diff options
Diffstat (limited to 'psi/zfont2.c')
| -rw-r--r-- | psi/zfont2.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/psi/zfont2.c b/psi/zfont2.c index db7b81e7..ae5d29d0 100644 --- a/psi/zfont2.c +++ b/psi/zfont2.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2020 Artifex Software, Inc. +/* Copyright (C) 2001-2021 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -1526,12 +1526,18 @@ get_float(ref *fnum, const cff_data_t *data, unsigned p, unsigned pe) int sign = 0; char *eptr, *bptr = buf; - if (buf[0] == '-'){ + if (q > buf && buf[0] == '-'){ sign = -1; bptr = &(buf[1]); } - code = scan_number ((const byte *)bptr, (const byte *)q, sign, fnum, (const byte **)&eptr, 0); + if (q > buf) { + code = scan_number ((const byte *)bptr, (const byte *)q, sign, fnum, (const byte **)&eptr, 0); + } + else { + code = 0; + make_int(fnum, 0); + } if (code < 0) { return(code); } |