1/*- 2 * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua> 3 * at Electronni Visti IA, Kiev, Ukraine. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h>
| 1/*- 2 * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua> 3 * at Electronni Visti IA, Kiev, Ukraine. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h>
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29__FBSDID("$FreeBSD: head/lib/libc/locale/collate.c 101478 2002-08-07 18:02:45Z ache $");
| 29__FBSDID("$FreeBSD: head/lib/libc/locale/collate.c 101498 2002-08-08 05:51:54Z ache $");
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30 31#include "namespace.h" 32#include <rune.h> 33#include <stdio.h> 34#include <stdlib.h> 35#include <string.h> 36#include <errno.h> 37#include <unistd.h> 38#include <sysexits.h> 39#include "un-namespace.h" 40 41#include "collate.h" 42#include "setlocale.h"
| 30 31#include "namespace.h" 32#include <rune.h> 33#include <stdio.h> 34#include <stdlib.h> 35#include <string.h> 36#include <errno.h> 37#include <unistd.h> 38#include <sysexits.h> 39#include "un-namespace.h" 40 41#include "collate.h" 42#include "setlocale.h"
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| 43#include "ldpart.h"
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43 44#include "libc_private.h" 45 46int __collate_load_error = 1; 47int __collate_substitute_nontrivial;
| 44 45#include "libc_private.h" 46 47int __collate_load_error = 1; 48int __collate_substitute_nontrivial;
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48char __collate_version[STR_LEN];
| 49
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49u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN]; 50struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1]; 51struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE]; 52
| 50u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN]; 51struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1]; 52struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE]; 53
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53#define FREAD(a, b, c, d) \ 54 do { \ 55 if (fread(a, b, c, d) != c) { \ 56 (void)fclose(d); \ 57 return -1; \ 58 } \ 59 } while(0) 60
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61void __collate_err(int ex, const char *f) __dead2; 62 63int
| 54void __collate_err(int ex, const char *f) __dead2; 55 56int
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64__collate_load_tables(encoding) 65 char *encoding;
| 57__collate_load_tables(const char *encoding)
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66{
| 58{
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67 char buf[PATH_MAX];
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68 FILE *fp;
| 59 FILE *fp;
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69 int i, save_load_error;
| 60 int i, saverr; 61 char collate_version[STR_LEN]; 62 char buf[PATH_MAX]; 63 char *TMP_substitute_table, *TMP_char_pri_table, *TMP_chain_pri_table; 64 static char collate_encoding[ENCODING_LEN + 1];
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70
| 65
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71 save_load_error = __collate_load_error; 72 __collate_load_error = 1; 73 if (!encoding) { 74 __collate_load_error = save_load_error; 75 return -1;
| 66 /* 'encoding' must be already checked. */ 67 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) { 68 __collate_load_error = 1; 69 return (_LDP_CACHE);
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76 }
| 70 }
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77 if (!strcmp(encoding, "C") || !strcmp(encoding, "POSIX")) 78 return 0; 79 if (!_PathLocale) { 80 __collate_load_error = save_load_error; 81 return -1;
| 71 72 /* 73 * If the locale name is the same as our cache, use the cache. 74 */ 75 if (strcmp(encoding, collate_encoding) == 0) { 76 __collate_load_error = 0; 77 return (_LDP_CACHE);
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82 }
| 78 }
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| 79 80 /* 81 * Slurp the locale file into the cache. 82 */ 83 84 /* 'PathLocale' must be already set & checked. */
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83 /* Range checking not needed, encoding has fixed size */ 84 (void)strcpy(buf, _PathLocale); 85 (void)strcat(buf, "/"); 86 (void)strcat(buf, encoding); 87 (void)strcat(buf, "/LC_COLLATE");
| 85 /* Range checking not needed, encoding has fixed size */ 86 (void)strcpy(buf, _PathLocale); 87 (void)strcat(buf, "/"); 88 (void)strcat(buf, encoding); 89 (void)strcat(buf, "/LC_COLLATE");
