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-rw-r--r--gnu/packages/patches/icecat-update-graphite2-pt2.patch861
1 files changed, 0 insertions, 861 deletions
diff --git a/gnu/packages/patches/icecat-update-graphite2-pt2.patch b/gnu/packages/patches/icecat-update-graphite2-pt2.patch
deleted file mode 100644
index 8acde75d6c..0000000000
--- a/gnu/packages/patches/icecat-update-graphite2-pt2.patch
+++ /dev/null
@@ -1,861 +0,0 @@
-Copied from upstream:
-https://hg.mozilla.org/releases/mozilla-esr38/raw-rev/ec9cff7bb543
-
-# HG changeset patch
-# User Jonathan Kew <jkew@mozilla.com>
-# Date 1456760339 0
-# Node ID ec9cff7bb5439b2b4c1249ff9376d07a80172c27
-# Parent 6f4d5130238790fa5810c76ffeb9eccc65efa8c9
-Bug 1248876 - Update graphite2 to upstream release 1.3.6. r=jrmuizel a=sledru
-
-diff --git a/gfx/graphite2/README.mozilla b/gfx/graphite2/README.mozilla
---- a/gfx/graphite2/README.mozilla
-+++ b/gfx/graphite2/README.mozilla
-@@ -1,7 +1,3 @@
--This directory contains the Graphite2 library release 1.3.5 from
--https://github.com/silnrsi/graphite/releases/download/1.3.5/graphite2-minimal-1.3.5.tgz
-+This directory contains the Graphite2 library release 1.3.6 from
-+https://github.com/silnrsi/graphite/releases/download/1.3.6/graphite-minimal-1.3.6.tgz
- See gfx/graphite2/moz-gr-update.sh for update procedure.
--
--Also includes two post-1.3.5 fixes:
--a8b3ac2aed0eb132cd80efe7de88f8153e73c829
--e569e28d83491fedb31b9220493f3c07f6ec6d80
-diff --git a/gfx/graphite2/include/graphite2/Font.h b/gfx/graphite2/include/graphite2/Font.h
---- a/gfx/graphite2/include/graphite2/Font.h
-+++ b/gfx/graphite2/include/graphite2/Font.h
-@@ -25,17 +25,17 @@
- either version 2 of the License or (at your option) any later version.
- */
- #pragma once
-
- #include "graphite2/Types.h"
-
- #define GR2_VERSION_MAJOR 1
- #define GR2_VERSION_MINOR 3
--#define GR2_VERSION_BUGFIX 5
-+#define GR2_VERSION_BUGFIX 6
-
- #ifdef __cplusplus
- extern "C"
- {
- #endif
-
- typedef struct gr_face gr_face;
- typedef struct gr_font gr_font;
-diff --git a/gfx/graphite2/moz-gr-update.sh b/gfx/graphite2/moz-gr-update.sh
---- a/gfx/graphite2/moz-gr-update.sh
-+++ b/gfx/graphite2/moz-gr-update.sh
-@@ -14,17 +14,17 @@
- RELEASE=$1
-
- if [ "x$RELEASE" == "x" ]
- then
- echo "Must provide the version number to be used."
- exit 1
- fi
-
--TARBALL="https://github.com/silnrsi/graphite/releases/download/$RELEASE/graphite2-minimal-$RELEASE.tgz"
-+TARBALL="https://github.com/silnrsi/graphite/releases/download/$RELEASE/graphite-minimal-$RELEASE.tgz"
-
- foo=`basename $0`
- TMPFILE=`mktemp -t ${foo}` || exit 1
-
- curl -L "$TARBALL" -o "$TMPFILE"
- tar -x -z -C gfx/graphite2/ --strip-components 1 -f "$TMPFILE" || exit 1
- rm "$TMPFILE"
-
-diff --git a/gfx/graphite2/src/CmapCache.cpp b/gfx/graphite2/src/CmapCache.cpp
---- a/gfx/graphite2/src/CmapCache.cpp
-+++ b/gfx/graphite2/src/CmapCache.cpp
-@@ -33,43 +33,43 @@ of the License or (at your option) any l
-
-
- using namespace graphite2;
-
- const void * bmp_subtable(const Face::Table & cmap)
- {
- const void * stbl;
- if (!cmap.size()) return 0;
-- if (TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 3, 1, cmap.size()), cmap.size())
-- || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 3, cmap.size()), cmap.size())
-- || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 2, cmap.size()), cmap.size())
-- || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 1, cmap.size()), cmap.size())
-- || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 0, cmap.size()), cmap.size()))
