source: UsbWattMeter/trunk/curl-7.47.1/lib/strdup.c

Last change on this file was 167, checked in by coas-nagasima, 6 years ago

MIMEにSJISを設定

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-csrc; charset=SHIFT_JIS
File size: 2.0 KB
Line 
1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2015, 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 "curl_setup.h"
23#include "strdup.h"
24#include "curl_memory.h"
25
26/* The last #include file should be: */
27#include "memdebug.h"
28
29#ifndef HAVE_STRDUP
30char *curlx_strdup(const char *str)
31{
32 size_t len;
33 char *newstr;
34
35 if(!str)
36 return (char *)NULL;
37
38 len = strlen(str);
39
40 if(len >= ((size_t)-1) / sizeof(char))
41 return (char *)NULL;
42
43 newstr = malloc((len+1)*sizeof(char));
44 if(!newstr)
45 return (char *)NULL;
46
47 memcpy(newstr, str, (len+1)*sizeof(char));
48
49 return newstr;
50
51}
52#endif
53
54/***************************************************************************
55 *
56 * Curl_memdup(source, length)
57 *
58 * Copies the 'source' data to a newly allocated buffer (that is
59 * returned). Copies 'length' bytes.
60 *
61 * Returns the new pointer or NULL on failure.
62 *
63 ***************************************************************************/
64char *Curl_memdup(const char *src, size_t length)
65{
66 char *buffer = malloc(length);
67 if(!buffer)
68 return NULL; /* fail */
69
70 memcpy(buffer, src, length);
71
72 return buffer;
73}
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