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-rw-r--r--src/base/ftbbox.c42
-rw-r--r--src/base/ftcalc.c86
-rw-r--r--src/base/ftdbgmem.c2
-rw-r--r--src/base/ftmac.c2
-rw-r--r--src/base/ftmm.c146
-rw-r--r--src/base/ftobjs.c26
-rw-r--r--src/base/ftoutln.c52
-rw-r--r--src/base/ftstream.c8
-rw-r--r--src/base/ftstroke.c21
-rw-r--r--src/base/ftsynth.c20
-rw-r--r--src/base/ftsystem.c9
-rw-r--r--src/base/ftver.rc4
12 files changed, 277 insertions, 141 deletions
diff --git a/src/base/ftbbox.c b/src/base/ftbbox.c
index 7dd71882e..385fea404 100644
--- a/src/base/ftbbox.c
+++ b/src/base/ftbbox.c
@@ -82,10 +82,13 @@
* @Return:
* Always 0. Needed for the interface only.
*/
- static int
- BBox_Move_To( FT_Vector* to,
- TBBox_Rec* user )
+ FT_CALLBACK_DEF( int )
+ BBox_Move_To( const FT_Vector* to,
+ void* user_ )
{
+ TBBox_Rec* user = (TBBox_Rec*)user_;
+
+
FT_UPDATE_BBOX( to, user->bbox );
user->last = *to;
@@ -116,10 +119,13 @@
* @Return:
* Always 0. Needed for the interface only.
*/
- static int
- BBox_Line_To( FT_Vector* to,
- TBBox_Rec* user )
+ FT_CALLBACK_DEF( int )
+ BBox_Line_To( const FT_Vector* to,
+ void* user_ )
{
+ TBBox_Rec* user = (TBBox_Rec*)user_;
+
+
user->last = *to;
return 0;
@@ -205,11 +211,14 @@
* In the case of a non-monotonous arc, we compute directly the
* extremum coordinates, as it is sufficiently fast.
*/
- static int
- BBox_Conic_To( FT_Vector* control,
- FT_Vector* to,
- TBBox_Rec* user )
+ FT_CALLBACK_DEF( int )
+ BBox_Conic_To( const FT_Vector* control,
+ const FT_Vector* to,
+ void* user_ )
{
+ TBBox_Rec* user = (TBBox_Rec*)user_;
+
+
/* in case `to' is implicit and not included in bbox yet */
FT_UPDATE_BBOX( to, user->bbox );
@@ -410,12 +419,15 @@
* In the case of a non-monotonous arc, we don't compute directly
* extremum coordinates, we subdivide instead.
*/
- static int
- BBox_Cubic_To( FT_Vector* control1,
- FT_Vector* control2,
- FT_Vector* to,
- TBBox_Rec* user )
+ FT_CALLBACK_DEF( int )
+ BBox_Cubic_To( const FT_Vector* control1,
+ const FT_Vector* control2,
+ const FT_Vector* to,
+ void* user_ )
{
+ TBBox_Rec* user = (TBBox_Rec*)user_;
+
+
/* We don't need to check `to' since it is always an on-point, */
/* thus within the bbox. Only segments with an off-point outside */
/* the bbox can possibly reach new extreme values. */
diff --git a/src/base/ftcalc.c b/src/base/ftcalc.c
index 13e74f335..c5bc7e3b1 100644
--- a/src/base/ftcalc.c
+++ b/src/base/ftcalc.c
@@ -749,65 +749,43 @@
FT_BASE_DEF( FT_Bool )
FT_Matrix_Check( const FT_Matrix* matrix )
{
- FT_Matrix m;
- FT_Fixed val[4];
- FT_Fixed nonzero_minval, maxval;
- FT_Fixed temp1, temp2;
- FT_UInt i;
+ FT_Fixed xx, xy, yx, yy;
+ FT_Fixed val;
+ FT_Int shift;
+ FT_ULong temp1, temp2;
if ( !matrix )
return 0;
- val[0] = FT_ABS( matrix->xx );
- val[1] = FT_ABS( matrix->xy );
- val[2] = FT_ABS( matrix->yx );
- val[3] = FT_ABS( matrix->yy );
+ xx = matrix->xx;
+ xy = matrix->xy;
+ yx = matrix->yx;
+ yy = matrix->yy;
+ val = FT_ABS( xx ) | FT_ABS( xy ) | FT_ABS( yx ) | FT_ABS( yy );
- /*
- * To avoid overflow, we ensure that each value is not larger than
- *
- * int(sqrt(2^31 / 4)) = 23170 ;
- *
- * we also check that no value becomes zero if we have to scale.
