LCOV - code coverage report
Current view: directory - nsprpub/lib/libc/src - strcase.c (source / functions) Found Hit Coverage
Test: app.info Lines: 63 40 63.5 %
Date: 2012-06-02 Functions: 6 4 66.7 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the Netscape Portable Runtime (NSPR).
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998-2000
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "plstr.h"
      39                 : #include <string.h>
      40                 : 
      41                 : static const unsigned char uc[] =
      42                 : {
      43                 :     '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
      44                 :     '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
      45                 :     '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
      46                 :     '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
      47                 :     ' ',    '!',    '"',    '#',    '$',    '%',    '&',    '\'',
      48                 :     '(',    ')',    '*',    '+',    ',',    '-',    '.',    '/',
      49                 :     '0',    '1',    '2',    '3',    '4',    '5',    '6',    '7',
      50                 :     '8',    '9',    ':',    ';',    '<',    '=',    '>',    '?',
      51                 :     '@',    'A',    'B',    'C',    'D',    'E',    'F',    'G',
      52                 :     'H',    'I',    'J',    'K',    'L',    'M',    'N',    'O',
      53                 :     'P',    'Q',    'R',    'S',    'T',    'U',    'V',    'W',
      54                 :     'X',    'Y',    'Z',    '[',    '\\',   ']',    '^',    '_',
      55                 :     '`',    'A',    'B',    'C',    'D',    'E',    'F',    'G',
      56                 :     'H',    'I',    'J',    'K',    'L',    'M',    'N',    'O',
      57                 :     'P',    'Q',    'R',    'S',    'T',    'U',    'V',    'W',
      58                 :     'X',    'Y',    'Z',    '{',    '|',    '}',    '~',    '\177',
      59                 :     0200,   0201,   0202,   0203,   0204,   0205,   0206,   0207,
      60                 :     0210,   0211,   0212,   0213,   0214,   0215,   0216,   0217,
      61                 :     0220,   0221,   0222,   0223,   0224,   0225,   0226,   0227,
      62                 :     0230,   0231,   0232,   0233,   0234,   0235,   0236,   0237,
      63                 :     0240,   0241,   0242,   0243,   0244,   0245,   0246,   0247,
      64                 :     0250,   0251,   0252,   0253,   0254,   0255,   0256,   0257,
      65                 :     0260,   0261,   0262,   0263,   0264,   0265,   0266,   0267,
      66                 :     0270,   0271,   0272,   0273,   0274,   0275,   0276,   0277,
      67                 :     0300,   0301,   0302,   0303,   0304,   0305,   0306,   0307,
      68                 :     0310,   0311,   0312,   0313,   0314,   0315,   0316,   0317,
      69                 :     0320,   0321,   0322,   0323,   0324,   0325,   0326,   0327,
      70                 :     0330,   0331,   0332,   0333,   0334,   0335,   0336,   0337,
      71                 :     0340,   0341,   0342,   0343,   0344,   0345,   0346,   0347,
      72                 :     0350,   0351,   0352,   0353,   0354,   0355,   0356,   0357,
      73                 :     0360,   0361,   0362,   0363,   0364,   0365,   0366,   0367,
      74                 :     0370,   0371,   0372,   0373,   0374,   0375,   0376,   0377
      75                 : };
      76                 : 
      77                 : PR_IMPLEMENT(PRIntn)
      78         1424053 : PL_strcasecmp(const char *a, const char *b)
      79                 : {
      80         1424053 :     const unsigned char *ua = (const unsigned char *)a;
      81         1424053 :     const unsigned char *ub = (const unsigned char *)b;
      82                 : 
      83         1424053 :     if( ((const char *)0 == a) || (const char *)0 == b ) 
      84               2 :         return (PRIntn)(a-b);
      85                 : 
      86         6003720 :     while( (uc[*ua] == uc[*ub]) && ('\0' != *a) )
      87                 :     {
      88         3155618 :         a++;
      89         3155618 :         ua++;
      90         3155618 :         ub++;
      91                 :     }
      92                 : 
      93         1424051 :     return (PRIntn)(uc[*ua] - uc[*ub]);
      94                 : }
      95                 : 
      96                 : PR_IMPLEMENT(PRIntn)
      97         7541893 : PL_strncasecmp(const char *a, const char *b, PRUint32 max)
      98                 : {
      99         7541893 :     const unsigned char *ua = (const unsigned char *)a;
     100         7541893 :     const unsigned char *ub = (const unsigned char *)b;
     101                 : 
     102         7541893 :     if( ((const char *)0 == a) || (const char *)0 == b ) 
     103               0 :         return (PRIntn)(a-b);