-+ if (TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 3, 1, cmap.size()), cmap + cmap.size())
-+ || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 3, cmap.size()), cmap + cmap.size())
-+ || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 2, cmap.size()), cmap + cmap.size())
-+ || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 1, cmap.size()), cmap + cmap.size())
-+ || TtfUtil::CheckCmapSubtable4(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 0, cmap.size()), cmap + cmap.size()))
- return stbl;
- return 0;
- }
-
- const void * smp_subtable(const Face::Table & cmap)
- {
- const void * stbl;
- if (!cmap.size()) return 0;
-- if (TtfUtil::CheckCmapSubtable12(stbl = TtfUtil::FindCmapSubtable(cmap, 3, 10, cmap.size()), cmap.size())
-- || TtfUtil::CheckCmapSubtable12(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 4, cmap.size()), cmap.size()))
-+ if (TtfUtil::CheckCmapSubtable12(stbl = TtfUtil::FindCmapSubtable(cmap, 3, 10, cmap.size()), cmap + cmap.size())
-+ || TtfUtil::CheckCmapSubtable12(stbl = TtfUtil::FindCmapSubtable(cmap, 0, 4, cmap.size()), cmap + cmap.size()))
- return stbl;
- return 0;
- }
-
- template <unsigned int (*NextCodePoint)(const void *, unsigned int, int *),
- uint16 (*LookupCodePoint)(const void *, unsigned int, int)>
- bool cache_subtable(uint16 * blocks[], const void * cst, const unsigned int limit)
- {
- int rangeKey = 0;
- uint32 codePoint = NextCodePoint(cst, 0, &rangeKey),
- prevCodePoint = 0;
-- while (codePoint != limit)
-+ while (codePoint < limit)
- {
- unsigned int block = codePoint >> 8;
- if (!blocks[block])
- {
- blocks[block] = grzeroalloc<uint16>(0x100);
- if (!blocks[block])
- return false;
- }
-diff --git a/gfx/graphite2/src/Code.cpp b/gfx/graphite2/src/Code.cpp
---- a/gfx/graphite2/src/Code.cpp
-+++ b/gfx/graphite2/src/Code.cpp
-@@ -79,18 +79,19 @@ struct context
-
-
- class Machine::Code::decoder
- {
- public:
- struct limits;
- struct analysis
- {
-+ static const int NUMCONTEXTS = 256;
- uint8 slotref;
-- context contexts[256];
-+ context contexts[NUMCONTEXTS];
- byte max_ref;
-
- analysis() : slotref(0), max_ref(0) {};
- void set_ref(int index, bool incinsert=false) throw();
- void set_noref(int index) throw();
- void set_changed(int index) throw();
-
- };
-@@ -363,29 +364,33 @@ opcode Machine::Code::decoder::fetch_opc
- break;
- case ATTR_SET :
- case ATTR_ADD :
- case ATTR_SUB :
- case ATTR_SET_SLOT :
- if (--_stack_depth < 0)
- failure(underfull_stack);
- valid_upto(gr_slatMax, bc[0]);
-+ if (attrCode(bc[0]) == gr_slatUserDefn) // use IATTR for user attributes
-+ failure(out_of_range_data);
- test_context();
- break;
- case IATTR_SET_SLOT :
- if (--_stack_depth < 0)
- failure(underfull_stack);
- if (valid_upto(gr_slatMax, bc[0]))
- valid_upto(_max.attrid[bc[0]], bc[1]);
- test_context();
- break;
- case PUSH_SLOT_ATTR :
- ++_stack_depth;
- valid_upto(gr_slatMax, bc[0]);
- valid_upto(_rule_length, _pre_context + int8(bc[1]));
-+ if (attrCode(bc[0]) == gr_slatUserDefn) // use IATTR for user attributes
-+ failure(out_of_range_data);
- break;
- case PUSH_GLYPH_ATTR_OBS :
- ++_stack_depth;
- valid_upto(_max.glyf_attrs, bc[0]);
- valid_upto(_rule_length, _pre_context + int8(bc[1]));
- break;
- case PUSH_GLYPH_METRIC :
- ++_stack_depth;
-@@ -656,24 +661,24 @@ bool Machine::Code::decoder::validate_op
- return false;
- }
- return true;
- }
-
-
- bool Machine::Code::decoder::valid_upto(const uint16 limit, const uint16 x) const throw()
- {
-- const bool t = x < limit;
