[libxml2] Fix some format string warnings with possible format string vulnerability
- From: Daniel Veillard <veillard src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [libxml2] Fix some format string warnings with possible format string vulnerability
- Date: Mon, 23 May 2016 08:06:30 +0000 (UTC)
commit 4472c3a5a5b516aaf59b89be602fbce52756c3e9
Author: David Kilzer <ddkilzer webkit org>
Date: Fri May 13 15:13:17 2016 +0800
Fix some format string warnings with possible format string vulnerability
For https://bugzilla.gnome.org/show_bug.cgi?id=761029
Decorate every method in libxml2 with the appropriate
LIBXML_ATTR_FORMAT(fmt,args) macro and add some cleanups
following the reports.
HTMLparser.c | 4 +-
SAX2.c | 12 +++---
catalog.c | 2 +-
configure.ac | 4 +-
debugXML.c | 4 +-
encoding.c | 2 +-
entities.c | 2 +-
error.c | 2 +-
include/libxml/parserInternals.h | 2 +-
include/libxml/xmlerror.h | 2 +-
include/libxml/xmlstring.h | 8 ++--
libxml.h | 2 +-
parser.c | 37 +++++++++++----------
parserInternals.c | 4 +-
relaxng.c | 4 +-
schematron.c | 2 +-
testModule.c | 2 +-
valid.c | 8 ++--
xinclude.c | 4 +-
xmlIO.c | 14 ++++----
xmllint.c | 20 ++++++------
xmlreader.c | 16 ++++++---
xmlschemas.c | 66 +++++++++++++++++++-------------------
xmlstring.c | 4 +-
xmlwriter.c | 4 +-
xpath.c | 2 +-
xpointer.c | 2 +-
27 files changed, 121 insertions(+), 114 deletions(-)
---
diff --git a/HTMLparser.c b/HTMLparser.c
index c6fcbc9..0985d1d 100644
--- a/HTMLparser.c
+++ b/HTMLparser.c
@@ -105,7 +105,7 @@ htmlErrMemory(xmlParserCtxtPtr ctxt, const char *extra)
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
htmlParseErr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1, const xmlChar *str2)
{
@@ -132,7 +132,7 @@ htmlParseErr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
htmlParseErrInt(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, int val)
{
diff --git a/SAX2.c b/SAX2.c
index ffef3e1..5cbb700 100644
--- a/SAX2.c
+++ b/SAX2.c
@@ -55,7 +55,7 @@
* @ctxt: an XML validation parser context
* @msg: a string to accompany the error message
*/
-static void
+static void LIBXML_ATTR_FORMAT(2,0)
xmlSAX2ErrMemory(xmlParserCtxtPtr ctxt, const char *msg) {
xmlStructuredErrorFunc schannel = NULL;
const char *str1 = "out of memory\n";
@@ -93,7 +93,7 @@ xmlSAX2ErrMemory(xmlParserCtxtPtr ctxt, const char *msg) {
*
* Handle a validation error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlErrValid(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const char *str1, const char *str2)
{
@@ -133,7 +133,7 @@ xmlErrValid(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1, const xmlChar *str2)
{
@@ -164,7 +164,7 @@ xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a parser warning
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1)
{
@@ -189,7 +189,7 @@ xmlWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a namespace error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlNsErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1, const xmlChar *str2)
{
@@ -213,7 +213,7 @@ xmlNsErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a namespace warning
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlNsWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1, const xmlChar *str2)
{
diff --git a/catalog.c b/catalog.c
index ac6e981..6dfdfbb 100644
--- a/catalog.c
+++ b/catalog.c
@@ -238,7 +238,7 @@ xmlCatalogErrMemory(const char *extra)
*
* Handle a catalog error
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlCatalogErr(xmlCatalogEntryPtr catal, xmlNodePtr node, int error,
const char *msg, const xmlChar *str1, const xmlChar *str2,
const xmlChar *str3)
diff --git a/configure.ac b/configure.ac
index 5ffa01f..911984e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -791,7 +791,7 @@ else
fi
# warnings we'd like to see
- CFLAGS="${CFLAGS} -pedantic -W -Wformat -Wunused -Wimplicit -Wreturn-type -Wswitch -Wcomment -Wtrigraphs
-Wformat -Wchar-subscripts -Wuninitialized -Wparentheses -Wshadow -Wpointer-arith -Wcast-align
-Wwrite-strings -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline
-Wredundant-decls"
+ CFLAGS="${CFLAGS} -pedantic -W -Wformat -Wno-format-extra-args -Wunused -Wimplicit -Wreturn-type
