SRC/misc.c File Reference

Detailed Description

Module for various things:

host/network order (little/big endian) swapping of bytes.
initialise PEEK/POKE macros.
allocate transfer buffer for DOSX targets.
address validation for DOSX targets.
simple range limited random routine.
ffs routine to find the first bit set.
initialise memory-debugger (Fortify/CrtDbg)
stack checker exit routine for Borland/Watcom.

Definition in file misc.c.

Go to the source code of this file.

Data Structures

struct on_exit

Register an on-exit function. More...

struct cmd_block

Run a COMMAND.COM/4DOS external/internal command. More...

Functions

void setup_dos_xfer_buf (void)

void is_in_stack_init (void)

STATIC int setup_stk_check (void)

void cdecl _fatal_runtime_error (UINT stk)

void cdecl _fatal_runtime_error_ (UINT stk)

void (__cdecl *_aaltstkovr)(void)

void stk_overflow (void _far *where)

STATIC void test_stk_check (void)

unsigned long cdecl _w32_intel (unsigned long val)

Convert 32-bit big-endian (network order) to intel (host order) format.

unsigned short cdecl _w32_intel16 (unsigned short val)

Convert 16-bit big-endian (network order) to intel (host order) format.

void patch_with_bswap (void)

DWORD get_day_num (void)

Simplified method of getting days since 1970-01-01.

BOOL RDTSC_enabled (void)

BOOL check_reg_struct (void)

void init_misc (void)

Initialise various stuff.

void exit_misc (void)

Called from sock_exit() to clear up things done here.

FILE * fopen_excl (const char *file, const char *mode)

WIN32: Open an existing file (or create) in share-mode but deny other processes to write to the file.

int list_compare (const struct on_exit *a, const struct on_exit *b)

int rundown_add (void(*func)(void), const char *name, int order, const char *file, unsigned line)

Register a function to be called from sock_exit().

void rundown_run (void)

Run the registered and sorted exit_list[] functions.

void rundown_dump (void)

Dump 'exit_list[]' list.

_CRTIMP _CRT_REPORT_HOOK __cdecl _CrtSetReportHook2 (int, _CRT_REPORT_HOOK)

void __cdecl crtdbg_exit (void)

const char * report_name (int type)

void __cdecl crtdbg_dump (const void *buf, size_t len)

int __cdecl crtdbg_report (int type, char *message, int *ret_val)

void memdbg_init (void)

void fortify_report (void)

Report routine for Fortify.

void assert_fail (const char *file, unsigned line, const char *what)

Print an assert fail and store the text for later.

unsigned Random (unsigned a, unsigned b)

Returns a random integer in range [a..b].

void RandomWait (unsigned a, unsigned b)

Wait for a random period in range [a..b] millisec.

void Wait (unsigned msec)

Not all vendors have delay().

const char * dos_extender_name (void)

void os_yield (void)

BOOL watt_check_break (void)

int watt_kbhit (void)

A less CPU hogging kbhit().

const char * list_lookup (DWORD type, const struct search_list *list, int num)

Search 'list' for 'type' and return it's name.

const char * list_lookupX (DWORD type, const struct search_list *list, int num)

const char * MAC_address (const void *addr)

Return hexa-decimal string for an 6/7 byte MAC-address.

void unfinished (const char *func, const char *file, unsigned line)

const char * dword_str (DWORD val)

Return nicely formatted string "xx,xxx,xxx" with thousand separators (left adjusted).

DWORD get_ds_limit (void)

DWORD get_cs_limit (void)

DWORD get_ss_limit (void)

unsigned dj_end asm ("end")

unsigned get_frame_size (const char *x)

BOOL is_in_stack (const void *ptr)

unsigned used_stack (void)

BOOL valid_addr (const void *addr, unsigned len)

void free_selector (void)

int _w32_ffs (int i)

void watt_large_check (const void *sock, int size, const char *file, unsigned line)

BOOL is_big_endian (void)

BOOL shell_exec (const char *cmd)

void _w32_intr (int int_no, IREGS *reg)

Microsoft/Digital Mars doesn't have intr() so we make our own.