-+ const bool t = (limit != 0) && (x < limit);
- if (!t) failure(out_of_range_data);
- return t;
- }
-
- bool Machine::Code::decoder::test_context() const throw()
- {
-- if (_pre_context >= _rule_length)
-+ if (_pre_context >= _rule_length || _analysis.slotref >= analysis::NUMCONTEXTS - 1)
- {
- failure(out_of_range_data);
- return false;
- }
- return true;
- }
-
- inline
-@@ -681,34 +686,34 @@ void Machine::Code::failure(const status
- release_buffers();
- _status = s;
- }
-
-
- inline
- void Machine::Code::decoder::analysis::set_ref(int index, bool incinsert) throw() {
- if (incinsert && contexts[slotref].flags.inserted) --index;
-- if (index + slotref < 0) return;
-+ if (index + slotref < 0 || index + slotref >= NUMCONTEXTS) return;
- contexts[index + slotref].flags.referenced = true;
- if ((index > 0 || !contexts[index + slotref].flags.inserted) && index + slotref > max_ref) max_ref = index + slotref;
- }
-
-
- inline
- void Machine::Code::decoder::analysis::set_noref(int index) throw() {
- if (contexts[slotref].flags.inserted) --index;
-- if (index + slotref < 0) return;
-+ if (index + slotref < 0 || index + slotref >= NUMCONTEXTS) return;
- if ((index > 0 || !contexts[index + slotref].flags.inserted) && index + slotref > max_ref) max_ref = index + slotref;
- }
-
-
- inline
- void Machine::Code::decoder::analysis::set_changed(int index) throw() {
- if (contexts[slotref].flags.inserted) --index;
-- if (index + slotref < 0) return;
-+ if (index + slotref < 0 || index + slotref >= NUMCONTEXTS) return;
- contexts[index + slotref].flags.changed = true;
- if ((index > 0 || !contexts[index + slotref].flags.inserted) && index + slotref > max_ref) max_ref = index + slotref;
- }
-
-
- void Machine::Code::release_buffers() throw()
- {
- if (_own)
-diff --git a/gfx/graphite2/src/GlyphCache.cpp b/gfx/graphite2/src/GlyphCache.cpp
---- a/gfx/graphite2/src/GlyphCache.cpp
-+++ b/gfx/graphite2/src/GlyphCache.cpp
-@@ -260,17 +260,17 @@ GlyphCache::Loader::Loader(const Face &
- _head = Face::Table();
- return;
- }
-
- if (!dumb_font)
- {
- if ((m_pGlat = Face::Table(face, Tag::Glat, 0x00030000)) == NULL
- || (m_pGloc = Face::Table(face, Tag::Gloc)) == NULL
-- || m_pGloc.size() < 6)
-+ || m_pGloc.size() < 8)
- {
- _head = Face::Table();
- return;
- }
- const byte * p = m_pGloc;
- int version = be::read<uint32>(p);
- const uint16 flags = be::read<uint16>(p);
- _num_attrs = be::read<uint16>(p);
-diff --git a/gfx/graphite2/src/Pass.cpp b/gfx/graphite2/src/Pass.cpp
---- a/gfx/graphite2/src/Pass.cpp
-+++ b/gfx/graphite2/src/Pass.cpp
-@@ -233,17 +233,17 @@ bool Pass::readRules(const byte * rule_m
- m_codes = new Code [m_numRules*2];
- const size_t prog_pool_sz = vm::Machine::Code::estimateCodeDataOut(ac_end - ac_data + rc_end - rc_data);
- m_progs = gralloc<byte>(prog_pool_sz);
- byte * prog_pool_free = m_progs,
- * prog_pool_end = m_progs + prog_pool_sz;
- if (e.test(!(m_rules && m_codes && m_progs), E_OUTOFMEM)) return face.error(e);
-
- Rule * r = m_rules + m_numRules - 1;
-- for (size_t n = m_numRules; n; --n, --r, ac_end = ac_begin, rc_end = rc_begin)
-+ for (size_t n = m_numRules; r >= m_rules; --n, --r, ac_end = ac_begin, rc_end = rc_begin)
- {
- face.error_context((face.error_context() & 0xFFFF00) + EC_ARULE + ((n - 1) << 24));
- r->preContext = *--precontext;
- r->sort = be::peek<uint16>(--sort_key);
- #ifndef NDEBUG
- r->rule_idx = n - 1;
- #endif
- if (r->sort > 63 || r->preContext >= r->sort || r->preContext > m_maxPreCtxt || r->preContext < m_minPreCtxt)
-@@ -405,16 +405,17 @@ bool Pass::runGraphite(vm::Machine & m,
