forked from minhngoc25a/freetype2
[gxvalid] Fix gcc4.6 compiler warnings in gxvkern.c.
* src/gxvalid/gxvkern.c (gxv_kern_subtable_fmt0_pairs_validate): Conditionalize unvalidated variable `kernValue'. (gxv_kern_subtable_fmt1_entry_validate): Conditionalize unvalidated variables; `push', `dontAdvance', `kernAction', `kernValue'. (gxv_kern_coverage_new_apple_validate): Conditionalize trace-only variables; `kernVertical', `kernCrossStream', `kernVariation'. (gxv_kern_coverage_classic_apple_validate): Conditionalize trace-only variables; `horizontal', `cross_stream'. (gxv_kern_coverage_classic_microsoft_validate): Conditionalize trace-only variables; `horizontal', `minimum', `cross_stream', `override'. (gxv_kern_subtable_validate): Conditionalize trace-only variables; `version', `tupleIndex'.
This commit is contained in:
suzuki toshiya
parent
ce015ec8da
commit
20c126c1ac
21
ChangeLog
21
ChangeLog
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@ -1,3 +1,24 @@
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2011-06-14 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
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[gxvalid] Fix gcc4.6 compiler warnings in gxvkern.c.
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* src/gxvalid/gxvkern.c
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(gxv_kern_subtable_fmt0_pairs_validate): Conditionalize
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unvalidated variable `kernValue'.
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(gxv_kern_subtable_fmt1_entry_validate): Conditionalize
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unvalidated variables; `push', `dontAdvance', `kernAction',
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`kernValue'.
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(gxv_kern_coverage_new_apple_validate): Conditionalize
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trace-only variables; `kernVertical', `kernCrossStream',
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`kernVariation'.
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(gxv_kern_coverage_classic_apple_validate): Conditionalize
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trace-only variables; `horizontal', `cross_stream'.
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(gxv_kern_coverage_classic_microsoft_validate):
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Conditionalize trace-only variables; `horizontal',
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`minimum', `cross_stream', `override'.
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(gxv_kern_subtable_validate): Conditionalize trace-only
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variables; `version', `tupleIndex'.
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2011-06-14 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
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[gxvalid] Fix gcc4.6 compiler warnings in gxvjust.c.
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@ -127,7 +127,9 @@
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{
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FT_UShort gid_left;
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FT_UShort gid_right;
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#ifdef GXV_LOAD_UNUSED_VARS
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FT_Short kernValue;
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#endif
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/* left */
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@ -156,7 +158,11 @@
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FT_INVALID_DATA;
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/* skip the kern value */
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#ifdef GXV_LOAD_UNUSED_VARS
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kernValue = FT_NEXT_SHORT( p );
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#else
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p += 2;
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#endif
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}
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GXV_EXIT;
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@ -261,18 +267,24 @@
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FT_Bytes limit,
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GXV_Validator valid )
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{
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#ifdef GXV_LOAD_UNUSED_VARS
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FT_UShort push;
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FT_UShort dontAdvance;
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#endif
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FT_UShort valueOffset;
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#ifdef GXV_LOAD_UNUSED_VARS
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FT_UShort kernAction;
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FT_UShort kernValue;
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#endif
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FT_UNUSED( state );
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FT_UNUSED( glyphOffset_p );
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#ifdef GXV_LOAD_UNUSED_VARS
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push = (FT_UShort)( ( flags >> 15 ) & 1 );
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dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
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#endif
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valueOffset = (FT_UShort)( flags & 0x3FFF );
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{
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@ -288,8 +300,12 @@
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limit = table + vt_rec->valueTable + vt_rec->valueTable_length;
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GXV_LIMIT_CHECK( 2 + 2 );
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#ifdef GXV_LOAD_UNUSED_VARS
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kernAction = FT_NEXT_USHORT( p );
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kernValue = FT_NEXT_USHORT( p );
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#else
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p += 4;
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#endif
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}
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}
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@ -479,6 +495,9 @@
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FT_INVALID_GLYPH_ID;
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}
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if ( flags != 0 )
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GXV_TRACE(( "kern subtable fmt3 has nonzero value"
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" (%d) in unused flag\n", flags ));
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/*
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* just skip kernValue[kernValueCount]
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*/
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@ -545,20 +564,24 @@
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GXV_Validator valid )
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{
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/* new Apple-dialect */
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#ifdef GXV_LOAD_TRACE_VARS
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FT_Bool kernVertical;
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FT_Bool kernCrossStream;
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FT_Bool kernVariation;
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#endif
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FT_UNUSED( valid );
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/* reserved bits = 0 */
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if ( coverage & 0x1FFC )
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return 0;
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return FALSE;
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#ifdef GXV_LOAD_TRACE_VARS
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kernVertical = FT_BOOL( ( coverage >> 15 ) & 1 );
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kernCrossStream = FT_BOOL( ( coverage >> 14 ) & 1 );
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kernVariation = FT_BOOL( ( coverage >> 13 ) & 1 );
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#endif