STATIC void stk_overflow (WORD ret_addr)

void stk_overflow (UINT ret_addr)

int stk_check_setup (void)

void stk_overflow (WORD cs, UINT eip)

void FATAL_HANDLER (UINT stk)

BOOL get_mem_strat (BYTE *strat)

BOOL set_mem_strat (BYTE strat)

void foo_10 (void)

void foo_20 (void)

void foo_30 (void)

void foo_40 (void)

void foo_50 (void)

void foo_60 (void)

void foo_70 (void)

int main (void)

Variables

const char hex_chars_lower [] = "0123456789abcdef"

const char hex_chars_upper [] = "0123456789ABCDEF"

BOOL win32_dos_box = FALSE

BOOL _watt_fatal_error = FALSE

WORD _watt_os_ver = 0x622

char _watt_assert_buf [256]

int num_exit_func_inserts = 0

int _w32_errno = 0

int __bss_count = 0

FARPTR _watt_dosFp

_CPUID lcc_cpuid

char cdecl x86_type = 5

char cdecl x86_vendor_id [13]

DWORD cdecl x86_capability

char cdecl __begtext

UINT cdecl _x386_stacklow

char * dummy_fatal_rte = (char*)&FATAL_HANDLER

const BYTE bswap32 []

const BYTE bswap16 []

on_exit exit_list [40]

_CrtMemState last_state

THREADLOCAL const char * stack_bottom = 0

unsigned _stklen

unsigned __djgpp_stack_limit

REALPTR _watt_dosTbr = 0

DWORD _watt_dosTbSize = 0

WORD rm_seg = 0

WORD _watt_dosTbSeg = 0

WORD _watt_dosTbSel = 0

WORD _watt_dos_ds

int __brklvl

Function Documentation

unsigned long cdecl _w32_intel ( unsigned long val )

Convert 32-bit big-endian (network order) to intel (host order) format.
Or vice-versa. These are cdecl incase we patch them. Definition at line 145 of file misc.c.

unsigned short cdecl _w32_intel16 ( unsigned short val )

Convert 16-bit big-endian (network order) to intel (host order) format.
Or vice-versa Definition at line 157 of file misc.c.

int __cdecl crtdbg_report ( int type,

char * message,

int * ret_val

) [static]

<
Todo:
make a stack dumper
Definition at line 617 of file misc.c.

FILE* fopen_excl ( const char * file,

const char * mode

)

WIN32: Open an existing file (or create) in share-mode but deny other processes to write to the file.
On Watcom, fopen() already seems to open with SH_DENYWR internally. DOS/Watcom: simply call fopen(). Definition at line 441 of file misc.c.

void fortify_report ( void ) [static]

Report routine for Fortify.
Report memory statistics and leaks done in this scope (the core API level). BSD socket API sets it's own scope with reporting done in sock_fortify_exit(). Definition at line 688 of file misc.c.

DWORD get_day_num ( void )

Simplified method of getting days since 1970-01-01.
Don't use time() since it will probably link in sprintf(). We don't need accuracy. Only a reference for sock_stats(). Definition at line 198 of file misc.c.
References DWORD.

void init_misc ( void )

Initialise various stuff.

Todo:
Definition at line 322 of file misc.c.
References _watt_assert_buf, _watt_dosFp, _watt_os_ver, DWORD, has_rdtsc, init_timers(), and win32_dos_box.

const char* MAC_address ( const void * addr )

Return hexa-decimal string for an 6/7 byte MAC-address.
Use 2 buffers in round-robin. Definition at line 935 of file misc.c.
References _pktdevclass.

Variable Documentation

char _watt_assert_buf[256]

Print this in dbug_exit() Definition at line 55 of file misc.c.

FARPTR _watt_dosFp

Todo:
detect program restarts
Definition at line 69 of file misc.c.

BOOL _watt_fatal_error = FALSE

We're exiting via an exception handler Definition at line 53 of file misc.c.

WORD _watt_os_ver = 0x622

True DOS/WinNT version MSB.LSB Definition at line 54 of file misc.c.

const BYTE bswap16[] [static]

Initial value:
{ 0x8B,0x44,0x24,0x04, 0x0F,0xC8, 0xC1,0xE8,0x10, 0xC3 }
Definition at line 169 of file misc.c.

const BYTE bswap32[] [static]

Initial value:
{ 0x8B,0x44,0x24,0x04, 0x0F,0xC8, 0xC3 }
Definition at line 163 of file misc.c.

BOOL win32_dos_box = FALSE

Running under Windows DOS-box Definition at line 52 of file misc.c.

