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testchar.c
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testchar.c
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/**
* Test the UTF-8 decoding routines
*
* author: Daniel Veillard
* copy: see Copyright for the status of this software.
*/
#define XML_DEPRECATED
#define XML_DEPRECATED_MEMBER
#include <stdio.h>
#include <string.h>
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
int lastError;
static void errorHandler(void *unused, const xmlError *err) {
if ((unused == NULL) && (err != NULL) && (lastError == 0)) {
lastError = err->code;
}
}
char document1[100] = "<doc>XXXX</doc>";
char document2[100] = "<doc foo='XXXX'/>";
static int testDocumentRangeByte1(xmlParserCtxtPtr ctxt, char *document,
int len, char *data, int forbid1, int forbid2) {
int i;
xmlDocPtr res;
for (i = 0;i <= 0xFF;i++) {
lastError = 0;
xmlCtxtReset(ctxt);
data[0] = (char) i;
res = xmlReadMemory(document, len, "test", NULL, 0);
if ((i == forbid1) || (i == forbid2)) {
if ((lastError == 0) || (res != NULL)) {
fprintf(stderr,
"Failed to detect invalid char for Byte 0x%02X: %c\n",
i, i);
return(1);
}
}
else if ((i == '<') || (i == '&')) {
if ((lastError == 0) || (res != NULL)) {
fprintf(stderr,
"Failed to detect illegal char %c for Byte 0x%02X\n", i, i);
return(1);
}
}
else if (((i < 0x20) || (i >= 0x80)) &&
(i != 0x9) && (i != 0xA) && (i != 0xD)) {
if ((lastError != XML_ERR_INVALID_CHAR) && (res != NULL)) {
fprintf(stderr,
"Failed to detect invalid char for Byte 0x%02X\n", i);
return(1);
}
}
else if (res == NULL) {
fprintf(stderr,
"Failed to parse valid char for Byte 0x%02X : %c\n", i, i);
return(1);
}
if (res != NULL)
xmlFreeDoc(res);
}
return(0);
}
static int testDocumentRangeByte2(xmlParserCtxtPtr ctxt, char *document,
int len, char *data) {
int i, j;
xmlDocPtr res;
for (i = 0x80;i <= 0xFF;i++) {
for (j = 0;j <= 0xFF;j++) {
lastError = 0;
xmlCtxtReset(ctxt);
data[0] = (char) i;
data[1] = (char) j;
res = xmlReadMemory(document, len, "test", NULL, 0);
/* if first bit of first char is set, then second bit must too */
if ((i & 0x80) && ((i & 0x40) == 0)) {
if ((lastError == 0) || (res != NULL)) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
i, j);
return(1);
}
}
/*
* if first bit of first char is set, then second char first
* bits must be 10
*/
else if ((i & 0x80) && ((j & 0xC0) != 0x80)) {
if ((lastError == 0) || (res != NULL)) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
i, j);
return(1);
}
}
/*
* if using a 2 byte encoding then the value must be greater
* than 0x80, i.e. one of bits 5 to 1 of i must be set
*/
else if ((i & 0x80) && ((i & 0x1E) == 0)) {
if ((lastError == 0) || (res != NULL)) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
i, j);
return(1);
}
}
/*
* if third bit of first char is set, then the sequence would need
* at least 3 bytes, but we give only 2 !
*/
else if ((i & 0xE0) == 0xE0) {
if ((lastError == 0) || (res != NULL)) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x00\n",
i, j);
return(1);
}
}
/*
* We should see no error in remaining cases
*/
else if ((lastError != 0) || (res == NULL)) {
fprintf(stderr,
"Failed to parse document for Bytes 0x%02X 0x%02X\n", i, j);
return(1);
}
if (res != NULL)
xmlFreeDoc(res);
}
}
return(0);
}
/**
* testDocumentRanges:
*
* Test the correct UTF8 character parsing in context of XML documents
* Those are in-context injection tests checking the parser behaviour on
* edge case values at different point in content, beginning and end of
* CDATA in text or in attribute values.
*/
static int testDocumentRanges(void) {
xmlParserCtxtPtr ctxt;
char *data;
int test_ret = 0;
/*
* Set up a parsing context using the first document as
* the current input source.