- json::closer rules_array_closer(fsm.dbgout);
- #endif
-
- m.slotMap().highwater(currHigh);
- int lc = m_iMaxLoop;
- do
- {
- findNDoRule(s, m, fsm);
-+ if (m.status() != Machine::finished) return false;
- if (s && (s == m.slotMap().highwater() || m.slotMap().highpassed() || --lc == 0)) {
- if (!lc)
- s = m.slotMap().highwater();
- lc = m_iMaxLoop;
- if (s)
- m.slotMap().highwater(s->next());
- }
- } while (s);
-@@ -495,17 +496,22 @@ void Pass::findNDoRule(Slot * & slot, Ma
- {
- assert(slot);
-
- if (runFSM(fsm, slot))
- {
- // Search for the first rule which passes the constraint
- const RuleEntry * r = fsm.rules.begin(),
- * const re = fsm.rules.end();
-- while (r != re && !testConstraint(*r->rule, m)) ++r;
-+ while (r != re && !testConstraint(*r->rule, m))
-+ {
-+ ++r;
-+ if (m.status() != Machine::finished)
-+ return;
-+ }
-
- #if !defined GRAPHITE2_NTRACING
- if (fsm.dbgout)
- {
- if (fsm.rules.size() != 0)
- {
- *fsm.dbgout << json::item << json::object;
- dumpRuleEventConsidered(fsm, *r);
-@@ -530,16 +536,17 @@ void Pass::findNDoRule(Slot * & slot, Ma
- }
- }
- else
- #endif
- {
- if (r != re)
- {
- const int adv = doAction(r->rule->action, slot, m);
-+ if (m.status() != Machine::finished) return;
- if (r->rule->action->deletes()) fsm.slots.collectGarbage(slot);
- adjustSlot(adv, slot, fsm.slots);
- return;
- }
- }
- }
-
- slot = slot->next();
-diff --git a/gfx/graphite2/src/Segment.cpp b/gfx/graphite2/src/Segment.cpp
---- a/gfx/graphite2/src/Segment.cpp
-+++ b/gfx/graphite2/src/Segment.cpp
-@@ -205,18 +205,23 @@ Slot *Segment::newSlot()
- void Segment::freeSlot(Slot *aSlot)
- {
- if (m_last == aSlot) m_last = aSlot->prev();
- if (m_first == aSlot) m_first = aSlot->next();
- if (aSlot->attachedTo())
- aSlot->attachedTo()->removeChild(aSlot);
- while (aSlot->firstChild())
- {
-- aSlot->firstChild()->attachTo(NULL);
-- aSlot->removeChild(aSlot->firstChild());
-+ if (aSlot->firstChild()->attachedTo() == aSlot)
-+ {
-+ aSlot->firstChild()->attachTo(NULL);
-+ aSlot->removeChild(aSlot->firstChild());
-+ }
-+ else
-+ aSlot->firstChild(NULL);
- }
- // reset the slot incase it is reused
- ::new (aSlot) Slot(aSlot->userAttrs());
- memset(aSlot->userAttrs(), 0, m_silf->numUser() * sizeof(int16));
- // Update generation counter for debug
- #if !defined GRAPHITE2_NTRACING
- if (m_face->logger())
- ++aSlot->userAttrs()[m_silf->numUser()];
-diff --git a/gfx/graphite2/src/Slot.cpp b/gfx/graphite2/src/Slot.cpp
---- a/gfx/graphite2/src/Slot.cpp
-+++ b/gfx/graphite2/src/Slot.cpp
-@@ -192,16 +192,18 @@ int32 Slot::clusterMetric(const Segment
- #define SLOTGETCOLATTR(x) { SlotCollision *c = seg->collisionInfo(this); return c ? int(c-> x) : 0; }
-
- int Slot::getAttr(const Segment *seg, attrCode ind, uint8 subindex) const
- {
- if (ind == gr_slatUserDefnV1)
- {
- ind = gr_slatUserDefn;
- subindex = 0;
-+ if (seg->numAttrs() == 0)
-+ return 0;
- }
- else if (ind >= gr_slatJStretch && ind < gr_slatJStretch + 20 && ind != gr_slatJWidth)
- {
- int indx = ind - gr_slatJStretch;
- return getJustify(seg, indx / 5, indx % 5);
- }
-
- switch (ind)
-@@ -269,16 +271,18 @@ int Slot::getAttr(const Segment *seg, at
- break; }
-
- void Slot::setAttr(Segment *seg, attrCode ind, uint8 subindex, int16 value, const SlotMap & map)
- {
- if (ind == gr_slatUserDefnV1)
- {
- ind = gr_slatUserDefn;
- subindex = 0;
-+ if (seg->numAttrs() == 0)
-+ return;
- }
- else if (ind >= gr_slatJStretch && ind < gr_slatJStretch + 20 && ind != gr_slatJWidth)
- {
- int indx = ind - gr_slatJStretch;