- */
-
- maxval = 0;
- nonzero_minval = FT_LONG_MAX;
-
- for ( i = 0; i < 4; i++ )
- {
- if ( val[i] > maxval )
- maxval = val[i];
- if ( val[i] && val[i] < nonzero_minval )
- nonzero_minval = val[i];
- }
-
- /* we only handle 32bit values */
- if ( maxval > 0x7FFFFFFFL )
+ /* we only handle non-zero 32-bit values */
+ if ( !val || val > 0x7FFFFFFFL )
return 0;
- if ( maxval > 23170 )
- {
- FT_Fixed scale = FT_DivFix( maxval, 23170 );
-
+ /* Scale matrix to avoid the temp1 overflow, which is */
+ /* more stringent than avoiding the temp2 overflow. */
- if ( !FT_DivFix( nonzero_minval, scale ) )
- return 0; /* value range too large */
+ shift = FT_MSB( val ) - 12;
- m.xx = FT_DivFix( matrix->xx, scale );
- m.xy = FT_DivFix( matrix->xy, scale );
- m.yx = FT_DivFix( matrix->yx, scale );
- m.yy = FT_DivFix( matrix->yy, scale );
+ if ( shift > 0 )
+ {
+ xx >>= shift;
+ xy >>= shift;
+ yx >>= shift;
+ yy >>= shift;
}
- else
- m = *matrix;
- temp1 = FT_ABS( m.xx * m.yy - m.xy * m.yx );
- temp2 = m.xx * m.xx + m.xy * m.xy + m.yx * m.yx + m.yy * m.yy;
+ temp1 = 32U * (FT_ULong)FT_ABS( xx * yy - xy * yx );
+ temp2 = (FT_ULong)( xx * xx ) + (FT_ULong)( xy * xy ) +
+ (FT_ULong)( yx * yx ) + (FT_ULong)( yy * yy );
- if ( temp1 == 0 ||
- temp2 / temp1 > 50 )
+ if ( temp1 <= temp2 )
return 0;
return 1;
@@ -1061,7 +1039,7 @@
/* */
/* This approach has the advantage that the angle between */
/* `in' and `out' is not checked. In case one of the two */
- /* vectors is `dominant', this is, much larger than the */
+ /* vectors is `dominant', that is, much larger than the */
/* other vector, we thus always have a flat corner. */
/* */
/* hypotenuse */
@@ -1092,9 +1070,6 @@
{
FT_UInt i;
FT_Int64 temp;
-#ifndef FT_INT64
- FT_Int64 halfUnit;
-#endif
#ifdef FT_INT64
@@ -1103,7 +1078,7 @@
for ( i = 0; i < count; ++i )
temp += (FT_Int64)s[i] * f[i];
- return ( temp + 0x8000 ) >> 16;
+ return (FT_Int32)( ( temp + 0x8000 ) >> 16 );
#else
temp.hi = 0;
temp.lo = 0;
@@ -1139,13 +1114,10 @@
FT_Add64( &temp, &multResult, &temp );
}
- /* Round value. */
- halfUnit.hi = 0;
- halfUnit.lo = 0x8000;
- FT_Add64( &temp, &halfUnit, &temp );
+ /* Shift and round value. */
+ return (FT_Int32)( ( ( temp.hi << 16 ) | ( temp.lo >> 16 ) )
+ + ( 1 & ( temp.lo >> 15 ) ) );
- return (FT_Int32)( ( (FT_Int32)( temp.hi & 0xFFFF ) << 16 ) |
- ( temp.lo >> 16 ) );
#endif /* !FT_INT64 */
diff --git a/src/base/ftdbgmem.c b/src/base/ftdbgmem.c
index 6730c4c8d..8fab50dd0 100644
--- a/src/base/ftdbgmem.c
+++ b/src/base/ftdbgmem.c
@@ -963,7 +963,7 @@
#else /* !FT_DEBUG_MEMORY */
/* ANSI C doesn't like empty source files */
- typedef int _debug_mem_dummy;
+ typedef int debug_mem_dummy_;
#endif /* !FT_DEBUG_MEMORY */
diff --git a/src/base/ftmac.c b/src/base/ftmac.c
index de34e834f..492d05538 100644
--- a/src/base/ftmac.c
+++ b/src/base/ftmac.c
@@ -1082,7 +1082,7 @@
#else /* !FT_MACINTOSH */
/* ANSI C doesn't like empty source files */
- typedef int _ft_mac_dummy;
+ typedef int ft_mac_dummy_;
#endif /* !FT_MACINTOSH */
diff --git a/src/base/ftmm.c b/src/base/ftmm.c
index a2b4bd03d..9e2dd7ee7 100644
--- a/src/base/ftmm.c
+++ b/src/base/ftmm.c
@@ -185,6 +185,14 @@
error = FT_ERR( Invalid_Argument );
if ( service->set_mm_design )
error = service->set_mm_design( face, num_coords, coords );
+
+ if ( !error )
+ {
+ if ( num_coords )
