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Fix a potential buffer overread provoked by invalid utf-8 in fts5.

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FossilOrigin-Name: a049fbbde5da2e43d41aa8c2b41f9eb21507ac76
This commit is contained in:
dan
2016-02-12 18:48:09 +00:00
parent f2d328fa25
commit 53ff9c2972
4 changed files with 12 additions and 12 deletions
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4
ext/fts3/unicode/mkunicode.tcl
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@ -226,9 +226,9 @@ proc print_isalnum {zFunc lRange} {
an_print_range_array $lRange
an_print_ascii_bitmap $lRange
puts {
if( c<128 ){
if( (unsigned int)c<128 ){
return ( (aAscii[c >> 5] & (1 << (c & 0x001F)))==0 );
}else if( c<(1<<22) ){
}else if( (unsigned int)c<(1<<22) ){
unsigned int key = (((unsigned int)c)<<10) | 0x000003FF;
int iRes = 0;
int iHi = sizeof(aEntry)/sizeof(aEntry[0]) - 1;