diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh b/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh index 65c2772201..eb907c6b2a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh @@ -198,10 +198,11 @@ struct hb_sanitize_context_t : void start_processing () { reset_object (); - if (unlikely (hb_unsigned_mul_overflows (this->end - this->start, HB_SANITIZE_MAX_OPS_FACTOR))) + unsigned m; + if (unlikely (hb_unsigned_mul_overflows (this->end - this->start, HB_SANITIZE_MAX_OPS_FACTOR, &m))) this->max_ops = HB_SANITIZE_MAX_OPS_MAX; else - this->max_ops = hb_clamp ((unsigned) (this->end - this->start) * HB_SANITIZE_MAX_OPS_FACTOR, + this->max_ops = hb_clamp (m, (unsigned) HB_SANITIZE_MAX_OPS_MIN, (unsigned) HB_SANITIZE_MAX_OPS_MAX); this->edit_count = 0; @@ -239,7 +240,7 @@ struct hb_sanitize_context_t : DEBUG_MSG_LEVEL (SANITIZE, p, this->debug_depth+1, 0, "check_range [%p..%p]" - " (%d bytes) in [%p..%p] -> %s", + " (%u bytes) in [%p..%p] -> %s", p, p + len, len, this->start, this->end, ok ? "OK" : "OUT-OF-RANGE"); @@ -252,8 +253,9 @@ struct hb_sanitize_context_t : unsigned int a, unsigned int b) const { - return !hb_unsigned_mul_overflows (a, b) && - this->check_range (base, a * b); + unsigned m; + return !hb_unsigned_mul_overflows (a, b, &m) && + this->check_range (base, m); } template <typename T> @@ -262,8 +264,9 @@ struct hb_sanitize_context_t : unsigned int b, unsigned int c) const { - return !hb_unsigned_mul_overflows (a, b) && - this->check_range (base, a * b, c); + unsigned m; + return !hb_unsigned_mul_overflows (a, b, &m) && + this->check_range (base, m, c); } template <typename T> @@ -305,7 +308,7 @@ struct hb_sanitize_context_t : this->edit_count++; DEBUG_MSG_LEVEL (SANITIZE, p, this->debug_depth+1, 0, - "may_edit(%u) [%p..%p] (%d bytes) in [%p..%p] -> %s", + "may_edit(%u) [%p..%p] (%u bytes) in [%p..%p] -> %s", this->edit_count, p, p + len, len, this->start, this->end, @@ -350,13 +353,13 @@ struct hb_sanitize_context_t : { if (edit_count) { - DEBUG_MSG_FUNC (SANITIZE, start, "passed first round with %d edits; going for second round", edit_count); + DEBUG_MSG_FUNC (SANITIZE, start, "passed first round with %u edits; going for second round", edit_count); /* sanitize again to ensure no toe-stepping */ edit_count = 0; sane = t->sanitize (this); if (edit_count) { - DEBUG_MSG_FUNC (SANITIZE, start, "requested %d edits in second round; FAILLING", edit_count); + DEBUG_MSG_FUNC (SANITIZE, start, "requested %u edits in second round; FAILLING", edit_count); sane = false; } } |