+ face->face_flags |= FT_FACE_FLAG_VARIATION;
+ else
+ face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+ }
}
/* enforce recomputation of auto-hinting data */
@@ -220,6 +228,14 @@
error = FT_ERR( Invalid_Argument );
if ( service->set_mm_weightvector )
error = service->set_mm_weightvector( face, len, weightvector );
+
+ if ( !error )
+ {
+ if ( len )
+ face->face_flags |= FT_FACE_FLAG_VARIATION;
+ else
+ face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+ }
}
/* enforce recomputation of auto-hinting data */
@@ -283,6 +299,30 @@
if ( service_mm->set_var_design )
error = service_mm->set_var_design( face, num_coords, coords );
+ if ( !error || error == -1 )
+ {
+ FT_Bool is_variation_old = FT_IS_VARIATION( face );
+
+
+ if ( num_coords )
+ face->face_flags |= FT_FACE_FLAG_VARIATION;
+ else
+ face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+
+ if ( service_mm->construct_ps_name )
+ {
+ if ( error == -1 )
+ {
+ /* The PS name of a named instance and a non-named instance */
+ /* usually differs, even if the axis values are identical. */
+ if ( is_variation_old != FT_IS_VARIATION( face ) )
+ service_mm->construct_ps_name( face );
+ }
+ else
+ service_mm->construct_ps_name( face );
+ }
+ }
+
/* internal error code -1 means `no change'; we can exit immediately */
if ( error == -1 )
return FT_Err_Ok;
@@ -359,6 +399,30 @@
if ( service_mm->set_mm_blend )
error = service_mm->set_mm_blend( face, num_coords, coords );
+ if ( !error || error == -1 )
+ {
+ FT_Bool is_variation_old = FT_IS_VARIATION( face );
+
+
+ if ( num_coords )
+ face->face_flags |= FT_FACE_FLAG_VARIATION;
+ else
+ face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+
+ if ( service_mm->construct_ps_name )
+ {
+ if ( error == -1 )
+ {
+ /* The PS name of a named instance and a non-named instance */
+ /* usually differs, even if the axis values are identical. */
+ if ( is_variation_old != FT_IS_VARIATION( face ) )
+ service_mm->construct_ps_name( face );
+ }
+ else
+ service_mm->construct_ps_name( face );
+ }
+ }
+
/* internal error code -1 means `no change'; we can exit immediately */
if ( error == -1 )
return FT_Err_Ok;
@@ -410,6 +474,30 @@
if ( service_mm->set_mm_blend )
error = service_mm->set_mm_blend( face, num_coords, coords );
+ if ( !error || error == -1 )
+ {
+ FT_Bool is_variation_old = FT_IS_VARIATION( face );
+
+
+ if ( num_coords )
+ face->face_flags |= FT_FACE_FLAG_VARIATION;
+ else
+ face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+
+ if ( service_mm->construct_ps_name )
+ {
+ if ( error == -1 )
+ {
+ /* The PS name of a named instance and a non-named instance */
+ /* usually differs, even if the axis values are identical. */
+ if ( is_variation_old != FT_IS_VARIATION( face ) )
+ service_mm->construct_ps_name( face );
+ }
+ else
+ service_mm->construct_ps_name( face );
+ }
+ }
+
/* internal error code -1 means `no change'; we can exit immediately */
if ( error == -1 )
return FT_Err_Ok;
@@ -535,8 +623,35 @@
if ( !error )
{
error = FT_ERR( Invalid_Argument );
- if ( service_mm->set_instance )
- error = service_mm->set_instance( face, instance_index );
+ if ( service_mm->set_named_instance )
+ error = service_mm->set_named_instance( face, instance_index );
+
+ if ( !error || error == -1 )
+ {
+ FT_Bool is_variation_old = FT_IS_VARIATION( face );
+
+