-Wswitch -Wcomment -Wtrigraphs -Wchar-subscripts -Wuninitialized -Wparentheses -Wshadow -Wpointer-arith
-Wcast-align -Wwrite-strings -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs
-Winline -Wredundant-decls"
# warnings we'd like to supress
CFLAGS="${CFLAGS} -Wno-long-long"
case "${host}" in
@@ -1010,7 +1010,7 @@ if [[ "${LOGNAME}" = "veillard" -a "`pwd`" = "/u/veillard/XML" ]] || \
fi
fi
if test "${GCC}" = "yes" ; then
- CFLAGS="-g -O -pedantic -W -Wformat -Wunused -Wimplicit -Wreturn-type -Wswitch -Wcomment -Wtrigraphs
-Wformat -Wchar-subscripts -Wuninitialized -Wparentheses -Wshadow -Wpointer-arith -Wcast-align
-Wwrite-strings -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline
-Wredundant-decls -Wall"
+ CFLAGS="-g -O -pedantic -W -Wformat -Wno-format-extra-args -Wunused -Wimplicit -Wreturn-type -Wswitch
-Wcomment -Wtrigraphs -Wchar-subscripts -Wuninitialized -Wparentheses -Wshadow -Wpointer-arith -Wcast-align
-Wwrite-strings -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline
-Wredundant-decls -Wall"
fi
STATIC_BINARIES="-static"
dnl -Wcast-qual -ansi
diff --git a/debugXML.c b/debugXML.c
index e34b140..a1b550a 100644
--- a/debugXML.c
+++ b/debugXML.c
@@ -164,7 +164,7 @@ xmlDebugErr(xmlDebugCtxtPtr ctxt, int error, const char *msg)
NULL, NULL, NULL, 0, 0,
"%s", msg);
}
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlDebugErr2(xmlDebugCtxtPtr ctxt, int error, const char *msg, int extra)
{
ctxt->errors++;
@@ -174,7 +174,7 @@ xmlDebugErr2(xmlDebugCtxtPtr ctxt, int error, const char *msg, int extra)
NULL, NULL, NULL, 0, 0,
msg, extra);
}
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlDebugErr3(xmlDebugCtxtPtr ctxt, int error, const char *msg, const char *extra)
{
ctxt->errors++;
diff --git a/encoding.c b/encoding.c
index 574e1ae..e49c7f8 100644
--- a/encoding.c
+++ b/encoding.c
@@ -93,7 +93,7 @@ xmlEncodingErrMemory(const char *extra)
*
* n encoding error
*/
-static void
+static void LIBXML_ATTR_FORMAT(2,0)
xmlEncodingErr(xmlParserErrors error, const char *msg, const char *val)
{
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL,
diff --git a/entities.c b/entities.c
index a72afb3..64808ff 100644
--- a/entities.c
+++ b/entities.c
@@ -83,7 +83,7 @@ xmlEntitiesErrMemory(const char *extra)
*
* Handle an out of memory condition
*/
-static void
+static void LIBXML_ATTR_FORMAT(2,0)
xmlEntitiesErr(xmlParserErrors code, const char *msg)
{
__xmlSimpleError(XML_FROM_TREE, code, NULL, msg, NULL);
diff --git a/error.c b/error.c
index 4ca6838..9606f13 100644
--- a/error.c
+++ b/error.c
@@ -18,7 +18,7 @@
void XMLCDECL xmlGenericErrorDefaultFunc (void *ctx ATTRIBUTE_UNUSED,
const char *msg,
- ...);
+ ...) LIBXML_ATTR_FORMAT(2,3);
#define XML_GET_VAR_STR(msg, str) { \
int size, prev_size = -1; \
diff --git a/include/libxml/parserInternals.h b/include/libxml/parserInternals.h
index 6065320..f30fc68 100644
--- a/include/libxml/parserInternals.h
+++ b/include/libxml/parserInternals.h
@@ -351,7 +351,7 @@ XMLPUBFUN void XMLCALL
xmlParserErrors xmlerr,
const char *msg,
const xmlChar * str1,
- const xmlChar * str2);
+ const xmlChar * str2) LIBXML_ATTR_FORMAT(3,0);
#endif
/**
diff --git a/include/libxml/xmlerror.h b/include/libxml/xmlerror.h
index 43e68ca..037c16d 100644
--- a/include/libxml/xmlerror.h
+++ b/include/libxml/xmlerror.h
@@ -937,7 +937,7 @@ XMLPUBFUN void XMLCALL
int code,
xmlNodePtr node,
const char *msg,
- const char *extra);
+ const char *extra) LIBXML_ATTR_FORMAT(4,0);
#endif
#ifdef __cplusplus
}
diff --git a/include/libxml/xmlstring.h b/include/libxml/xmlstring.h
index 2036236..2d0b2d1 100644
--- a/include/libxml/xmlstring.h
+++ b/include/libxml/xmlstring.h
@@ -97,13 +97,13 @@ XMLPUBFUN xmlChar * XMLCALL
XMLPUBFUN int XMLCALL
xmlStrPrintf (xmlChar *buf,
int len,
- const xmlChar *msg,
- ...);
+ const char *msg,
+ ...) LIBXML_ATTR_FORMAT(3,4);
XMLPUBFUN int XMLCALL
xmlStrVPrintf (xmlChar *buf,
int len,
- const xmlChar *msg,
- va_list ap);
+ const char *msg,
+ va_list ap) LIBXML_ATTR_FORMAT(3,0);
XMLPUBFUN int XMLCALL
xmlGetUTF8Char (const unsigned char *utf,
diff --git a/libxml.h b/libxml.h
index 2da9044..4558b70 100644
--- a/libxml.h
+++ b/libxml.h
@@ -68,7 +68,7 @@ extern int __xmlRegisterCallbacks;
* internal error reporting routines, shared but not partof the API.