     104                 : 
     105        16613313 :     while( max && (uc[*ua] == uc[*ub]) && ('\0' != *a) )
     106                 :     {
     107         1529527 :         a++;
     108         1529527 :         ua++;
     109         1529527 :         ub++;
     110         1529527 :         max--;
     111                 :     }
     112                 : 
     113         7541893 :     if( 0 == max ) return (PRIntn)0;
     114                 : 
     115         6820034 :     return (PRIntn)(uc[*ua] - uc[*ub]);
     116                 : }
     117                 : 
     118                 : PR_IMPLEMENT(char *)
     119            7616 : PL_strcasestr(const char *big, const char *little)
     120                 : {
     121                 :     PRUint32 ll;
     122                 : 
     123            7616 :     if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
     124            7612 :     if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
     125                 : 
     126            7384 :     ll = strlen(little);
     127                 : 
     128          228963 :     for( ; *big; big++ )
     129                 :         /* obvious improvement available here */
     130          224971 :             if( 0 == PL_strncasecmp(big, little, ll) )
     131            3392 :                 return (char *)big;
     132                 : 
     133            3992 :     return (char *)0;
     134                 : }
     135                 : 
     136                 : PR_IMPLEMENT(char *)
     137               0 : PL_strcaserstr(const char *big, const char *little)
     138                 : {
     139                 :     const char *p;
     140                 :     PRUint32 bl, ll;
     141                 : 
     142               0 :     if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
     143               0 :     if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
     144                 : 
     145               0 :     bl = strlen(big);
     146               0 :     ll = strlen(little);
     147               0 :     if( bl < ll ) return (char *)0;
     148               0 :     p = &big[ bl - ll ];
     149                 : 
     150               0 :     for( ; p >= big; p-- )
     151                 :         /* obvious improvement available here */
     152               0 :             if( 0 == PL_strncasecmp(p, little, ll) )
     153               0 :                 return (char *)p;
     154                 : 
     155               0 :     return (char *)0;
     156                 : }
     157                 : 
     158                 : PR_IMPLEMENT(char *)
     159          131454 : PL_strncasestr(const char *big, const char *little, PRUint32 max)
     160                 : {
     161                 :     PRUint32 ll;
     162                 : 
     163          131454 :     if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
     164          131454 :     if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
     165                 : 
     166          131454 :     ll = strlen(little);
     167          131454 :     if( ll > max ) return (char *)0;
     168           90808 :     max -= ll;
     169           90808 :     max++;
     170                 : 
     171          639079 :     for( ; max && *big; big++, max-- )
     172                 :         /* obvious improvement available here */
     173          548284 :             if( 0 == PL_strncasecmp(big, little, ll) )
     174              13 :                 return (char *)big;
     175                 : 
     176           90795 :     return (char *)0;
     177                 : }
     178                 : 
     179                 : PR_IMPLEMENT(char *)
     180               0 : PL_strncaserstr(const char *big, const char *little, PRUint32 max)
     181                 : {
     182                 :     const char *p;
     183                 :     PRUint32 ll;
     184                 : 
     185               0 :     if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
     186               0 :     if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
     187                 : 
     188               0 :     ll = strlen(little);
     189                 : 
     190               0 :     for( p = big; max && *p; p++, max-- )
     191                 :         ;
     192                 : 
     193               0 :     p -= ll;
     194               0 :     if( p < big ) return (char *)0;
     195                 : 
     196               0 :     for( ; p >= big; p-- )
     197                 :         /* obvious improvement available here */
     198               0 :             if( 0 == PL_strncasecmp(p, little, ll) )
     199               0 :                 return (char *)p;
     200                 : 
     201               0 :     return (char *)0;
     202                 : }

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