hook_crt_open_file.c File Reference

#include "hooks_private.h"
#include "sidecar_private.h"
#include <dttr_config.h>
#include <dttr_log.h>
#include <dttr_path.h>
#include <dttr_pcdogs.h>
#include <dttr_sdl.h>
#include <SDL3/SDL.h>
#include <sds.h>
#include <sys/stat.h>
#include <windows.h>

Go to the source code of this file.

Macros
#define	IS_READ_ONLY_MODE(m)

Functions
static DTTR_PCDOGS_T_File_Handle *	file_open_with_mode (const char *path, const char *mode, uint8_t sharing_flag)
static bool	is_relative_path (const char *path)
static bool	mode_wants_write (const char *mode)
static void	create_dir_if_set (const char *path)
static void	build_saves_dir (char *buf, size_t buf_size)
static void	build_save_slot_dir (char *buf, size_t buf_size)
static void	ensure_save_dir ()
static const char *	redirect_path (const char *path, char *buf, size_t buf_size, const char *mode)
static DTTR_PCDOGS_T_File_Handle *	report_file_open_failure (const char *path, const char *mode)
static DTTR_PCDOGS_T_File_Handle *	try_fix_permissions (const char *path, const char *mode)
static DTTR_PCDOGS_T_File_Handle *	try_open_read_path (const char *path, const char *mode)
DTTR_PCDOGS_T_File_Handle *	dttr_crt_hook_open_file_callback (const char *path, const char *mode)

Variables
static bool	redirect_saves_initialized = false

Macro Definition Documentation

IS_READ_ONLY_MODE

#define IS_READ_ONLY_MODE

(

m

)

Value:

((m) && (m)[0] == 'r' && !strchr((m), '+'))

Definition at line 14 of file hook_crt_open_file.c.

Referenced by dttr_crt_hook_open_file_callback(), and redirect_path().

Function Documentation

build_save_slot_dir()

void build_save_slot_dir ( char * buf, size_t buf_size )

static

Definition at line 84 of file hook_crt_open_file.c.

References build_saves_dir(), dttr_exe_hash, DTTR_Path_AppendSegment(), and DTTR_Path_CopySds().

Referenced by ensure_save_dir(), and redirect_path().

build_saves_dir()

void build_saves_dir ( char * buf, size_t buf_size )

static

Definition at line 63 of file hook_crt_open_file.c.

References dttr_config, dttr_loader_dir, DTTR_Path_AppendSegment(), DTTR_Path_CopySds(), is_relative_path(), and NULL.

Referenced by build_save_slot_dir(), and ensure_save_dir().

create_dir_if_set()

void create_dir_if_set ( const char * path )

static

Definition at line 56 of file hook_crt_open_file.c.

References NULL.

Referenced by ensure_save_dir().

dttr_crt_hook_open_file_callback()

DTTR_PCDOGS_T_File_Handle * dttr_crt_hook_open_file_callback	(	const char *	path,
		const char *	mode )

Definition at line 248 of file hook_crt_open_file.c.

References DTTR_LOG_ERROR, file_open_with_mode(), IS_READ_ONLY_MODE, mode_wants_write(), redirect_path(), report_file_open_failure(), try_fix_permissions(), and try_open_read_path().

Referenced by dttr_game_hooks_init().

ensure_save_dir()

void ensure_save_dir ( )

static

Definition at line 97 of file hook_crt_open_file.c.

References build_save_slot_dir(), build_saves_dir(), create_dir_if_set(), and redirect_saves_initialized.

Referenced by redirect_path().

file_open_with_mode()

DTTR_PCDOGS_T_File_Handle * file_open_with_mode ( const char * path, const char * mode, uint8_t sharing_flag )

static

Definition at line 17 of file hook_crt_open_file.c.

References DTTR_LOG_ERROR, DTTR_PCDOGS_F_File_OpenWithMode, DTTR_ResultOK(), dttr_sidecar_result_detail(), dttr_sidecar_runtime_context(), and NULL.

Referenced by dttr_crt_hook_open_file_callback(), try_fix_permissions(), and try_open_read_path().

is_relative_path()

bool is_relative_path ( const char * path )

static

Definition at line 44 of file hook_crt_open_file.c.

References DTTR_Path_IsSafeRelative().

Referenced by build_saves_dir(), and redirect_path().

mode_wants_write()

bool mode_wants_write ( const char * mode )

static

Definition at line 49 of file hook_crt_open_file.c.

Referenced by dttr_crt_hook_open_file_callback(), and try_fix_permissions().

redirect_path()

const char * redirect_path ( const char * path, char * buf, size_t buf_size, const char * mode )

static

Definition at line 113 of file hook_crt_open_file.c.

References build_save_slot_dir(), dttr_config, DTTR_LOG_DEBUG, DTTR_Path_AppendSegment(), DTTR_Path_CopySds(), DTTR_Path_ExactExists(), ensure_save_dir(), IS_READ_ONLY_MODE, and is_relative_path().

Referenced by dttr_crt_hook_open_file_callback().

report_file_open_failure()

DTTR_PCDOGS_T_File_Handle * report_file_open_failure ( const char * path, const char * mode )

static

Definition at line 148 of file hook_crt_open_file.c.

References DTTR_SDL_ShowSimpleMessageBox(), and NULL.

Referenced by dttr_crt_hook_open_file_callback().

try_fix_permissions()

DTTR_PCDOGS_T_File_Handle * try_fix_permissions ( const char * path, const char * mode )

static

Definition at line 166 of file hook_crt_open_file.c.

References DTTR_LOG_DEBUG, DTTR_LOG_ERROR, DTTR_SDL_ShowMessageBox(), file_open_with_mode(), mode_wants_write(), and NULL.

Referenced by dttr_crt_hook_open_file_callback().

try_open_read_path()

DTTR_PCDOGS_T_File_Handle * try_open_read_path ( const char * path, const char * mode )

static

Definition at line 230 of file hook_crt_open_file.c.

References dttr_game_data_resolve_existing_read_path(), dttr_game_data_resolve_read_path(), DTTR_LOG_DEBUG, file_open_with_mode(), and NULL.

Referenced by dttr_crt_hook_open_file_callback().

Variable Documentation

redirect_saves_initialized

bool redirect_saves_initialized = false

static

Definition at line 53 of file hook_crt_open_file.c.

Referenced by ensure_save_dir().