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88 if ((fp = fopen(buf, "r")) == NULL) { 89 __collate_load_error = save_load_error; 90 return -1;
| 90 if ((fp = fopen(buf, "r")) == NULL) 91 return (_LDP_ERROR); 92 93 if ((TMP_substitute_table = 94 malloc(sizeof(__collate_substitute_table))) == NULL) { 95 (void)fclose(fp); 96 errno = ENOMEM; 97 return (_LDP_ERROR);
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91 }
| 98 }
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92 FREAD(__collate_version, sizeof(__collate_version), 1, fp); 93 if (strcmp(__collate_version, COLLATE_VERSION) != 0) {
| 99 if ((TMP_char_pri_table = 100 malloc(sizeof(__collate_char_pri_table))) == NULL) { 101 free(TMP_substitute_table);
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94 (void)fclose(fp);
| 102 (void)fclose(fp);
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95 return -1;
| 103 errno = ENOMEM; 104 return (_LDP_ERROR);
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96 }
| 105 }
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97 FREAD(__collate_substitute_table, sizeof(__collate_substitute_table), 98 1, fp); 99 FREAD(__collate_char_pri_table, sizeof(__collate_char_pri_table), 1, 100 fp); 101 FREAD(__collate_chain_pri_table, sizeof(__collate_chain_pri_table), 1, 102 fp);
| 106 if ((TMP_chain_pri_table = 107 malloc(sizeof(__collate_chain_pri_table))) == NULL) { 108 free(TMP_substitute_table); 109 free(TMP_char_pri_table); 110 (void)fclose(fp); 111 errno = ENOMEM; 112 return (_LDP_ERROR); 113 } 114 115#define FREAD(a, b, c, d) \ 116{ \ 117 if (fread(a, b, c, d) != c) { \ 118 saverr = errno; \ 119 free(TMP_substitute_table); \ 120 free(TMP_char_pri_table); \ 121 free(TMP_chain_pri_table); \ 122 (void)fclose(d); \ 123 errno = saverr; \ 124 return (_LDP_ERROR); \ 125 } \ 126} 127 128 FREAD(collate_version, sizeof(collate_version), 1, fp); 129 if (strcmp(collate_version, COLLATE_VERSION) != 0) { 130 free(TMP_substitute_table); 131 free(TMP_char_pri_table); 132 free(TMP_chain_pri_table); 133 (void)fclose(fp); 134 errno = EFTYPE; 135 return (_LDP_ERROR); 136 } 137 FREAD(TMP_substitute_table, sizeof(__collate_substitute_table), 1, fp); 138 FREAD(TMP_char_pri_table, sizeof(__collate_char_pri_table), 1, fp); 139 FREAD(TMP_chain_pri_table, sizeof(__collate_chain_pri_table), 1, fp);
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103 (void)fclose(fp);
| 140 (void)fclose(fp);
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104 __collate_load_error = 0;
| 141 142 (void)strcpy(collate_encoding, encoding); 143 (void)memcpy(__collate_substitute_table, TMP_substitute_table, 144 sizeof(__collate_substitute_table)); 145 (void)memcpy(__collate_char_pri_table, TMP_char_pri_table, 146 sizeof(__collate_char_pri_table)); 147 (void)memcpy(__collate_chain_pri_table, TMP_chain_pri_table, 148 sizeof(__collate_chain_pri_table)); 149 free(TMP_substitute_table); 150 free(TMP_char_pri_table); 151 free(TMP_chain_pri_table);
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105 106 __collate_substitute_nontrivial = 0; 107 for (i = 0; i < UCHAR_MAX + 1; i++) { 108 if (__collate_substitute_table[i][0] != i || 109 __collate_substitute_table[i][1] != 0) { 110 __collate_substitute_nontrivial = 1; 111 break; 112 } 113 }
| 152 153 __collate_substitute_nontrivial = 0; 154 for (i = 0; i < UCHAR_MAX + 1; i++) { 155 if (__collate_substitute_table[i][0] != i || 156 __collate_substitute_table[i][1] != 0) { 157 __collate_substitute_nontrivial = 1; 158 break; 159 } 160 }
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| 161 __collate_load_error = 0;
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114
| 162
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115 return 0;
| 163 return (_LDP_LOADED);
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116} 117 118u_char * 119__collate_substitute(s) 120 const u_char *s; 121{ 122 int dest_len, len, nlen; 123 int delta = strlen(s); 124 u_char *dest_str = NULL; 125 126 if (s == NULL || *s == '\0') 127 return (__collate_strdup("")); 128 delta += delta / 8; 129 dest_str = malloc(dest_len = delta); 130 if (dest_str == NULL) 131 __collate_err(EX_OSERR, __FUNCTION__); 132 len = 0; 133 while (*s) { 134 nlen = len + strlen(__collate_substitute_table[*s]); 135 if (dest_len <= nlen) { 136 dest_str = reallocf(dest_str, dest_len = nlen + delta); 137 if (dest_str == NULL) 138 __collate_err(EX_OSERR, __FUNCTION__); 139 } 140 (void)strcpy(dest_str + len, __collate_substitute_table[*s++]); 141 len = nlen; 142 } 143 return (dest_str); 144} 145 146void 147__collate_lookup(t, len, prim, sec) 148 const u_char *t; 149 int *len, *prim, *sec; 150{ 151 struct __collate_st_chain_pri *p2; 152 153 *len = 1; 154 *prim = *sec = 0;
