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html: Rework serialization of meta encoding attributes

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Don't allocate memory.
This commit is contained in:
Nick Wellnhofer
2025-05-12 00:04:22 +02:00
parent 7654c2efc0
commit f602c0c186
4 changed files with 31 additions and 24 deletions
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20
xmlIO.c
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@@ -374,9 +374,9 @@ xmlEscapeText(const xmlChar *string, int flags) {
#ifdef LIBXML_OUTPUT_ENABLED
void
xmlSerializeText(xmlOutputBufferPtr buf, const xmlChar *string,
xmlSerializeText(xmlOutputBufferPtr buf, const xmlChar *string, size_t maxSize,
unsigned flags) {
const char *cur;
const xmlChar *cur;
const signed char *tab;
if (string == NULL)
@@ -400,10 +400,10 @@ xmlSerializeText(xmlOutputBufferPtr buf, const xmlChar *string,
tab = xmlEscapeTab;
}
cur = (const char *) string;
cur = string;
while (*cur != 0) {
const char *base;
while (1) {
const xmlChar *base;
int c;
int offset;
@@ -411,6 +411,9 @@ xmlSerializeText(xmlOutputBufferPtr buf, const xmlChar *string,
offset = -1;
while (1) {
if ((size_t) (cur - string) >= maxSize)
break;
c = (unsigned char) *cur;
if (c < 0x80) {
@@ -425,7 +428,10 @@ xmlSerializeText(xmlOutputBufferPtr buf, const xmlChar *string,
}
if (cur > base)
xmlOutputBufferWrite(buf, cur - base, base);
xmlOutputBufferWrite(buf, cur - base, (char *) base);
if ((size_t) (cur - string) >= maxSize)
break;
if (offset >= 0) {
if (c == 0)
@@ -439,7 +445,7 @@ xmlSerializeText(xmlOutputBufferPtr buf, const xmlChar *string,
int tempSize;
int val = 0, len = 4;
val = xmlGetUTF8Char((const xmlChar *) cur, &len);
val = xmlGetUTF8Char(cur, &len);
if (val < 0) {
val = 0xFFFD;
cur += 1;