*/
ctxt = xmlNewParserCtxt();
if (ctxt == NULL) {
fprintf(stderr, "Failed to allocate parser context\n");
return(1);
}
printf("testing 1 byte char in document: 1");
fflush(stdout);
data = &document1[5];
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 1 byte injection at beginning of area */
test_ret += testDocumentRangeByte1(ctxt, &document1[0], strlen(document1),
data, -1, -1);
printf(" 2");
fflush(stdout);
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 1 byte injection at end of area */
test_ret += testDocumentRangeByte1(ctxt, &document1[0], strlen(document1),
data + 3, -1, -1);
printf(" 3");
fflush(stdout);
data = &document2[10];
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 1 byte injection at beginning of area */
test_ret += testDocumentRangeByte1(ctxt, &document2[0], strlen(document2),
data, '\'', -1);
printf(" 4");
fflush(stdout);
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 1 byte injection at end of area */
test_ret += testDocumentRangeByte1(ctxt, &document2[0], strlen(document2),
data + 3, '\'', -1);
printf(" done\n");
printf("testing 2 byte char in document: 1");
fflush(stdout);
data = &document1[5];
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 2 byte injection at beginning of area */
test_ret += testDocumentRangeByte2(ctxt, &document1[0], strlen(document1),
data);
printf(" 2");
fflush(stdout);
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 2 byte injection at end of area */
test_ret += testDocumentRangeByte2(ctxt, &document1[0], strlen(document1),
data + 2);
printf(" 3");
fflush(stdout);
data = &document2[10];
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 2 byte injection at beginning of area */
test_ret += testDocumentRangeByte2(ctxt, &document2[0], strlen(document2),
data);
printf(" 4");
fflush(stdout);
data[0] = ' ';
data[1] = ' ';
data[2] = ' ';
data[3] = ' ';
/* test 2 byte injection at end of area */
test_ret += testDocumentRangeByte2(ctxt, &document2[0], strlen(document2),
data + 2);
printf(" done\n");
xmlFreeParserCtxt(ctxt);
return(test_ret);
}
static int
testCurrentChar(xmlParserCtxtPtr ctxt, int *len) {
const xmlChar *oldcur;
int c, err, len2;
lastError = 0;
c = xmlCurrentChar(ctxt, len);
ctxt->input->flags = 0;
err = lastError;
oldcur = ctxt->input->cur;
lastError = 0;
xmlNextChar(ctxt);
ctxt->input->flags = 0;
len2 = ctxt->input->cur - oldcur;
ctxt->input->cur = oldcur;
if ((*ctxt->input->cur != 0) && (err != lastError)) {
fprintf(stderr, "xmlCurrentChar and xmlNextChar report different "
"errors: %d %d\n", err, lastError);
return(-1);
}
if ((err == 0) && (*len != len2)) {
fprintf(stderr, "xmlCurrentChar and xmlNextChar report different "
"lengths: %d %d\n", *len, len2);
return(-1);
}
lastError = err;
return(c);
}
static int testCharRangeByte1(xmlParserCtxtPtr ctxt) {
int i = 0;
int len, c;
char *data = (char *) ctxt->input->cur;
data[1] = 0;
data[2] = 0;
data[3] = 0;
for (i = 0;i <= 0xFF;i++) {
data[0] = (char) i;
ctxt->nbErrors = 0;
c = testCurrentChar(ctxt, &len);
if (c < 0)
continue;
if (i >= 0x80) {
/* we must see an error there */
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Byte 0x%02X\n", i);
return(1);
}
} else if (i == 0xD) {
if ((c != 0xA) || (len != 1)) {
fprintf(stderr, "Failed to convert char for Byte 0x%02X\n", i);
return(1);
}
} else if ((c != i) || (len != 1)) {
fprintf(stderr, "Failed to parse char for Byte 0x%02X\n", i);
return(1);
}
}
return(0);
}
static int testCharRangeByte2(xmlParserCtxtPtr ctxt) {
int i, j;
int len, c;
char *data = (char *) ctxt->input->cur;
data[2] = 0;
data[3] = 0;
for (i = 0x80;i <= 0xFF;i++) {
for (j = 0;j <= 0xFF;j++) {
data[0] = (char) i;
data[1] = (char) j;
ctxt->nbErrors = 0;
c = testCurrentChar(ctxt, &len);
if (c < 0)
continue;
/* if first bit of first char is set, then second bit must too */
if ((i & 0x80) && ((i & 0x40) == 0)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
i, j);
return(1);
}
}
/*
* if first bit of first char is set, then second char first
* bits must be 10
*/
else if ((i & 0x80) && ((j & 0xC0) != 0x80)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X: %d\n",
i, j, c);
return(1);
}
}
/*
* if using a 2 byte encoding then the value must be greater
* than 0x80, i.e. one of bits 5 to 1 of i must be set
*/
else if ((i & 0x80) && ((i & 0x1E) == 0)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X: %d\n",
i, j, c);
return(1);
}
}
/*
* if third bit of first char is set, then the sequence would need
* at least 3 bytes, but we give only 2 !
