libatalk/util/strdicasecmp.c

   1 #include <atalk/util.h>
   2
   3 unsigned const char     _diacasemap[] = {
   4         /* map  value   name */
   5         0       /* 0    NUL*/,
   6         1       /* 1    SOH*/,
   7         2       /* 2    STX*/,
   8         3       /* 3    ETX*/,
   9         4       /* 4    EOT*/,
  10         5       /* 5    ENQ*/,
  11         6       /* 6    ACK*/,
  12         7       /* 7    BEL*/,
  13         8       /* 8    BS*/,
  14         9       /* 9    HT*/,
  15         10      /* 10   NL*/,
  16         11      /* 11   VT*/,
  17         12      /* 12   NP*/,
  18         13      /* 13   CR*/,
  19         14      /* 14   SO*/,
  20         15      /* 15   SI*/,
  21         16      /* 16   DLE*/,
  22         17      /* 17   DC1*/,
  23         18      /* 18   DC2*/,
  24         19      /* 19   DC3*/,
  25         20      /* 20   DC4*/,
  26         21      /* 21   NAK*/,
  27         22      /* 22   SYN*/,
  28         23      /* 23   ETB*/,
  29         24      /* 24   CAN*/,
  30         25      /* 25   EM*/,
  31         26      /* 26   SUB*/,
  32         27      /* 27   ESC*/,
  33         28      /* 28   FS*/,
  34         29      /* 29   GS*/,
  35         30      /* 30   RS*/,
  36         31      /* 31   US*/,
  37         32      /* 32   SP*/,
  38         33      /* 33    ! */,
  39         34      /* 34    " */,
  40         35      /* 35    # */,
  41         36      /* 36    $ */,
  42         37      /* 37    % */,
  43         38      /* 38    & */,
  44         39      /* 39    ' */,
  45         40      /* 40    ( */,
  46         41      /* 41    ) */,
  47         42      /* 42    * */,
  48         43      /* 43    + */,
  49         44      /* 44    , */,
  50         45      /* 45    - */,
  51         46      /* 46    . */,
  52         47      /* 47    / */,
  53         48      /* 48    0 */,
  54         49      /* 49    1 */,
  55         50      /* 50    2 */,
  56         51      /* 51    3 */,
  57         52      /* 52    4 */,
  58         53      /* 53    5 */,
  59         54      /* 54    6 */,
  60         55      /* 55    7 */,
  61         56      /* 56    8 */,
  62         57      /* 57    9 */,
  63         58      /* 58    : */,
  64         59      /* 59    ; */,
  65         60      /* 60    < */,
  66         61      /* 61    = */,
  67         62      /* 62    > */,
  68         63      /* 63    ? */,
  69         64      /* 64    @ */,
  70         65      /* 65    A */,
  71         66      /* 66    B */,
  72         67      /* 67    C */,
  73         68      /* 68    D */,
  74         69      /* 69    E */,
  75         70      /* 70    F */,
  76         71      /* 71    G */,
  77         72      /* 72    H */,
  78         73      /* 73    I */,
  79         74      /* 74    J */,
  80         75      /* 75    K */,
  81         76      /* 76    L */,
  82         77      /* 77    M */,
  83         78      /* 78    N */,
  84         79      /* 79    O */,
  85         80      /* 80    P */,
  86         81      /* 81    Q */,
  87         82      /* 82    R */,
  88         83      /* 83    S */,
  89         84      /* 84    T */,
  90         85      /* 85    U */,
  91         86      /* 86    V */,
  92         87      /* 87    W */,
  93         88      /* 88    X */,
  94         89      /* 89    Y */,
  95         90      /* 90    Z */,
  96         91      /* 91    [ */,
  97         92      /* 92    \ */,
  98         93      /* 93    ] */,
  99         94      /* 94    ^ */,
 100         95      /* 95    _ */,
 101         96      /* 96    ` */,
 102         65      /* 97    a */,
 103         66      /* 98    b */,
 104         67      /* 99    c */,
 105         68      /* 100   d */,
 106         69      /* 101   e */,
 107         70      /* 102   f */,
 108         71      /* 103   g */,
 109         72      /* 104   h */,
 110         73      /* 105   i */,
 111         74      /* 106   j */,
 112         75      /* 107   k */,
 113         76      /* 108   l */,
 114         77      /* 109   m */,
