*s++]);
- len = nlen;
- }
- return dest_str;
-}
-
-void
-__collate_lookup(t, len, prim, sec)
- const u_char *t;
- int *len, *prim, *sec;
-{
- struct __collate_st_chain_pri *p2;
-
- *len = 1;
- *prim = *sec = 0;
- for(p2 = __collate_chain_pri_table; p2->str[0]; p2++) {
- if(strncmp(t, p2->str, strlen(p2->str)) == 0) {
- *len = strlen(p2->str);
- *prim = p2->prim;
- *sec = p2->sec;
- return;
- }
- }
- *prim = __collate_char_pri_table[*t].prim;
- *sec = __collate_char_pri_table[*t].sec;
-}
-
-u_char *
-__collate_strdup(s)
- u_char *s;
-{
- u_char *t = strdup(s);
-
- if (t == NULL)
- __collate_err(EX_OSERR, __FUNCTION__);
- return t;
-}
-
-void
-__collate_err(int ex, const char *f)
-{
- char **__progname = _NSGetProgname();
- const char *s;
- int serrno = errno;
-
- s = *__progname;
- write(STDERR_FILENO, s, strlen(s));
- write(STDERR_FILENO, ": ", 2);
- s = f;
- write(STDERR_FILENO, s, strlen(s));
- write(STDERR_FILENO, ": ", 2);
- s = strerror(serrno);
- write(STDERR_FILENO, s, strlen(s));
- write(STDERR_FILENO, "\n", 1);
- exit(ex);
-}
-
-#ifdef COLLATE_DEBUG
-void
-__collate_print_tables()
-{
- int i;
- struct __collate_st_chain_pri *p2;
-
- printf("Substitute table:\n");
- for (i = 0; i < UCHAR_MAX + 1; i++)
- if (i != *__collate_substitute_table[i])
- printf("\t'%c' --> \"%s\"\n", i,
- __collate_substitute_table[i]);
- printf("Chain priority table:\n");
- for (p2 = __collate_chain_pri_table; p2->str[0]; p2++)
- printf("\t\"%s\" : %d %d\n\n", p2->str, p2->prim, p2->sec);
- printf("Char priority table:\n");
- for (i = 0; i < UCHAR_MAX + 1; i++)
- printf("\t'%c' : %d %d\n", i, __collate_char_pri_table[i].prim,
- __collate_char_pri_table[i].sec);
-}
-#endif
projects / apple / libc.git / blobdiff