curl/lib/curlx/strcopy.c
Viktor Szakats 614b94eecc
tidy-up: miscellaneous
- avoid "will" in builds scripts, scripts folder, curl_easy_ssls_export.md,
  and few other files.
- badwords: add "initialise", "nul terminated", "thread safety" and
  variations.
- prefer "null-terminat", where missing (two places).
- fix "null-terminat*" missing dash.
- hostip: merge two `#if` blocks.
- tool_doswin: fix comment
  Spotted by GitHub Code Quality
  Follow-up to 9a2663322c #17572
- fix stray spaces and newlines.

Closes #21638
2026-05-16 01:56:17 +02:00

50 lines
1.9 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#include "curlx/strcopy.h"
/*
* curlx_strcopy() is a replacement for strcpy.
*
* Provide the target buffer @dest and size of the target buffer @dsize, If
* the source string @src with its *string length* @slen fits in the target
* buffer it is copied there - including storing a null-terminator.
*
* If the target buffer is too small, the copy is not performed but if the
* target buffer has a non-zero size it gets a null-terminator stored.
*/
void curlx_strcopy(char *dest, /* destination buffer */
size_t dsize, /* size of target buffer */
const char *src, /* source string */
size_t slen) /* length of source string to copy */
{
DEBUGASSERT(slen < dsize);
if(slen < dsize) {
memcpy(dest, src, slen);
dest[slen] = 0;
}
else if(dsize)
dest[0] = 0;
}