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more cleanups based on coverity reports. Daniel

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* SAX2.c catalog.c encoding.c entities.c example/gjobread.c
  python/libxml.c: more cleanups based on coverity reports.
Daniel
This commit is contained in:
Daniel Veillard 2006-03-09 16:49:24 +00:00
parent 30e7607b7a
commit 2728f845c5
7 changed files with 52 additions and 50 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
Thu Mar 9 17:47:40 CET 2006 Daniel Veillard <daniel@veillard.com>
* SAX2.c catalog.c encoding.c entities.c example/gjobread.c
python/libxml.c: more cleanups based on coverity reports.
Thu Mar 9 15:12:19 CET 2006 Daniel Veillard <daniel@veillard.com>
* HTMLparser.c parser.c parserInternals.c pattern.c uri.c: a bunch

40
SAX2.c
View File

@ -83,15 +83,21 @@ xmlErrValid(xmlParserCtxtPtr ctxt, xmlParserErrors error,
ctxt->errNo = error;
if ((ctxt->sax != NULL) && (ctxt->sax->initialized == XML_SAX2_MAGIC))
schannel = ctxt->sax->serror;
}
__xmlRaiseError(schannel,
ctxt->vctxt.error, ctxt->vctxt.userData,
ctxt, NULL, XML_FROM_DTD, error,
XML_ERR_ERROR, NULL, 0, (const char *) str1,
(const char *) str2, NULL, 0, 0,
msg, (const char *) str1, (const char *) str2);
if (ctxt != NULL)
__xmlRaiseError(schannel,
ctxt->vctxt.error, ctxt->vctxt.userData,
ctxt, NULL, XML_FROM_DTD, error,
XML_ERR_ERROR, NULL, 0, (const char *) str1,
(const char *) str2, NULL, 0, 0,
msg, (const char *) str1, (const char *) str2);
ctxt->valid = 0;
} else {
__xmlRaiseError(schannel,
NULL, NULL,
ctxt, NULL, XML_FROM_DTD, error,
XML_ERR_ERROR, NULL, 0, (const char *) str1,
(const char *) str2, NULL, 0, 0,
msg, (const char *) str1, (const char *) str2);
}
}
/**
@ -694,7 +700,9 @@ xmlSAX2AttributeDecl(void *ctx, const xmlChar *elem, const xmlChar *fullname,
xmlAttributePtr attr;
xmlChar *name = NULL, *prefix = NULL;
if (ctx == NULL) return;
if ((ctxt == NULL) || (ctxt->myDoc == NULL))
return;
#ifdef DEBUG_SAX
xmlGenericError(xmlGenericErrorContext,
"SAX.xmlSAX2AttributeDecl(%s, %s, %d, %d, %s, ...)\n",
@ -732,7 +740,7 @@ xmlSAX2AttributeDecl(void *ctx, const xmlChar *elem, const xmlChar *fullname,
if (ctxt->vctxt.valid == 0)
ctxt->valid = 0;
if ((attr != NULL) && (ctxt->validate) && (ctxt->wellFormed) &&
(ctxt->myDoc != NULL) && (ctxt->myDoc->intSubset != NULL))
(ctxt->myDoc->intSubset != NULL))
ctxt->valid &= xmlValidateAttributeDecl(&ctxt->vctxt, ctxt->myDoc,
attr);
#endif /* LIBXML_VALID_ENABLED */
@ -758,7 +766,9 @@ xmlSAX2ElementDecl(void *ctx, const xmlChar * name, int type,
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
xmlElementPtr elem = NULL;
if (ctx == NULL) return;
if ((ctxt == NULL) || (ctxt->myDoc == NULL))
return;
#ifdef DEBUG_SAX
xmlGenericError(xmlGenericErrorContext,
"SAX.xmlSAX2ElementDecl(%s, %d, ...)\n", name, type);
@ -802,7 +812,9 @@ xmlSAX2NotationDecl(void *ctx, const xmlChar *name,
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
xmlNotationPtr nota = NULL;
if (ctx == NULL) return;
if ((ctxt == NULL) || (ctxt->myDoc == NULL))
return;
#ifdef DEBUG_SAX
xmlGenericError(xmlGenericErrorContext,
"SAX.xmlSAX2NotationDecl(%s, %s, %s)\n", name, publicId, systemId);
@ -827,8 +839,8 @@ xmlSAX2NotationDecl(void *ctx, const xmlChar *name,
}
#ifdef LIBXML_VALID_ENABLED
if (nota == NULL) ctxt->valid = 0;
if (ctxt->validate && ctxt->wellFormed &&
ctxt->myDoc && ctxt->myDoc->intSubset)
if ((ctxt->validate) && (ctxt->wellFormed) &&
(ctxt->myDoc->intSubset != NULL))
ctxt->valid &= xmlValidateNotationDecl(&ctxt->vctxt, ctxt->myDoc,
nota);
#endif /* LIBXML_VALID_ENABLED */