 115         78      /* 110   n */,
 116         79      /* 111   o */,
 117         80      /* 112   p */,
 118         81      /* 113   q */,
 119         82      /* 114   r */,
 120         83      /* 115   s */,
 121         84      /* 116   t */,
 122         85      /* 117   u */,
 123         86      /* 118   v */,
 124         87      /* 119   w */,
 125         88      /* 120   x */,
 126         89      /* 121   y */,
 127         90      /* 122   z */,
 128         123     /* 123   { */,
 129         124     /* 124   | */,
 130         125     /* 125   } */,
 131         126     /* 126   ~ */,
 132         127     /* 127  DEL*/,
 133         128     /* 128  Adieresis*/,
 134         129     /* 129  Aring*/,
 135         130     /* 130  Ccedilla*/,
 136         131     /* 131  Eacute*/,
 137         132     /* 132  Ntilda*/,
 138         133     /* 133  Odieresis*/,
 139         134     /* 134  Udieresis*/,
 140         231     /* 135  aacute*/,
 141         203     /* 136  agrave*/,
 142         229     /* 137  acircumflex*/,
 143         128     /* 138  adieresis*/,
 144         204     /* 139  atilda*/,
 145         129     /* 140  aring*/,
 146         130     /* 141  ccedilla*/,
 147         131     /* 142  eacute*/,
 148         233     /* 143  egrave*/,
 149         230     /* 144  ecircumflex*/,
 150         232     /* 145  edieresis*/,
 151         234     /* 146  iacute*/,
 152         237     /* 147  igrave*/,
 153         235     /* 148  icircumflex*/,
 154         236     /* 149  idieresis*/,
 155         132     /* 150  ntilda*/,
 156         238     /* 151  oacute*/,
 157         241     /* 152  ograve*/,
 158         239     /* 153  ocircumflex*/,
 159         133     /* 154  odieresis*/,
 160         205     /* 155  otilda*/,
 161         242     /* 156  uacute*/,
 162         244     /* 157  ugrave*/,
 163         243     /* 158  ucircumflex*/,
 164         134     /* 159  udieresis*/,
 165         160     /* 160  daggar*/,
 166         161     /* 161  ring*/,
 167         162     /* 162  cent*/,
 168         163     /* 163  sterling*/,
 169         164     /* 164  section*/,
 170         165     /* 165  bullet*/,
 171         166     /* 166  paragraph*/,
 172         167     /* 167  germandbls*/,
 173         168     /* 168  registered*/,
 174         169     /* 169  copyright*/,
 175         170     /* 170  trademark*/,
 176         171     /* 171  acute*/,
 177         172     /* 172  dieresis*/,
 178         173     /* 173  notequal*/,
 179         174     /* 174  AE*/,
 180         175     /* 175  Oslash*/,
 181         176     /* 176  infinity*/,
 182         177     /* 177  plusminus*/,
 183         178     /* 178  lessequal*/,
 184         179     /* 179  greaterequal*/,
 185         180     /* 180  yen*/,
 186         181     /* 181  mu*/,
 187         198     /* 182  delta*/,
 188         183     /* 183  Sigma*/,
 189         184     /* 184  Pi*/,
 190         184     /* 185  pi*/,
 191         186     /* 186  intergral*/,
 192         187     /* 187  ordfeminine*/,
 193         188     /* 188  ordmasculine*/,
 194         189     /* 189  Omega*/,
 195         174     /* 190  ae*/,
 196         175     /* 191  oslash*/,
 197         192     /* 192  questiondown*/,
 198         193     /* 193  exclamdown*/,
 199         194     /* 194  not*/,
 200         195     /* 195  radical*/,
 201         196     /* 196  florin*/,
 202         197     /* 197  aprox*/,
 203         198     /* 198  Delta*/,
 204         199     /* 199  guillemotleft*/,
 205         200     /* 200  guillemotright*/,
 206         201     /* 201  ellipsis*/,
 207         202     /* 202  */,
 208         203     /* 203  Agrave*/,
 209         204     /* 204  Atilda*/,
 210         205     /* 205  Otilda*/,
 211         206     /* 206  OE*/,
 212         206     /* 207  oe*/,
 213         208     /* 208  endash*/,
 214         209     /* 209  emdash*/,
 215         210     /* 210  quotedblleft*/,
 216         211     /* 211  quotedblright*/,
 217         212     /* 212  quoteleft*/,
 218         213     /* 213  quoteright*/,