+ face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+ face->face_index = ( instance_index << 16 ) |
+ ( face->face_index & 0xFFFFL );
+
+ if ( service_mm->construct_ps_name )
+ {
+ if ( error == -1 )
+ {
+ /* The PS name of a named instance and a non-named instance */
+ /* usually differs, even if the axis values are identical. */
+ if ( is_variation_old != FT_IS_VARIATION( face ) )
+ service_mm->construct_ps_name( face );
+ }
+ else
+ service_mm->construct_ps_name( face );
+ }
+ }
+
+ /* internal error code -1 means `no change'; we can exit immediately */
+ if ( error == -1 )
+ return FT_Err_Ok;
}
if ( !error )
@@ -554,11 +669,32 @@
face->autohint.data = NULL;
}
+ return error;
+ }
+
+
+ /* documentation is in ftmm.h */
+
+ FT_EXPORT_DEF( FT_Error )
+ FT_Get_Default_Named_Instance( FT_Face face,
+ FT_UInt *instance_index )
+ {
+ FT_Error error;
+
+ FT_Service_MultiMasters service_mm = NULL;
+
+
+ /* check of `face' delayed to `ft_face_get_mm_service' */
+
+ error = ft_face_get_mm_service( face, &service_mm );
if ( !error )
{
- face->face_index = ( instance_index << 16 ) |
- ( face->face_index & 0xFFFFL );
- face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+ /* no error if `get_default_named_instance` is not available */
+ if ( service_mm->get_default_named_instance )
+ error = service_mm->get_default_named_instance( face,
+ instance_index );
+ else
+ error = FT_Err_Ok;
}
return error;
diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index ad6ef0ae1..89a25bc73 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -1019,7 +1019,8 @@
/* elegant. */
/* try to load SVG documents if available */
- if ( FT_HAS_SVG( face ) )
+ if ( ( load_flags & FT_LOAD_NO_SVG ) == 0 &&
+ FT_HAS_SVG( face ) )
{
error = driver->clazz->load_glyph( slot, face->size,
glyph_index,
@@ -1245,9 +1246,13 @@
/* destructor for sizes list */
static void
destroy_size( FT_Memory memory,
- FT_Size size,
- FT_Driver driver )
+ void* size_,
+ void* driver_ )
{
+ FT_Size size = (FT_Size)size_;
+ FT_Driver driver = (FT_Driver)driver_;
+
+
/* finalize client-specific data */
if ( size->generic.finalizer )
size->generic.finalizer( size );
@@ -1293,10 +1298,12 @@
/* destructor for faces list */
static void
destroy_face( FT_Memory memory,
- FT_Face face,
- FT_Driver driver )
+ void* face_,
+ void* driver_ )
{
- FT_Driver_Class clazz = driver->clazz;
+ FT_Face face = (FT_Face)face_;
+ FT_Driver driver = (FT_Driver)driver_;
+ FT_Driver_Class clazz = driver->clazz;
/* discard auto-hinting data */
@@ -1310,7 +1317,7 @@
/* discard all sizes for this face */
FT_List_Finalize( &face->sizes_list,
- (FT_List_Destructor)destroy_size,
+ destroy_size,
memory,
driver );
face->size = NULL;
@@ -1346,7 +1353,7 @@
Destroy_Driver( FT_Driver driver )
{
FT_List_Finalize( &driver->faces_list,
- (FT_List_Destructor)destroy_face,
+ destroy_face,
driver->root.memory,
driver );
}
@@ -1740,7 +1747,8 @@
FT_Memory memory = library->memory;
- args.flags = 0;
+ args.driver = NULL;
+ args.flags = 0;
if ( driver_name )
{
diff --git a/src/base/ftoutln.c b/src/base/ftoutln.c
index 30ff21ff3..134f39d2b 100644
--- a/src/base/ftoutln.c
+++ b/src/base/ftoutln.c
@@ -58,7 +58,9 @@
FT_Error error;
FT_Int n; /* index of contour in outline */
- FT_UInt first; /* index of first point in contour */
+ FT_Int first; /* index of first point in contour */