- return setJustify(seg, indx / 5, indx % 5, value);
- }
-
- switch (ind)
-@@ -416,32 +420,32 @@ bool Slot::sibling(Slot *ap)
- }
-
- bool Slot::removeChild(Slot *ap)
- {
- if (this == ap || !m_child) return false;
- else if (ap == m_child)
- {
- Slot *nSibling = m_child->nextSibling();
-- m_child->sibling(NULL);
-+ m_child->removeSibling(nSibling);
- m_child = nSibling;
- return true;
- }
- else
- return m_child->removeSibling(ap);
- return true;
- }
-
- bool Slot::removeSibling(Slot *ap)
- {
- if (this == ap || !m_sibling) return false;
- else if (ap == m_sibling)
- {
- m_sibling = m_sibling->nextSibling();
-- ap->sibling(NULL);
-+ if (m_sibling) ap->removeSibling(m_sibling);
- return true;
- }
- else
- return m_sibling->removeSibling(ap);
- return true;
- }
-
- void Slot::setGlyph(Segment *seg, uint16 glyphid, const GlyphFace * theGlyph)
-diff --git a/gfx/graphite2/src/TtfUtil.cpp b/gfx/graphite2/src/TtfUtil.cpp
---- a/gfx/graphite2/src/TtfUtil.cpp
-+++ b/gfx/graphite2/src/TtfUtil.cpp
-@@ -884,18 +884,19 @@ const void * FindCmapSubtable(const void
- }
-
- return 0;
- }
-
- /*----------------------------------------------------------------------------------------------
- Check the Microsoft Unicode subtable for expected values
- ----------------------------------------------------------------------------------------------*/
--bool CheckCmapSubtable4(const void * pCmapSubtable4, size_t table_len /*, unsigned int maxgid*/)
-+bool CheckCmapSubtable4(const void * pCmapSubtable4, const void * pCmapEnd /*, unsigned int maxgid*/)
- {
-+ size_t table_len = (const byte *)pCmapEnd - (const byte *)pCmapSubtable4;
- if (!pCmapSubtable4) return false;
- const Sfnt::CmapSubTable * pTable = reinterpret_cast<const Sfnt::CmapSubTable *>(pCmapSubtable4);
- // Bob H say some freeware TT fonts have version 1 (eg, CALIGULA.TTF)
- // so don't check subtable version. 21 Mar 2002 spec changes version to language.
- if (be::swap(pTable->format) != 4) return false;
- const Sfnt::CmapSubTableFormat4 * pTable4 = reinterpret_cast<const Sfnt::CmapSubTableFormat4 *>(pCmapSubtable4);
- uint16 length = be::swap(pTable4->length);
- if (length > table_len)
-@@ -1044,17 +1045,17 @@ unsigned int CmapSubtable4NextCodepoint(
- *pRangeKey = nRange - 1;
- return 0xFFFF;
- }
-
- int iRange = (pRangeKey) ? *pRangeKey : 0;
- // Just in case we have a bad key:
- while (iRange > 0 && be::peek<uint16>(pStartCode + iRange) > nUnicodePrev)
- iRange--;
-- while (be::peek<uint16>(pTable->end_code + iRange) < nUnicodePrev)
-+ while (iRange < nRange - 1 && be::peek<uint16>(pTable->end_code + iRange) < nUnicodePrev)
- iRange++;
-
- // Now iRange is the range containing nUnicodePrev.
- unsigned int nStartCode = be::peek<uint16>(pStartCode + iRange);
- unsigned int nEndCode = be::peek<uint16>(pTable->end_code + iRange);
-
- if (nStartCode > nUnicodePrev)
- // Oops, nUnicodePrev is not in the cmap! Adjust so we get a reasonable
-@@ -1069,36 +1070,37 @@ unsigned int CmapSubtable4NextCodepoint(
- return nUnicodePrev + 1;
- }
-
- // Otherwise the next codepoint is the first one in the next range.
- // There is guaranteed to be a next range because there must be one that
- // ends with 0xFFFF.
- if (pRangeKey)
- *pRangeKey = iRange + 1;
-- return be::peek<uint16>(pStartCode + iRange + 1);
-+ return (iRange + 1 >= nRange) ? 0xFFFF : be::peek<uint16>(pStartCode + iRange + 1);
- }
-
- /*----------------------------------------------------------------------------------------------
- Check the Microsoft UCS-4 subtable for expected values.
