[164] | 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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