8
catalog.c
View File

@ -1200,8 +1200,6 @@ static void
xmlParseXMLCatalogNode(xmlNodePtr cur, xmlCatalogPrefer prefer,
xmlCatalogEntryPtr parent, xmlCatalogEntryPtr cgroup)
{
xmlChar *uri = NULL;
xmlChar *URL = NULL;
xmlChar *base = NULL;
xmlCatalogEntryPtr entry = NULL;
@ -1288,10 +1286,6 @@ xmlParseXMLCatalogNode(xmlNodePtr cur, xmlCatalogPrefer prefer,
}
if (base != NULL)
xmlFree(base);
if (uri != NULL)
xmlFree(uri);
if (URL != NULL)
xmlFree(URL);
}
/**
@ -3220,7 +3214,7 @@ xmlLoadCatalogs(const char *pathss) {
return;
cur = pathss;
while ((cur != NULL) && (*cur != 0)) {
while (*cur != 0) {
while (xmlIsBlank_ch(*cur)) cur++;
if (*cur != 0) {
paths = cur;

26
encoding.c
View File

@ -132,21 +132,16 @@ asciiToUTF8(unsigned char* out, int *outlen,
while ((in < inend) && (out - outstart + 5 < *outlen)) {
c= *in++;
/* assertion: c is a single UTF-4 value */
if (out >= outend)
break;
if (c < 0x80) { *out++= c; bits= -6; }
else {
if (c < 0x80) {
*out++ = c;
} else {
*outlen = out - outstart;
*inlen = processed - base;
return(-1);
}
for ( ; bits >= 0; bits-= 6) {
if (out >= outend)
break;
*out++= ((c >> bits) & 0x3F) | 0x80;
}
processed = (const unsigned char*) in;
}
*outlen = out - outstart;
@ -529,7 +524,7 @@ UTF8ToUTF16LE(unsigned char* outb, int *outlen,
const unsigned char *const instart = in;
unsigned short* outstart= out;
unsigned short* outend;
const unsigned char* inend= in+*inlen;
const unsigned char* inend;
unsigned int c, d;
int trailing;
unsigned char *tmp;
@ -542,6 +537,7 @@ UTF8ToUTF16LE(unsigned char* outb, int *outlen,
*inlen = 0;
return(0);
}
inend= in + *inlen;
outend = out + (*outlen / 2);
while (in < inend) {
d= *in++;
@ -770,7 +766,7 @@ UTF8ToUTF16BE(unsigned char* outb, int *outlen,
const unsigned char *const instart = in;
unsigned short* outstart= out;
unsigned short* outend;
const unsigned char* inend= in+*inlen;
const unsigned char* inend;
unsigned int c, d;
int trailing;
unsigned char *tmp;
@ -783,6 +779,7 @@ UTF8ToUTF16BE(unsigned char* outb, int *outlen,
*inlen = 0;
return(0);
}
inend= in + *inlen;
outend = out + (*outlen / 2);
while (in < inend) {
d= *in++;
@ -1702,13 +1699,8 @@ xmlIconvWrapper(iconv_t cd, unsigned char *out, int *outlen,
icv_inlen = *inlen;
icv_outlen = *outlen;
ret = iconv(cd, (char **) &icv_in, &icv_inlen, &icv_out, &icv_outlen);
if (in != NULL) {
*inlen -= icv_inlen;
*outlen -= icv_outlen;
} else {
*inlen = 0;
*outlen = 0;
}
*inlen -= icv_inlen;
*outlen -= icv_outlen;
if ((icv_inlen != 0) || (ret == -1)) {
#ifdef EILSEQ
if (errno == EILSEQ) {

7
entities.c
View File

@ -560,7 +560,7 @@ xmlEncodeEntitiesReentrant(xmlDocPtr doc, const xmlChar *input) {
*out++ = xc;
} else
*/
*out++ = *cur;
*out++ = *cur;
} else {
/*
* We assume we have UTF-8 input.
@ -616,10 +616,7 @@ xmlEncodeEntitiesReentrant(xmlDocPtr doc, const xmlChar *input) {
/*
* We could do multiple things here. Just save as a char ref
*/
if (html)
snprintf(buf, sizeof(buf), "&#%d;", val);
else
snprintf(buf, sizeof(buf), "&#x%X;", val);
snprintf(buf, sizeof(buf), "&#x%X;", val);
buf[sizeof(buf) - 1] = 0;
ptr = buf;
while (*ptr != 0) *out++ = *ptr++;

12
example/gjobread.c
View File

@ -237,12 +237,14 @@ parseGjobFile(char *filename) {
*/
/* First level we expect just Jobs */
cur = cur->xmlChildrenNode;
while ( cur && xmlIsBlankNode ( cur ) )
{
while ( cur && xmlIsBlankNode ( cur ) ) {
cur = cur -> next;
}
if ( cur == 0 )
return ( NULL );
}
if ( cur == 0 ) {
xmlFreeDoc(doc);
free(ret);
return ( NULL );
}
if ((xmlStrcmp(cur->name, (const xmlChar *) "Jobs")) || (cur->ns != ns)) {
fprintf(stderr,"document of the wrong type, was '%s', Jobs expected",
cur->name);

4
python/libxml.c
View File

@ -2323,13 +2323,13 @@ static PyObject *
libxml_properties(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
{
PyObject *resultobj, *obj;
xmlNodePtr cur = NULL;
xmlNodePtr cur;
xmlAttrPtr res;
if (!PyArg_ParseTuple(args, (char *) "O:properties", &obj))
return NULL;
cur = PyxmlNode_Get(obj);
if (cur->type == XML_ELEMENT_NODE)
if ((cur != NULL) && (cur->type == XML_ELEMENT_NODE))
res = cur->properties;
else
res = NULL;