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Issue #483 - Some fixes for error condition

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This commit is contained in:
Geoff McLane 2017-02-02 16:43:10 +01:00
parent 259d330780
commit 9dc76c1e77
1 changed files with 7 additions and 5 deletions
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12
src/lexer.c
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@ -1042,11 +1042,12 @@ static Bool GetSurrogatePair(TidyDocImpl* doc, Bool isXml, uint *pch)
{
Lexer* lexer = doc->lexer;
uint bufSize = 32;
uint c, i, ch, offset = 0;
uint c, ch, offset = 0;
tmbstr buf = 0;
Bool success = no; /* assume failed */
int type = 0; /* assume numeric */
uint fch = *pch;
int i; /* has to be signed due to for i >= 0 */
if (!lexer)
return no;
buf = (tmbstr)TidyRealloc(lexer->allocator, buf, bufSize);
@ -1112,11 +1113,12 @@ static Bool GetSurrogatePair(TidyDocImpl* doc, Bool isXml, uint *pch)
}
if (!success)
{
if (ch == ';')
TY_(UngetChar)(ch, doc->docIn);
if (buf)
if (c == ';') /* if last, not added to buffer */
TY_(UngetChar)(c, doc->docIn);
if (buf && offset)
{
for (i = 0; i < offset; i++)
/* correct the order for unget - last first */
for (i = offset - 1; i >= 0; i--)
{
c = buf[i];
TY_(UngetChar)(c, doc->docIn);