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Is. #761 - just deal with the 'uint' wrap

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This commit is contained in:
Geoff McLane 2019-05-20 21:01:13 +02:00
parent 0873d74f8e
commit 7bc23f0e80
1 changed files with 3 additions and 0 deletions
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3
src/lexer.c
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@ -947,12 +947,15 @@ static void AddByte( Lexer *lexer, tmbchar ch )
{
tmbstr buf = NULL;
uint allocAmt = lexer->lexlength;
uint prev = allocAmt; /* Is. #761 */
while ( lexer->lexsize + 2 >= allocAmt )
{
if ( allocAmt == 0 )
allocAmt = 8192;
else
allocAmt *= 2;
if (allocAmt < prev) /* Is. #761 - watch for wrap - and */
TidyPanic(lexer->allocator, "\nPanic: out of internal memory!\nDocument input too big!\n");
}
buf = (tmbstr) TidyRealloc( lexer->allocator, lexer->lexbuf, allocAmt );
if ( buf )