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builds/{unix,windows}/ftsystem.c: Sync comments with src/base/ftsystem.c.

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Also some minor code formatting.
This commit is contained in:
Werner Lemberg 2021-02-02 09:38:25 +01:00
parent 4554c6da42
commit 689402418f
2 changed files with 256 additions and 217 deletions
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223
builds/unix/ftsystem.c
View File

@ -1,19 +1,19 @@
/***************************************************************************/
/* */
/* ftsystem.c */
/* */
/* Unix-specific FreeType low-level system interface (body). */
/* */
/* Copyright (C) 1996-2021 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/****************************************************************************
*
* ftsystem.c
*
* Unix-specific FreeType low-level system interface (body).
*
* Copyright (C) 1996-2021 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
* modified, and distributed under the terms of the FreeType project
* license, LICENSE.TXT. By continuing to use, modify, or distribute
* this file you indicate that you have read the license and
* understand and accept it fully.
*
*/
#include <ft2build.h>
@ -70,29 +70,40 @@
#include <errno.h>
/*************************************************************************/
/* */
/* MEMORY MANAGEMENT INTERFACE */
/* */
/*************************************************************************/
/**************************************************************************
*
* MEMORY MANAGEMENT INTERFACE
*
*/
/*************************************************************************/
/* */
/* <Function> */
/* ft_alloc */
/* */
/* <Description> */
/* The memory allocation function. */
/* */
/* <Input> */
/* memory :: A pointer to the memory object. */
/* */
/* size :: The requested size in bytes. */
/* */
/* <Return> */
/* The address of newly allocated block. */
/* */
/**************************************************************************
*
* It is not necessary to do any error checking for the
* allocation-related functions. This will be done by the higher level
* routines like ft_mem_alloc() or ft_mem_realloc().
*
*/
/**************************************************************************
*
* @Function:
* ft_alloc
*
* @Description:
* The memory allocation function.
*
* @Input:
* memory ::
* A pointer to the memory object.
*
* size ::
* The requested size in bytes.
*
* @Return:
* The address of newly allocated block.
*/
FT_CALLBACK_DEF( void* )
ft_alloc( FT_Memory memory,
long size )
@ -103,26 +114,30 @@
}
/*************************************************************************/
/* */
/* <Function> */
/* ft_realloc */
/* */
/* <Description> */
/* The memory reallocation function. */
/* */
/* <Input> */
/* memory :: A pointer to the memory object. */
/* */
/* cur_size :: The current size of the allocated memory block. */
/* */
/* new_size :: The newly requested size in bytes. */
/* */
/* block :: The current address of the block in memory. */
/* */
/* <Return> */
/* The address of the reallocated memory block. */
/* */
/**************************************************************************
*
* @Function:
* ft_realloc
*
* @Description:
* The memory reallocation function.
*
* @Input:
* memory ::
* A pointer to the memory object.
*
* cur_size ::
* The current size of the allocated memory block.
*
* new_size ::
* The newly requested size in bytes.
*
* block ::
* The current address of the block in memory.
*
* @Return:
* The address of the reallocated memory block.
*/
FT_CALLBACK_DEF( void* )
ft_realloc( FT_Memory memory,
long cur_size,
@ -136,19 +151,21 @@
}
/*************************************************************************/
/* */
/* <Function> */
/* ft_free */
/* */
/* <Description> */
/* The memory release function. */
/* */
/* <Input> */
/* memory :: A pointer to the memory object. */
/* */
/* block :: The address of block in memory to be freed. */
/* */
/**************************************************************************
*
* @Function:
* ft_free
*
* @Description:
* The memory release function.
*
* @Input:
* memory ::
* A pointer to the memory object.
*
* block ::
* The address of block in memory to be freed.
*/
FT_CALLBACK_DEF( void )
ft_free( FT_Memory memory,
void* block )
@ -159,19 +176,19 @@
}
/*************************************************************************/
/* */
/* RESOURCE MANAGEMENT INTERFACE */
/* */
/*************************************************************************/
/**************************************************************************
*
* RESOURCE MANAGEMENT INTERFACE
*
*/
/*************************************************************************/
/* */
/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
/* messages during execution. */
/* */
/**************************************************************************
*
* The macro FT_COMPONENT is used in trace mode. It is an implicit
* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
* messages during execution.
