/src/curl/lib/curlx/strcopy.c
Line | Count | Source |
1 | | /*************************************************************************** |
2 | | * _ _ ____ _ |
3 | | * Project ___| | | | _ \| | |
4 | | * / __| | | | |_) | | |
5 | | * | (__| |_| | _ <| |___ |
6 | | * \___|\___/|_| \_\_____| |
7 | | * |
8 | | * Copyright (C) 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.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 | | * SPDX-License-Identifier: curl |
22 | | * |
23 | | ***************************************************************************/ |
24 | | #include "../curl_setup.h" |
25 | | |
26 | | #include "strcopy.h" |
27 | | |
28 | | /* |
29 | | * curlx_strcopy() is a replacement for strcpy. |
30 | | * |
31 | | * Provide the target buffer @dest and size of the target buffer @dsize, If |
32 | | * the source string @src with its *string length* @slen fits in the target |
33 | | * buffer it will be copied there - including storing a null terminator. |
34 | | * |
35 | | * If the target buffer is too small, the copy is not performed but if the |
36 | | * target buffer has a non-zero size it will get a null terminator stored. |
37 | | */ |
38 | | void curlx_strcopy(char *dest, /* destination buffer */ |
39 | | size_t dsize, /* size of target buffer */ |
40 | | const char *src, /* source string */ |
41 | | size_t slen) /* length of source string to copy */ |
42 | 0 | { |
43 | 0 | DEBUGASSERT(slen < dsize); |
44 | 0 | if(slen < dsize) { |
45 | 0 | memcpy(dest, src, slen); |
46 | 0 | dest[slen] = 0; |
47 | 0 | } |
48 | 0 | else if(dsize) |
49 | 0 | dest[0] = 0; |
50 | 0 | } |