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authorEric van Gyzen <vangyzen@FreeBSD.org>2018-11-02 22:10:07 +0000
committerEric van Gyzen <vangyzen@FreeBSD.org>2018-11-02 22:10:07 +0000
commit77c85705a616126682be274fd54e9c4308083501 (patch)
treea02e6dd407e533d1d1cab88ead33a499d9291ae4 /lib/xmltok_impl.c
parent17c9c52d9a57f24fdf6202e339e7a713e97d27bb (diff)
downloadsrc-77c85705a616126682be274fd54e9c4308083501.tar.gz
src-77c85705a616126682be274fd54e9c4308083501.zip
Vendor import of expat 2.2.6vendor/expat/2.2.6
Sponsored by: Dell EMC Isilon
Notes
Notes: svn path=/vendor/expat/dist/; revision=340084 svn path=/vendor/expat/2.2.6/; revision=340085; tag=vendor/expat/2.2.6
Diffstat (limited to 'lib/xmltok_impl.c')
-rw-r--r--lib/xmltok_impl.c132
1 files changed, 58 insertions, 74 deletions
diff --git a/lib/xmltok_impl.c b/lib/xmltok_impl.c
index 5f779c0571b5..4d9ae7dc3896 100644
--- a/lib/xmltok_impl.c
+++ b/lib/xmltok_impl.c
@@ -1,8 +1,35 @@
-/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
- See the file COPYING for copying permission.
+/* This file is included!
+ __ __ _
+ ___\ \/ /_ __ __ _| |_
+ / _ \\ /| '_ \ / _` | __|
+ | __// \| |_) | (_| | |_
+ \___/_/\_\ .__/ \__,_|\__|
+ |_| XML parser
+
+ Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
+ Copyright (c) 2000-2017 Expat development team
+ Licensed under the MIT license:
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to permit
+ persons to whom the Software is furnished to do so, subject to the
+ following conditions:
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+ NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-/* This file is included! */
#ifdef XML_TOK_IMPL_C
#ifndef IS_INVALID_CHAR
@@ -47,6 +74,7 @@
*nextTokPtr = ptr; \
return XML_TOK_INVALID; \
} \
+ /* fall through */ \
case BT_NMSTRT: \
case BT_HEX: \
case BT_DIGIT: \
@@ -75,6 +103,7 @@
*nextTokPtr = ptr; \
return XML_TOK_INVALID; \
} \
+ /* fall through */ \
case BT_NMSTRT: \
case BT_HEX: \
ptr += MINBPC(enc); \
@@ -575,7 +604,7 @@ PREFIX(scanAtts)(const ENCODING *enc, const char *ptr, const char *end,
return XML_TOK_INVALID;
}
}
- /* fall through */
+ /* fall through */
case BT_EQUALS:
{
int open;
@@ -1198,8 +1227,14 @@ PREFIX(attributeValueTok)(const ENCODING *enc, const char *ptr,
const char *start;
if (ptr >= end)
return XML_TOK_NONE;
- else if (! HAS_CHAR(enc, ptr, end))
- return XML_TOK_PARTIAL;
+ else if (! HAS_CHAR(enc, ptr, end)) {
+ /* This line cannot be executed. The incoming data has already
+ * been tokenized once, so incomplete characters like this have
+ * already been eliminated from the input. Retaining the paranoia
+ * check is still valuable, however.
+ */
+ return XML_TOK_PARTIAL; /* LCOV_EXCL_LINE */
+ }
start = ptr;
while (HAS_CHAR(enc, ptr, end)) {
switch (BYTE_TYPE(enc, ptr)) {
@@ -1258,8 +1293,14 @@ PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr,
const char *start;
if (ptr >= end)
return XML_TOK_NONE;
- else if (! HAS_CHAR(enc, ptr, end))
- return XML_TOK_PARTIAL;
+ else if (! HAS_CHAR(enc, ptr, end)) {
+ /* This line cannot be executed. The incoming data has already
+ * been tokenized once, so incomplete characters like this have
+ * already been eliminated from the input. Retaining the paranoia
+ * check is still valuable, however.
+ */
+ return XML_TOK_PARTIAL; /* LCOV_EXCL_LINE */
+ }
start = ptr;
while (HAS_CHAR(enc, ptr, end)) {
switch (BYTE_TYPE(enc, ptr)) {
@@ -1403,6 +1444,7 @@ PREFIX(isPublicId)(const ENCODING *enc, const char *ptr, const char *end,
case BT_NMSTRT:
if (!(BYTE_TO_ASCII(enc, ptr) & ~0x7f))
break;
+ /* fall through */
default:
switch (BYTE_TO_ASCII(enc, ptr)) {
case 0x24: /* $ */
@@ -1615,76 +1657,18 @@ PREFIX(predefinedEntityName)(const ENCODING *UNUSED_P(enc), const char *ptr,
}
static int PTRCALL
-PREFIX(sameName)(const ENCODING *enc, const char *ptr1, const char *ptr2)
-{
- for (;;) {
- switch (BYTE_TYPE(enc, ptr1)) {
-#define LEAD_CASE(n) \
- case BT_LEAD ## n: \
- if (*ptr1++ != *ptr2++) \
- return 0;
- LEAD_CASE(4) LEAD_CASE(3) LEAD_CASE(2)
-#undef LEAD_CASE
- /* fall through */
- if (*ptr1++ != *ptr2++)
- return 0;
- break;
- case BT_NONASCII:
- case BT_NMSTRT:
-#ifdef XML_NS
- case BT_COLON:
-#endif
- case BT_HEX:
- case BT_DIGIT:
- case BT_NAME:
- case BT_MINUS:
- if (*ptr2++ != *ptr1++)
- return 0;
- if (MINBPC(enc) > 1) {
- if (*ptr2++ != *ptr1++)
- return 0;
- if (MINBPC(enc) > 2) {
- if (*ptr2++ != *ptr1++)
- return 0;
- if (MINBPC(enc) > 3) {
- if (*ptr2++ != *ptr1++)
- return 0;
- }
- }
- }
- break;
- default:
- if (MINBPC(enc) == 1 && *ptr1 == *ptr2)
- return 1;
- switch (BYTE_TYPE(enc, ptr2)) {
- case BT_LEAD2:
- case BT_LEAD3:
- case BT_LEAD4:
- case BT_NONASCII:
- case BT_NMSTRT:
-#ifdef XML_NS
- case BT_COLON:
-#endif
- case BT_HEX:
- case BT_DIGIT:
- case BT_NAME:
- case BT_MINUS:
- return 0;
- default:
- return 1;
- }
- }
- }
- /* not reached */
-}
-
-static int PTRCALL
PREFIX(nameMatchesAscii)(const ENCODING *UNUSED_P(enc), const char *ptr1,
const char *end1, const char *ptr2)
{
for (; *ptr2; ptr1 += MINBPC(enc), ptr2++) {
- if (end1 - ptr1 < MINBPC(enc))
- return 0;
+ if (end1 - ptr1 < MINBPC(enc)) {
+ /* This line cannot be executed. The incoming data has already
+ * been tokenized once, so incomplete characters like this have
+ * already been eliminated from the input. Retaining the
+ * paranoia check is still valuable, however.
+ */
+ return 0; /* LCOV_EXCL_LINE */
+ }
if (!CHAR_MATCHES(enc, ptr1, *ptr2))
return 0;
}