[u/mdw/putty] / putty.h

#ifndef PUTTY_PUTTY_H
#define PUTTY_PUTTY_H

#define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"

/*
 * Global variables. Most modules declare these `extern', but
 * window.c will do `#define PUTTY_DO_GLOBALS' before including this
 * module, and so will get them properly defined.
 */
#ifdef PUTTY_DO_GLOBALS
#define GLOBAL
#else
#define GLOBAL extern
#endif

GLOBAL HINSTANCE putty_inst;

#define ATTR_ACTCURS 0x80000000UL      /* active cursor (block) */
#define ATTR_PASCURS 0x40000000UL      /* passive cursor (box) */
#define ATTR_INVALID 0x20000000UL
#define ATTR_WRAPPED 0x10000000UL

#define LATTR_NORM   0x00000000UL
#define LATTR_WIDE   0x01000000UL
#define LATTR_TOP    0x02000000UL
#define LATTR_BOT    0x03000000UL
#define LATTR_MODE   0x03000000UL

#define ATTR_ASCII   0x00000000UL      /* normal ASCII charset ESC ( B */
#define ATTR_GBCHR   0x00100000UL      /* UK variant   charset ESC ( A */
#define ATTR_LINEDRW 0x00200000UL      /* line drawing charset ESC ( 0 */

#define ATTR_BOLD    0x00000100UL
#define ATTR_UNDER   0x00000200UL
#define ATTR_REVERSE 0x00000400UL
#define ATTR_BLINK   0x00000800UL
#define ATTR_FGMASK  0x0000F000UL
#define ATTR_BGMASK  0x000F0000UL
#define ATTR_FGSHIFT 12
#define ATTR_BGSHIFT 16

#define ATTR_DEFAULT 0x00098000UL
#define ATTR_DEFFG   0x00008000UL
#define ATTR_DEFBG   0x00090000UL
#define ATTR_CUR_XOR 0x000BA000UL
#define ERASE_CHAR   (ATTR_DEFAULT | ' ')
#define ATTR_MASK    0xFFFFFF00UL
#define CHAR_MASK    0x000000FFUL

typedef HDC Context;
#define SEL_NL { 13, 10 }

GLOBAL int rows, cols, savelines;

GLOBAL int font_width, font_height;

#define c_write1(_C) do { if (inbuf_head >= INBUF_SIZE) term_out(); \
			  inbuf[inbuf_head++] = (_C) ; } while(0)
#define INBUF_SIZE 2048
GLOBAL unsigned char inbuf[INBUF_SIZE];
GLOBAL int inbuf_head;

#define OUTBUF_SIZE 2048
#define OUTBUF_MASK (OUTBUF_SIZE-1)
GLOBAL unsigned char outbuf[OUTBUF_SIZE];
GLOBAL int outbuf_head, outbuf_reap;

GLOBAL int has_focus;

GLOBAL int app_cursor_keys, app_keypad_keys, vt52_mode;
GLOBAL int repeat_off, cr_lf_return;

GLOBAL int seen_key_event;
GLOBAL int seen_disp_event;

GLOBAL int session_closed;

GLOBAL char *logfile;

/*
 * I've just looked in the windows standard headr files for WM_USER, there
 * are hundreds of flags defined using the form WM_USER+123 so I've 
 * renumbered this NETEVENT value and the two in window.c
 */
#define WM_XUSER     (WM_USER + 0x2000)
#define WM_NETEVENT  (WM_XUSER + 5)

typedef enum {
    TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
    TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO
} Telnet_Special;

typedef enum {
    MB_NOTHING, MB_SELECT, MB_EXTEND, MB_PASTE
} Mouse_Button;

typedef enum {
    MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
} Mouse_Action;

typedef enum {
    VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN
} VT_Mode;

typedef struct {
    char *(*init) (HWND hwnd, char *host, int port, char **realhost);
    int (*msg) (WPARAM wParam, LPARAM lParam);
    void (*send) (char *buf, int len);
    void (*size) (void);
    void (*special) (Telnet_Special code);
    SOCKET (*socket) (void);
    int (*sendok) (void);
} Backend;

GLOBAL Backend *back;

extern struct backend_list {
    int protocol;
    char *name;
    Backend *backend;
} backends[];

typedef struct {
    void (*send) (char *buf, int len);
} Ldisc;

