Minor cleanups to remove compiler warnings.
* include/freetype/cache/ftcmanag.h (FTC_MAX_BYTES_DEFAULT): Use
`L' for constant.
* include/freetype/config/ftoption.h (FT_RENDER_POOL_SIZE): Ditto.
* src/base/ftcalc.c (FT_MulDiv): Use `L' for constant.
* src/base/ftglyph.c (FT_Glyph_Get_CBox): Remove `error' variable.
* src/base/fttrigon.c (ft_trig_arctan_table): Use `L' for constants.
* src/base/ftobjs.c (FT_Done_Size): Fix return value.
(FT_Set_Char_Size, FT_Set_Pixel_Sizes, FT_Get_Kerning): Remove
unused `memory' variable.
* src/autohint/ahglyph.c (ah_get_orientation): Use `L' for constant.
* src/autohint/ahhint.c (ah_hint_edges_3,
ah_hinter_align_edge_points): Remove unused `before' and `after'
variables.
(ah_hinter_align_weak_points): Remove unused `edge_limit' variable.
(ah_hinter_load): Remove unused `new_advance', `start_contour',
and `metrics' variables.
* src/cff/cffload.c (CFF_Load_Encoding): Remove dead code to avoid
compiler warning.
* src/cff/cffobjs.c (CFF_Init_Face): Remove unused `base_offset'
variable.
* src/cff/cffgload.c (CFF_Parse_CharStrings): Remove unused
`outline' variable.
(cff_compute_bias): Use `U' for constant.
* src/cid/cidload.c (cid_decrypt): Ditto.
* src/psaux/psobjs.c (T1_Decrypt): Ditto.
* src/psaux/t1decode.c (T1_Decoder_Parse_CharStrings): Ditto.
* src/sfnt/ttload.c (TT_Load_Kern): Remove unused `version'
variable.
* src/sfnt/ttsbit.c (TT_Load_SBit_Image): Remove unused `top'
variable.
* src/truetype/ttgload.c (load_truetype_glyph): Remove unused
`num_contours' and `ins_offset' variables.
(compute_glyph_metrics): Remove unused `Top' and `x_scale'
variables.
(TT_Load_Glyph): Remove unused `memory' variable.
* src/smooth/ftgrays.c (grays_raster_render): Use `L' for constants.
diff --git a/ChangeLog b/ChangeLog
index 521129b..7e672d4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,46 @@
2001-06-18 Werner Lemberg <wl@gnu.org>
+ Minor cleanups to remove compiler warnings.
+
+ * include/freetype/cache/ftcmanag.h (FTC_MAX_BYTES_DEFAULT): Use
+ `L' for constant.
+ * include/freetype/config/ftoption.h (FT_RENDER_POOL_SIZE): Ditto.
+ * src/base/ftcalc.c (FT_MulDiv): Use `L' for constant.
+ * src/base/ftglyph.c (FT_Glyph_Get_CBox): Remove `error' variable.
+ * src/base/fttrigon.c (ft_trig_arctan_table): Use `L' for constants.
+ * src/base/ftobjs.c (FT_Done_Size): Fix return value.
+ (FT_Set_Char_Size, FT_Set_Pixel_Sizes, FT_Get_Kerning): Remove
+ unused `memory' variable.
+ * src/autohint/ahglyph.c (ah_get_orientation): Use `L' for constant.
+ * src/autohint/ahhint.c (ah_hint_edges_3,
+ ah_hinter_align_edge_points): Remove unused `before' and `after'
+ variables.
+ (ah_hinter_align_weak_points): Remove unused `edge_limit' variable.
+ (ah_hinter_load): Remove unused `new_advance', `start_contour',
+ and `metrics' variables.
+ * src/cff/cffload.c (CFF_Load_Encoding): Remove dead code to avoid
+ compiler warning.
+ * src/cff/cffobjs.c (CFF_Init_Face): Remove unused `base_offset'
+ variable.
+ * src/cff/cffgload.c (CFF_Parse_CharStrings): Remove unused
+ `outline' variable.
+ (cff_compute_bias): Use `U' for constant.
+ * src/cid/cidload.c (cid_decrypt): Ditto.
+ * src/psaux/psobjs.c (T1_Decrypt): Ditto.
+ * src/psaux/t1decode.c (T1_Decoder_Parse_CharStrings): Ditto.
+ * src/sfnt/ttload.c (TT_Load_Kern): Remove unused `version'
+ variable.
+ * src/sfnt/ttsbit.c (TT_Load_SBit_Image): Remove unused `top'
+ variable.
