Commit 14b56439 authored by Daniel Veillard's avatar Daniel Veillard
Browse files

more cleanups based on coverity reports. Daniel

* relaxng.c xmlschemas.c xmlschemastypes.c: more cleanups based
  on coverity reports.
Daniel
parent 2728f845
Thu Mar 9 19:36:14 CET 2006 Daniel Veillard <daniel@veillard.com>
* relaxng.c xmlschemas.c xmlschemastypes.c: more cleanups based
on coverity reports.
Thu Mar 9 17:47:40 CET 2006 Daniel Veillard <daniel@veillard.com>
* SAX2.c catalog.c encoding.c entities.c example/gjobread.c
......
......@@ -1159,7 +1159,7 @@ xmlRelaxNGFreeStates(xmlRelaxNGValidCtxtPtr ctxt,
ctxt->freeStates = tmp;
ctxt->freeStatesMax *= 2;
}
if ((ctxt == NULL) || (ctxt->freeState == NULL)) {
if ((ctxt == NULL) || (ctxt->freeStates == NULL)) {
xmlFree(states->tabState);
xmlFree(states);
} else {
......@@ -1563,8 +1563,10 @@ xmlRelaxNGRemoveRedefine(xmlRelaxNGParserCtxtPtr ctxt,
children, name) == 1) {
found = 1;
}
#ifdef DEBUG_INCLUDE
if (href != NULL)
xmlFree(href);
#endif
}
}
}
......@@ -3577,7 +3579,7 @@ xmlRelaxNGParseValue(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node)
static xmlRelaxNGDefinePtr
xmlRelaxNGParseData(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node)
{
xmlRelaxNGDefinePtr def = NULL, except, last = NULL;
xmlRelaxNGDefinePtr def = NULL, except;
xmlRelaxNGDefinePtr param, lastparam = NULL;
xmlRelaxNGTypeLibraryPtr lib;
xmlChar *type;
......@@ -3685,7 +3687,7 @@ xmlRelaxNGParseData(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node)
if ((content != NULL)
&& (xmlStrEqual(content->name, BAD_CAST "except"))) {
xmlNodePtr child;
xmlRelaxNGDefinePtr tmp2, last2 = NULL;
xmlRelaxNGDefinePtr tmp2, last = NULL;
except = xmlRelaxNGNewDefine(ctxt, node);
if (except == NULL) {
......@@ -3693,11 +3695,7 @@ xmlRelaxNGParseData(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node)
}
except->type = XML_RELAXNG_EXCEPT;
child = content->children;
if (last == NULL) {
def->content = except;
} else {
last->next = except;
}
if (child == NULL) {
xmlRngPErr(ctxt, content, XML_RNGP_EXCEPT_NO_CONTENT,
"except has no content\n", NULL, NULL);
......@@ -3705,11 +3703,11 @@ xmlRelaxNGParseData(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node)
while (child != NULL) {
tmp2 = xmlRelaxNGParsePattern(ctxt, child);
if (tmp2 != NULL) {
if (last2 == NULL) {
except->content = last2 = tmp2;
if (last == NULL) {
except->content = last = tmp2;
} else {
last2->next = tmp2;
last2 = tmp2;
last->next = tmp2;
last = tmp2;
}
}
child = child->next;
......@@ -7796,8 +7794,6 @@ xmlRelaxNGValidateCompiledCallback(xmlRegExecCtxtPtr exec ATTRIBUTE_UNUSED,
#endif
if (ctxt == NULL) {
fprintf(stderr, "callback on %s missing context\n", token);
