1 /* 2 __ __ _ 3 ___\ \/ /_ __ __ _| |_ 4 / _ \\ /| '_ \ / _` | __| 5 | __// \| |_) | (_| | |_ 6 \___/_/\_\ .__/ \__,_|\__| 7 |_| XML parser 8 9 Copyright (c) 2002-2004 Fred L. Drake, Jr. <fdrake@users.sourceforge.net> 10 Copyright (c) 2003 Greg Stein <gstein@users.sourceforge.net> 11 Copyright (c) 2016 Gilles Espinasse <g.esp@free.fr> 12 Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org> 13 Copyright (c) 2017 Joe Orton <jorton@redhat.com> 14 Copyright (c) 2017 Rhodri James <rhodri@wildebeest.org.uk> 15 Licensed under the MIT license: 16 17 Permission is hereby granted, free of charge, to any person obtaining 18 a copy of this software and associated documentation files (the 19 "Software"), to deal in the Software without restriction, including 20 without limitation the rights to use, copy, modify, merge, publish, 21 distribute, sublicense, and/or sell copies of the Software, and to permit 22 persons to whom the Software is furnished to do so, subject to the 23 following conditions: 24 25 The above copyright notice and this permission notice shall be included 26 in all copies or substantial portions of the Software. 27 28 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 29 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 30 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 31 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 32 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 33 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 34 USE OR OTHER DEALINGS IN THE SOFTWARE. 35 */ 36 37 #include <expat_config.h> 38 #include "minicheck.h" 39 40 #include <assert.h> 41 #include <stdio.h> 42 #include <string.h> 43 44 #include "chardata.h" 45 46 static int 47 xmlstrlen(const XML_Char *s) { 48 int len = 0; 49 assert(s != NULL); 50 while (s[len] != 0) 51 ++len; 52 return len; 53 } 54 55 void 56 CharData_Init(CharData *storage) { 57 assert(storage != NULL); 58 storage->count = -1; 59 } 60 61 void 62 CharData_AppendXMLChars(CharData *storage, const XML_Char *s, int len) { 63 int maxchars; 64 65 assert(storage != NULL); 66 assert(s != NULL); 67 maxchars = sizeof(storage->data) / sizeof(storage->data[0]); 68 if (storage->count < 0) 69 storage->count = 0; 70 if (len < 0) 71 len = xmlstrlen(s); 72 if ((len + storage->count) > maxchars) { 73 len = (maxchars - storage->count); 74 } 75 if (len + storage->count < (int)sizeof(storage->data)) { 76 memcpy(storage->data + storage->count, s, len * sizeof(storage->data[0])); 77 storage->count += len; 78 } 79 } 80 81 int 82 CharData_CheckXMLChars(CharData *storage, const XML_Char *expected) { 83 char buffer[1024]; 84 int len = xmlstrlen(expected); 85 int count; 86 87 assert(storage != NULL); 88 count = (storage->count < 0) ? 0 : storage->count; 89 if (len != count) { 90 sprintf(buffer, "wrong number of data characters: got %d, expected %d", 91 count, len); 92 fail(buffer); 93 return 0; 94 } 95 if (memcmp(expected, storage->data, len * sizeof(storage->data[0])) != 0) { 96 fail("got bad data bytes"); 97 return 0; 98 } 99 return 1; 100 } 101