/src/PROJ/curl/lib/curl_get_line.c
Line | Count | Source (jump to first uncovered line) |
1 | | /*************************************************************************** |
2 | | * _ _ ____ _ |
3 | | * Project ___| | | | _ \| | |
4 | | * / __| | | | |_) | | |
5 | | * | (__| |_| | _ <| |___ |
6 | | * \___|\___/|_| \_\_____| |
7 | | * |
8 | | * Copyright (C) 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.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) || !defined(CURL_DISABLE_NETRC) |
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 | | static int appendnl(struct dynbuf *buf) |
36 | 0 | { |
37 | 0 | CURLcode result = curlx_dyn_addn(buf, "\n", 1); |
38 | 0 | if(result) |
39 | | /* too long line or out of memory */ |
40 | 0 | return 0; /* error */ |
41 | 0 | return 1; /* all good */ |
42 | 0 | } |
43 | | |
44 | | /* |
45 | | * Curl_get_line() makes sure to only return complete whole lines that end |
46 | | * newlines. |
47 | | */ |
48 | | int Curl_get_line(struct dynbuf *buf, FILE *input) |
49 | 0 | { |
50 | 0 | CURLcode result; |
51 | 0 | char buffer[128]; |
52 | 0 | curlx_dyn_reset(buf); |
53 | 0 | while(1) { |
54 | 0 | char *b = fgets(buffer, sizeof(buffer), input); |
55 | 0 | size_t rlen; |
56 | |
|
57 | 0 | if(b) { |
58 | 0 | rlen = strlen(b); |
59 | |
|
60 | 0 | if(!rlen) |
61 | 0 | break; |
62 | | |
63 | 0 | result = curlx_dyn_addn(buf, b, rlen); |
64 | 0 | if(result) |
65 | | /* too long line or out of memory */ |
66 | 0 | return 0; /* error */ |
67 | | |
68 | 0 | else if(b[rlen-1] == '\n') |
69 | | /* end of the line */ |
70 | 0 | return 1; /* all good */ |
71 | | |
72 | 0 | else if(feof(input)) |
73 | | /* append a newline */ |
74 | 0 | return appendnl(buf); |
75 | 0 | } |
76 | 0 | else { |
77 | 0 | rlen = curlx_dyn_len(buf); |
78 | 0 | if(rlen) { |
79 | 0 | b = curlx_dyn_ptr(buf); |
80 | |
|
81 | 0 | if(b[rlen-1] != '\n') |
82 | | /* append a newline */ |
83 | 0 | return appendnl(buf); |
84 | | |
85 | 0 | return 1; /* all good */ |
86 | 0 | } |
87 | 0 | else |
88 | 0 | break; |
89 | 0 | } |
90 | 0 | } |
91 | 0 | return 0; |
92 | 0 | } |
93 | | |
94 | | #endif /* if not disabled */ |