if ((ctxt != NULL) && (ctxt->errNo == XML_RELAXNG_OK))
ctxt->errNo = XML_RELAXNG_ERR_INTERNAL;
return;
}
if (define == NULL) {
......@@ -7841,10 +7837,11 @@ xmlRelaxNGValidateCompiledContent(xmlRelaxNGValidCtxtPtr ctxt,
xmlRegExecCtxtPtr exec;
xmlNodePtr cur;
int ret = 0;
int oldperr = ctxt->perr;
int oldperr;
if ((ctxt == NULL) || (regexp == NULL))
return (-1);
oldperr = ctxt->perr;
exec = xmlRegNewExecCtxt(regexp,
xmlRelaxNGValidateCompiledCallback, ctxt);
ctxt->perr = 0;
......@@ -8003,7 +8000,7 @@ xmlRelaxNGValidateProgressiveCallback(xmlRegExecCtxtPtr exec
xmlRelaxNGValidCtxtPtr ctxt = (xmlRelaxNGValidCtxtPtr) inputdata;
xmlRelaxNGDefinePtr define = (xmlRelaxNGDefinePtr) transdata;
xmlRelaxNGValidStatePtr state, oldstate;
xmlNodePtr node = ctxt->pnode;
xmlNodePtr node;
int ret = 0, oldflags;
#ifdef DEBUG_PROGRESSIVE
......@@ -8014,6 +8011,7 @@ xmlRelaxNGValidateProgressiveCallback(xmlRegExecCtxtPtr exec
fprintf(stderr, "callback on %s missing context\n", token);
return;
}
node = ctxt->pnode;
ctxt->pstate = 1;
if (define == NULL) {
if (token[0] == '#')
......@@ -8767,13 +8765,8 @@ xmlRelaxNGValidateValue(xmlRelaxNGValidCtxtPtr ctxt,
cur = ctxt->state->value;
}
ctxt->flags = oldflags;
if (ret != 0) {
if ((ctxt->flags & FLAGS_IGNORABLE) == 0)
xmlRelaxNGDumpValidError(ctxt);
} else {
if (ctxt->errNr > 0)
xmlRelaxNGPopErrors(ctxt, 0);
}
break;
}
case XML_RELAXNG_EXCEPT:{
......@@ -10091,6 +10084,11 @@ xmlRelaxNGValidateState(xmlRelaxNGValidCtxtPtr ctxt,
if (states == NULL) {
xmlRelaxNGNewStates(ctxt,
res->nbState - base);
states = ctxt->states;
if (states == NULL) {
progress = 0;
break;
}
}
states->nbState = 0;
for (i = base; i < res->nbState; i++)
......
......@@ -2232,6 +2232,8 @@ xmlSchemaInternalErr2(xmlSchemaAbstractCtxtPtr actxt,
{
xmlChar *msg = NULL;
if (actxt == NULL)
return;
msg = xmlStrdup(BAD_CAST "Internal error: ");
msg = xmlStrcat(msg, BAD_CAST funcName);
msg = xmlStrcat(msg, BAD_CAST ", ");
......@@ -2820,9 +2822,15 @@ xmlSchemaPCustomAttrErr(xmlSchemaParserCtxtPtr ctxt,
des = *ownerDes;
} else
des = *ownerDes;
if (attr == NULL) {
xmlSchemaPErrExt(ctxt, NULL, error, NULL, NULL, NULL,
"%s, attribute '%s': %s.\n",
BAD_CAST des, "Unknown", (const xmlChar *) msg, NULL, NULL);
} else {
xmlSchemaPErrExt(ctxt, (xmlNodePtr) attr, error, NULL, NULL, NULL,
"%s, attribute '%s': %s.\n",
BAD_CAST des, attr->name, (const xmlChar *) msg, NULL, NULL);
}
if (ownerDes == NULL)
FREE_AND_NULL(des);
}
......@@ -7991,6 +7999,9 @@ xmlSchemaCheckCSelectorXPath(xmlSchemaParserCtxtPtr ctxt,
* TODO: Call xmlPatterncompile with different options for selector/
* field.
*/
if (attr == NULL)
nsList == NULL;
else
nsList = xmlGetNsList(attr->doc, attr->parent);
/*
* Build an array of prefixes and namespaces.
