1 | /***************************************************************************
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2 | * _ _ ____ _
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3 | * Project ___| | | | _ \| |
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4 | * / __| | | | |_) | |
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5 | * | (__| |_| | _ <| |___
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6 | * \___|\___/|_| \_\_____|
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7 | *
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8 | * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 | *
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10 | * This software is licensed as described in the file COPYING, which
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11 | * you should have received as part of this distribution. The terms
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12 | * are also available at https://curl.haxx.se/docs/copyright.html.
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13 | *
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14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 | * copies of the Software, and permit persons to whom the Software is
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16 | * furnished to do so, under the terms of the COPYING file.
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17 | *
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18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 | * KIND, either express or implied.
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20 | *
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21 | ***************************************************************************/
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22 | #include "curl_setup.h"
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23 | #include "strdup.h"
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24 | #include "curl_memory.h"
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25 |
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26 | /* The last #include file should be: */
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27 | #include "memdebug.h"
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28 |
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29 | #ifndef HAVE_STRDUP
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30 | char *curlx_strdup(const char *str)
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31 | {
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32 | size_t len;
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33 | char *newstr;
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34 |
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35 | if(!str)
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36 | return (char *)NULL;
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37 |
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38 | len = strlen(str);
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39 |
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40 | if(len >= ((size_t)-1) / sizeof(char))
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41 | return (char *)NULL;
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42 |
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43 | newstr = malloc((len+1)*sizeof(char));
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44 | if(!newstr)
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45 | return (char *)NULL;
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46 |
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47 | memcpy(newstr, str, (len+1)*sizeof(char));
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48 |
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49 | return newstr;
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50 |
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51 | }
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52 | #endif
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53 |
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54 | /***************************************************************************
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55 | *
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56 | * Curl_memdup(source, length)
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57 | *
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58 | * Copies the 'source' data to a newly allocated buffer (that is
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59 | * returned). Copies 'length' bytes.
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60 | *
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61 | * Returns the new pointer or NULL on failure.
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62 | *
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63 | ***************************************************************************/
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64 | char *Curl_memdup(const char *src, size_t length)
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65 | {
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66 | char *buffer = malloc(length);
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67 | if(!buffer)
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68 | return NULL; /* fail */
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69 |
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70 | memcpy(buffer, src, length);
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71 |
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72 | return buffer;
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73 | }
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