*/
void __xmlIOErr(int domain, int code, const char *extra);
-void __xmlLoaderErr(void *ctx, const char *msg, const char *filename);
+void __xmlLoaderErr(void *ctx, const char *msg, const char *filename) LIBXML_ATTR_FORMAT(2,0);
#ifdef LIBXML_HTML_ENABLED
/*
* internal function of HTML parser needed for xmlParseInNodeContext
diff --git a/parser.c b/parser.c
index f6d652e..15c606f 100644
--- a/parser.c
+++ b/parser.c
@@ -346,7 +346,6 @@ static void
xmlFatalErr(xmlParserCtxtPtr ctxt, xmlParserErrors error, const char *info)
{
const char *errmsg;
- char errstr[129] = "";
if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
(ctxt->instate == XML_PARSER_EOF))
@@ -533,15 +532,17 @@ xmlFatalErr(xmlParserCtxtPtr ctxt, xmlParserErrors error, const char *info)
default:
errmsg = "Unregistered error message";
}
- if (info == NULL)
- snprintf(errstr, 128, "%s\n", errmsg);
- else
- snprintf(errstr, 128, "%s: %%s\n", errmsg);
if (ctxt != NULL)
ctxt->errNo = error;
- __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
- XML_ERR_FATAL, NULL, 0, info, NULL, NULL, 0, 0, &errstr[0],
- info);
+ if (info == NULL) {
+ __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
+ XML_ERR_FATAL, NULL, 0, info, NULL, NULL, 0, 0, "%s\n",
+ errmsg);
+ } else {
+ __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
+ XML_ERR_FATAL, NULL, 0, info, NULL, NULL, 0, 0, "%s: %s\n",
+ errmsg, info);
+ }
if (ctxt != NULL) {
ctxt->wellFormed = 0;
if (ctxt->recovery == 0)
@@ -557,7 +558,7 @@ xmlFatalErr(xmlParserCtxtPtr ctxt, xmlParserErrors error, const char *info)
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg)
{
@@ -585,7 +586,7 @@ xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a warning.
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlWarningMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1, const xmlChar *str2)
{
@@ -623,7 +624,7 @@ xmlWarningMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a validity error.
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlValidityError(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1, const xmlChar *str2)
{
@@ -663,7 +664,7 @@ xmlValidityError(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlFatalErrMsgInt(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, int val)
{
@@ -693,7 +694,7 @@ xmlFatalErrMsgInt(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlFatalErrMsgStrIntStr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar *str1, int val,
const xmlChar *str2)
@@ -723,7 +724,7 @@ xmlFatalErrMsgStrIntStr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlFatalErrMsgStr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar * val)
{
@@ -752,7 +753,7 @@ xmlFatalErrMsgStr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a non fatal parser error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlErrMsgStr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const xmlChar * val)
{
@@ -777,7 +778,7 @@ xmlErrMsgStr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a fatal parser error, i.e. violating Well-Formedness constraints
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlNsErr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg,
const xmlChar * info1, const xmlChar * info2,
@@ -806,7 +807,7 @@ xmlNsErr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a namespace warning error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlNsWarn(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg,
const xmlChar * info1, const xmlChar * info2,
@@ -5522,7 +5523,7 @@ xmlParseEntityDecl(xmlParserCtxtPtr ctxt) {
skipped = SKIP_BLANKS;
if (skipped == 0) {
xmlFatalErrMsg(ctxt, XML_ERR_SPACE_REQUIRED,
- "Space required after '%'\n");
+ "Space required after '%%'\n");
}
isParameter = 1;
}
diff --git a/parserInternals.c b/parserInternals.c
index 6c3995c..8c79678 100644
--- a/parserInternals.c
+++ b/parserInternals.c
@@ -165,7 +165,7 @@ __xmlErrEncoding(xmlParserCtxtPtr ctxt, xmlParserErrors xmlerr,
*
* Handle an internal error
*/
-static void
+static void LIBXML_ATTR_FORMAT(2,0)
xmlErrInternal(xmlParserCtxtPtr ctxt, const char *msg, const xmlChar * str)
{
if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
@@ -193,7 +193,7 @@ xmlErrInternal(xmlParserCtxtPtr ctxt, const char *msg, const xmlChar * str)
*
* n encoding error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlErrEncodingInt(xmlParserCtxtPtr ctxt, xmlParserErrors error,
