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parser: Don't overwrite catastrophic errors

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Stop reporting errors after a catastrophic error.

Also make sure that ctxt->errNo matches ctxt->lastError.code.
This commit is contained in:
Nick Wellnhofer
2024-11-25 20:59:06 +01:00
parent 5737466a31
commit 57087e5fc7
2 changed files with 24 additions and 13 deletions
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33
parserInternals.c
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@@ -254,19 +254,13 @@ xmlCtxtErrIO(xmlParserCtxtPtr ctxt, int code, const char *uri)
msg, str1, str2);
}
static int
xmlCtxtIsCatastrophicError(xmlParserCtxtPtr ctxt) {
int
xmlIsCatastrophicError(int level, int code) {
int fatal = 0;
int code;
if (ctxt == NULL)
return(1);
if (ctxt->lastError.level != XML_ERR_FATAL)
if (level != XML_ERR_FATAL)
return(0);
code = ctxt->lastError.code;
switch (code) {
case XML_ERR_NO_MEMORY:
case XML_ERR_RESOURCE_LIMIT:
@@ -284,6 +278,15 @@ xmlCtxtIsCatastrophicError(xmlParserCtxtPtr ctxt) {
return(fatal);
}
int
xmlCtxtIsCatastrophicError(xmlParserCtxtPtr ctxt) {
if (ctxt == NULL)
return(1);
return(xmlIsCatastrophicError(ctxt->lastError.level,
ctxt->lastError.code));
}
/**
* xmlCtxtVErr:
* @ctxt: a parser context
@@ -325,15 +328,20 @@ xmlCtxtVErr(xmlParserCtxtPtr ctxt, xmlNodePtr node, xmlErrorDomain domain,
if (PARSER_STOPPED(ctxt))
return;
/* Don't overwrite catastrophic errors */
if (xmlCtxtIsCatastrophicError(ctxt))
return;
if (level == XML_ERR_WARNING) {
if (ctxt->nbWarnings >= XML_MAX_ERRORS)
goto done;
return;
ctxt->nbWarnings += 1;
} else {
/* Report at least one fatal error. */
if ((ctxt->nbErrors >= XML_MAX_ERRORS) &&
((level < XML_ERR_FATAL) || (ctxt->wellFormed == 0)))
goto done;
((level < XML_ERR_FATAL) || (ctxt->wellFormed == 0)) &&
(!xmlIsCatastrophicError(level, code)))
return;
ctxt->nbErrors += 1;
}
@@ -384,7 +392,6 @@ xmlCtxtVErr(xmlParserCtxtPtr ctxt, xmlNodePtr node, xmlErrorDomain domain,
return;
}
done:
if (level >= XML_ERR_ERROR)
ctxt->errNo = code;
if (level == XML_ERR_FATAL) {