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 | */ |
39 | char *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 | |