const char *msg, int val)
{
diff --git a/relaxng.c b/relaxng.c
index 5779e7f..345f354 100644
--- a/relaxng.c
+++ b/relaxng.c
@@ -507,7 +507,7 @@ xmlRngVErrMemory(xmlRelaxNGValidCtxtPtr ctxt, const char *extra)
*
* Handle a Relax NG Parsing error
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlRngPErr(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar * str1, const xmlChar * str2)
{
@@ -541,7 +541,7 @@ xmlRngPErr(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node, int error,
*
* Handle a Relax NG Validation error
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlRngVErr(xmlRelaxNGValidCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar * str1, const xmlChar * str2)
{
diff --git a/schematron.c b/schematron.c
index 458984f..6200f2d 100644
--- a/schematron.c
+++ b/schematron.c
@@ -245,7 +245,7 @@ xmlSchematronPErrMemory(xmlSchematronParserCtxtPtr ctxt,
*
* Handle a parser error
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlSchematronPErr(xmlSchematronParserCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar * str1, const xmlChar * str2)
{
diff --git a/testModule.c b/testModule.c
index e399f5c..77b7ba1 100644
--- a/testModule.c
+++ b/testModule.c
@@ -47,7 +47,7 @@ int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
/* build the module filename, and confirm the module exists */
xmlStrPrintf(filename, sizeof(filename),
- (const xmlChar*) "%s/testdso%s",
+ "%s/testdso%s",
(const xmlChar*)MODULE_PATH,
(const xmlChar*)LIBXML_MODULE_EXTENSION);
diff --git a/valid.c b/valid.c
index 6567f15..19f84b8 100644
--- a/valid.c
+++ b/valid.c
@@ -93,7 +93,7 @@ xmlVErrMemory(xmlValidCtxtPtr ctxt, const char *extra)
*
* Handle a validation error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlErrValid(xmlValidCtxtPtr ctxt, xmlParserErrors error,
const char *msg, const char *extra)
{
@@ -137,7 +137,7 @@ xmlErrValid(xmlValidCtxtPtr ctxt, xmlParserErrors error,
*
* Handle a validation error, provide contextual informations
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlErrValidNode(xmlValidCtxtPtr ctxt,
xmlNodePtr node, xmlParserErrors error,
const char *msg, const xmlChar * str1,
@@ -180,7 +180,7 @@ xmlErrValidNode(xmlValidCtxtPtr ctxt,
*
* Handle a validation error, provide contextual informations
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlErrValidNodeNr(xmlValidCtxtPtr ctxt,
xmlNodePtr node, xmlParserErrors error,
const char *msg, const xmlChar * str1,
@@ -221,7 +221,7 @@ xmlErrValidNodeNr(xmlValidCtxtPtr ctxt,
*
* Handle a validation error, provide contextual information
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlErrValidWarning(xmlValidCtxtPtr ctxt,
xmlNodePtr node, xmlParserErrors error,
const char *msg, const xmlChar * str1,
diff --git a/xinclude.c b/xinclude.c
index ff3dafb..e3bb43e 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -125,7 +125,7 @@ xmlXIncludeErrMemory(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node,
*
* Handle an XInclude error
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlXIncludeErr(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar *extra)
{
@@ -147,7 +147,7 @@ xmlXIncludeErr(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error,
*
* Emit an XInclude warning.
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlXIncludeWarn(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar *extra)
{
diff --git a/xmlIO.c b/xmlIO.c
index 8b13184..1a79c09 100644
--- a/xmlIO.c
+++ b/xmlIO.c
@@ -1604,7 +1604,7 @@ xmlCreateZMemBuff( int compression ) {
xmlFreeZMemBuff( buff );
buff = NULL;
xmlStrPrintf(msg, 500,
- (const xmlChar *) "xmlCreateZMemBuff: %s %d\n",
+ "xmlCreateZMemBuff: %s %d\n",
"Error initializing compression context. ZLIB error:",
z_err );
xmlIOErr(XML_IO_WRITE, (const char *) msg);
@@ -1672,7 +1672,7 @@ xmlZMemBuffExtend( xmlZMemBuffPtr buff, size_t ext_amt ) {
else {
xmlChar msg[500];
xmlStrPrintf(msg, 500,
- (const xmlChar *) "xmlZMemBuffExtend: %s %lu bytes.\n",
+ "xmlZMemBuffExtend: %s %lu bytes.\n",
"Allocation failure extending output buffer to",
new_size );
xmlIOErr(XML_IO_WRITE, (const char *) msg);
@@ -1718,7 +1718,7 @@ xmlZMemBuffAppend( xmlZMemBuffPtr buff, const char * src, int len ) {
if ( z_err != Z_OK ) {
xmlChar msg[500];
xmlStrPrintf(msg, 500,