+ FT_Int last; /* index of last point in contour */
+
FT_Int tag; /* current point's state */
FT_Int shift;
@@ -73,18 +75,17 @@
shift = func_interface->shift;
delta = func_interface->delta;
- first = 0;
+ last = -1;
for ( n = 0; n < outline->n_contours; n++ )
{
- FT_Int last; /* index of last point in contour */
-
-
- FT_TRACE5(( "FT_Outline_Decompose: Outline %d\n", n ));
+ FT_TRACE5(( "FT_Outline_Decompose: Contour %d\n", n ));
- last = outline->contours[n];
- if ( last < 0 )
+ first = last + 1;
+ last = outline->contours[n];
+ if ( last < first )
goto Invalid_Outline;
+
limit = outline->points + last;
v_start = outline->points[first];
@@ -282,8 +283,6 @@
Close:
if ( error )
goto Exit;
-
- first = (FT_UInt)last + 1;
}
FT_TRACE5(( "FT_Outline_Decompose: Done\n" ));
@@ -368,7 +367,7 @@
if ( n_points <= 0 || n_contours <= 0 )
goto Bad;
- end0 = end = -1;
+ end0 = -1;
for ( n = 0; n < n_contours; n++ )
{
end = outline->contours[n];
@@ -380,7 +379,7 @@
end0 = end;
}
- if ( end != n_points - 1 )
+ if ( end0 != n_points - 1 )
goto Bad;
/* XXX: check the tags array */
@@ -388,7 +387,7 @@
}
Bad:
- return FT_THROW( Invalid_Argument );
+ return FT_THROW( Invalid_Outline );
}
@@ -550,10 +549,12 @@
if ( !outline )
return;
- first = 0;
-
+ last = -1;
for ( n = 0; n < outline->n_contours; n++ )
{
+ /* keep the first contour point as is and swap points around it */
+ /* to guarantee that the cubic arches stay valid after reverse */
+ first = last + 2;
last = outline->contours[n];
/* reverse point table */
@@ -591,8 +592,6 @@
q--;
}
}
-
- first = last + 1;
}
outline->flags ^= FT_OUTLINE_REVERSE_FILL;
@@ -941,7 +940,7 @@
points = outline->points;
- first = 0;
+ last = -1;
for ( c = 0; c < outline->n_contours; c++ )
{
FT_Vector in, out, anchor, shift;
@@ -949,8 +948,9 @@
FT_Int i, j, k;
- l_in = 0;
- last = outline->contours[c];
+ first = last + 1;
+ last = outline->contours[c];
+ l_in = 0;
/* pacify compiler */
in.x = in.y = anchor.x = anchor.y = 0;
@@ -1037,8 +1037,6 @@
in = out;
l_in = l_out;
}
-
- first = last + 1;
}
return FT_Err_Ok;
@@ -1054,7 +1052,7 @@
FT_Int xshift, yshift;
FT_Vector* points;
FT_Vector v_prev, v_cur;
- FT_Int c, n, first;
+ FT_Int c, n, first, last;
FT_Pos area = 0;
@@ -1086,11 +1084,11 @@
points = outline->points;
- first = 0;
+ last = -1;
for ( c = 0; c < outline->n_contours; c++ )
{
- FT_Int last = outline->contours[c];
-
+ first = last + 1;
+ last = outline->contours[c];
v_prev.x = points[last].x >> xshift;
v_prev.y = points[last].y >> yshift;
@@ -1106,8 +1104,6 @@
v_prev = v_cur;
}
-
- first = last + 1;
}
if ( area > 0 )
diff --git a/src/base/ftstream.c b/src/base/ftstream.c
index 05c563757..64826aceb 100644
--- a/src/base/ftstream.c
+++ b/src/base/ftstream.c
@@ -141,7 +141,9 @@
if ( read_bytes > count )
read_bytes = count;
- FT_MEM_COPY( buffer, stream->base + pos, read_bytes );
+ /* Allow "reading" zero bytes without UB even if buffer is NULL */
+ if ( count )
+ FT_MEM_COPY( buffer, stream->base + pos, read_bytes );
}
stream->pos = pos + read_bytes;
@@ -178,7 +180,9 @@
if ( read_bytes > count )
read_bytes = count;
- FT_MEM_COPY( buffer, stream->base + stream->pos, read_bytes );
+ /* Allow "reading" zero bytes without UB even if buffer is NULL */
+ if ( count )
+ FT_MEM_COPY( buffer, stream->base + stream->pos, read_bytes );
}
stream->pos += read_bytes;
