The Tor Browser: nsprpub/lib/libc/src/strtok.c@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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"

     8 PR_IMPLEMENT(char *)

     9 PL_strtok_r(char *s1, const char *s2, char **lasts)

    10 {

    11     const char *sepp;

    12     int         c, sc;

    13     char       *tok;

    15     if( s1 == NULL )

    16     {

    17         if( *lasts == NULL )

    18             return NULL;

    20         s1 = *lasts;

    21     }

    23     for( ; (c = *s1) != 0; s1++ )

    24     {

    25         for( sepp = s2 ; (sc = *sepp) != 0 ; sepp++ )

    26         {

    27             if( c == sc )

    28                 break;

    29         }

    30         if( sc == 0 )

    31             break;

    32     }

    34     if( c == 0 )

    35     {

    36         *lasts = NULL;

    37         return NULL;

    38     }

    40     tok = s1++;

    42     for( ; (c = *s1) != 0; s1++ )

    43     {

    44         for( sepp = s2; (sc = *sepp) != 0; sepp++ )

    45         {

    46             if( c == sc )

    47             {

    48                 *s1++ = '\0';

    49                 *lasts = s1;

    50                 return tok;

    51             }

    52         }

    53     }

    54     *lasts = NULL;

    55     return tok;

    56 }

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