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Annotation of embedaddon/curl/src/tool_strdup.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 1998 - 2015, 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
        !             9:  *
        !            10:  * This software is licensed as described in the file COPYING, which
        !            11:  * you should have received as part of this distribution. The terms
        !            12:  * are also available at https://curl.haxx.se/docs/copyright.html.
        !            13:  *
        !            14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
        !            15:  * copies of the Software, and permit persons to whom the Software is
        !            16:  * furnished to do so, under the terms of the COPYING file.
        !            17:  *
        !            18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
        !            19:  * KIND, either express or implied.
        !            20:  *
        !            21:  ***************************************************************************/
        !            22: #include "tool_strdup.h"
        !            23: 
        !            24: #ifndef HAVE_STRDUP
        !            25: char *strdup(const char *str)
        !            26: {
        !            27:   size_t len;
        !            28:   char *newstr;
        !            29: 
        !            30:   if(!str)
        !            31:     return (char *)NULL;
        !            32: 
        !            33:   len = strlen(str);
        !            34: 
        !            35:   if(len >= ((size_t)-1) / sizeof(char))
        !            36:     return (char *)NULL;
        !            37: 
        !            38:   newstr = malloc((len + 1)*sizeof(char));
        !            39:   if(!newstr)
        !            40:     return (char *)NULL;
        !            41: 
        !            42:   memcpy(newstr, str, (len + 1)*sizeof(char));
        !            43: 
        !            44:   return newstr;
        !            45: 
        !            46: }
        !            47: #endif