LCOV - code coverage report
Current view: directory - nsprpub/lib/libc/src - strchr.c (source / functions) Found Hit Coverage
Test: app.info Lines: 21 6 28.6 %
Date: 2012-06-02 Functions: 4 2 50.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       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                 : PR_IMPLEMENT(char *)
      42           11497 : PL_strchr(const char *s, char c)
      43                 : {
      44           11497 :     if( (const char *)0 == s ) return (char *)0;
      45                 : 
      46           11497 :     return strchr(s, c);
      47                 : }
      48                 : 
      49                 : PR_IMPLEMENT(char *)
      50             178 : PL_strrchr(const char *s, char c)
      51                 : {
      52             178 :     if( (const char *)0 == s ) return (char *)0;
      53                 : 
      54             178 :     return strrchr(s, c);
      55                 : }
      56                 : 
      57                 : PR_IMPLEMENT(char *)
      58               0 : PL_strnchr(const char *s, char c, PRUint32 n)
      59                 : {
      60               0 :     if( (const char *)0 == s ) return (char *)0;
      61                 : 
      62               0 :     for( ; n && *s; s++, n-- )
      63               0 :         if( *s == c )
      64               0 :             return (char *)s;
      65                 : 
      66               0 :     if( ((char)0 == c) && (n > 0) && ((char)0 == *s) ) return (char *)s;
      67                 : 
      68               0 :     return (char *)0;
      69                 : }
      70                 : 
      71                 : PR_IMPLEMENT(char *)
      72               0 : PL_strnrchr(const char *s, char c, PRUint32 n)
      73                 : {
      74                 :     const char *p;
      75                 : 
      76               0 :     if( (const char *)0 == s ) return (char *)0;
      77                 : 
      78               0 :     for( p = s; n && *p; p++, n-- )
      79                 :         ;
      80                 : 
      81               0 :     if( ((char)0 == c) && (n > 0) && ((char)0 == *p) ) return (char *)p;
      82                 : 
      83               0 :     for( p--; p >= s; p-- )
      84               0 :         if( *p == c )
      85               0 :             return (char *)p;
      86                 : 
      87               0 :     return (char *)0;
      88                 : }

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