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/** @file
Global data for the program environment.
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Uefi.h>
#include <Library/ShellLib.h>
#include <limits.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include "Efi/Console.h"
/* ################## Type Declarations ################################# */
/** The type of an atexit handler function. **/
typedef void __xithandler_t(void);
/* ################## Global Declarations ############################### */
#ifndef TYPE_BIT
#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
#endif /* !defined TYPE_BIT */
#ifndef TYPE_SIGNED
#define TYPE_SIGNED(type) (((type) -1) < 0)
#endif /* !defined TYPE_SIGNED */
#ifndef INT_STRLEN_MAXIMUM
/*
** 302 / 1000 is log10(2.0) rounded up.
** Subtract one for the sign bit if the type is signed;
** add one for integer division truncation;
** add one more for a minus sign if the type is signed.
*/
#define INT_STRLEN_MAXIMUM(type) \
((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
#endif /* !defined INT_STRLEN_MAXIMUM */
/*
** Big enough for something such as
** ??? ???-2147483648 -2147483648:-2147483648:-2147483648 -2147483648\n
** (two three-character abbreviations, five strings denoting integers,
** three explicit spaces, two explicit colons, a newline,
** and a trailing ASCII nul).
*/
#define ASCTIME_BUFLEN (3 * 2 + 5 * INT_STRLEN_MAXIMUM(int) + 3 + 2 + 1 + 1)
struct __filedes {
EFI_FILE_HANDLE FileHandle;
UINT32 State; // In use if non-zero
int Oflags; // From the open call
int Omode; // From the open call
int RefCount; // Reference count of opens
int SocProc; // Placeholder: socket owner process or process group.
UINT16 MyFD; // Which FD this is.
};
struct __MainData {
// File descriptors
struct __filedes fdarray[OPEN_MAX];
// Low-level File abstractions for the stdin, stdout, stderr streams
ConInstance StdIo[3];
// Signal Handlers
__sighandler_t *sigarray[SIG_LAST]; // Pointers to signal handlers
void (*cleanup)(void); // Cleanup Function Pointer
__xithandler_t *atexit_handler[ATEXIT_MAX]; // Array of handlers for atexit.
clock_t AppStartTime; // Set in Main.c and used for time.h
clock_t ClocksPerSecond; // Set in Main.c and used for time.h
int num_atexit; ///< Number of registered atexit handlers.
CHAR16 UString[UNICODE_STRING_MAX];
struct tm BDTime; // Broken-down time structure for localtime.
EFI_TIME TimeBuffer; // Used by <time.h>mk
char ASgetenv[ASCII_STRING_MAX]; // Only modified by getenv
char ASasctime[ASCTIME_BUFLEN]; // Only modified by asctime
BOOLEAN aborting; // Ensures cleanup function only called once when aborting.
};
extern struct __MainData *gMD;
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