- ----------------------------------------------------------------------------------------------*/
--bool CheckCmapSubtable12(const void *pCmapSubtable12, size_t table_len /*, unsigned int maxgid*/)
-+bool CheckCmapSubtable12(const void *pCmapSubtable12, const void *pCmapEnd /*, unsigned int maxgid*/)
- {
-+ size_t table_len = (const byte *)pCmapEnd - (const byte *)pCmapSubtable12;
- if (!pCmapSubtable12) return false;
- const Sfnt::CmapSubTable * pTable = reinterpret_cast<const Sfnt::CmapSubTable *>(pCmapSubtable12);
- if (be::swap(pTable->format) != 12)
- return false;
- const Sfnt::CmapSubTableFormat12 * pTable12 = reinterpret_cast<const Sfnt::CmapSubTableFormat12 *>(pCmapSubtable12);
- uint32 length = be::swap(pTable12->length);
- if (length > table_len)
- return false;
- if (length < sizeof(Sfnt::CmapSubTableFormat12))
- return false;
- uint32 num_groups = be::swap(pTable12->num_groups);
-- if (length != (sizeof(Sfnt::CmapSubTableFormat12) + (num_groups - 1) * sizeof(uint32) * 3))
-+ if (num_groups > 0x10000000 || length != (sizeof(Sfnt::CmapSubTableFormat12) + (num_groups - 1) * sizeof(uint32) * 3))
- return false;
- #if 0
- for (unsigned int i = 0; i < num_groups; ++i)
- {
- if (be::swap(pTable12->group[i].end_char_code) - be::swap(pTable12->group[i].start_char_code) + be::swap(pTable12->group[i].start_glyph_id) > maxgid)
- return false;
- if (i > 0 && be::swap(pTable12->group[i].start_char_code) <= be::swap(pTable12->group[i-1].end_char_code))
- return false;
-@@ -1161,17 +1163,17 @@ unsigned int CmapSubtable12NextCodepoint
- *pRangeKey = nRange;
- return 0x10FFFF;
- }
-
- int iRange = (pRangeKey) ? *pRangeKey : 0;
- // Just in case we have a bad key:
- while (iRange > 0 && be::swap(pTable->group[iRange].start_char_code) > nUnicodePrev)
- iRange--;
-- while (be::swap(pTable->group[iRange].end_char_code) < nUnicodePrev)
-+ while (iRange < nRange - 1 && be::swap(pTable->group[iRange].end_char_code) < nUnicodePrev)
- iRange++;
-
- // Now iRange is the range containing nUnicodePrev.
-
- unsigned int nStartCode = be::swap(pTable->group[iRange].start_char_code);
- unsigned int nEndCode = be::swap(pTable->group[iRange].end_char_code);
-
- if (nStartCode > nUnicodePrev)
-diff --git a/gfx/graphite2/src/call_machine.cpp b/gfx/graphite2/src/call_machine.cpp
---- a/gfx/graphite2/src/call_machine.cpp
-+++ b/gfx/graphite2/src/call_machine.cpp
-@@ -67,32 +67,34 @@ using namespace vm;
- struct regbank {
- slotref is;
- slotref * map;
- SlotMap & smap;
- slotref * const map_base;
- const instr * & ip;
- uint8 direction;
- int8 flags;
-+ Machine::status_t & status;
- };
-
- typedef bool (* ip_t)(registers);
-
- // Pull in the opcode definitions
- // We pull these into a private namespace so these otherwise common names dont
- // pollute the toplevel namespace.
- namespace {
- #define smap reg.smap
- #define seg smap.segment
- #define is reg.is
- #define ip reg.ip
- #define map reg.map
- #define mapb reg.map_base
- #define flags reg.flags
- #define dir reg.direction
-+#define status reg.status
-
- #include "inc/opcodes.h"
-
- #undef smap
- #undef seg
- #undef is
- #undef ip
- #undef map
-@@ -108,17 +110,17 @@ Machine::stack_t Machine::run(const ins
- {
- assert(program != 0);
-
- // Declare virtual machine registers
- const instr * ip = program-1;
- const byte * dp = data;
- stack_t * sp = _stack + Machine::STACK_GUARD,
- * const sb = sp;
-- regbank reg = {*map, map, _map, _map.begin()+_map.context(), ip, _map.dir(), 0};
-+ regbank reg = {*map, map, _map, _map.begin()+_map.context(), ip, _map.dir(), 0, _status};
-
- // Run the program
- while ((reinterpret_cast<ip_t>(*++ip))(dp, sp, sb, reg)) {}
- const stack_t ret = sp == _stack+STACK_GUARD+1 ? *sp-- : 0;
-
- check_final_stack(sp);
- map = reg.map;
- *map = reg.is;
-diff --git a/gfx/graphite2/src/direct_machine.cpp b/gfx/graphite2/src/direct_machine.cpp
---- a/gfx/graphite2/src/direct_machine.cpp
-+++ b/gfx/graphite2/src/direct_machine.cpp
-@@ -57,36 +57,37 @@ using namespace vm;
- namespace {
-
- const void * direct_run(const bool get_table_mode,
- const instr * program,
- const byte * data,
- Machine::stack_t * stack,
- slotref * & __map,
- uint8 _dir,
-+ Machine::status_t & status,
- SlotMap * __smap=0)
- {
- // We need to define and return to opcode table from within this function
- // other inorder to take the addresses of the instruction bodies.