| 164} 165 166u_char * 167__collate_substitute(s) 168 const u_char *s; 169{ 170 int dest_len, len, nlen; 171 int delta = strlen(s); 172 u_char *dest_str = NULL; 173 174 if (s == NULL || *s == '\0') 175 return (__collate_strdup("")); 176 delta += delta / 8; 177 dest_str = malloc(dest_len = delta); 178 if (dest_str == NULL) 179 __collate_err(EX_OSERR, __FUNCTION__); 180 len = 0; 181 while (*s) { 182 nlen = len + strlen(__collate_substitute_table[*s]); 183 if (dest_len <= nlen) { 184 dest_str = reallocf(dest_str, dest_len = nlen + delta); 185 if (dest_str == NULL) 186 __collate_err(EX_OSERR, __FUNCTION__); 187 } 188 (void)strcpy(dest_str + len, __collate_substitute_table[*s++]); 189 len = nlen; 190 } 191 return (dest_str); 192} 193 194void 195__collate_lookup(t, len, prim, sec) 196 const u_char *t; 197 int *len, *prim, *sec; 198{ 199 struct __collate_st_chain_pri *p2; 200 201 *len = 1; 202 *prim = *sec = 0;
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155 for(p2 = __collate_chain_pri_table; p2->str[0]; p2++) { 156 if(strncmp(t, p2->str, strlen(p2->str)) == 0) {
| 203 for (p2 = __collate_chain_pri_table; p2->str[0]; p2++) { 204 if (strncmp(t, p2->str, strlen(p2->str)) == 0) {
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157 *len = strlen(p2->str); 158 *prim = p2->prim; 159 *sec = p2->sec; 160 return; 161 } 162 } 163 *prim = __collate_char_pri_table[*t].prim; 164 *sec = __collate_char_pri_table[*t].sec; 165} 166 167u_char * 168__collate_strdup(s) 169 u_char *s; 170{ 171 u_char *t = strdup(s); 172 173 if (t == NULL) 174 __collate_err(EX_OSERR, __FUNCTION__); 175 return (t); 176} 177 178void 179__collate_err(int ex, const char *f) 180{ 181 const char *s; 182 int serrno = errno; 183 184 s = _getprogname(); 185 _write(STDERR_FILENO, s, strlen(s)); 186 _write(STDERR_FILENO, ": ", 2); 187 s = f; 188 _write(STDERR_FILENO, s, strlen(s)); 189 _write(STDERR_FILENO, ": ", 2); 190 s = strerror(serrno); 191 _write(STDERR_FILENO, s, strlen(s)); 192 _write(STDERR_FILENO, "\n", 1); 193 exit(ex); 194} 195 196#ifdef COLLATE_DEBUG 197void 198__collate_print_tables() 199{ 200 int i; 201 struct __collate_st_chain_pri *p2; 202 203 printf("Substitute table:\n"); 204 for (i = 0; i < UCHAR_MAX + 1; i++) 205 if (i != *__collate_substitute_table[i]) 206 printf("\t'%c' --> \"%s\"\n", i, 207 __collate_substitute_table[i]); 208 printf("Chain priority table:\n"); 209 for (p2 = __collate_chain_pri_table; p2->str[0]; p2++) 210 printf("\t\"%s\" : %d %d\n\n", p2->str, p2->prim, p2->sec); 211 printf("Char priority table:\n"); 212 for (i = 0; i < UCHAR_MAX + 1; i++) 213 printf("\t'%c' : %d %d\n", i, __collate_char_pri_table[i].prim, 214 __collate_char_pri_table[i].sec); 215} 216#endif
| 205 *len = strlen(p2->str); 206 *prim = p2->prim; 207 *sec = p2->sec; 208 return; 209 } 210 } 211 *prim = __collate_char_pri_table[*t].prim; 212 *sec = __collate_char_pri_table[*t].sec; 213} 214 215u_char * 216__collate_strdup(s) 217 u_char *s; 218{ 219 u_char *t = strdup(s); 220 221 if (t == NULL) 222 __collate_err(EX_OSERR, __FUNCTION__); 223 return (t); 224} 225 226void 227__collate_err(int ex, const char *f) 228{ 229 const char *s; 230 int serrno = errno; 231 232 s = _getprogname(); 233 _write(STDERR_FILENO, s, strlen(s)); 234 _write(STDERR_FILENO, ": ", 2); 235 s = f; 236 _write(STDERR_FILENO, s, strlen(s)); 237 _write(STDERR_FILENO, ": ", 2); 238 s = strerror(serrno); 239 _write(STDERR_FILENO, s, strlen(s)); 240 _write(STDERR_FILENO, "\n", 1); 241 exit(ex); 242} 243 244#ifdef COLLATE_DEBUG 245void 246__collate_print_tables() 247{ 248 int i; 249 struct __collate_st_chain_pri *p2; 250 251 printf("Substitute table:\n"); 252 for (i = 0; i < UCHAR_MAX + 1; i++) 253 if (i != *__collate_substitute_table[i]) 254 printf("\t'%c' --> \"%s\"\n", i, 255 __collate_substitute_table[i]); 256 printf("Chain priority table:\n"); 257 for (p2 = __collate_chain_pri_table; p2->str[0]; p2++) 258 printf("\t\"%s\" : %d %d\n\n", p2->str, p2->prim, p2->sec); 259 printf("Char priority table:\n"); 260 for (i = 0; i < UCHAR_MAX + 1; i++) 261 printf("\t'%c' : %d %d\n", i, __collate_char_pri_table[i].prim, 262 __collate_char_pri_table[i].sec); 263} 264#endif
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