*/
#undef FT_COMPONENT
#define FT_COMPONENT io
@ -180,17 +197,17 @@
#define STREAM_FILE( stream ) ( (FILE*)stream->descriptor.pointer )
/*************************************************************************/
/* */
/* <Function> */
/* ft_close_stream_by_munmap */
/* */
/* <Description> */
/* The function to close a stream which is opened by mmap. */
/* */
/* <Input> */
/* stream :: A pointer to the stream object. */
/* */
/**************************************************************************
*
* @Function:
* ft_close_stream_by_munmap
*
* @Description:
* The function to close a stream which is opened by mmap.
*
* @Input:
* stream :: A pointer to the stream object.
*/
FT_CALLBACK_DEF( void )
ft_close_stream_by_munmap( FT_Stream stream )
{
@ -202,17 +219,17 @@
}
/*************************************************************************/
/* */
/* <Function> */
/* ft_close_stream_by_free */
/* */
/* <Description> */
/* The function to close a stream which is created by ft_alloc. */
/* */
/* <Input> */
/* stream :: A pointer to the stream object. */
/* */
/**************************************************************************
*
* @Function:
* ft_close_stream_by_free
*
* @Description:
* The function to close a stream which is created by ft_alloc.
*
* @Input:
* stream :: A pointer to the stream object.
*/
FT_CALLBACK_DEF( void )
ft_close_stream_by_free( FT_Stream stream )
{

250
builds/windows/ftsystem.c
View File

@ -1,19 +1,19 @@
/***************************************************************************/
/* */
/* ftsystem.c */
/* */
/* Unix-specific FreeType low-level system interface (body). */
/* */
/* Copyright (C) 1996-2020 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/****************************************************************************
*
* ftsystem.c
*
* Windows-specific FreeType low-level system interface (body).
*
* Copyright (C) 2021 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
* modified, and distributed under the terms of the FreeType project
* license, LICENSE.TXT. By continuing to use, modify, or distribute
* this file you indicate that you have read the license and
* understand and accept it fully.
*
*/
#include <ft2build.h>
@ -31,29 +31,40 @@
#include <stdlib.h>
/*************************************************************************/
/* */
/* MEMORY MANAGEMENT INTERFACE */
/* */
/*************************************************************************/
/**************************************************************************
*
* MEMORY MANAGEMENT INTERFACE
*
*/
/*************************************************************************/
/* */
/* <Function> */
/* ft_alloc */
/* */
/* <Description> */
/* The memory allocation function. */
/* */
/* <Input> */
/* memory :: A pointer to the memory object. */
/* */
/* size :: The requested size in bytes. */
/* */
/* <Return> */
/* The address of newly allocated block. */
/* */
/**************************************************************************
*
* It is not necessary to do any error checking for the
* allocation-related functions. This will be done by the higher level
* routines like ft_mem_alloc() or ft_mem_realloc().
*
*/
/**************************************************************************
*
* @Function:
* ft_alloc
*
* @Description:
* The memory allocation function.
*
* @Input:
* memory ::
* A pointer to the memory object.
*
* size ::
* The requested size in bytes.
*
* @Return:
* The address of newly allocated block.
*/
FT_CALLBACK_DEF( void* )
ft_alloc( FT_Memory memory,
long size )
@ -64,26 +75,30 @@
}
/*************************************************************************/
/* */
/* <Function> */
/* ft_realloc */
/* */
/* <Description> */
/* The memory reallocation function. */
/* */
/* <Input> */
/* memory :: A pointer to the memory object. */
/* */
/* cur_size :: The current size of the allocated memory block. */
/* */
/* new_size :: The newly requested size in bytes. */
/* */
/* block :: The current address of the block in memory. */
/* */
/* <Return> */
/* The address of the reallocated memory block. */
/* */
/**************************************************************************
*
* @Function:
* ft_realloc
*
* @Description:
* The memory reallocation function.
*
* @Input:
* memory ::
* A pointer to the memory object.
*
* cur_size ::
* The current size of the allocated memory block.
*
* new_size ::
* The newly requested size in bytes.
*
* block ::
* The current address of the block in memory.
*
* @Return:
* The address of the reallocated memory block.
*/
FT_CALLBACK_DEF( void* )
ft_realloc( FT_Memory memory,
long cur_size,
@ -97,19 +112,21 @@
}
/*************************************************************************/
/* */
/* <Function> */
/* ft_free */
/* */
/* <Description> */
/* The memory release function. */
/* */
/* <Input> */
/* memory :: A pointer to the memory object. */
/* */
/* block :: The address of block in memory to be freed. */
/* */
/**************************************************************************
*
* @Function:
* ft_free
*
* @Description:
* The memory release function.
