1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2020, 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
23 #include "curl_setup.h"
24
25 #if !defined(CURL_DISABLE_COOKIES) && !defined(CURL_DISABLE_ALTSVC)
26
27 #include "curl_get_line.h"
28 #include "curl_memory.h"
29 /* The last #include file should be: */
30 #include "memdebug.h"
31
32 /*
33 * get_line() makes sure to only return complete whole lines that fit in 'len'
34 * bytes and end with a newline.
35 */
Curl_get_line(char * buf,int len,FILE * input)36 char *Curl_get_line(char *buf, int len, FILE *input)
37 {
38 bool partial = FALSE;
39 while(1) {
40 char *b = fgets(buf, len, input);
41 if(b) {
42 size_t rlen = strlen(b);
43 if(rlen && (b[rlen-1] == '\n')) {
44 if(partial) {
45 partial = FALSE;
46 continue;
47 }
48 return b;
49 }
50 /* read a partial, discard the next piece that ends with newline */
51 partial = TRUE;
52 }
53 else
54 break;
55 }
56 return NULL;
57 }
58
59 #endif /* if not disabled */
60