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* src/winfnt/winfnt.c (FNT_Face_Init): Check `family_size'.

This commit is contained in:
Werner Lemberg 2007-06-05 07:32:15 +00:00
parent 6e2f9d5db7
commit f4bc3f40b3
2 changed files with 10 additions and 1 deletions
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3
ChangeLog
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@ -9,6 +9,9 @@
* src/pfr/pfrtypes.h (PFR_GlyphRec): Comment out unused code.
* src/winfnt/winfnt.c (FNT_Face_Init): Check `family_size'.
2007-06-04 Werner Lemberg <wl@gnu.org>
* src/cid/cidgload.c (cid_load_glyph): Check `fd_select'.

8
src/winfonts/winfnt.c
View File

@ -536,11 +536,17 @@
root->num_glyphs = font->header.last_char -
font->header.first_char + 1 + 1;
if ( font->header.face_name_offset >= font->header.file_size )
{
FT_TRACE2(( "invalid family name offset!\n" ));
error = FNT_Err_Invalid_File_Format;
goto Fail;
}
family_size = font->header.file_size - font->header.face_name_offset;
/* Some broken fonts don't delimit the face name with a final */
/* NULL byte -- the frame is erroneously one byte too small. */
/* We thus allocate one more byte, setting it explicitly to */
/* zero. */
family_size = font->header.file_size - font->header.face_name_offset;
if ( FT_ALLOC( font->family_name, family_size + 1 ) )
goto Fail;