+ * src/truetype/ttgload.c (load_truetype_glyph): Remove unused
+ `num_contours' and `ins_offset' variables.
+ (compute_glyph_metrics): Remove unused `Top' and `x_scale'
+ variables.
+ (TT_Load_Glyph): Remove unused `memory' variable.
+ * src/smooth/ftgrays.c (grays_raster_render): Use `L' for constants.
+
+2001-06-18 Werner Lemberg <wl@gnu.org>
+
Make the new error scheme source compatible with older FT versions
by introducing another layer.
diff --git a/include/freetype/cache/ftcmanag.h b/include/freetype/cache/ftcmanag.h
index a8b8a86..fc6d5bc 100644
--- a/include/freetype/cache/ftcmanag.h
+++ b/include/freetype/cache/ftcmanag.h
@@ -81,7 +81,7 @@
#define FTC_MAX_FACES_DEFAULT 2
#define FTC_MAX_SIZES_DEFAULT 4
-#define FTC_MAX_BYTES_DEFAULT 200000 /* 200kByte by default! */
+#define FTC_MAX_BYTES_DEFAULT 200000L /* 200kByte by default! */
/* maximum number of caches registered in a single manager */
#define FTC_MAX_CACHES 16
diff --git a/include/freetype/config/ftoption.h b/include/freetype/config/ftoption.h
index dafcd3a..b0892bc 100644
--- a/include/freetype/config/ftoption.h
+++ b/include/freetype/config/ftoption.h
@@ -247,7 +247,7 @@
/* */
/* This must be greater than 4kByte. */
/* */
-#define FT_RENDER_POOL_SIZE 32768
+#define FT_RENDER_POOL_SIZE 32768L
/*************************************************************************/
diff --git a/src/autohint/ahglyph.c b/src/autohint/ahglyph.c
index 7df9e41..d3affc1 100644
--- a/src/autohint/ahglyph.c
+++ b/src/autohint/ahglyph.c
@@ -230,8 +230,8 @@
indices.xMax = -1;
indices.yMax = -1;
- box.xMin = box.yMin = 32767;
- box.xMax = box.yMax = -32768;
+ box.xMin = box.yMin = 32767L;
+ box.xMax = box.yMax = -32768L;
/* is it empty? */
if ( outline->n_contours < 1 )
diff --git a/src/autohint/ahhint.c b/src/autohint/ahhint.c
index 1bfcd24..2b339c5 100644
--- a/src/autohint/ahhint.c
+++ b/src/autohint/ahhint.c
@@ -205,8 +205,6 @@
for ( dimension = 1; dimension >= 0; dimension-- )
{
AH_Edge* edge;
- AH_Edge* before = 0;
- AH_Edge* after = 0;
AH_Edge* anchor = 0;
int has_serifs = 0;
@@ -264,8 +262,6 @@
/* now, we will align all stem edges, trying to maintain the */
/* relative order of stems in the glyph.. */
- before = 0;
- after = 0;
for ( edge = edges; edge < edge_limit; edge++ )
{
AH_Edge *edge2;
@@ -434,13 +430,8 @@
for ( dimension = 1; dimension >= 0; dimension-- )
{
AH_Edge* edge;
- AH_Edge* before;
- AH_Edge* after;
- before = 0;
- after = 0;
-
edge = edges;
for ( ; edge < edge_limit; edge++ )
{
@@ -706,7 +697,6 @@
AH_Outline* outline = hinter->glyph;
FT_Int dimension;
AH_Edge* edges;
- AH_Edge* edge_limit;
AH_Point* points;
AH_Point* point_limit;
AH_Point** contour_limit;
@@ -719,7 +709,6 @@
/* PASS 1: Move segment points to edge positions */
edges = outline->horz_edges;
- edge_limit = edges + outline->num_hedges;
touch_flag = ah_flah_touch_y;
contour_limit = outline->contours + outline->num_contours;
@@ -1012,7 +1001,6 @@
FT_Slot_Internal internal = slot->internal;
FT_Fixed x_scale = face->size->metrics.x_scale;
FT_Fixed y_scale = face->size->metrics.y_scale;
- FT_Glyph_Metrics metrics; /* temporary metrics */
FT_Error error;
AH_Outline* outline = hinter->glyph;
AH_Loader* gloader = hinter->loader;
@@ -1042,9 +1030,6 @@
FT_Vector_Transform( &hinter->trans_delta, &imatrix );
}
- /* save current glyph metrics */
