| 1 | /* chardata.c |
| 2 | * |
| 3 | * |
| 4 | */ |
| 5 | |
| 6 | #include <assert.h> |
| 7 | #include <check.h> |
| 8 | #include <stdio.h> |
| 9 | #include <string.h> |
| 10 | |
| 11 | #include "chardata.h" |
| 12 | |
| 13 | |
| 14 | static int |
| 15 | xmlstrlen(const XML_Char *s) |
| 16 | { |
| 17 | int len = 0; |
| 18 | assert(s != NULL); |
| 19 | while (s[len] != 0) |
| 20 | ++len; |
| 21 | return len; |
| 22 | } |
| 23 | |
| 24 | |
| 25 | void |
| 26 | CharData_Init(CharData *storage) |
| 27 | { |
| 28 | assert(storage != NULL); |
| 29 | storage->count = -1; |
| 30 | } |
| 31 | |
| 32 | void |
| 33 | CharData_AppendString(CharData *storage, const char *s) |
| 34 | { |
| 35 | int maxchars = sizeof(storage->data) / sizeof(storage->data[0]); |
| 36 | int len; |
| 37 | |
| 38 | assert(s != NULL); |
| 39 | len = strlen(s); |
| 40 | if (storage->count < 0) |
| 41 | storage->count = 0; |
| 42 | if ((len + storage->count) > maxchars) { |
| 43 | len = (maxchars - storage->count); |
| 44 | } |
| 45 | if (len + storage->count < sizeof(storage->data)) { |
| 46 | memcpy(storage->data + storage->count, s, len); |
| 47 | storage->count += len; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | void |
| 52 | CharData_AppendXMLChars(CharData *storage, const XML_Char *s, int len) |
| 53 | { |
| 54 | int maxchars; |
| 55 | |
| 56 | assert(storage != NULL); |
| 57 | assert(s != NULL); |
| 58 | maxchars = sizeof(storage->data) / sizeof(storage->data[0]); |
| 59 | if (storage->count < 0) |
| 60 | storage->count = 0; |
| 61 | if (len < 0) |
| 62 | len = xmlstrlen(s); |
| 63 | if ((len + storage->count) > maxchars) { |
| 64 | len = (maxchars - storage->count); |
| 65 | } |
| 66 | if (len + storage->count < sizeof(storage->data)) { |
| 67 | memcpy(storage->data + storage->count, s, |
| 68 | len * sizeof(storage->data[0])); |
| 69 | storage->count += len; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | int |
| 74 | CharData_CheckString(CharData *storage, const char *expected) |
| 75 | { |
| 76 | char buffer[1280]; |
| 77 | int len; |
| 78 | int count; |
| 79 | |
| 80 | assert(storage != NULL); |
| 81 | assert(expected != NULL); |
| 82 | count = (storage->count < 0) ? 0 : storage->count; |
| 83 | len = strlen(expected); |
| 84 | if (len != count) { |
| 85 | if (sizeof(XML_Char) == 1) |
| 86 | sprintf(buffer, "wrong number of data characters:" |
| 87 | " got %d, expected %d:\n%s", count, len, storage->data); |
| 88 | else |
| 89 | sprintf(buffer, |
| 90 | "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) != 0) { |
| 96 | fail("got bad data bytes"); |
| 97 | return 0; |
| 98 | } |
| 99 | return 1; |
| 100 | } |
| 101 | |
| 102 | int |
| 103 | CharData_CheckXMLChars(CharData *storage, const XML_Char *expected) |
| 104 | { |
| 105 | char buffer[1024]; |
| 106 | int len = xmlstrlen(expected); |
| 107 | int count; |
| 108 | |
| 109 | assert(storage != NULL); |
| 110 | count = (storage->count < 0) ? 0 : storage->count; |
| 111 | if (len != count) { |
| 112 | sprintf(buffer, "wrong number of data characters: got %d, expected %d", |
| 113 | count, len); |
| 114 | fail(buffer); |
| 115 | return 0; |
| 116 | } |
| 117 | if (memcmp(expected, storage->data, len * sizeof(storage->data[0])) != 0) { |
| 118 | fail("got bad data bytes"); |
| 119 | return 0; |
| 120 | } |
| 121 | return 1; |
| 122 | } |