- (const xmlChar *) "xmlZMemBuffAppend: %s %d %s - %d",
+ "xmlZMemBuffAppend: %s %d %s - %d",
"Compression error while appending",
len, "bytes to buffer. ZLIB error", z_err );
xmlIOErr(XML_IO_WRITE, (const char *) msg);
@@ -1791,7 +1791,7 @@ xmlZMemBuffGetContent( xmlZMemBuffPtr buff, char ** data_ref ) {
else {
xmlChar msg[500];
xmlStrPrintf(msg, 500,
- (const xmlChar *) "xmlZMemBuffGetContent: %s - %d\n",
+ "xmlZMemBuffGetContent: %s - %d\n",
"Error flushing zlib buffers. Error code", z_err );
xmlIOErr(XML_IO_WRITE, (const char *) msg);
}
@@ -1996,7 +1996,7 @@ xmlIOHTTPWrite( void * context, const char * buffer, int len ) {
if ( len < 0 ) {
xmlChar msg[500];
xmlStrPrintf(msg, 500,
- (const xmlChar *) "xmlIOHTTPWrite: %s\n%s '%s'.\n",
+ "xmlIOHTTPWrite: %s\n%s '%s'.\n",
"Error appending to internal buffer.",
"Error sending document to URI",
ctxt->uri );
@@ -2068,7 +2068,7 @@ xmlIOHTTPCloseWrite( void * context, const char * http_mthd ) {
if ( http_content == NULL ) {
xmlChar msg[500];
xmlStrPrintf(msg, 500,
- (const xmlChar *) "xmlIOHTTPCloseWrite: %s '%s' %s '%s'.\n",
+ "xmlIOHTTPCloseWrite: %s '%s' %s '%s'.\n",
"Error retrieving content.\nUnable to",
http_mthd, "data to URI", ctxt->uri );
xmlIOErr(XML_IO_WRITE, (const char *) msg);
@@ -2140,7 +2140,7 @@ xmlIOHTTPCloseWrite( void * context, const char * http_mthd ) {
else {
xmlChar msg[500];
xmlStrPrintf(msg, 500,
- (const xmlChar *) "xmlIOHTTPCloseWrite: HTTP '%s' of %d %s\n'%s' %s %d\n",
+ "xmlIOHTTPCloseWrite: HTTP '%s' of %d %s\n'%s' %s %d\n",
http_mthd, content_lgth,
"bytes to URI", ctxt->uri,
"failed. HTTP return code:", http_rtn );
diff --git a/xmllint.c b/xmllint.c
index 00f1769..67f7adb 100644
--- a/xmllint.c
+++ b/xmllint.c
@@ -449,7 +449,7 @@ startTimer(void)
* message about the timing performed; format is a printf
* type argument
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(1,2)
endTimer(const char *fmt, ...)
{
long msec;
@@ -485,7 +485,7 @@ startTimer(void)
{
begin = clock();
}
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(1,2)
endTimer(const char *fmt, ...)
{
long msec;
@@ -514,7 +514,7 @@ startTimer(void)
* Do nothing
*/
}
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(1,2)
endTimer(char *format, ...)
{
/*
@@ -634,7 +634,7 @@ xmlHTMLPrintFileContext(xmlParserInputPtr input) {
* Display and format an error messages, gives file, line, position and
* extra parameters.
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
xmlHTMLError(void *ctx, const char *msg, ...)
{
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
@@ -671,7 +671,7 @@ xmlHTMLError(void *ctx, const char *msg, ...)
* Display and format a warning messages, gives file, line, position and
* extra parameters.
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
xmlHTMLWarning(void *ctx, const char *msg, ...)
{
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
@@ -709,7 +709,7 @@ xmlHTMLWarning(void *ctx, const char *msg, ...)
* Display and format an validity error messages, gives file,
* line, position and extra parameters.
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
xmlHTMLValidityError(void *ctx, const char *msg, ...)
{
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
@@ -746,7 +746,7 @@ xmlHTMLValidityError(void *ctx, const char *msg, ...)
* Display and format a validity warning messages, gives file, line,
* position and extra parameters.
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
xmlHTMLValidityWarning(void *ctx, const char *msg, ...)
{
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
@@ -1411,7 +1411,7 @@ commentDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *value)
* Display and format a warning messages, gives file, line, position and
* extra parameters.
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
warningDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
va_list args;
@@ -1434,7 +1434,7 @@ warningDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
* Display and format a error messages, gives file, line, position and
* extra parameters.
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
errorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
va_list args;
@@ -1457,7 +1457,7 @@ errorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
* Display and format a fatalError messages, gives file, line, position and
* extra parameters.