- metrics = slot->metrics;
-
/* set linear horizontal metrics */
slot->linearHoriAdvance = slot->metrics.horiAdvance;
slot->linearVertAdvance = slot->metrics.vertAdvance;
@@ -1122,7 +1107,7 @@
/* width/positioning that occured during the hinting process */
{
FT_Pos old_width, new_width;
- FT_Pos old_advance, new_advance;
+ FT_Pos old_advance;
FT_Pos old_lsb, new_lsb;
AH_Edge* edge1 = outline->vert_edges; /* leftmost edge */
AH_Edge* edge2 = edge1 +
@@ -1136,9 +1121,6 @@
old_lsb = edge1->opos;
new_lsb = edge1->pos;
- new_advance = old_advance +
- ( new_width + new_lsb - old_width - old_lsb );
-
hinter->pp1.x = ( ( new_lsb - old_lsb ) + 32 ) & -64;
hinter->pp2.x = ( ( edge2->pos +
( old_advance - edge2->opos ) ) + 32 ) & -64;
@@ -1151,12 +1133,11 @@
case ft_glyph_format_composite:
{
FT_UInt nn, num_subglyphs = slot->num_subglyphs;
- FT_UInt num_base_subgs, start_point, start_contour;
+ FT_UInt num_base_subgs, start_point;
FT_SubGlyph* subglyph;
start_point = gloader->base.outline.n_points;
- start_contour = gloader->base.outline.n_contours;
/* first of all, copy the subglyph descriptors in the glyph loader */
error = ah_loader_check_subglyphs( gloader, num_subglyphs );
diff --git a/src/base/ftcalc.c b/src/base/ftcalc.c
index 8ced815..63c74a6 100644
--- a/src/base/ftcalc.c
+++ b/src/base/ftcalc.c
@@ -362,7 +362,7 @@
s ^= b; b = ABS( b );
s ^= c; c = ABS( c );
- if ( a <= 46340 && b <= 46340 && c <= 176095L && c > 0 )
+ if ( a <= 46340L && b <= 46340L && c <= 176095L && c > 0 )
{
a = ( a * b + ( c >> 1 ) ) / c;
}
diff --git a/src/base/ftglyph.c b/src/base/ftglyph.c
index 811820f..8df52fc 100644
--- a/src/base/ftglyph.c
+++ b/src/base/ftglyph.c
@@ -515,16 +515,20 @@
FT_BBox *acbox )
{
const FT_Glyph_Class* clazz;
- FT_Error error = FT_Err_Ok;
- if ( !acbox || !glyph || !glyph->clazz )
- error = FT_Err_Invalid_Argument;
+ if ( !acbox )
+ return;
+
+ acbox->xMin = acbox->yMin = acbox->xMax = acbox->yMax = 0;
+
+ if ( !glyph || !glyph->clazz )
+ return;
else
{
clazz = glyph->clazz;
if ( !clazz->glyph_bbox )
- error = FT_Err_Invalid_Glyph_Format;
+ return;
else
{
/* retrieve bbox in 26.6 coordinates */
diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index 11215bf..1fa50ce 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -1524,7 +1524,7 @@
else
error = FT_Err_Invalid_Size_Handle;
- return FT_Err_Ok;
+ return error;
}
@@ -1558,7 +1558,6 @@
{
FT_Error error = FT_Err_Ok;
FT_Driver driver;
- FT_Memory memory;
FT_Driver_Class* clazz;
FT_Size_Metrics* metrics;
FT_Long dim_x, dim_y;
@@ -1584,7 +1583,6 @@
driver = face->driver;
clazz = driver->clazz;
- memory = driver->root.memory;
/* default processing -- this can be overridden by the driver */
if ( char_width < 1 * 64 )
@@ -1628,7 +1626,6 @@
{
FT_Error error = FT_Err_Ok;
FT_Driver driver;
- FT_Memory memory;
FT_Driver_Class* clazz;
FT_Size_Metrics* metrics = &face->size->metrics;
@@ -1638,7 +1635,6 @@
driver = face->driver;
clazz = driver->clazz;
- memory = driver->root.memory;
/* default processing -- this can be overridden by the driver */
if ( pixel_width == 0 )
@@ -1684,7 +1680,6 @@
{
FT_Error error = FT_Err_Ok;
FT_Driver driver;
- FT_Memory memory;
if ( !face )
@@ -1694,7 +1689,6 @@
return FT_Err_Invalid_Argument;
driver = face->driver;
- memory = driver->root.memory;
akerning->x = 0;