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*format = (FT_UShort)( coverage & 0x0003 );
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@ -568,7 +591,7 @@
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GXV_TRACE(( "kerning values in Apple format subtable are ignored\n" ));
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return 1;
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return TRUE;
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}
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@ -578,20 +601,24 @@
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GXV_Validator valid )
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{
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/* classic Apple-dialect */
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#ifdef GXV_LOAD_TRACE_VARS
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FT_Bool horizontal;
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FT_Bool cross_stream;
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#endif
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/* check expected flags, but don't check if MS-dialect is impossible */
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if ( !( coverage & 0xFD00 ) && KERN_ALLOWS_MS( valid ) )
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return 0;
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return FALSE;
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/* reserved bits = 0 */
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if ( coverage & 0x02FC )
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return 0;
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return FALSE;
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#ifdef GXV_LOAD_TRACE_VARS
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horizontal = FT_BOOL( ( coverage >> 15 ) & 1 );
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cross_stream = FT_BOOL( ( coverage >> 13 ) & 1 );
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#endif
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*format = (FT_UShort)( coverage & 0x0003 );
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@ -601,11 +628,11 @@
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/* format 1 requires GX State Machine, too new for classic */
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if ( *format == 1 )
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return 0;
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return FALSE;
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GXV_TRACE(( "kerning values in Apple format subtable are ignored\n" ));
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return 1;
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return TRUE;
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}
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@ -615,22 +642,26 @@
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GXV_Validator valid )
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{
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/* classic Microsoft-dialect */
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#ifdef GXV_LOAD_TRACE_VARS
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FT_Bool horizontal;
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FT_Bool minimum;
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FT_Bool cross_stream;
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FT_Bool override;
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#endif
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FT_UNUSED( valid );
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/* reserved bits = 0 */
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if ( coverage & 0xFDF0 )
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return 0;
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return FALSE;
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#ifdef GXV_LOAD_TRACE_VARS
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horizontal = FT_BOOL( coverage & 1 );
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minimum = FT_BOOL( ( coverage >> 1 ) & 1 );
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cross_stream = FT_BOOL( ( coverage >> 2 ) & 1 );
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override = FT_BOOL( ( coverage >> 3 ) & 1 );
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#endif
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*format = (FT_UShort)( ( coverage >> 8 ) & 0x0003 );
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@ -643,7 +674,7 @@
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GXV_TRACE((
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"kerning values in Microsoft format 2 subtable are ignored\n" ));
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return 1;
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return TRUE;
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}
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@ -714,10 +745,14 @@
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GXV_Validator valid )
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{
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FT_Bytes p = table;
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#ifdef GXV_LOAD_TRACE_VARS
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FT_UShort version = 0; /* MS only: subtable version, unused */
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#endif
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FT_ULong length; /* MS: 16bit, Apple: 32bit*/
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FT_UShort coverage;
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#ifdef GXV_LOAD_TRACE_VARS
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FT_UShort tupleIndex = 0; /* Apple only */
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#endif
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FT_UShort u16[2];
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FT_UShort format = 255; /* subtable format */
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@ -732,23 +767,35 @@
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switch ( gxv_kern_coverage_validate( coverage, &format, valid ) )
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{
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case KERN_DIALECT_MS:
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#ifdef GXV_LOAD_TRACE_VARS
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version = u16[0];
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#endif
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length = u16[1];
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#ifdef GXV_LOAD_TRACE_VARS
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tupleIndex = 0;
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#endif
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GXV_TRACE(( "Subtable version = %d\n", version ));
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GXV_TRACE(( "Subtable length = %d\n", length ));
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break;
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case KERN_DIALECT_APPLE:
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#ifdef GXV_LOAD_TRACE_VARS
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version = 0;
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#endif
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length = ( u16[0] << 16 ) + u16[1];
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#ifdef GXV_LOAD_TRACE_VARS
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tupleIndex = 0;
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#endif
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GXV_TRACE(( "Subtable length = %d\n", length ));
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if ( KERN_IS_NEW( valid ) )
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{
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GXV_LIMIT_CHECK( 2 );
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#ifdef GXV_LOAD_TRACE_VARS
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tupleIndex = FT_NEXT_USHORT( p );
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#else
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p += 2;
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#endif
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GXV_TRACE(( "Subtable tupleIndex = %d\n", tupleIndex ));
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}
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break;
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