*/
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
fatalErrorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
va_list args;
diff --git a/xmlreader.c b/xmlreader.c
index d416dac..f285790 100644
--- a/xmlreader.c
+++ b/xmlreader.c
@@ -4050,13 +4050,19 @@ xmlTextReaderCurrentDoc(xmlTextReaderPtr reader) {
}
#ifdef LIBXML_SCHEMAS_ENABLED
-static char *xmlTextReaderBuildMessage(const char *msg, va_list ap);
+static char *xmlTextReaderBuildMessage(const char *msg, va_list ap) LIBXML_ATTR_FORMAT(1,0);
static void XMLCDECL
-xmlTextReaderValidityError(void *ctxt, const char *msg, ...);
+xmlTextReaderValidityError(void *ctxt, const char *msg, ...) LIBXML_ATTR_FORMAT(2,3);
static void XMLCDECL
-xmlTextReaderValidityWarning(void *ctxt, const char *msg, ...);
+xmlTextReaderValidityWarning(void *ctxt, const char *msg, ...) LIBXML_ATTR_FORMAT(2,3);
+
+static void XMLCDECL
+xmlTextReaderValidityErrorRelay(void *ctx, const char *msg, ...) LIBXML_ATTR_FORMAT(2,3);
+
+static void XMLCDECL
+xmlTextReaderValidityWarningRelay(void *ctx, const char *msg, ...) LIBXML_ATTR_FORMAT(2,3);
static void XMLCDECL
xmlTextReaderValidityErrorRelay(void *ctx, const char *msg, ...)
@@ -4850,7 +4856,7 @@ xmlTextReaderStructuredError(void *ctxt, xmlErrorPtr error)
}
}
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
xmlTextReaderError(void *ctxt, const char *msg, ...)
{
va_list ap;
@@ -4863,7 +4869,7 @@ xmlTextReaderError(void *ctxt, const char *msg, ...)
}
-static void XMLCDECL
+static void XMLCDECL LIBXML_ATTR_FORMAT(2,3)
xmlTextReaderWarning(void *ctxt, const char *msg, ...)
{
va_list ap;
diff --git a/xmlschemas.c b/xmlschemas.c
index ee22a6d..76f2119 100644
--- a/xmlschemas.c
+++ b/xmlschemas.c
@@ -1085,7 +1085,7 @@ xmlSchemaGetUnionSimpleTypeMemberTypes(xmlSchemaTypePtr type);
static void
xmlSchemaInternalErr(xmlSchemaAbstractCtxtPtr actxt,
const char *funcName,
- const char *message);
+ const char *message) LIBXML_ATTR_FORMAT(3,0);
static int
xmlSchemaCheckCOSSTDerivedOK(xmlSchemaAbstractCtxtPtr ctxt,
xmlSchemaTypePtr type,
@@ -1889,7 +1889,7 @@ xmlSchemaPErrMemory(xmlSchemaParserCtxtPtr ctxt,
*
* Handle a parser error
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlSchemaPErr(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar * str1, const xmlChar * str2)
{
@@ -1922,7 +1922,7 @@ xmlSchemaPErr(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, int error,
*
* Handle a parser error
*/
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaPErr2(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node,
xmlNodePtr child, int error,
const char *msg, const xmlChar * str1, const xmlChar * str2)
@@ -1951,7 +1951,7 @@ xmlSchemaPErr2(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node,
*
* Handle a parser error
*/
-static void
+static void LIBXML_ATTR_FORMAT(7,0)
xmlSchemaPErrExt(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, int error,
const xmlChar * strData1, const xmlChar * strData2,
const xmlChar * strData3, const char *msg, const xmlChar * str1,
@@ -2002,7 +2002,7 @@ xmlSchemaVErrMemory(xmlSchemaValidCtxtPtr ctxt,
extra);
}
-static void
+static void LIBXML_ATTR_FORMAT(2,0)
xmlSchemaPSimpleInternalErr(xmlNodePtr node,
const char *msg, const xmlChar *str)
{
@@ -2013,18 +2013,21 @@ xmlSchemaPSimpleInternalErr(xmlNodePtr node,
#define WXS_ERROR_TYPE_ERROR 1
#define WXS_ERROR_TYPE_WARNING 2
/**
- * xmlSchemaErr3:
+ * xmlSchemaErr4Line:
* @ctxt: the validation context
- * @node: the context node
+ * @errorLevel: the error level
* @error: the error code
+ * @node: the context node
+ * @line: the line number
* @msg: the error message
* @str1: extra data
* @str2: extra data
* @str3: extra data
+ * @str4: extra data
*
* Handle a validation error
*/
-static void
+static void LIBXML_ATTR_FORMAT(6,0)
xmlSchemaErr4Line(xmlSchemaAbstractCtxtPtr ctxt,
xmlErrorLevel errorLevel,
int error, xmlNodePtr node, int line, const char *msg,
@@ -2139,7 +2142,7 @@ xmlSchemaErr4Line(xmlSchemaAbstractCtxtPtr ctxt,
*
* Handle a validation error
*/
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlSchemaErr3(xmlSchemaAbstractCtxtPtr actxt,
int error, xmlNodePtr node, const char *msg,
const xmlChar *str1, const xmlChar *str2, const xmlChar *str3)
@@ -2148,7 +2151,7 @@ xmlSchemaErr3(xmlSchemaAbstractCtxtPtr actxt,
msg, str1, str2, str3, NULL);
}
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlSchemaErr4(xmlSchemaAbstractCtxtPtr actxt,
int error, xmlNodePtr node, const char *msg,
const xmlChar *str1, const xmlChar *str2,
@@ -2158,7 +2161,7 @@ xmlSchemaErr4(xmlSchemaAbstractCtxtPtr actxt,
msg, str1, str2, str3, str4);
}
-static void
+static void LIBXML_ATTR_FORMAT(4,0)
xmlSchemaErr(xmlSchemaAbstractCtxtPtr actxt,
int error, xmlNodePtr node, const char *msg,
const xmlChar *str1, const xmlChar *str2)
@@ -2181,7 +2184,7 @@ xmlSchemaFormatNodeForError(xmlChar ** msg,
/*
* Don't try to format other nodes than element and
* attribute nodes.