 219         214     /* 214  divide*/,
 220         215     /* 215  diamond*/,
 221         217     /* 216  ydieresis*/,
 222         217     /* 217  Ydieresis*/,
 223         218     /* 218  fraction*/,
 224         219     /* 219  currency*/,
 225         220     /* 220  guilsinglleft*/,
 226         221     /* 221  guilsinglright*/,
 227         222     /* 222  fi*/,
 228         223     /* 223  fl*/,
 229         224     /* 224  daggardbl*/,
 230         225     /* 225  periodcentered*/,
 231         226     /* 226  quotesinglbase*/,
 232         227     /* 227  quotedblbase*/,
 233         228     /* 228  perthousand*/,
 234         229     /* 229  Acircumflex*/,
 235         230     /* 230  Ecircumflex*/,
 236         231     /* 231  Aaccute*/,
 237         232     /* 232  Edieresis*/,
 238         233     /* 233  Egrave*/,
 239         234     /* 234  Iaccute*/,
 240         235     /* 235  Icircumflex*/,
 241         236     /* 236  Idieresis*/,
 242         237     /* 237  Igrave*/,
 243         238     /* 238  Oaccute*/,
 244         239     /* 239  Ocircumflex*/,
 245         240     /* 240  apple*/,
 246         241     /* 241  Ograve*/,
 247         242     /* 242  Uaccute*/,
 248         243     /* 243  Ucircumflex*/,
 249         244     /* 244  Ugrave*/,
 250         245     /* 245  dotlessi*/,
 251         246     /* 246  circumflex*/,
 252         247     /* 247  tilda*/,
 253         248     /* 248  macron*/,
 254         249     /* 249  breve*/,
 255         250     /* 250  dotaccent*/,
 256         251     /* 251  ring*/,
 257         252     /* 252  cedilla*/,
 258         253     /* 253  hungarumlaut*/,
 259         254     /* 254  ogonek*/,
 260         255     /* 255  caron*/,
 261 };
 262
 263 unsigned const char     _dialowermap[] = {
 264         /* map  value   name */
 265         0       /* 0    NUL*/,
 266         1       /* 1    SOH*/,
 267         2       /* 2    STX*/,
 268         3       /* 3    ETX*/,
 269         4       /* 4    EOT*/,
 270         5       /* 5    ENQ*/,
 271         6       /* 6    ACK*/,
 272         7       /* 7    BEL*/,
 273         8       /* 8    BS*/,
 274         9       /* 9    HT*/,
 275         10      /* 10   NL*/,
 276         11      /* 11   VT*/,
 277         12      /* 12   NP*/,
 278         13      /* 13   CR*/,
 279         14      /* 14   SO*/,
 280         15      /* 15   SI*/,
 281         16      /* 16   DLE*/,
 282         17      /* 17   DC1*/,
 283         18      /* 18   DC2*/,
 284         19      /* 19   DC3*/,
 285         20      /* 20   DC4*/,
 286         21      /* 21   NAK*/,
 287         22      /* 22   SYN*/,
 288         23      /* 23   ETB*/,
 289         24      /* 24   CAN*/,
 290         25      /* 25   EM*/,
 291         26      /* 26   SUB*/,
 292         27      /* 27   ESC*/,
 293         28      /* 28   FS*/,
 294         29      /* 29   GS*/,
 295         30      /* 30   RS*/,
 296         31      /* 31   US*/,
 297         32      /* 32   SP*/,
 298         33      /* 33    ! */,
 299         34      /* 34    " */,
 300         35      /* 35    # */,
 301         36      /* 36    $ */,
 302         37      /* 37    % */,
 303         38      /* 38    & */,
 304         39      /* 39    ' */,
 305         40      /* 40    ( */,
 306         41      /* 41    ) */,
 307         42      /* 42    * */,
 308         43      /* 43    + */,
 309         44      /* 44    , */,
 310         45      /* 45    - */,
 311         46      /* 46    . */,
 312         47      /* 47    / */,
 313         48      /* 48    0 */,
 314         49      /* 49    1 */,
 315         50      /* 50    2 */,
 316         51      /* 51    3 */,
 317         52      /* 52    4 */,
 318         53      /* 53    5 */,
 319         54      /* 54    6 */,
 320         55      /* 55    7 */,
 321         56      /* 56    8 */,
 322         57      /* 57    9 */,
 323         58      /* 58    : */,
 324         59      /* 59    ; */,
 325         60      /* 60    < */,
 326         61      /* 61    = */,
 327         62      /* 62    > */,
