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optimization when freeing hash tables. some tuning of buffer allocations

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* dict.c hash.c: optimization when freeing hash tables.
* parser.c xmlIO.c include/libxml/tree.h: some tuning of buffer
  allocations
* parser.c parserInternals.c include/libxml/parser.h: keep a
  single allocated block for all the attributes callbacks,
  avoid useless malloc()/free()
* tree.c: do not realloc() when growing a buffer if the buffer
  ain't full, malloc/memcpy/free avoid copying memory.
Daniel
This commit is contained in:
Daniel Veillard
2003-08-19 15:01:28 +00:00
parent 66f68e716b
commit 6155d8aafa
9 changed files with 60 additions and 21 deletions
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9
xmlIO.c
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@ -1574,7 +1574,7 @@ xmlAllocParserInputBuffer(xmlCharEncoding enc) {
return(NULL);
}
memset(ret, 0, (size_t) sizeof(xmlParserInputBuffer));
ret->buffer = xmlBufferCreate();
ret->buffer = xmlBufferCreateSize(2 * xmlDefaultBufferSize);
if (ret->buffer == NULL) {
xmlFree(ret);
return(NULL);
@ -1582,7 +1582,7 @@ xmlAllocParserInputBuffer(xmlCharEncoding enc) {
ret->buffer->alloc = XML_BUFFER_ALLOC_DOUBLEIT;
ret->encoder = xmlGetCharEncodingHandler(enc);
if (ret->encoder != NULL)
ret->raw = xmlBufferCreate();
ret->raw = xmlBufferCreateSize(2 * xmlDefaultBufferSize);
else
ret->raw = NULL;
ret->readcallback = NULL;
@ -2173,16 +2173,15 @@ xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len) {
int buffree;
unsigned int needSize;
if ((len <= MINLEN) && (len != 4))
if ((len <= MINLEN) && (len != 4))
len = MINLEN;
buffree = in->buffer->size - in->buffer->use;
if (buffree <= 0) {
xmlGenericError(xmlGenericErrorContext,
"xmlParserInputBufferGrow : buffer full !\n");
return(0);
}
if (len > buffree)
len = buffree;
needSize = in->buffer->use + len + 1;
if (needSize > in->buffer->size){