Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zint/backend/tests/fuzz/fuzz_data.c @ 22:d77477b4e151

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Let _int_rc() also handle (i.e. ignore) a local version suffix
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 12:05:57 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2
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1 /* fuzz_data.c - fuzzer for libzint (DATA_MODE, all symbologies except GS1_128, DBAR_EXP/STK & composites) */
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2 /*
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3 libzint - the open source barcode library
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4 Copyright (C) 2024 Robin Stuart <rstuart114@gmail.com>
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5
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6 Redistribution and use in source and binary forms, with or without
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7 modification, are permitted provided that the following conditions
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8 are met:
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10 1. Redistributions of source code must retain the above copyright
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11 notice, this list of conditions and the following disclaimer.
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12 2. Redistributions in binary form must reproduce the above copyright
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13 notice, this list of conditions and the following disclaimer in the
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14 documentation and/or other materials provided with the distribution.
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15 3. Neither the name of the project nor the names of its contributors
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16 may be used to endorse or promote products derived from this software
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17 without specific prior written permission.
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19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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25 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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28 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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29 SUCH DAMAGE.
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30 */
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31 /* SPDX-License-Identifier: BSD-3-Clause */
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33 #ifdef __cplusplus
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34 extern "C" {
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35 #endif /* __cplusplus */
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37 #if 0
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38 #define Z_FUZZ_DEBUG /* Set `symbol->debug` flag */
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39 #define Z_FUZZ_SET_OUTPUT_OPTIONS /* Set `symbol->output_options` */
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40 #endif
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41 #include "fuzz.h"
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43 int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size) {
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44 struct zint_symbol *symbol;
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45 int idx;
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47 /* Ignore empty or very large input */
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48 if (size < 1 || size > 10000) {
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49 return 0;
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50 }
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52 symbol = ZBarcode_Create();
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53 assert(symbol);
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55 for (idx = 0; idx < ZARRAY_SIZE(settings); idx++) {
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56 const unsigned char *input;
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57 int length;
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58 int ret;
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60 if (!ZBarcode_ValidID(idx)) {
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61 continue;
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62 }
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63 if (idx == BARCODE_GS1_128 || idx == BARCODE_DBAR_EXP || idx == BARCODE_DBAR_EXPSTK
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64 || (ZBarcode_Cap(idx, ZINT_CAP_COMPOSITE) & ZINT_CAP_COMPOSITE)) {
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65 continue;
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66 }
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68 input = data;
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69 length = set_symbol(symbol, idx, 1 /*chk_sane*/, 0 /*no_eci*/, &input, size);
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70 if (!length) {
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71 continue;
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72 }
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74 ret = ZBarcode_Encode(symbol, input, length);
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75 assert(ret != ZINT_ERROR_ENCODING_PROBLEM);
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76 }
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78 ZBarcode_Delete(symbol);
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80 return 0;
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81 }
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82
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83 #ifdef __cplusplus
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84 }
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85 #endif /* __cplusplus */
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86
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87 /* vim: set ts=4 sw=4 et : */