ReactOS 0.4.15-dev-8207-gd73a838
gxvtrak.c File Reference
#include "gxvalid.h"
#include "gxvcommn.h"
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Classes

struct  GXV_trak_DataRec_
 

Macros

#define FT_COMPONENT   trace_gxvtrak
 
#define GXV_TRAK_DATA(FIELD)   GXV_TABLE_DATA( trak, FIELD )
 

Typedefs

typedef struct GXV_trak_DataRec_ GXV_trak_DataRec
 
typedef struct GXV_trak_DataRec_GXV_trak_Data
 

Functions

static void gxv_trak_trackTable_validate (FT_Bytes table, FT_Bytes limit, FT_UShort nTracks, GXV_Validator gxvalid)
 
static void gxv_trak_trackData_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
 
 gxv_trak_validate (FT_Bytes table, FT_Face face, FT_Validator ftvalid)
 

Macro Definition Documentation

◆ FT_COMPONENT

#define FT_COMPONENT   trace_gxvtrak

Definition at line 39 of file gxvtrak.c.

◆ GXV_TRAK_DATA

#define GXV_TRAK_DATA (   FIELD)    GXV_TABLE_DATA( trak, FIELD )

Definition at line 82 of file gxvtrak.c.

Typedef Documentation

◆ GXV_trak_Data

◆ GXV_trak_DataRec

Function Documentation

◆ gxv_trak_trackData_validate()

static void gxv_trak_trackData_validate ( FT_Bytes  table,
FT_Bytes  limit,
GXV_Validator  gxvalid 
)
static

Definition at line 144 of file gxvtrak.c.

147 {
148 FT_Bytes p = table;
149 FT_UShort nTracks;
150 FT_UShort nSizes;
151 FT_ULong sizeTableOffset;
152
153 GXV_ODTECT( 4, odtect );
154
155
156 GXV_ODTECT_INIT( odtect );
157 GXV_NAME_ENTER( "trackData" );
158
159 /* read the header of trackData */
160 GXV_LIMIT_CHECK( 2 + 2 + 4 );
161 nTracks = FT_NEXT_USHORT( p );
162 nSizes = FT_NEXT_USHORT( p );
163 sizeTableOffset = FT_NEXT_ULONG( p );
164
166 "trackData header", odtect );
167
168 /* validate trackTable */
169 gxv_trak_trackTable_validate( p, limit, nTracks, gxvalid );
171 "trackTable", odtect );
172
173 /* sizeTable is array of FT_Fixed, don't check contents */
174 p = gxvalid->root->base + sizeTableOffset;
175 GXV_LIMIT_CHECK( nSizes * 4 );
176 gxv_odtect_add_range( p, nSizes * 4, "sizeTable", odtect );
177
178 /* validate trackValueOffet */
179 p = gxvalid->root->base + GXV_TRAK_DATA( trackValueOffset_min );
180 if ( limit - p < nTracks * nSizes * 2 )
181 GXV_TRACE(( "too short trackValue array\n" ));
182
183 p = gxvalid->root->base + GXV_TRAK_DATA( trackValueOffset_max );
184 GXV_LIMIT_CHECK( nSizes * 2 );
185
186 gxv_odtect_add_range( gxvalid->root->base
187 + GXV_TRAK_DATA( trackValueOffset_min ),
188 GXV_TRAK_DATA( trackValueOffset_max )
189 - GXV_TRAK_DATA( trackValueOffset_min )
190 + nSizes * 2,
191 "trackValue array", odtect );
192
193 gxv_odtect_validate( odtect, gxvalid );
194
195 GXV_EXIT;
196 }
#define FT_NEXT_USHORT(buffer)
Definition: ftstream.h:226
#define FT_NEXT_ULONG(buffer)
Definition: ftstream.h:238
unsigned long FT_ULong
Definition: fttypes.h:253
unsigned short FT_UShort
Definition: fttypes.h:209
const FT_Byte * FT_Bytes
Definition: fttypes.h:165
GLint limit
Definition: glext.h:10326
GLfloat GLfloat p
Definition: glext.h:8902
gxv_odtect_add_range(FT_Bytes start, FT_ULong length, const FT_String *name, GXV_odtect_Range odtect)
Definition: gxvcommn.c:1702
gxv_odtect_validate(GXV_odtect_Range odtect, GXV_Validator gxvalid)
Definition: gxvcommn.c:1715
#define GXV_ODTECT(n, odtect)
Definition: gxvcommn.h:562
#define GXV_NAME_ENTER(name)
Definition: gxvcommn.h:301
#define GXV_ODTECT_INIT(odtect)
Definition: gxvcommn.h:567
#define GXV_TRACE(s)
Definition: gxvcommn.h:304
#define GXV_EXIT
Definition: gxvcommn.h:302
#define GXV_LIMIT_CHECK(_count)
Definition: gxvcommn.h:272
#define GXV_TRAK_DATA(FIELD)
Definition: gxvtrak.c:82
static void gxv_trak_trackTable_validate(FT_Bytes table, FT_Bytes limit, FT_UShort nTracks, GXV_Validator gxvalid)
Definition: gxvtrak.c:94
FT_Validator root
Definition: gxvcommn.h:239
FT_ULong subtable_length
Definition: gxvcommn.h:244

Referenced by gxv_trak_validate().

◆ gxv_trak_trackTable_validate()

static void gxv_trak_trackTable_validate ( FT_Bytes  table,
FT_Bytes  limit,
FT_UShort  nTracks,
GXV_Validator  gxvalid 
)
static

Definition at line 94 of file gxvtrak.c.