GLOBAL Ldisc *ldisc;

typedef struct {
    /* Basic options */
    char host[512];
    int port;
    enum { PROT_RAW, PROT_TELNET, PROT_SSH } protocol;
    int close_on_exit;
    int warn_on_close;
    /* SSH options */
    char remote_cmd[512];
    int nopty;
    enum { CIPHER_3DES, CIPHER_BLOWFISH, CIPHER_DES } cipher;
    char keyfile[FILENAME_MAX];
    int try_tis_auth;
    /* Telnet options */
    char termtype[32];
    char termspeed[32];
    char environmt[1024];                    /* VAR\tvalue\0VAR\tvalue\0\0 */
    char username[32];
    int rfc_environ;
    /* Keyboard options */
    int bksp_is_delete;
    int rxvt_homeend;
    int funky_type;
    int app_cursor;
    int app_keypad;
    int nethack_keypad;
    int alt_f4;			       /* is it special? */
    int alt_space;		       /* is it special? */
    int ldisc_term;
    int scroll_on_key;
    /* Terminal options */
    int savelines;
    int dec_om;
    int wrap_mode;
    int lfhascr;
    int blink_cur;
    int beep;
    int scrollbar;
    int locksize;
    int bce;
    int blinktext;
    int win_name_always;
    int width, height;
    char font[64];
    int fontisbold;
    int fontheight;
    int fontcharset;
    /* Colour options */
    int try_palette;
    int bold_colour;
    unsigned char colours[22][3];
    /* Selection options */
    int mouse_is_xterm;
    short wordness[256];
    /* translations */
    VT_Mode vtmode;
    int xlat_enablekoiwin;
    int xlat_88592w1250;
    int xlat_capslockcyr;
} Config;

/*
 * You can compile with -DSSH_DEFAULT to have ssh by default.
 */
#ifndef SSH_DEFAULT
#define DEFAULT_PROTOCOL PROT_TELNET
#define DEFAULT_PORT 23
#else
#define DEFAULT_PROTOCOL PROT_SSH
#define DEFAULT_PORT 22
#endif

/*
 * Some global flags denoting the type of application.
 */
#define FLAG_VERBOSE  0x0001
#define FLAG_WINDOWED 0x0002
#define FLAG_CONNECTION 0x0004
GLOBAL int flags;

GLOBAL Config cfg;
GLOBAL int default_protocol;
GLOBAL int default_port;

struct RSAKey;			       /* be a little careful of scope */

/*
 * Exports from window.c.
 */
void request_resize (int, int, int);
void do_text (Context, int, int, char *, int, unsigned long, int);
void set_title (char *);
void set_icon (char *);
void set_sbar (int, int, int);
Context get_ctx(void);
void free_ctx (Context);
void palette_set (int, int, int, int);
void palette_reset (void);
void write_clip (void *, int);
void get_clip (void **, int *);
void optimised_move (int, int, int);
void fatalbox (char *, ...);
void beep (int);
#define OPTIMISE_IS_SCROLL 1

/*
 * Exports from noise.c.
 */
void noise_get_heavy(void (*func) (void *, int));
void noise_get_light(void (*func) (void *, int));
void noise_ultralight(DWORD data);
void random_save_seed(void);

/*
 * Exports from windlg.c.
 */
int do_config (void);
int do_reconfig (HWND);
void do_defaults (char *);
void logevent (char *);
void showeventlog (HWND);
void showabout (HWND);
void verify_ssh_host_key(char *host, char *keystr);
void get_sesslist(int allocate);

GLOBAL int nsessions;
GLOBAL char **sessions;

/*
 * Exports from terminal.c.
 */

void term_init (void);
void term_size (int, int, int);
void term_out (void);
void term_paint (Context, int, int, int, int);
void term_scroll (int, int);
void term_pwron (void);
void term_clrsb (void);
void term_mouse (Mouse_Button, Mouse_Action, int, int);
void term_deselect (void);
void term_update (void);
void term_invalidate(void);
void term_blink(int set_cursor);
void term_paste(void);
void term_nopaste(void);

/*
 * Exports from raw.c.
 */

extern Backend raw_backend;

/*
 * Exports from telnet.c.
 */

extern Backend telnet_backend;

/*
 * Exports from ssh.c.
 */

extern Backend ssh_backend;