- * Play save and return an empty string.
+ * Play safe and return an empty string.
*/
*msg = xmlStrdup(BAD_CAST "");
return(*msg);
@@ -2262,7 +2265,7 @@ xmlSchemaFormatNodeForError(xmlChar ** msg,
return (*msg);
}
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlSchemaInternalErr2(xmlSchemaAbstractCtxtPtr actxt,
const char *funcName,
const char *message,
@@ -2273,24 +2276,21 @@ xmlSchemaInternalErr2(xmlSchemaAbstractCtxtPtr actxt,
if (actxt == NULL)
return;
- msg = xmlStrdup(BAD_CAST "Internal error: ");
- msg = xmlStrcat(msg, BAD_CAST funcName);
- msg = xmlStrcat(msg, BAD_CAST ", ");
+ msg = xmlStrdup(BAD_CAST "Internal error: %s, ");
msg = xmlStrcat(msg, BAD_CAST message);
msg = xmlStrcat(msg, BAD_CAST ".\n");
if (actxt->type == XML_SCHEMA_CTXT_VALIDATOR)
- xmlSchemaErr(actxt, XML_SCHEMAV_INTERNAL, NULL,
- (const char *) msg, str1, str2);
-
+ xmlSchemaErr3(actxt, XML_SCHEMAV_INTERNAL, NULL,
+ (const char *) msg, (const xmlChar *) funcName, str1, str2);
else if (actxt->type == XML_SCHEMA_CTXT_PARSER)
- xmlSchemaErr(actxt, XML_SCHEMAP_INTERNAL, NULL,
- (const char *) msg, str1, str2);
+ xmlSchemaErr3(actxt, XML_SCHEMAP_INTERNAL, NULL,
+ (const char *) msg, (const xmlChar *) funcName, str1, str2);
FREE_AND_NULL(msg)
}
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlSchemaInternalErr(xmlSchemaAbstractCtxtPtr actxt,
const char *funcName,
const char *message)
@@ -2299,7 +2299,7 @@ xmlSchemaInternalErr(xmlSchemaAbstractCtxtPtr actxt,
}
#if 0
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlSchemaPInternalErr(xmlSchemaParserCtxtPtr pctxt,
const char *funcName,
const char *message,
@@ -2311,7 +2311,7 @@ xmlSchemaPInternalErr(xmlSchemaParserCtxtPtr pctxt,
}
#endif
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaCustomErr4(xmlSchemaAbstractCtxtPtr actxt,
xmlParserErrors error,
xmlNodePtr node,
@@ -2336,7 +2336,7 @@ xmlSchemaCustomErr4(xmlSchemaAbstractCtxtPtr actxt,
FREE_AND_NULL(msg)
}
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaCustomErr(xmlSchemaAbstractCtxtPtr actxt,
xmlParserErrors error,
xmlNodePtr node,
@@ -2351,7 +2351,7 @@ xmlSchemaCustomErr(xmlSchemaAbstractCtxtPtr actxt,
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaCustomWarning(xmlSchemaAbstractCtxtPtr actxt,
xmlParserErrors error,
xmlNodePtr node,
@@ -2376,7 +2376,7 @@ xmlSchemaCustomWarning(xmlSchemaAbstractCtxtPtr actxt,
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaKeyrefErr(xmlSchemaValidCtxtPtr vctxt,
xmlParserErrors error,
xmlSchemaPSVIIDCNodePtr idcNode,
@@ -2525,7 +2525,7 @@ xmlSchemaIllegalAttrErr(xmlSchemaAbstractCtxtPtr actxt,
FREE_AND_NULL(msg)
}
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaComplexTypeErr(xmlSchemaAbstractCtxtPtr actxt,
xmlParserErrors error,
xmlNodePtr node,
@@ -2625,7 +2625,7 @@ xmlSchemaComplexTypeErr(xmlSchemaAbstractCtxtPtr actxt,
xmlFree(msg);
}
-static void
+static void LIBXML_ATTR_FORMAT(8,0)
xmlSchemaFacetErr(xmlSchemaAbstractCtxtPtr actxt,
xmlParserErrors error,
xmlNodePtr node,
@@ -2916,7 +2916,7 @@ xmlSchemaPIllegalAttrErr(xmlSchemaParserCtxtPtr ctxt,
*
* Reports an error during parsing.
