The Tor Browser: nsprpub/lib/libc/src/strpbrk.c@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "plstr.h"

     7 #include <string.h>

     9 PR_IMPLEMENT(char *)

    10 PL_strpbrk(const char *s, const char *list)

    11 {

    12     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;

    14     return strpbrk(s, list);

    15 }

    17 PR_IMPLEMENT(char *)

    18 PL_strprbrk(const char *s, const char *list)

    19 {

    20     const char *p;

    21     const char *r;

    23     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;

    25     for( r = s; *r; r++ )

    26         ;

    28     for( r--; r >= s; r-- )

    29         for( p = list; *p; p++ )

    30             if( *r == *p )

    31                 return (char *)r;

    33     return (char *)0;

    34 }

    36 PR_IMPLEMENT(char *)

    37 PL_strnpbrk(const char *s, const char *list, PRUint32 max)

    38 {

    39     const char *p;

    41     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;

    43     for( ; max && *s; s++, max-- )

    44         for( p = list; *p; p++ )

    45             if( *s == *p )

    46                 return (char *)s;

    48     return (char *)0;

    49 }

    51 PR_IMPLEMENT(char *)

    52 PL_strnprbrk(const char *s, const char *list, PRUint32 max)

    53 {

    54     const char *p;

    55     const char *r;

    57     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;

    59     for( r = s; max && *r; r++, max-- )

    60         ;

    62     for( r--; r >= s; r-- )

    63         for( p = list; *p; p++ )

    64             if( *r == *p )

    65                 return (char *)r;

    67     return (char *)0;

    68 }

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