| 1 | /***************************************************************************
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| 2 | * _ _ ____ _
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| 3 | * Project ___| | | | _ \| |
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| 4 | * / __| | | | |_) | |
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| 5 | * | (__| |_| | _ <| |___
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| 6 | * \___|\___/|_| \_\_____|
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| 7 | *
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| 8 | * Copyright (C) Daniel Stenberg, <[email protected]>, et al.
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| 9 | *
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| 10 | * This software is licensed as described in the file COPYING, which
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| 11 | * you should have received as part of this distribution. The terms
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| 12 | * are also available at https://curl.se/docs/copyright.html.
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| 13 | *
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| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 15 | * copies of the Software, and permit persons to whom the Software is
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| 16 | * furnished to do so, under the terms of the COPYING file.
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| 17 | *
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| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 19 | * KIND, either express or implied.
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| 20 | *
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| 21 | * SPDX-License-Identifier: curl
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| 22 | *
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| 23 | ***************************************************************************/
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| 24 |
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| 25 | #include "curl_setup.h"
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| 26 |
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| 27 | #if !defined(CURL_DISABLE_COOKIES) || !defined(CURL_DISABLE_ALTSVC) || \
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| 28 | !defined(CURL_DISABLE_HSTS) || !defined(CURL_DISABLE_NETRC)
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| 29 |
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| 30 | #include "curl_get_line.h"
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| 31 | #include "curl_memory.h"
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| 32 | /* The last #include file should be: */
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| 33 | #include "memdebug.h"
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| 34 |
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| 35 | /*
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| 36 | * Curl_get_line() makes sure to only return complete whole lines that end
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| 37 | * newlines.
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| 38 | */
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| 39 | int Curl_get_line(struct dynbuf *buf, FILE *input)
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| 40 | {
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| 41 | CURLcode result;
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| 42 | char buffer[128];
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| 43 | Curl_dyn_reset(buf);
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| 44 | while(1) {
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| 45 | char *b = fgets(buffer, sizeof(buffer), input);
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| 46 |
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| 47 | if(b) {
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| 48 | size_t rlen = strlen(b);
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| 49 |
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| 50 | if(!rlen)
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| 51 | break;
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| 52 |
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| 53 | result = Curl_dyn_addn(buf, b, rlen);
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| 54 | if(result)
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| 55 | /* too long line or out of memory */
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| 56 | return 0; /* error */
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| 57 |
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| 58 | else if(b[rlen-1] == '\n')
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| 59 | /* end of the line */
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| 60 | return 1; /* all good */
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| 61 |
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| 62 | else if(feof(input)) {
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| 63 | /* append a newline */
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| 64 | result = Curl_dyn_addn(buf, "\n", 1);
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| 65 | if(result)
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| 66 | /* too long line or out of memory */
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| 67 | return 0; /* error */
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| 68 | return 1; /* all good */
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| 69 | }
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| 70 | }
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| 71 | else
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| 72 | break;
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| 73 | }
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| 74 | return 0;
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| 75 | }
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| 76 |
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| 77 | #endif /* if not disabled */
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