*/
else if ((i & 0xE0) == 0xE0) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x00\n",
i, j);
return(1);
}
}
/*
* We should see no error in remaining cases
*/
else if ((lastError != 0) || (len != 2)) {
fprintf(stderr,
"Failed to parse char for Bytes 0x%02X 0x%02X\n", i, j);
return(1);
}
/*
* Finally check the value is right
*/
else if (c != (j & 0x3F) + ((i & 0x1F) << 6)) {
fprintf(stderr,
"Failed to parse char for Bytes 0x%02X 0x%02X: expect %d got %d\n",
i, j, ((j & 0x3F) + ((i & 0x1F) << 6)), c);
return(1);
}
}
}
return(0);
}
static int testCharRangeByte3(xmlParserCtxtPtr ctxt) {
int i, j, k, K;
int len, c;
unsigned char lows[6] = {0, 0x80, 0x81, 0xC1, 0xFF, 0xBF};
char *data = (char *) ctxt->input->cur;
int value;
data[3] = 0;
for (i = 0xE0;i <= 0xFF;i++) {
for (j = 0;j <= 0xFF;j++) {
for (k = 0;k < 6;k++) {
data[0] = (char) i;
data[1] = (char) j;
K = lows[k];
data[2] = (char) K;
value = (K & 0x3F) + ((j & 0x3F) << 6) + ((i & 0xF) << 12);
ctxt->nbErrors = 0;
c = testCurrentChar(ctxt, &len);
if (c < 0)
continue;
/*
* if fourth bit of first char is set, then the sequence would need
* at least 4 bytes, but we give only 3 !
*/
if ((i & 0xF0) == 0xF0) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
i, j, K, data[3]);
return(1);
}
}
/*
* The second and the third bytes must start with 10
*/
else if (((j & 0xC0) != 0x80) || ((K & 0xC0) != 0x80)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X\n",
i, j, K);
return(1);
}
}
/*
* if using a 3 byte encoding then the value must be greater
* than 0x800, i.e. one of bits 4 to 0 of i must be set or
* the 6th byte of data[1] must be set
*/
else if (((i & 0xF) == 0) && ((j & 0x20) == 0)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X\n",
i, j, K);
return(1);
}
}
/*
* There are values that are not allowed in UTF-8
*/
else if ((value > 0xD7FF) && (value <0xE000)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char 0x%04X for Bytes 0x%02X 0x%02X 0x%02X\n",
value, i, j, K);
return(1);
}
}
/*
* We should see no error in remaining cases
*/
else if ((lastError != 0) || (len != 3)) {
fprintf(stderr,
"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X\n",
i, j, K);
return(1);
}
/*
* Finally check the value is right
*/
else if (c != value) {
fprintf(stderr,
"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X: expect %d got %d\n",
i, j, data[2], value, c);
return(1);
}
}
}
}
return(0);
}
static int testCharRangeByte4(xmlParserCtxtPtr ctxt) {
int i, j, k, K, l, L;
int len, c;
unsigned char lows[6] = {0, 0x80, 0x81, 0xC1, 0xFF, 0xBF};
char *data = (char *) ctxt->input->cur;
int value;
data[4] = 0;
for (i = 0xF0;i <= 0xFF;i++) {
for (j = 0;j <= 0xFF;j++) {
for (k = 0;k < 6;k++) {
for (l = 0;l < 6;l++) {
data[0] = (char) i;
data[1] = (char) j;
K = lows[k];
data[2] = (char) K;
L = lows[l];
data[3] = (char) L;
value = (L & 0x3F) + ((K & 0x3F) << 6) + ((j & 0x3F) << 12) +
((i & 0x7) << 18);
ctxt->nbErrors = 0;
c = testCurrentChar(ctxt, &len);
if (c < 0)
continue;
/*
* if fifth bit of first char is set, then the sequence would need
* at least 5 bytes, but we give only 4 !
