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-rw-r--r--src/3rdparty/freetype/src/psaux/psobjs.c106
1 files changed, 35 insertions, 71 deletions
diff --git a/src/3rdparty/freetype/src/psaux/psobjs.c b/src/3rdparty/freetype/src/psaux/psobjs.c
index defc4d4fce..8da755d0e5 100644
--- a/src/3rdparty/freetype/src/psaux/psobjs.c
+++ b/src/3rdparty/freetype/src/psaux/psobjs.c
@@ -4,7 +4,7 @@
*
* Auxiliary functions for PostScript fonts (body).
*
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2023 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
@@ -84,7 +84,6 @@
table->max_elems = count;
table->init = 0xDEADBEEFUL;
- table->num_elems = 0;
table->block = NULL;
table->capacity = 0;
table->cursor = 0;
@@ -99,45 +98,31 @@
}
- static void
- shift_elements( PS_Table table,
- FT_Byte* old_base )
- {
- FT_PtrDist delta = table->block - old_base;
- FT_Byte** offset = table->elements;
- FT_Byte** limit = offset + table->max_elems;
-
-
- for ( ; offset < limit; offset++ )
- {
- if ( offset[0] )
- offset[0] += delta;
- }
- }
-
-
static FT_Error
- reallocate_t1_table( PS_Table table,
- FT_Offset new_size )
+ ps_table_realloc( PS_Table table,
+ FT_Offset new_size )
{
FT_Memory memory = table->memory;
FT_Byte* old_base = table->block;
FT_Error error;
- /* allocate new base block */
- if ( FT_ALLOC( table->block, new_size ) )
- {
- table->block = old_base;
+ /* (re)allocate the base block */
+ if ( FT_REALLOC( table->block, table->capacity, new_size ) )
return error;
- }
- /* copy elements and shift offsets */
- if ( old_base )
+ /* rebase offsets if necessary */
+ if ( old_base && table->block != old_base )
{
- FT_MEM_COPY( table->block, old_base, table->capacity );
- shift_elements( table, old_base );
- FT_FREE( old_base );
+ FT_Byte** offset = table->elements;
+ FT_Byte** limit = offset + table->max_elems;
+
+
+ for ( ; offset < limit; offset++ )
+ {
+ if ( *offset )
+ *offset = table->block + ( *offset - old_base );
+ }
}
table->capacity = new_size;
@@ -204,7 +189,7 @@
new_size = FT_PAD_CEIL( new_size, 1024 );
}
- error = reallocate_t1_table( table, new_size );
+ error = ps_table_realloc( table, new_size );
if ( error )
return error;
@@ -234,32 +219,12 @@
* @InOut:
* table ::
* The target table.
- *
- * @Note:
- * This function does NOT release the heap's memory block. It is up
- * to the caller to clean it, or reference it in its own structures.
*/
FT_LOCAL_DEF( void )
ps_table_done( PS_Table table )
{
- FT_Memory memory = table->memory;
- FT_Error error;
- FT_Byte* old_base = table->block;
-
-
- /* should never fail, because rec.cursor <= rec.size */
- if ( !old_base )
- return;
-
- if ( FT_ALLOC( table->block, table->cursor ) )
- return;
- FT_MEM_COPY( table->block, old_base, table->cursor );
- shift_elements( table, old_base );
-
- table->capacity = table->cursor;
- FT_FREE( old_base );
-
- FT_UNUSED( error );
+ /* no problem if shrinking fails */
+ ps_table_realloc( table, table->cursor );
}
@@ -269,7 +234,7 @@
FT_Memory memory = table->memory;
- if ( (FT_ULong)table->init == 0xDEADBEEFUL )
+ if ( table->init == 0xDEADBEEFUL )
{
FT_FREE( table->block );
FT_FREE( table->elements );
@@ -552,7 +517,7 @@
if ( *cur == '<' ) /* <...> */
{
- if ( cur + 1 < limit && *(cur + 1) == '<' ) /* << */
+ if ( cur + 1 < limit && *( cur + 1 ) == '<' ) /* << */
{
cur++;
cur++;
@@ -595,10 +560,10 @@
if ( cur < limit && cur == parser->cursor )
{
FT_ERROR(( "ps_parser_skip_PS_token:"
- " current token is `%c' which is self-delimiting\n"
- " "
- " but invalid at this point\n",
+ " current token is `%c' which is self-delimiting\n",
*cur ));
+ FT_ERROR(( " "
+ " but invalid at this point\n" ));
error = FT_THROW( Invalid_File_Format );
}
@@ -979,7 +944,7 @@
}
len = (FT_UInt)( cur - *cursor );
- if ( cur >= limit || FT_ALLOC( result, len + 1 ) )
+ if ( cur >= limit || FT_QALLOC( result, len + 1 ) )
return 0;
/* now copy the string */
@@ -1098,7 +1063,6 @@
{
FT_Byte* q = (FT_Byte*)objects[idx] + field->offset;
FT_Long val;
- FT_String* string = NULL;
skip_spaces( &cur, limit );
@@ -1148,8 +1112,9 @@
case T1_FIELD_TYPE_STRING:
case T1_FIELD_TYPE_KEY:
{
- FT_Memory memory = parser->memory;
- FT_UInt len = (FT_UInt)( limit - cur );
+ FT_Memory memory = parser->memory;
+ FT_UInt len = (FT_UInt)( limit - cur );
+ FT_String* string = NULL;
if ( cur >= limit )
@@ -1175,8 +1140,8 @@
else
{
FT_ERROR(( "ps_parser_load_field:"
- " expected a name or string\n"
- " "
+ " expected a name or string\n" ));
+ FT_ERROR(( " "
" but found token of type %d instead\n",
token.type ));
error = FT_THROW( Invalid_File_Format );
@@ -1190,10 +1155,9 @@
FT_TRACE0(( "ps_parser_load_field: overwriting field %s\n",
field->ident ));
FT_FREE( *(FT_String**)q );
- *(FT_String**)q = NULL;
}
- if ( FT_ALLOC( string, len + 1 ) )
+ if ( FT_QALLOC( string, len + 1 ) )
goto Exit;
FT_MEM_COPY( string, cur, len );
@@ -1248,7 +1212,7 @@
FT_UInt i;
- if ( FT_NEW_ARRAY( temp, max_objects * 4 ) )
+ if ( FT_QNEW_ARRAY( temp, max_objects * 4 ) )
goto Exit;
for ( i = 0; i < 4; i++ )
@@ -1258,14 +1222,14 @@
if ( result < 0 || (FT_UInt)result < max_objects )
{
FT_ERROR(( "ps_parser_load_field:"
- " expected %d integer%s in the %s subarray\n"
- " "
- " of /FontBBox in the /Blend dictionary\n",
+ " expected %d integer%s in the %s subarray\n",
max_objects, max_objects > 1 ? "s" : "",
i == 0 ? "first"
: ( i == 1 ? "second"
: ( i == 2 ? "third"
: "fourth" ) ) ));
+ FT_ERROR(( " "
+ " of /FontBBox in the /Blend dictionary\n" ));
error = FT_THROW( Invalid_File_Format );
FT_FREE( temp );
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 17:08:55 +0000