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applied a small buffer performance patch from Gary Pennington Daniel

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* xmlIO.c: applied a small buffer performance patch from Gary Pennington
Daniel
This commit is contained in:
Daniel Veillard
2002-05-16 08:43:22 +00:00
parent db574b6697
commit e53544902e
2 changed files with 15 additions and 10 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Thu May 16 10:43:26 CEST 2002 Daniel Veillard <daniel@veillard.com>
* xmlIO.c: applied a small buffer performance patch from Gary Pennington
Wed May 15 00:25:34 CEST 2002 Igor Zlatkovic <igor@stud.fh-frankfurt.de>
* win32/libxml2.def.src: exported xmlXPathNodeSetAddNs()

17
xmlIO.c
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@ -2114,6 +2114,7 @@ xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len) {
int res = 0;
int nbchars = 0;
int buffree;
int needSize;
if ((len <= MINLEN) && (len != 4))
len = MINLEN;
@ -2126,12 +2127,15 @@ xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len) {
if (len > buffree)
len = buffree;
buffer = (char *) xmlMalloc((len + 1) * sizeof(char));
if (buffer == NULL) {
needSize = in->buffer->use + len + 1;
if (needSize > in->buffer->size){
if (!xmlBufferResize(in->buffer, needSize)){
xmlGenericError(xmlGenericErrorContext,
"xmlParserInputBufferGrow : out of memory !\n");
return(-1);
"xmlBufferAdd : out of memory!\n");
return(0);
}
}
buffer = (char *)&in->buffer->content[in->buffer->use];
/*
* Call the read method for this I/O type.
@ -2143,12 +2147,10 @@ xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len) {
} else {
xmlGenericError(xmlGenericErrorContext,
"xmlParserInputBufferGrow : no input !\n");
xmlFree(buffer);
return(-1);
}
if (res < 0) {
perror ("read error");
xmlFree(buffer);
return(-1);
}
len = res;
@ -2172,15 +2174,14 @@ xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len) {
}
} else {
nbchars = len;
in->buffer->use += nbchars;
buffer[nbchars] = 0;
xmlBufferAdd(in->buffer, (xmlChar *) buffer, nbchars);
}
#ifdef DEBUG_INPUT
xmlGenericError(xmlGenericErrorContext,
"I/O: read %d chars, buffer %d/%d\n",
nbchars, in->buffer->use, in->buffer->size);
#endif
xmlFree(buffer);
return(nbchars);
}