1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2022, Daniel Stenberg, <[email protected]>, 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
25#include "curl_setup.h"
26
27#if !defined(CURL_DISABLE_COOKIES) || !defined(CURL_DISABLE_ALTSVC) || \
28 !defined(CURL_DISABLE_HSTS)
29
30#include "curl_get_line.h"
31#include "curl_memory.h"
32/* The last #include file should be: */
33#include "memdebug.h"
34
35/*
36 * get_line() makes sure to only return complete whole lines that fit in 'len'
37 * bytes and end with a newline.
38 */
39char *Curl_get_line(char *buf, int len, FILE *input)
40{
41 bool partial = FALSE;
42 while(1) {
43 char *b = fgets(buf, len, input);
44 if(b) {
45 size_t rlen = strlen(b);
46 if(rlen && (b[rlen-1] == '\n')) {
47 if(partial) {
48 partial = FALSE;
49 continue;
50 }
51 return b;
52 }
53 /* read a partial, discard the next piece that ends with newline */
54 partial = TRUE;
55 }
56 else
57 break;
58 }
59 return NULL;
60}
61
62#endif /* if not disabled */
63