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[pfr] Fix binary search (#47514). 

* src/pfr/pfrsbit.c (pfr_lookup_bitmap_data): Handle border
conditions correctly.
This commit is contained in:
Werner Lemberg 2016-03-29 09:13:13 +02:00
parent 2a03e5d9fb
commit 351fc4b4a4
3 changed files with 13 additions and 7 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
2016-03-29 Werner Lemberg <wl@gnu.org>
[pfr] Fix binary search (#47514).
* src/pfr/pfrsbit.c (pfr_lookup_bitmap_data): Handle border
conditions correctly.
2016-03-29 Werner Lemberg <wl@gnu.org>
[pfr] Minor.

11
src/pfr/pfrsbit.c
View File

@ -364,13 +364,12 @@
else
code = PFR_NEXT_BYTE( buff );
if ( code == char_code )
goto Found_It;
if ( code < char_code )
min = mid;
else
if ( char_code < code )
max = mid;
else if ( char_code > code )
min = mid + 1;
else
goto Found_It;
}
Fail:

2
src/sfnt/ttcmap.c
View File

@ -3104,7 +3104,7 @@
if ( char_code < start )
max = mid;
else if ( char_code > start+cnt )
else if ( char_code > start + cnt )
min = mid + 1;
else
return TRUE;