*/
if ((i & 0xF8) == 0xF8) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
i, j, K, data[3]);
return(1);
}
}
/*
* The second, third and fourth bytes must start with 10
*/
else if (((j & 0xC0) != 0x80) || ((K & 0xC0) != 0x80) ||
((L & 0xC0) != 0x80)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
i, j, K, L);
return(1);
}
}
/*
* if using a 3 byte encoding then the value must be greater
* than 0x10000, i.e. one of bits 3 to 0 of i must be set or
* the 6 or 5th byte of j must be set
*/
else if (((i & 0x7) == 0) && ((j & 0x30) == 0)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
i, j, K, L);
return(1);
}
}
/*
* There are values in that are not allowed in UTF-8
*/
else if (((value > 0xD7FF) && (value < 0xE000)) ||
(value > 0x10FFFF)) {
if (lastError != XML_ERR_INVALID_ENCODING) {
fprintf(stderr,
"Failed to detect invalid char 0x%04X for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
value, i, j, K, L);
return(1);
}
}
/*
* We should see no error in remaining cases
*/
else if ((lastError != 0) || (len != 4)) {
fprintf(stderr,
"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X\n",
i, j, K);
return(1);
}
/*
* Finally check the value is right
*/
else if (c != value) {
fprintf(stderr,
"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X: expect %d got %d\n",
i, j, data[2], value, c);
return(1);
}
}
}
}
}
return(0);
}
/**
* testCharRanges:
*
* Test the correct UTF8 character parsing in isolation i.e.
* not when parsing a full document, this is less expensive and we can
* cover the full range of UTF-8 chars accepted by XML-1.0
*/
static int testCharRanges(void) {
char data[5];
xmlParserCtxtPtr ctxt;
xmlParserInputBufferPtr buf;
xmlParserInputPtr input;
int test_ret = 0;
memset(data, 0, 5);
/*
* Set up a parsing context using the above data buffer as
* the current input source.
*/
ctxt = xmlNewParserCtxt();
if (ctxt == NULL) {
fprintf(stderr, "Failed to allocate parser context\n");
return(1);
}
buf = xmlParserInputBufferCreateStatic(data, sizeof(data),
XML_CHAR_ENCODING_NONE);
if (buf == NULL) {
fprintf(stderr, "Failed to allocate input buffer\n");
test_ret = 1;
goto error;
}
input = xmlNewInputStream(ctxt);
if (input == NULL) {
xmlFreeParserInputBuffer(buf);
test_ret = 1;
goto error;
}
input->filename = NULL;
input->buf = buf;
input->cur =
input->base = xmlBufContent(input->buf->buffer);
input->end = input->base + 4;
xmlCtxtPushInput(ctxt, input);
printf("testing char range: 1");
fflush(stdout);
test_ret += testCharRangeByte1(ctxt);
printf(" 2");
fflush(stdout);
test_ret += testCharRangeByte2(ctxt);
printf(" 3");
fflush(stdout);
test_ret += testCharRangeByte3(ctxt);
printf(" 4");
fflush(stdout);
test_ret += testCharRangeByte4(ctxt);
printf(" done\n");
fflush(stdout);
error:
xmlFreeParserCtxt(ctxt);
return(test_ret);
}
static int
testUserEncoding(void) {
/*
* Create a document encoded as UTF-16LE with an ISO-8859-1 encoding
* declaration, then parse it with xmlReadMemory and the encoding
* argument set to UTF-16LE.