- #include "inc/opcode_table.h"
- if (get_table_mode)
- return opcode_table;
-
- // Declare virtual machine registers
-- const instr * ip = program;
-- const byte * dp = data;
-- Machine::stack_t * sp = stack + Machine::STACK_GUARD,
-- * const sb = sp;
-- SlotMap & smap = *__smap;
-- Segment & seg = smap.segment;
-- slotref is = *__map,
-- * map = __map,
-- * const mapb = smap.begin()+smap.context();
-- uint8 dir = _dir;
-- int8 flags = 0;
-+ const instr * ip = program;
-+ const byte * dp = data;
-+ Machine::stack_t * sp = stack + Machine::STACK_GUARD,
-+ * const sb = sp;
-+ SlotMap & smap = *__smap;
-+ Segment & seg = smap.segment;
-+ slotref is = *__map,
-+ * map = __map,
-+ * const mapb = smap.begin()+smap.context();
-+ uint8 dir = _dir;
-+ int8 flags = 0;
-
- // start the program
- goto **ip;
-
- // Pull in the opcode definitions
- #include "inc/opcodes.h"
-
- end:
-@@ -95,25 +96,26 @@ const void * direct_run(const bool
- return sp;
- }
-
- }
-
- const opcode_t * Machine::getOpcodeTable() throw()
- {
- slotref * dummy;
-- return static_cast<const opcode_t *>(direct_run(true, 0, 0, 0, dummy, 0));
-+ Machine::status_t dumstat = Machine::finished;
-+ return static_cast<const opcode_t *>(direct_run(true, 0, 0, 0, dummy, 0, dumstat));
- }
-
-
- Machine::stack_t Machine::run(const instr * program,
- const byte * data,
- slotref * & is)
- {
- assert(program != 0);
-
- const stack_t *sp = static_cast<const stack_t *>(
-- direct_run(false, program, data, _stack, is, _map.dir(), &_map));
-+ direct_run(false, program, data, _stack, is, _map.dir(), _status, &_map));
- const stack_t ret = sp == _stack+STACK_GUARD+1 ? *sp-- : 0;
- check_final_stack(sp);
- return ret;
- }
-
-diff --git a/gfx/graphite2/src/inc/Code.h b/gfx/graphite2/src/inc/Code.h
---- a/gfx/graphite2/src/inc/Code.h
-+++ b/gfx/graphite2/src/inc/Code.h
-@@ -109,17 +109,17 @@ public:
- int32 run(Machine &m, slotref * & map) const;
-
- CLASS_NEW_DELETE;
- };
-
- inline
- size_t Machine::Code::estimateCodeDataOut(size_t n_bc)
- {
-- return n_bc * (sizeof(instr)+sizeof(byte));
-+ return (n_bc + 1) * (sizeof(instr)+sizeof(byte));
- }
-
-
- inline Machine::Code::Code() throw()
- : _code(0), _data(0), _data_size(0), _instr_count(0), _max_ref(0),
- _status(loaded), _constraint(false), _modify(false), _delete(false),
- _own(false)
- {
-diff --git a/gfx/graphite2/src/inc/Machine.h b/gfx/graphite2/src/inc/Machine.h
---- a/gfx/graphite2/src/inc/Machine.h
-+++ b/gfx/graphite2/src/inc/Machine.h
-@@ -135,17 +135,18 @@ public:
-
- class Code;
-
- enum status_t {
- finished = 0,
- stack_underflow,
- stack_not_empty,
- stack_overflow,
-- slot_offset_out_bounds
-+ slot_offset_out_bounds,
-+ died_early
- };
-
- Machine(SlotMap &) throw();
- static const opcode_t * getOpcodeTable() throw();
-
- CLASS_NEW_DELETE;
-
- SlotMap & slotMap() const throw();
-diff --git a/gfx/graphite2/src/inc/TtfUtil.h b/gfx/graphite2/src/inc/TtfUtil.h
---- a/gfx/graphite2/src/inc/TtfUtil.h
-+++ b/gfx/graphite2/src/inc/TtfUtil.h
-@@ -132,21 +132,21 @@ public:
- int GetLangsForNames(const void * pName, int nPlatformId, int nEncodingId,
- int *nameIdList, int cNameIds, short *langIdList);
- void SwapWString(void * pWStr, size_t nSize = 0); // throw (std::invalid_argument);
- #endif
-
- ////////////////////////////////// cmap lookup tools
- const void * FindCmapSubtable(const void * pCmap, int nPlatformId = 3,
- int nEncodingId = 1, size_t length = 0);
-- bool CheckCmapSubtable4(const void * pCmap31, size_t table_len /*, unsigned int maxgid*/);
-+ bool CheckCmapSubtable4(const void * pCmap31, const void * pCmapEnd /*, unsigned int maxgid*/);