*
* @Input:
* memory ::
* A pointer to the memory object.
*
* block ::
* The address of block in memory to be freed.
*/
FT_CALLBACK_DEF( void )
ft_free( FT_Memory memory,
void* block )
@ -120,19 +137,19 @@
}
/*************************************************************************/
/* */
/* RESOURCE MANAGEMENT INTERFACE */
/* */
/*************************************************************************/
/**************************************************************************
*
* RESOURCE MANAGEMENT INTERFACE
*
*/
/*************************************************************************/
/* */
/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
/* messages during execution. */
/* */
/**************************************************************************
*
* The macro FT_COMPONENT is used in trace mode. It is an implicit
* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
* messages during execution.
*/
#undef FT_COMPONENT
#define FT_COMPONENT io
@ -141,17 +158,17 @@
#define STREAM_FILE( stream ) ( (FILE*)stream->descriptor.pointer )
/*************************************************************************/
/* */
/* <Function> */
/* ft_close_stream_by_munmap */
/* */
/* <Description> */
/* The function to close a stream which is opened by mmap. */
/* */
/* <Input> */
/* stream :: A pointer to the stream object. */
/* */
/**************************************************************************
*
* @Function:
* ft_close_stream_by_munmap
*
* @Description:
* The function to close a stream which is opened by mmap.
*
* @Input:
* stream :: A pointer to the stream object.
*/
FT_CALLBACK_DEF( void )
ft_close_stream_by_munmap( FT_Stream stream )
{
@ -163,17 +180,17 @@
}
/*************************************************************************/
/* */
/* <Function> */
/* ft_close_stream_by_free */
/* */
/* <Description> */
/* The function to close a stream which is created by ft_alloc. */
/* */
/* <Input> */
/* stream :: A pointer to the stream object. */
/* */
/**************************************************************************
*
* @Function:
* ft_close_stream_by_free
*
* @Description:
* The function to close a stream which is created by ft_alloc.
*
* @Input:
* stream :: A pointer to the stream object.
*/
FT_CALLBACK_DEF( void )
ft_close_stream_by_free( FT_Stream stream )
{
@ -191,9 +208,10 @@
FT_Stream_Open( FT_Stream stream,
const char* filepathname )
{
HANDLE file;
HANDLE fm;
LARGE_INTEGER size;
HANDLE file;
HANDLE fm;
LARGE_INTEGER size;
if ( !stream )
return FT_THROW( Invalid_Stream_Handle );
@ -201,14 +219,14 @@
/* open the file */
file = CreateFileA( filepathname, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 );
if (file == INVALID_HANDLE_VALUE)
if ( file == INVALID_HANDLE_VALUE )
{
FT_ERROR(( "FT_Stream_Open:" ));
FT_ERROR(( " could not open `%s'\n", filepathname ));
return FT_THROW( Cannot_Open_Resource );
}
if ( GetFileSizeEx(file, &size) == FALSE )
if ( GetFileSizeEx( file, &size ) == FALSE )
{
FT_ERROR(( "FT_Stream_Open:" ));
FT_ERROR(( " could not retrieve size of file `%s'\n", filepathname ));
@ -229,8 +247,8 @@
goto Fail_Open;
}
fm = CreateFileMapping(file, NULL, PAGE_READONLY, 0, 0, NULL);
if (fm == NULL)
fm = CreateFileMapping( file, NULL, PAGE_READONLY, 0, 0, NULL );
if ( fm == NULL )
{
FT_ERROR(( "FT_Stream_Open: can not map file\n" ));
goto Fail_Open;
@ -241,14 +259,17 @@
/* a size greater than LONG_MAX */
stream->size = size.LowPart;
stream->pos = 0;
stream->base = (unsigned char *)MapViewOfFile(fm, FILE_MAP_READ, 0, 0, 0);
stream->base = (unsigned char *)
MapViewOfFile( fm, FILE_MAP_READ, 0, 0, 0 );
CloseHandle( fm );
CloseHandle(fm);
if ( stream->base != NULL )
stream->close = ft_close_stream_by_munmap;
else
{
DWORD total_read_count;
DWORD total_read_count;
FT_ERROR(( "FT_Stream_Open:" ));
FT_ERROR(( " could not `mmap' file `%s'\n", filepathname ));
@ -265,7 +286,8 @@
total_read_count = 0;
do
{
DWORD read_count;
DWORD read_count;
if ( ReadFile( file,
stream->base + total_read_count,