......@@ -15505,8 +15516,7 @@ xmlSchemaCheckCOSSTRestricts(xmlSchemaParserCtxtPtr pctxt,
if (baseMember == NULL) {
PERROR_INT("xmlSchemaCheckCOSSTRestricts",
"different number of member types in base");
}
if ((member->type != baseMember->type) &&
} else if ((member->type != baseMember->type) &&
(xmlSchemaCheckCOSSTDerivedOK(ACTXT_CAST pctxt,
member->type, baseMember->type, 0) != 0)) {
xmlChar *strBMT = NULL, *strBT = NULL;
......@@ -24592,7 +24602,7 @@ static int
xmlSchemaValidateElemDecl(xmlSchemaValidCtxtPtr vctxt)
{
xmlSchemaElementPtr elemDecl = vctxt->inode->decl;
xmlSchemaTypePtr actualType = WXS_ELEM_TYPEDEF(elemDecl);
xmlSchemaTypePtr actualType;
/*
* cvc-elt (3.3.4) : 1
......@@ -24602,6 +24612,7 @@ xmlSchemaValidateElemDecl(xmlSchemaValidCtxtPtr vctxt)
"No matching declaration available");
return (vctxt->err);
}
actualType = WXS_ELEM_TYPEDEF(elemDecl);
/*
* cvc-elt (3.3.4) : 2
*/
......@@ -27460,7 +27471,7 @@ xmlSchemaVDocWalk(xmlSchemaValidCtxtPtr vctxt)
/*
* Process character content.
*/
if (ielem->flags & XML_SCHEMA_ELEM_INFO_EMPTY)
if ((ielem != NULL) && (ielem->flags & XML_SCHEMA_ELEM_INFO_EMPTY))
ielem->flags ^= XML_SCHEMA_ELEM_INFO_EMPTY;
ret = xmlSchemaVPushText(vctxt, node->type, node->content,
-1, XML_SCHEMA_PUSH_TEXT_PERSIST, NULL);
......@@ -27991,6 +28002,8 @@ static void
referenceSplit(void *ctx, const xmlChar *name)
{
xmlSchemaSAXPlugPtr ctxt = (xmlSchemaSAXPlugPtr) ctx;
if (ctxt == NULL)
return;
if ((ctxt != NULL) && (ctxt->user_sax != NULL) &&
(ctxt->user_sax->reference != NULL))
ctxt->user_sax->reference(ctxt->user_data, name);
......
......@@ -237,6 +237,9 @@ xmlSchemaNewMinLengthFacet(int value)
xmlSchemaFacetPtr ret;
ret = xmlSchemaNewFacet();
if (ret == NULL) {
return(NULL);
}
ret->type = XML_SCHEMA_FACET_MINLENGTH;
ret->val = xmlSchemaNewValue(XML_SCHEMAS_NNINTEGER);
ret->val->value.decimal.lo = value;
......@@ -1390,11 +1393,12 @@ _xmlSchemaParseTime (xmlSchemaValDatePtr dt, const xmlChar **str) {
*/
static int
_xmlSchemaParseTimeZone (xmlSchemaValDatePtr dt, const xmlChar **str) {
const xmlChar *cur = *str;
const xmlChar *cur;
int ret = 0;
if (str == NULL)
return -1;
cur = *str;
switch (*cur) {
case 0:
......@@ -2386,9 +2390,6 @@ xmlSchemaValAtomicType(xmlSchemaTypePtr type, const xmlChar * value,
const xmlChar *cur = value;
int neg = 0;
if (cur == NULL)
goto return1;
if (normOnTheFly)
while IS_WSP_BLANK_CH(*cur) cur++;
......@@ -3818,6 +3819,14 @@ _xmlSchemaDateAdd (xmlSchemaValPtr dt, xmlSchemaValPtr dur)
long tyr = r->year + (long)FQUOTIENT_RANGE((int)r->mon-1, 1, 13);
if (tyr == 0)
tyr--;
/*
* Coverity detected an overrun in daysInMonth
* of size 12 at position 12 with index variable "((r)->mon - 1)"
*/
if (tmon < 0)
tmon = 0;
if (tmon > 12)
tmon = 12;
tempdays += MAX_DAYINMONTH(tyr, tmon);
carry = -1;
} else if (tempdays > (long) MAX_DAYINMONTH(r->year, r->mon)) {
......
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