akerning->y = 0;
diff --git a/src/base/fttrigon.c b/src/base/fttrigon.c
index 02d2f21..cca34cf 100644
--- a/src/base/fttrigon.c
+++ b/src/base/fttrigon.c
@@ -29,9 +29,9 @@
static const FT_Fixed
ft_trig_arctan_table[24] =
{
- 4157273, 2949120, 1740967, 919879, 466945, 234379, 117304, 58666,
- 29335, 14668, 7334, 3667, 1833, 917, 458, 229, 115, 57, 29, 14, 7,
- 4, 2, 1
+ 4157273L, 2949120L, 1740967L, 919879L, 466945L, 234379L, 117304L,
+ 58666L, 29335L, 14668L, 7334L, 3667L, 1833L, 917L, 458L, 229L, 115L,
+ 57L, 29L, 14L, 7L, 4L, 2L, 1L
};
/* the Cordic shrink factor, multiplied by 2^32 */
diff --git a/src/cff/cffgload.c b/src/cff/cffgload.c
index 557cd6e..8b71542 100644
--- a/src/cff/cffgload.c
+++ b/src/cff/cffgload.c
@@ -306,10 +306,10 @@
if ( num_subrs < 1240 )
result = 107;
- else if ( num_subrs < 33900 )
+ else if ( num_subrs < 33900U )
result = 1131;
else
- result = 32768;
+ result = 32768U;
return result;
}
@@ -695,7 +695,6 @@
FT_Byte* ip;
FT_Byte* limit;
CFF_Builder* builder = &decoder->builder;
- FT_Outline* outline;
FT_Pos x, y;
FT_Fixed seed;
FT_Fixed* stack;
@@ -725,8 +724,7 @@
limit = zone->limit = charstring_base + charstring_len;
ip = zone->cursor = zone->base;
- error = CFF_Err_Ok;
- outline = builder->current;
+ error = CFF_Err_Ok;
x = builder->pos_x;
y = builder->pos_y;
diff --git a/src/cff/cffload.c b/src/cff/cffload.c
index e469dc7..78a93fb 100644
--- a/src/cff/cffload.c
+++ b/src/cff/cffload.c
@@ -1919,7 +1919,6 @@
FT_ERROR(( "CFF_Load_Encoding: invalid table format!\n" ));
error = CFF_Err_Invalid_File_Format;
goto Exit;
- break;
}
}
diff --git a/src/cff/cffobjs.c b/src/cff/cffobjs.c
index aa2457d..cf2386e 100644
--- a/src/cff/cffobjs.c
+++ b/src/cff/cffobjs.c
@@ -346,14 +346,11 @@
FT_Memory memory = face->root.memory;
FT_Face root;
FT_UInt flags;
- FT_ULong base_offset;
if ( ALLOC( cff, sizeof ( *cff ) ) )
goto Exit;
- base_offset = FILE_Pos();
-
face->extra.data = cff;
error = CFF_Load_Font( stream, face_index, cff );
if ( error )
diff --git a/src/cid/cidload.c b/src/cid/cidload.c
index a0e937f..fe4867b 100644
--- a/src/cid/cidload.c
+++ b/src/cid/cidload.c
@@ -71,7 +71,7 @@
plain = ( *buffer ^ ( seed >> 8 ) );
- seed = ( *buffer + seed ) * 52845 + 22719;
+ seed = ( *buffer + seed ) * 52845U + 22719;
*buffer++ = plain;
length--;
}
diff --git a/src/psaux/psobjs.c b/src/psaux/psobjs.c
index a2c6688..075d5e9 100644
--- a/src/psaux/psobjs.c
+++ b/src/psaux/psobjs.c
@@ -1283,7 +1283,7 @@
plain = ( *buffer ^ ( seed >> 8 ) );
- seed = ( *buffer + seed ) * 52845 + 22719;
+ seed = ( *buffer + seed ) * 52845U + 22719;
*buffer++ = plain;
length--;
}
diff --git a/src/psaux/t1decode.c b/src/psaux/t1decode.c
index 04f1654..dd1c97a 100644
--- a/src/psaux/t1decode.c
+++ b/src/psaux/t1decode.c
@@ -323,7 +323,6 @@
FT_Byte* ip;
FT_Byte* limit;
T1_Builder* builder = &decoder->builder;
- FT_Outline* outline;
FT_Pos x, y;
@@ -346,8 +345,7 @@
limit = zone->limit = charstring_base + charstring_len;
ip = zone->cursor = zone->base;
- error = PSaux_Err_Ok;
- outline = builder->current;
+ error = PSaux_Err_Ok;
x = builder->pos_x;
y = builder->pos_y;
diff --git a/src/sfnt/ttload.c b/src/sfnt/ttload.c
index 1783b43..38d1247 100644
--- a/src/sfnt/ttload.c
+++ b/src/sfnt/ttload.c
@@ -1542,7 +1542,7 @@
FT_Error error;
FT_Memory memory = stream->memory;
- FT_UInt n, num_tables, version;
