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Code Issues 4 Releases Wiki Activity

In cid_read_subrs, decode subroutines only if lenIV >= 0.

This commit is contained in:
Tom Kacvinsky 2001-03-12 02:17:50 +00:00
parent cc3096c086
commit a2fb4779c4
1 changed files with 10 additions and 6 deletions
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16
src/cid/cidload.c
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@ -413,7 +413,8 @@
subr = face->subrs;
for ( n = 0; n < cid->num_dicts; n++, subr++ )
{
CID_FontDict* dict = cid->font_dicts + n;
CID_FontDict* dict = cid->font_dicts + n;
FT_Int lenIV = dict->private_dict.lenIV;
FT_UInt count, num_subrs = dict->num_subrs;
FT_ULong data_len;
FT_Byte* p;
@ -464,14 +465,17 @@
subr->code[count] = subr->code[count - 1] + len;
}
/* decrypt subroutines */
for ( count = 0; count < num_subrs; count++ )
/* decrypt subroutines, but only if lenIV >= 0. */
if ( lenIV >= 0 )
{
FT_UInt len;
for ( count = 0; count < num_subrs; count++ )
{
FT_UInt len;
len = offsets[count + 1] - offsets[count];
cid_decrypt( subr->code[count], len, 4330 );
len = offsets[count + 1] - offsets[count];
cid_decrypt( subr->code[count], len, 4330 );
}
}
subr->num_subrs = num_subrs;