*/
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaPCustomErrExt(xmlSchemaParserCtxtPtr ctxt,
xmlParserErrors error,
xmlSchemaBasicItemPtr item,
@@ -2952,7 +2952,7 @@ xmlSchemaPCustomErrExt(xmlSchemaParserCtxtPtr ctxt,
*
* Reports an error during parsing.
*/
-static void
+static void LIBXML_ATTR_FORMAT(5,0)
xmlSchemaPCustomErr(xmlSchemaParserCtxtPtr ctxt,
xmlParserErrors error,
xmlSchemaBasicItemPtr item,
@@ -2977,7 +2977,7 @@ xmlSchemaPCustomErr(xmlSchemaParserCtxtPtr ctxt,
*
* Reports an attribute use error during parsing.
*/
-static void
+static void LIBXML_ATTR_FORMAT(6,0)
xmlSchemaPAttrUseErr4(xmlSchemaParserCtxtPtr ctxt,
xmlParserErrors error,
xmlNodePtr node,
@@ -3099,7 +3099,7 @@ xmlSchemaPMutualExclAttrErr(xmlSchemaParserCtxtPtr ctxt,
* Reports a simple type validation error.
* TODO: Should this report the value of an element as well?
*/
-static void
+static void LIBXML_ATTR_FORMAT(8,0)
xmlSchemaPSimpleTypeErr(xmlSchemaParserCtxtPtr ctxt,
xmlParserErrors error,
xmlSchemaBasicItemPtr ownerItem ATTRIBUTE_UNUSED,
diff --git a/xmlstring.c b/xmlstring.c
index 00287d4..42e380f 100644
--- a/xmlstring.c
+++ b/xmlstring.c
@@ -545,7 +545,7 @@ xmlStrcat(xmlChar *cur, const xmlChar *add) {
* Returns the number of characters written to @buf or -1 if an error occurs.
*/
int XMLCDECL
-xmlStrPrintf(xmlChar *buf, int len, const xmlChar *msg, ...) {
+xmlStrPrintf(xmlChar *buf, int len, const char *msg, ...) {
va_list args;
int ret;
@@ -573,7 +573,7 @@ xmlStrPrintf(xmlChar *buf, int len, const xmlChar *msg, ...) {
* Returns the number of characters written to @buf or -1 if an error occurs.
*/
int
-xmlStrVPrintf(xmlChar *buf, int len, const xmlChar *msg, va_list ap) {
+xmlStrVPrintf(xmlChar *buf, int len, const char *msg, va_list ap) {
int ret;
if((buf == NULL) || (msg == NULL)) {
diff --git a/xmlwriter.c b/xmlwriter.c
index fac20ac..69541b8 100644
--- a/xmlwriter.c
+++ b/xmlwriter.c
@@ -113,7 +113,7 @@ static int xmlTextWriterWriteDocCallback(void *context,
const xmlChar * str, int len);
static int xmlTextWriterCloseDocCallback(void *context);
-static xmlChar *xmlTextWriterVSprintf(const char *format, va_list argptr);
+static xmlChar *xmlTextWriterVSprintf(const char *format, va_list argptr) LIBXML_ATTR_FORMAT(1,0);
static int xmlOutputBufferWriteBase64(xmlOutputBufferPtr out, int len,
const unsigned char *data);
static void xmlTextWriterStartDocumentCallback(void *ctx);
@@ -153,7 +153,7 @@ xmlWriterErrMsg(xmlTextWriterPtr ctxt, xmlParserErrors error,
*
* Handle a writer error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlWriterErrMsgInt(xmlTextWriterPtr ctxt, xmlParserErrors error,
const char *msg, int val)
{
diff --git a/xpath.c b/xpath.c
index 620e814..113bce6 100644
--- a/xpath.c
+++ b/xpath.c
@@ -639,7 +639,7 @@ xmlXPathErrMemory(xmlXPathContextPtr ctxt, const char *extra)
xmlChar buf[200];
xmlStrPrintf(buf, 200,
- BAD_CAST "Memory allocation failed : %s\n",
+ "Memory allocation failed : %s\n",
extra);
ctxt->lastError.message = (char *) xmlStrdup(buf);
} else {
diff --git a/xpointer.c b/xpointer.c
index 4b4ac2e..676c510 100644
--- a/xpointer.c
+++ b/xpointer.c
@@ -85,7 +85,7 @@ xmlXPtrErrMemory(const char *extra)
*
* Handle a redefinition of attribute error
*/
-static void
+static void LIBXML_ATTR_FORMAT(3,0)
xmlXPtrErr(xmlXPathParserContextPtr ctxt, int error,
const char * msg, const xmlChar *extra)
{
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