1 | /*************************************************************************** |
2 | * _ _ ____ _ |
3 | * Project ___| | | | _ \| | |
4 | * / __| | | | |_) | | |
5 | * | (__| |_| | _ <| |___ |
6 | * \___|\___/|_| \_\_____| |
7 | * |
8 | * Copyright (C) 1998 - 2019, 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 | #include "curl_get_line.h" |
26 | #include "curl_memory.h" |
27 | /* The last #include file should be: */ |
28 | #include "memdebug.h" |
29 | |
30 | /* |
31 | * get_line() makes sure to only return complete whole lines that fit in 'len' |
32 | * bytes and end with a newline. |
33 | */ |
34 | char *Curl_get_line(char *buf, int len, FILE *input) |
35 | { |
36 | bool partial = FALSE; |
37 | while(1) { |
38 | char *b = fgets(buf, len, input); |
39 | if(b) { |
40 | size_t rlen = strlen(b); |
41 | if(rlen && (b[rlen-1] == '\n')) { |
42 | if(partial) { |
43 | partial = FALSE; |
44 | continue; |
45 | } |
46 | return b; |
47 | } |
48 | /* read a partial, discard the next piece that ends with newline */ |
49 | partial = TRUE; |
50 | } |
51 | else |
52 | break; |
53 | } |
54 | return NULL; |
55 | } |
56 | |