diff --git a/src/base/ftstroke.c b/src/base/ftstroke.c
index db358e772..92f1e4308 100644
--- a/src/base/ftstroke.c
+++ b/src/base/ftstroke.c
@@ -2055,7 +2055,9 @@
FT_Error error;
FT_Int n; /* index of contour in outline */
- FT_UInt first; /* index of first point in contour */
+ FT_Int first; /* index of first point in contour */
+ FT_Int last; /* index of last point in contour */
+
FT_Int tag; /* current point's state */
@@ -2067,22 +2069,17 @@
FT_Stroker_Rewind( stroker );
- first = 0;
-
+ last = -1;
for ( n = 0; n < outline->n_contours; n++ )
{
- FT_UInt last; /* index of last point in contour */
-
-
- last = (FT_UInt)outline->contours[n];
- limit = outline->points + last;
+ first = last + 1;
+ last = outline->contours[n];
/* skip empty points; we don't stroke these */
if ( last <= first )
- {
- first = last + 1;
continue;
- }
+
+ limit = outline->points + last;
v_start = outline->points[first];
v_last = outline->points[last];
@@ -2231,8 +2228,6 @@
if ( error )
goto Exit;
}
-
- first = last + 1;
}
return FT_Err_Ok;
diff --git a/src/base/ftsynth.c b/src/base/ftsynth.c
index 6ec25e13e..f32edd338 100644
--- a/src/base/ftsynth.c
+++ b/src/base/ftsynth.c
@@ -98,8 +98,17 @@
FT_EXPORT_DEF( void )
FT_GlyphSlot_Embolden( FT_GlyphSlot slot )
{
+ FT_GlyphSlot_AdjustWeight( slot, 0x0AAA, 0x0AAA );
+ }
+
+
+ FT_EXPORT_DEF( void )
+ FT_GlyphSlot_AdjustWeight( FT_GlyphSlot slot,
+ FT_Fixed xdelta,
+ FT_Fixed ydelta )
+ {
FT_Library library;
- FT_Face face;
+ FT_Size size;
FT_Error error;
FT_Pos xstr, ystr;
@@ -108,16 +117,15 @@
return;
library = slot->library;
- face = slot->face;
+ size = slot->face->size;
if ( slot->format != FT_GLYPH_FORMAT_OUTLINE &&
slot->format != FT_GLYPH_FORMAT_BITMAP )
return;
- /* some reasonable strength */
- xstr = FT_MulFix( face->units_per_EM,
- face->size->metrics.y_scale ) / 24;
- ystr = xstr;
+ /* express deltas in pixels in 26.6 format */
+ xstr = (FT_Pos)size->metrics.x_ppem * xdelta / 1024;
+ ystr = (FT_Pos)size->metrics.y_ppem * ydelta / 1024;
if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
FT_Outline_EmboldenXY( &slot->outline, xstr, ystr );
diff --git a/src/base/ftsystem.c b/src/base/ftsystem.c
index fcd289d19..61c99e363 100644
--- a/src/base/ftsystem.c
+++ b/src/base/ftsystem.c
@@ -206,7 +206,7 @@
* The number of bytes to read from the stream.
*
* @Return:
- * The number of bytes actually read. If `count' is zero (this is,
+ * The number of bytes actually read. If `count' is zero (that is,
* the function is used for seeking), a non-zero return value
* indicates an error.
*/
@@ -219,7 +219,7 @@
FT_FILE* file;
- if ( !count && offset > stream->size )
+ if ( offset > stream->size && !count )
return 1;
file = STREAM_FILE( stream );
@@ -227,6 +227,11 @@
if ( stream->pos != offset )
ft_fseek( file, (long)offset, SEEK_SET );
+ /* Avoid calling `fread` with `buffer=NULL` and `count=0`, */
+ /* which is undefined behaviour. */
+ if ( !count )
+ return 0;
+
return (unsigned long)ft_fread( buffer, 1, count, file );
}
diff --git a/src/base/ftver.rc b/src/base/ftver.rc
index f113cb892..137a6334b 100644
--- a/src/base/ftver.rc
+++ b/src/base/ftver.rc
@@ -18,8 +18,8 @@
#include<windows.h>
-#define FT_VERSION 2,13,0,0
-#define FT_VERSION_STR "2.13.0"
+#define FT_VERSION 2,13,2,0
+#define FT_VERSION_STR "2.13.2"
VS_VERSION_INFO VERSIONINFO
FILEVERSION FT_VERSION