Generated on Wed Aug 4 08:55:56 2010 for Watt-32 tcp/ip by

1.3.8


Data Structures
struct	on_exit
	Register an on-exit function. More...
struct	cmd_block
	Run a COMMAND.COM/4DOS external/internal command. More...
Functions
void	setup_dos_xfer_buf (void)
void	is_in_stack_init (void)
STATIC int	setup_stk_check (void)
void cdecl	_fatal_runtime_error (UINT stk)
void cdecl	_fatal_runtime_error_ (UINT stk)
	void (__cdecl *_aaltstkovr)(void)
void	stk_overflow (void _far *where)
STATIC void	test_stk_check (void)
unsigned long cdecl	_w32_intel (unsigned long val)
	Convert 32-bit big-endian (network order) to intel (host order) format.
unsigned short cdecl	_w32_intel16 (unsigned short val)
	Convert 16-bit big-endian (network order) to intel (host order) format.
void	patch_with_bswap (void)
DWORD	get_day_num (void)
	Simplified method of getting days since 1970-01-01.
BOOL	RDTSC_enabled (void)
BOOL	check_reg_struct (void)
void	init_misc (void)
	Initialise various stuff.
void	exit_misc (void)
	Called from sock_exit() to clear up things done here.
FILE *	fopen_excl (const char file, const char mode)
	WIN32: Open an existing file (or create) in share-mode but deny other processes to write to the file.
int	list_compare (const struct on_exit a, const struct on_exit b)
int	rundown_add (void(func)(void), const char name, int order, const char *file, unsigned line)
	Register a function to be called from sock_exit().
void	rundown_run (void)
	Run the registered and sorted exit_list[] functions.
void	rundown_dump (void)
	Dump 'exit_list[]' list.
_CRTIMP _CRT_REPORT_HOOK __cdecl	_CrtSetReportHook2 (int, _CRT_REPORT_HOOK)
void __cdecl	crtdbg_exit (void)
const char *	report_name (int type)
void __cdecl	crtdbg_dump (const void *buf, size_t len)
int __cdecl	crtdbg_report (int type, char message, int ret_val)
void	memdbg_init (void)
void	fortify_report (void)
	Report routine for Fortify.
void	assert_fail (const char file, unsigned line, const char what)
	Print an assert fail and store the text for later.
unsigned	Random (unsigned a, unsigned b)
	Returns a random integer in range [a..b].
void	RandomWait (unsigned a, unsigned b)
	Wait for a random period in range [a..b] millisec.
void	Wait (unsigned msec)
	Not all vendors have delay().
const char *	dos_extender_name (void)
void	os_yield (void)
BOOL	watt_check_break (void)
int	watt_kbhit (void)
	A less CPU hogging kbhit().
const char *	list_lookup (DWORD type, const struct search_list *list, int num)
	Search 'list' for 'type' and return it's name.
const char *	list_lookupX (DWORD type, const struct search_list *list, int num)
const char *	MAC_address (const void *addr)
	Return hexa-decimal string for an 6/7 byte MAC-address.
void	unfinished (const char func, const char file, unsigned line)
const char *	dword_str (DWORD val)
	Return nicely formatted string "xx,xxx,xxx" with thousand separators (left adjusted).
DWORD	get_ds_limit (void)
DWORD	get_cs_limit (void)
DWORD	get_ss_limit (void)
unsigned dj_end	asm ("end")
unsigned	get_frame_size (const char *x)
BOOL	is_in_stack (const void *ptr)
unsigned	used_stack (void)
BOOL	valid_addr (const void *addr, unsigned len)
void	free_selector (void)
int	_w32_ffs (int i)
void	watt_large_check (const void sock, int size, const char file, unsigned line)
BOOL	is_big_endian (void)
BOOL	shell_exec (const char *cmd)
void	_w32_intr (int int_no, IREGS *reg)
	Microsoft/Digital Mars doesn't have intr() so we make our own.
STATIC void	stk_overflow (WORD ret_addr)
void	stk_overflow (UINT ret_addr)
int	stk_check_setup (void)
void	stk_overflow (WORD cs, UINT eip)
void	FATAL_HANDLER (UINT stk)
BOOL	get_mem_strat (BYTE *strat)
BOOL	set_mem_strat (BYTE strat)
void	foo_10 (void)
void	foo_20 (void)
void	foo_30 (void)
void	foo_40 (void)
void	foo_50 (void)
void	foo_60 (void)
void	foo_70 (void)
int	main (void)
Variables
const char	hex_chars_lower [] = "0123456789abcdef"
const char	hex_chars_upper [] = "0123456789ABCDEF"
BOOL	win32_dos_box = FALSE
BOOL	_watt_fatal_error = FALSE
WORD	_watt_os_ver = 0x622
char	_watt_assert_buf [256]
int	num_exit_func_inserts = 0
int	_w32_errno = 0
int	__bss_count = 0
FARPTR	_watt_dosFp
_CPUID	lcc_cpuid
char cdecl	x86_type = 5
char cdecl	x86_vendor_id [13]
DWORD cdecl	x86_capability
char cdecl	__begtext
UINT cdecl	_x386_stacklow
char *	dummy_fatal_rte = (char*)&FATAL_HANDLER
const BYTE	bswap32 []
const BYTE	bswap16 []
on_exit	exit_list [40]
_CrtMemState	last_state
THREADLOCAL const char *	stack_bottom = 0
unsigned	_stklen
unsigned	__djgpp_stack_limit
REALPTR	_watt_dosTbr = 0
DWORD	_watt_dosTbSize = 0
WORD	rm_seg = 0
WORD	_watt_dosTbSeg = 0
WORD	_watt_dosTbSel = 0
WORD	_watt_dos_ds
int	__brklvl