+ FT_UInt n, num_tables;
/* the kern table is optional; exit silently if it is missing */
@@ -1553,7 +1553,7 @@
if ( ACCESS_Frame( 4L ) )
goto Exit;
- version = GET_UShort();
+ (void)GET_UShort(); /* version */
num_tables = GET_UShort();
FORGET_Frame();
@@ -1567,7 +1567,7 @@
if ( ACCESS_Frame( 6L ) )
goto Exit;
- version = GET_UShort(); /* version */
+ (void)GET_UShort(); /* version */
length = GET_UShort() - 6; /* substract header length */
coverage = GET_UShort();
diff --git a/src/sfnt/ttsbit.c b/src/sfnt/ttsbit.c
index 46e0f31..18f2dac 100644
--- a/src/sfnt/ttsbit.c
+++ b/src/sfnt/ttsbit.c
@@ -1443,11 +1443,9 @@
{
/* in case of a horizontal strike only */
FT_Int advance;
- FT_Int top;
advance = strike->hori.ascender - strike->hori.descender;
- top = advance / 10;
/* some heuristic values */
diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c
index 584d767..cb6ee2b 100644
--- a/src/smooth/ftgrays.c
+++ b/src/smooth/ftgrays.c
@@ -1876,10 +1876,10 @@
}
else
{
- ras.clip_box.xMin = -32768;
- ras.clip_box.yMin = -32768;
- ras.clip_box.xMax = 32767;
- ras.clip_box.yMax = 32767;
+ ras.clip_box.xMin = -32768L;
+ ras.clip_box.yMin = -32768L;
+ ras.clip_box.xMax = 32767L;
+ ras.clip_box.yMax = 32767L;
}
ras.outline = *outline;
diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
index 560e981..05c1d48 100644
--- a/src/truetype/ttgload.c
+++ b/src/truetype/ttgload.c
@@ -670,9 +670,8 @@
TT_Face face = (TT_Face)loader->face;
FT_ULong offset;
FT_Int contours_count;
- FT_UInt index, num_points, num_contours, count;
+ FT_UInt index, num_points, count;
FT_Fixed x_scale, y_scale;
- FT_ULong ins_offset;
FT_GlyphLoader* gloader = loader->gloader;
FT_Bool opened_frame = 0;
@@ -686,9 +685,7 @@
}
loader->glyph_index = glyph_index;
- num_contours = 0;
num_points = 0;
- ins_offset = 0;
x_scale = 0x10000L;
y_scale = 0x10000L;
@@ -1119,18 +1116,14 @@
{
FT_BBox bbox;
TT_Face face = (TT_Face)loader->face;
- FT_Fixed x_scale, y_scale;
+ FT_Fixed y_scale;
TT_GlyphSlot glyph = loader->glyph;
TT_Size size = (TT_Size)loader->size;
- x_scale = 0x10000L;
y_scale = 0x10000L;
if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 )
- {
- x_scale = size->root.metrics.x_scale;
y_scale = size->root.metrics.y_scale;
- }
if ( glyph->format != ft_glyph_format_composite )
{
@@ -1190,7 +1183,6 @@
FT_UShort advance_height; /* vertical advance height (EM units) */
FT_Pos left; /* scaled vertical left side bearing */
- FT_Pos Top; /* scaled original vertical top side bearing */
FT_Pos top; /* scaled vertical top side bearing */
FT_Pos advance; /* scaled vertical advance height */
@@ -1244,14 +1236,12 @@
/* scale the metrics */
if ( !( loader->load_flags & FT_LOAD_NO_SCALE ) )
{
- Top = FT_MulFix( top_bearing, y_scale );
top = FT_MulFix( top_bearing + loader->bbox.yMax, y_scale )
- bbox.yMax;
advance = FT_MulFix( advance_height, y_scale );
}
else
{
- Top = top_bearing;
top = top_bearing + loader->bbox.yMax - bbox.yMax;
advance = advance_height;
}
@@ -1332,7 +1322,6 @@
SFNT_Interface* sfnt;
TT_Face face;
FT_Stream stream;
- FT_Memory memory;
FT_Error error;
TT_Loader loader;
@@ -1340,7 +1329,6 @@
face = (TT_Face)glyph->face;
sfnt = (SFNT_Interface*)face->sfnt;
stream = face->root.stream;
- memory = face->root.memory;
error = 0;
if ( !size || ( load_flags & FT_LOAD_NO_SCALE ) ||