*/
xmlDocPtr doc = NULL;
const char *start = "<?xml version='1.0' encoding='ISO-8859-1'?><d>";
const char *end = "</d>";
char *buf = NULL;
xmlChar *text;
int startSize = strlen(start);
int textSize = 100000; /* Make sure to exceed internal buffer sizes. */
int endSize = strlen(end);
int totalSize = startSize + textSize + endSize;
int k = 0;
int i;
int ret = 1;
buf = xmlMalloc(2 * totalSize);
for (i = 0; start[i] != 0; i++) {
buf[k++] = start[i];
buf[k++] = 0;
}
for (i = 0; i < textSize; i++) {
buf[k++] = 'x';
buf[k++] = 0;
}
for (i = 0; end[i] != 0; i++) {
buf[k++] = end[i];
buf[k++] = 0;
}
doc = xmlReadMemory(buf, 2 * totalSize, NULL, "UTF-16LE", 0);
if (doc == NULL) {
fprintf(stderr, "failed to parse document\n");
goto error;
}
text = doc->children->children->content;
for (i = 0; i < textSize; i++) {
if (text[i] != 'x') {
fprintf(stderr, "text node has wrong content at offset %d\n", k);
goto error;
}
}
ret = 0;
error:
xmlFreeDoc(doc);
xmlFree(buf);
return ret;
}
#if defined(LIBXML_PUSH_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
static char *
convert(xmlCharEncodingHandlerPtr handler, const char *utf8, int size,
int *outSize) {
xmlBufferPtr in, out;
char *ret;
in = xmlBufferCreate();
xmlBufferAdd(in, BAD_CAST utf8, size);
out = xmlBufferCreate();
xmlCharEncOutFunc(handler, out, in);
if (outSize)
*outSize = out->use;
ret = (char *) xmlBufferDetach(out);
xmlBufferFree(out);
xmlBufferFree(in);
return(ret);
}
static int
testUserEncodingPush(void) {
xmlCharEncodingHandlerPtr handler;
xmlParserCtxtPtr ctxt;
xmlDocPtr doc;
char buf[] =
"\xEF\xBB\xBF"
"<?xml version='1.0' encoding='ISO-8859-1'?>\n"
"<d>text</d>\n";
char *utf16;
int utf16Size;
int ret = 1;
handler = xmlGetCharEncodingHandler(XML_CHAR_ENCODING_UTF16LE);
utf16 = convert(handler, buf, sizeof(buf) - 1, &utf16Size);
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
xmlSwitchEncoding(ctxt, XML_CHAR_ENCODING_UTF16LE);
xmlParseChunk(ctxt, utf16, utf16Size, 0);
xmlParseChunk(ctxt, NULL, 0, 1);
doc = ctxt->myDoc;
if ((doc != NULL) &&
(doc->children != NULL) &&
(doc->children->children != NULL) &&
(xmlStrcmp(doc->children->children->content, BAD_CAST "text") == 0))
ret = 0;
xmlFreeDoc(doc);
xmlFreeParserCtxt(ctxt);
xmlFree(utf16);
return(ret);
}
static int
testUTF8Chunks(void) {
xmlParserCtxtPtr ctxt;
xmlChar *out;
int outSize;
char *buf;
int i;
int ret = 0;
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
xmlParseChunk(ctxt, "<d>", 3, 0);
xmlParseChunk(ctxt, "\xF0", 1, 0);
xmlParseChunk(ctxt, "\x9F", 1, 0);
xmlParseChunk(ctxt, "\x98", 1, 0);
xmlParseChunk(ctxt, "\x8A", 1, 0);
xmlParseChunk(ctxt, "</d>", 4, 1);
xmlDocDumpMemory(ctxt->myDoc, &out, &outSize);
if (strcmp((char *) out,
"<?xml version=\"1.0\"?>\n<d>😊</d>\n") != 0) {
fprintf(stderr, "failed UTF-8 chunk test 1\n");
ret += 1;
}
xmlFree(out);
xmlFreeDoc(ctxt->myDoc);
xmlFreeParserCtxt(ctxt);
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
xmlParseChunk(ctxt, "<d>", 3, 0);
/*
* Create a chunk longer than XML_PARSER_BIG_BUFFER_SIZE (300) ending
* with an incomplete UTF-8 sequence.
