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html: Fix memory leak after malloc failure

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This commit is contained in:
Nick Wellnhofer 2024-05-06 11:36:25 +02:00
parent 3afaff7e8e
commit 72e9267c32
1 changed files with 19 additions and 5 deletions
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24
HTMLtree.c
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@ -513,7 +513,10 @@ htmlNodeDumpFileFormat(FILE *out, xmlDocPtr doc,
*/
handler = htmlFindOutputEncoder(encoding);
buf = xmlOutputBufferCreateFile(out, handler);
if (buf == NULL) return(0);
if (buf == NULL) {
xmlCharEncCloseFunc(handler);
return(0);
}
htmlNodeDumpFormatOutput(buf, doc, cur, NULL, format);
@ -563,8 +566,10 @@ htmlDocDumpMemoryFormat(xmlDocPtr cur, xmlChar**mem, int *size, int format) {
encoding = (const char *) htmlGetMetaEncoding(cur);
handler = htmlFindOutputEncoder(encoding);
buf = xmlAllocOutputBufferInternal(handler);
if (buf == NULL)
if (buf == NULL) {
xmlCharEncCloseFunc(handler);
return;
}
htmlDocContentDumpFormatOutput(buf, cur, NULL, format);
@ -1029,7 +1034,10 @@ htmlDocDump(FILE *f, xmlDocPtr cur) {
encoding = (const char *) htmlGetMetaEncoding(cur);
handler = htmlFindOutputEncoder(encoding);
buf = xmlOutputBufferCreateFile(f, handler);
if (buf == NULL) return(-1);
if (buf == NULL) {
xmlCharEncCloseFunc(handler);
return(-1);
}
htmlDocContentDumpOutput(buf, cur, NULL);
ret = xmlOutputBufferClose(buf);
@ -1060,7 +1068,10 @@ htmlSaveFile(const char *filename, xmlDocPtr cur) {
encoding = (const char *) htmlGetMetaEncoding(cur);
handler = htmlFindOutputEncoder(encoding);
buf = xmlOutputBufferCreateFilename(filename, handler, cur->compression);
if (buf == NULL) return(0);
if (buf == NULL) {
xmlCharEncCloseFunc(handler);
return(0);
}
htmlDocContentDumpOutput(buf, cur, NULL);
@ -1101,7 +1112,10 @@ htmlSaveFileFormat(const char *filename, xmlDocPtr cur,
* save the content to a temp buffer.
*/
buf = xmlOutputBufferCreateFilename(filename, handler, 0);
if (buf == NULL) return(0);
if (buf == NULL) {
xmlCharEncCloseFunc(handler);
return(0);
}
htmlDocContentDumpFormatOutput(buf, cur, encoding, format);