 328         63      /* 63    ? */,
 329         64      /* 64    @ */,
 330         97      /* 65    A */,
 331         98      /* 66    B */,
 332         99      /* 67    C */,
 333         100     /* 68    D */,
 334         101     /* 69    E */,
 335         102     /* 70    F */,
 336         103     /* 71    G */,
 337         104     /* 72    H */,
 338         105     /* 73    I */,
 339         106     /* 74    J */,
 340         107     /* 75    K */,
 341         108     /* 76    L */,
 342         109     /* 77    M */,
 343         110     /* 78    N */,
 344         111     /* 79    O */,
 345         112     /* 80    P */,
 346         113     /* 81    Q */,
 347         114     /* 82    R */,
 348         115     /* 83    S */,
 349         116     /* 84    T */,
 350         117     /* 85    U */,
 351         118     /* 86    V */,
 352         119     /* 87    W */,
 353         120     /* 88    X */,
 354         121     /* 89    Y */,
 355         122     /* 90    Z */,
 356         91      /* 91    [ */,
 357         92      /* 92    \ */,
 358         93      /* 93    ] */,
 359         94      /* 94    ^ */,
 360         95      /* 95    _ */,
 361         96      /* 96    ` */,
 362         97      /* 97    a */,
 363         98      /* 98    b */,
 364         99      /* 99    c */,
 365         100     /* 100   d */,
 366         101     /* 101   e */,
 367         102     /* 102   f */,
 368         103     /* 103   g */,
 369         104     /* 104   h */,
 370         105     /* 105   i */,
 371         106     /* 106   j */,
 372         107     /* 107   k */,
 373         108     /* 108   l */,
 374         109     /* 109   m */,
 375         110     /* 110   n */,
 376         111     /* 111   o */,
 377         112     /* 112   p */,
 378         113     /* 113   q */,
 379         114     /* 114   r */,
 380         115     /* 115   s */,
 381         116     /* 116   t */,
 382         117     /* 117   u */,
 383         118     /* 118   v */,
 384         119     /* 119   w */,
 385         120     /* 120   x */,
 386         121     /* 121   y */,
 387         122     /* 122   z */,
 388         123     /* 123   { */,
 389         124     /* 124   | */,
 390         125     /* 125   } */,
 391         126     /* 126   ~ */,
 392         127     /* 127  DEL*/,
 393         138     /* 128  Adieresis*/,
 394         140     /* 129  Aring*/,
 395         141     /* 130  Ccedilla*/,
 396         142     /* 131  Eacute*/,
 397         150     /* 132  Ntilda*/,
 398         154     /* 133  Odieresis*/,
 399         159     /* 134  Udieresis*/,
 400         135     /* 135  aacute*/,
 401         136     /* 136  agrave*/,
 402         137     /* 137  acircumflex*/,
 403         138     /* 138  adieresis*/,
 404         139     /* 139  atilda*/,
 405         140     /* 140  aring*/,
 406         141     /* 141  ccedilla*/,
 407         142     /* 142  eacute*/,
 408         143     /* 143  egrave*/,
 409         144     /* 144  ecircumflex*/,
 410         145     /* 145  edieresis*/,
 411         146     /* 146  iacute*/,
 412         147     /* 147  igrave*/,
 413         148     /* 148  icircumflex*/,
 414         149     /* 149  idieresis*/,
 415         132     /* 150  ntilda*/,
 416         151     /* 151  oacute*/,
 417         152     /* 152  ograve*/,
 418         153     /* 153  ocircumflex*/,
 419         154     /* 154  odieresis*/,
 420         155     /* 155  otilda*/,
 421         156     /* 156  uacute*/,
 422         157     /* 157  ugrave*/,
 423         158     /* 158  ucircumflex*/,
 424         159     /* 159  udieresis*/,
 425         160     /* 160  daggar*/,
 426         161     /* 161  ring*/,
 427         162     /* 162  cent*/,
 428         163     /* 163  sterling*/,
 429         164     /* 164  section*/,
 430         165     /* 165  bullet*/,
 431         166     /* 166  paragraph*/,
 432         167     /* 167  germandbls*/,
 433         168     /* 168  registered*/,
 434         169     /* 169  copyright*/,
 435         170     /* 170  trademark*/,
 436         171     /* 171  acute*/,