*/
buf = xmlMalloc(1000 * 2 + 1);
for (i = 0; i < 2000; i += 2)
memcpy(buf + i, "\xCE\xB1", 2);
buf[i] = '\xCE';
xmlParseChunk(ctxt, buf, 2001, 0);
xmlFree(buf);
xmlParseChunk(ctxt, "\xB1</d>", 4, 0);
xmlParseChunk(ctxt, NULL, 0, 0);
xmlDocDumpMemory(ctxt->myDoc, &out, &outSize);
if (strncmp((char *) out, "<?xml version=\"1.0\"?>\n<d>", 25) != 0) {
fprintf(stderr, "failed UTF-8 chunk test 2-1\n");
ret += 1;
goto error;
}
for (i = 25; i < 25 + 1001 * 7; i += 7) {
if (memcmp(out + i, "α", 7) != 0) {
fprintf(stderr, "failed UTF-8 chunk test 2-2 %d\n", i);
ret += 1;
goto error;
}
}
if (strcmp((char *) out + i, "</d>\n") != 0) {
fprintf(stderr, "failed UTF-8 chunk test 2-3\n");
ret += 1;
goto error;
}
error:
xmlFree(out);
xmlFreeDoc(ctxt->myDoc);
xmlFreeParserCtxt(ctxt);
return(ret);
return(0);
}
#endif
static void
bufDump(const char *prefix, const xmlChar *content, int len) {
int i;
fprintf(stderr, "%s", prefix);
for (i = 0; i < len; i++) {
fprintf(stderr, " %02X", content[i]);
}
fprintf(stderr, "\n");
}
static int
bufCompare(xmlBufferPtr got, const xmlChar *expectContent, int expectLen) {
const xmlChar *gotContent = xmlBufferContent(got);
int gotLen = xmlBufferLength(got);
if ((gotLen == expectLen) &&
(memcmp(gotContent, expectContent, gotLen) == 0))
return(0);
bufDump("got: ", gotContent, gotLen);
bufDump("expected:", expectContent, expectLen);
return(-1);
}
static int
testEncHandler(xmlCharEncodingHandlerPtr handler, const xmlChar *dec,
int decSize, const xmlChar *enc, int encSize) {
xmlBufferPtr encBuf = xmlBufferCreate();
xmlBufferPtr decBuf = xmlBufferCreate();
int ret = 0;
xmlBufferAdd(encBuf, enc, encSize);
xmlCharEncInFunc(handler, decBuf, encBuf);
if (bufCompare(decBuf, dec, decSize) != 0) {
fprintf(stderr, "Decoding %s failed\n", handler->name);
ret = -1;
}
#ifdef LIBXML_OUTPUT_ENABLED
xmlBufferEmpty(decBuf);
xmlBufferAdd(decBuf, dec, decSize);
xmlCharEncOutFunc(handler, encBuf, decBuf);
if (bufCompare(encBuf, enc, encSize) != 0) {
fprintf(stderr, "Encoding %s failed\n", handler->name);
ret = -1;
}
#endif
xmlBufferFree(decBuf);
xmlBufferFree(encBuf);
return(ret);
}
static int
testUTF16(void) {
static const xmlChar utf8[] =
"\x01"
"\x7F"
"\xC2\x80"
"\xDF\xBF"
"\xE0\xA0\x80"
"\xEF\xBF\xBF"
"\xF0\x90\x80\x80"
"\xF4\x8F\xBF\xBF";
static const xmlChar utf16LE[] =
"\x01\x00"
"\x7F\x00"
"\x80\x00"
"\xFF\x07"
"\x00\x08"
"\xFF\xFF"
"\x00\xD8\x00\xDC"
"\xFF\xDB\xFF\xDF";
static const xmlChar utf16BE[] =
"\x00\x01"
"\x00\x7F"
"\x00\x80"
"\x07\xFF"
"\x08\x00"
"\xFF\xFF"
"\xD8\x00\xDC\x00"
"\xDB\xFF\xDF\xFF";
xmlCharEncodingHandlerPtr handler16LE, handler16BE;
int ret = 0;
handler16LE = xmlFindCharEncodingHandler("UTF-16LE");
handler16BE = xmlFindCharEncodingHandler("UTF-16BE");
if (testEncHandler(handler16LE,
utf8, sizeof(utf8) - 1,
utf16LE, sizeof(utf16LE) - 1) != 0)
ret = -1;
if (testEncHandler(handler16BE,
utf8, sizeof(utf8) - 1,
utf16BE, sizeof(utf16BE) - 1) != 0)
ret = -1;
return(ret);
}
int main(void) {
int ret = 0;
/*
* this initialize the library and check potential ABI mismatches
* between the version it was compiled for and the actual shared
* library used.
*/
LIBXML_TEST_VERSION
/*
* Catch errors separately
*/
xmlSetStructuredErrorFunc(NULL, errorHandler);