- gid16 CmapSubtable4Lookup(const void * pCmapSubtabel4, unsigned int nUnicodeId, int rangeKey = 0);
- unsigned int CmapSubtable4NextCodepoint(const void *pCmap31, unsigned int nUnicodeId,
- int * pRangeKey = 0);
-- bool CheckCmapSubtable12(const void *pCmap310, size_t table_len /*, unsigned int maxgid*/);
-+ bool CheckCmapSubtable12(const void *pCmap310, const void * pCmapEnd /*, unsigned int maxgid*/);
- gid16 CmapSubtable12Lookup(const void * pCmap310, unsigned int uUnicodeId, int rangeKey = 0);
- unsigned int CmapSubtable12NextCodepoint(const void *pCmap310, unsigned int nUnicodeId,
- int * pRangeKey = 0);
-
- ///////////////////////////////// horizontal metric data for a glyph
- bool HorMetrics(gid16 nGlyphId, const void * pHmtx, size_t lHmtxSize,
- const void * pHhea, int & nLsb, unsigned int & nAdvWid);
-
-diff --git a/gfx/graphite2/src/inc/opcodes.h b/gfx/graphite2/src/inc/opcodes.h
---- a/gfx/graphite2/src/inc/opcodes.h
-+++ b/gfx/graphite2/src/inc/opcodes.h
-@@ -71,17 +71,17 @@ of the License or (at your option) any l
- #define use_params(n) dp += n
-
- #define declare_params(n) const byte * param = dp; \
- use_params(n);
-
- #define push(n) { *++sp = n; }
- #define pop() (*sp--)
- #define slotat(x) (map[(x)])
--#define DIE { is=seg.last(); EXIT(1); }
-+#define DIE { is=seg.last(); status = Machine::died_early; EXIT(1); }
- #define POSITIONED 1
-
- STARTOP(nop)
- do {} while (0);
- ENDOP
-
- STARTOP(push_byte)
- declare_params(1);
-@@ -387,30 +387,30 @@ STARTOP(attr_set)
- ENDOP
-
- STARTOP(attr_add)
- declare_params(1);
- const attrCode slat = attrCode(uint8(*param));
- const int val = int(pop());
- if ((slat == gr_slatPosX || slat == gr_slatPosY) && (flags & POSITIONED) == 0)
- {
-- seg.positionSlots(0, *smap.begin(), *(smap.end()-1), dir);
-+ seg.positionSlots(0, *smap.begin(), *(smap.end()-1), seg.currdir());
- flags |= POSITIONED;
- }
- int res = is->getAttr(&seg, slat, 0);
- is->setAttr(&seg, slat, 0, val + res, smap);
- ENDOP
-
- STARTOP(attr_sub)
- declare_params(1);
- const attrCode slat = attrCode(uint8(*param));
- const int val = int(pop());
- if ((slat == gr_slatPosX || slat == gr_slatPosY) && (flags & POSITIONED) == 0)
- {
-- seg.positionSlots(0, *smap.begin(), *(smap.end()-1), dir);
-+ seg.positionSlots(0, *smap.begin(), *(smap.end()-1), seg.currdir());
- flags |= POSITIONED;
- }
- int res = is->getAttr(&seg, slat, 0);
- is->setAttr(&seg, slat, 0, res - val, smap);
- ENDOP
-
- STARTOP(attr_set_slot)
- declare_params(1);
-@@ -429,17 +429,17 @@ STARTOP(iattr_set_slot)
- ENDOP
-
- STARTOP(push_slot_attr)
- declare_params(2);
- const attrCode slat = attrCode(uint8(param[0]));
- const int slot_ref = int8(param[1]);
- if ((slat == gr_slatPosX || slat == gr_slatPosY) && (flags & POSITIONED) == 0)
- {
-- seg.positionSlots(0, *smap.begin(), *(smap.end()-1), dir);
-+ seg.positionSlots(0, *smap.begin(), *(smap.end()-1), seg.currdir());
- flags |= POSITIONED;
- }
- slotref slot = slotat(slot_ref);
- if (slot)
- {
- int res = slot->getAttr(&seg, slat, 0);
- push(res);
- }
-@@ -505,17 +505,17 @@ ENDOP
-
- STARTOP(push_islot_attr)
- declare_params(3);
- const attrCode slat = attrCode(uint8(param[0]));
- const int slot_ref = int8(param[1]),
- idx = uint8(param[2]);
- if ((slat == gr_slatPosX || slat == gr_slatPosY) && (flags & POSITIONED) == 0)
- {
-- seg.positionSlots(0, *smap.begin(), *(smap.end()-1), dir);
-+ seg.positionSlots(0, *smap.begin(), *(smap.end()-1), seg.currdir());
- flags |= POSITIONED;
- }
- slotref slot = slotat(slot_ref);
- if (slot)
- {
- int res = slot->getAttr(&seg, slat, idx);
- push(res);
- }
-