98 {
100
101 FT_Fixed track, t;
102 FT_UShort nameIndex;
104 FT_UShort i, j;
105
106
107 GXV_NAME_ENTER( "trackTable" );
108
109 GXV_TRAK_DATA( trackValueOffset_min ) = 0xFFFFU;
110 GXV_TRAK_DATA( trackValueOffset_max ) = 0x0000;
111
112 GXV_LIMIT_CHECK( nTracks * ( 4 + 2 + 2 ) );
113
114 for ( i = 0; i < nTracks; i++ )
115 {
116 p = table + i * ( 4 + 2 + 2 );
117 track = FT_NEXT_LONG( p );
118 nameIndex = FT_NEXT_USHORT( p );
120
121 if ( offset < GXV_TRAK_DATA( trackValueOffset_min ) )
122 GXV_TRAK_DATA( trackValueOffset_min ) = offset;
123 if ( offset > GXV_TRAK_DATA( trackValueOffset_max ) )
124 GXV_TRAK_DATA( trackValueOffset_max ) = offset;
125
126 gxv_sfntName_validate( nameIndex, 256, 32767, gxvalid );
127
128 for ( j = i; j < nTracks; j++ )
129 {
130 p = table + j * ( 4 + 2 + 2 );
131 t = FT_NEXT_LONG( p );
132 if ( t == track )
133 GXV_TRACE(( "duplicated entries found for track value 0x%x\n",
134 track ));
135 }
136 }
137
138 gxvalid->subtable_length = (FT_ULong)( p - table );
139 GXV_EXIT;
140 }
#define FT_NEXT_LONG(buffer)
Definition: ftstream.h:235
signed long FT_Fixed
Definition: fttypes.h:288
GLdouble GLdouble t
Definition: gl.h:2047
GLintptr offset
Definition: glext.h:5920
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
gxv_sfntName_validate(FT_UShort name_index, FT_UShort min_index, FT_UShort max_index, GXV_Validator gxvalid)
Definition: gxvcommn.c:884

Referenced by gxv_trak_trackData_validate().

◆ gxv_trak_validate()

gxv_trak_validate ( FT_Bytes  table,
FT_Face  face,
FT_Validator  ftvalid 
)

Definition at line 208 of file gxvtrak.c.

211 {
212 FT_Bytes p = table;
213 FT_Bytes limit = 0;
214
215 GXV_ValidatorRec gxvalidrec;
216 GXV_Validator gxvalid = &gxvalidrec;
217 GXV_trak_DataRec trakrec;
218 GXV_trak_Data trak = &trakrec;
219
222 FT_UShort horizOffset;
223 FT_UShort vertOffset;
225
226
227 GXV_ODTECT( 3, odtect );
228
229 GXV_ODTECT_INIT( odtect );
230 gxvalid->root = ftvalid;
231 gxvalid->table_data = trak;
232 gxvalid->face = face;
233
234 limit = gxvalid->root->limit;
235
236 FT_TRACE3(( "validating `trak' table\n" ));
237 GXV_INIT;
238
239 GXV_LIMIT_CHECK( 4 + 2 + 2 + 2 + 2 );
242 horizOffset = FT_NEXT_USHORT( p );
243 vertOffset = FT_NEXT_USHORT( p );
245
246 GXV_TRACE(( " (version = 0x%08x)\n", version ));
247 GXV_TRACE(( " (format = 0x%04x)\n", format ));
248 GXV_TRACE(( " (horizOffset = 0x%04x)\n", horizOffset ));
249 GXV_TRACE(( " (vertOffset = 0x%04x)\n", vertOffset ));
250 GXV_TRACE(( " (reserved = 0x%04x)\n", reserved ));
251
252 /* Version 1.0 (always:1996) */
253 if ( version != 0x00010000UL )
255
256 /* format 0 (always:1996) */
257 if ( format != 0x0000 )
259
260 GXV_32BIT_ALIGNMENT_VALIDATE( horizOffset );
261 GXV_32BIT_ALIGNMENT_VALIDATE( vertOffset );
262
263 /* Reserved Fixed Value (always) */
264 if ( reserved != 0x0000 )
266
267 /* validate trackData */
268 if ( 0 < horizOffset )
269 {
270 gxv_trak_trackData_validate( table + horizOffset, limit, gxvalid );
271 gxv_odtect_add_range( table + horizOffset, gxvalid->subtable_length,
272 "horizJustData", odtect );
273 }
274
275 if ( 0 < vertOffset )
276 {
277 gxv_trak_trackData_validate( table + vertOffset, limit, gxvalid );
278 gxv_odtect_add_range( table + vertOffset, gxvalid->subtable_length,
279 "vertJustData", odtect );
280 }
281
282 gxv_odtect_validate( odtect, gxvalid );
283
284 FT_TRACE4(( "\n" ));
285 }
WORD face[3]
Definition: mesh.c:4747
static const WCHAR version[]
Definition: asmname.c:66
r reserved
Definition: btrfs.c:3006
#define FT_TRACE3(varformat)
Definition: ftdebug.h:160
#define FT_TRACE4(varformat)
Definition: ftdebug.h:161
#define FT_INVALID_FORMAT
Definition: ftvalid.h:142
#define FT_INVALID_DATA
Definition: ftvalid.h:150
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: gl.h:1546
#define GXV_32BIT_ALIGNMENT_VALIDATE(a)
Definition: gxvcommn.h:317
#define GXV_INIT
Definition: gxvcommn.h:300
static void gxv_trak_trackData_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvtrak.c:144
void * table_data
Definition: gxvcommn.h:242