 437         172     /* 172  dieresis*/,
 438         173     /* 173  notequal*/,
 439         190     /* 174  AE*/,
 440         191     /* 175  Oslash*/,
 441         176     /* 176  infinity*/,
 442         177     /* 177  plusminus*/,
 443         178     /* 178  lessequal*/,
 444         179     /* 179  greaterequal*/,
 445         180     /* 180  yen*/,
 446         181     /* 181  mu*/,
 447         198     /* 182  delta*/,
 448         183     /* 183  Sigma*/,
 449         185     /* 184  Pi*/,
 450         185     /* 185  pi*/,
 451         186     /* 186  intergral*/,
 452         187     /* 187  ordfeminine*/,
 453         188     /* 188  ordmasculine*/,
 454         189     /* 189  Omega*/,
 455         190     /* 190  ae*/,
 456         191     /* 191  oslash*/,
 457         192     /* 192  questiondown*/,
 458         193     /* 193  exclamdown*/,
 459         194     /* 194  not*/,
 460         195     /* 195  radical*/,
 461         196     /* 196  florin*/,
 462         197     /* 197  aprox*/,
 463         198     /* 198  Delta*/,
 464         199     /* 199  guillemotleft*/,
 465         200     /* 200  guillemotright*/,
 466         201     /* 201  ellipsis*/,
 467         202     /* 202  */,
 468         136     /* 203  Agrave*/,
 469         139     /* 204  Atilda*/,
 470         155     /* 205  Otilda*/,
 471         207     /* 206  OE*/,
 472         207     /* 207  oe*/,
 473         208     /* 208  endash*/,
 474         209     /* 209  emdash*/,
 475         210     /* 210  quotedblleft*/,
 476         211     /* 211  quotedblright*/,
 477         212     /* 212  quoteleft*/,
 478         213     /* 213  quoteright*/,
 479         214     /* 214  divide*/,
 480         215     /* 215  diamond*/,
 481         217     /* 216  ydieresis*/,
 482         217     /* 217  Ydieresis*/,
 483         218     /* 218  fraction*/,
 484         219     /* 219  currency*/,
 485         220     /* 220  guilsinglleft*/,
 486         221     /* 221  guilsinglright*/,
 487         222     /* 222  fi*/,
 488         223     /* 223  fl*/,
 489         224     /* 224  daggardbl*/,
 490         225     /* 225  periodcentered*/,
 491         226     /* 226  quotesinglbase*/,
 492         227     /* 227  quotedblbase*/,
 493         228     /* 228  perthousand*/,
 494         137     /* 229  Acircumflex*/,
 495         144     /* 230  Ecircumflex*/,
 496         135     /* 231  Aacute*/,
 497         145     /* 232  Edieresis*/,
 498         143     /* 233  Egrave*/,
 499         146     /* 234  Iaccute*/,
 500         148     /* 235  Icircumflex*/,
 501         149     /* 236  Idieresis*/,
 502         147     /* 237  Igrave*/,
 503         151     /* 238  Oacute*/,
 504         153     /* 239  Ocircumflex*/,
 505         240     /* 240  apple*/,
 506         152     /* 241  Ograve*/,
 507         156     /* 242  Uacute*/,
 508         158     /* 243  Ucircumflex*/,
 509         157     /* 244  Ugrave*/,
 510         245     /* 245  dotlessi*/,
 511         246     /* 246  circumflex*/,
 512         247     /* 247  tilda*/,
 513         248     /* 248  macron*/,
 514         249     /* 249  breve*/,
 515         250     /* 250  dotaccent*/,
 516         251     /* 251  ring*/,
 517         252     /* 252  cedilla*/,
 518         253     /* 253  hungarumlaut*/,
 519         254     /* 254  ogonek*/,
 520         255     /* 255  caron*/,
 521 };
 522
 523 int strdiacasecmp( s1, s2 )
 524     const unsigned char *s1, *s2;
 525 {
 526     while ( _diacasemap[ *s1 ] == _diacasemap[ *s2++ ] ) {
 527         if ( *s1++ == '\0' ) {
 528             return( 0 );
 529         }
 530     }
 531     return( _diacasemap[ *s1 ] - _diacasemap[ *--s2 ] );
 532 }
 533
 534 int strndiacasecmp( s1, s2, n )
 535     const unsigned char *s1, *s2;
 536     int                 n;
 537 {
 538     while ( --n >= 0 && _diacasemap[ *s1 ] == _diacasemap[ *s2++ ] ) {
 539         if ( *s1++ == '\0' ) {
 540             return( 0 );
 541         }
 542     }
 543     return( n < 0 ? 0 : _diacasemap[ *s1 ] - _diacasemap[ *--s2 ] );
 544 }