/*
 * Exports from ldisc.c.
 */

extern Ldisc ldisc_term, ldisc_simple;

/*
 * Exports from sshrand.c.
 */

void random_add_noise(void *noise, int length);
void random_init(void);
int random_byte(void);
void random_get_savedata(void **data, int *len);

/*
 * Exports from misc.c.
 */

/* #define MALLOC_LOG  do this if you suspect putty of leaking memory */
#ifdef MALLOC_LOG
#define smalloc(z) (mlog(__FILE__,__LINE__), safemalloc(z))
#define srealloc(y,z) (mlog(__FILE__,__LINE__), saferealloc(y,z))
#define sfree(z) (mlog(__FILE__,__LINE__), safefree(z))
void mlog(char *, int);
#else
#define smalloc safemalloc
#define srealloc saferealloc
#define sfree safefree
#endif

void *safemalloc(size_t);
void *saferealloc(void *, size_t);
void safefree(void *);

/*
 * Exports from version.c.
 */
extern char ver[];

/*
 * Exports from sizetip.c.
 */
void UpdateSizeTip(HWND src, int cx, int cy);
void EnableSizeTip(int bEnable);

/*
 * Exports from xlat.c.
 */
unsigned char xlat_kbd2tty(unsigned char c);
unsigned char xlat_tty2scr(unsigned char c);
unsigned char xlat_latkbd2win(unsigned char c);

/*
 * Exports from mscrypto.c
 */
#ifdef MSCRYPTOAPI
int crypto_startup();
void crypto_wrapup();
#endif

/*
 * A debug system.
 */
#ifdef DEBUG
#include <stdarg.h>
#define debug(x) (dprintf x)
static void dprintf(char *fmt, ...) {
    char buf[2048];
    DWORD dw;
    va_list ap;
    static int gotconsole = 0;

    if (!gotconsole) {
	AllocConsole();
	gotconsole = 1;
    }

    va_start(ap, fmt);
    vsprintf(buf, fmt, ap);
    WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), buf, strlen(buf), &dw, NULL);
    va_end(ap);
}
#else
#define debug(x)
#endif

#endif
Commit	Line	Data
374330e2	1	#ifndef PUTTY_PUTTY_H
	2	#define PUTTY_PUTTY_H
	3
	4	#define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
	5
	6	/*
	7	* Global variables. Most modules declare these `extern', but
	8	* window.c will do `#define PUTTY_DO_GLOBALS' before including this
	9	* module, and so will get them properly defined.
	10	*/
	11	#ifdef PUTTY_DO_GLOBALS
	12	#define GLOBAL
	13	#else
	14	#define GLOBAL extern
	15	#endif
	16
73251d5d	17	GLOBAL HINSTANCE putty_inst;
73251d5d	18
374330e2	19	#define ATTR_ACTCURS 0x80000000UL /* active cursor (block) */
	20	#define ATTR_PASCURS 0x40000000UL /* passive cursor (box) */
	21	#define ATTR_INVALID 0x20000000UL
	22	#define ATTR_WRAPPED 0x10000000UL
	23
c9def1b8	24	#define LATTR_NORM 0x00000000UL
	25	#define LATTR_WIDE 0x01000000UL
	26	#define LATTR_TOP 0x02000000UL
	27	#define LATTR_BOT 0x03000000UL
	28	#define LATTR_MODE 0x03000000UL
	29
374330e2	30	#define ATTR_ASCII 0x00000000UL /* normal ASCII charset ESC ( B */
	31	#define ATTR_GBCHR 0x00100000UL /* UK variant charset ESC ( A */
	32	#define ATTR_LINEDRW 0x00200000UL /* line drawing charset ESC ( 0 */
	33
	34	#define ATTR_BOLD 0x00000100UL
	35	#define ATTR_UNDER 0x00000200UL
	36	#define ATTR_REVERSE 0x00000400UL
e14a5a13	37	#define ATTR_BLINK 0x00000800UL
374330e2	38	#define ATTR_FGMASK 0x0000F000UL
	39	#define ATTR_BGMASK 0x000F0000UL
	40	#define ATTR_FGSHIFT 12
	41	#define ATTR_BGSHIFT 16
	42
	43	#define ATTR_DEFAULT 0x00098000UL
	44	#define ATTR_DEFFG 0x00008000UL
	45	#define ATTR_DEFBG 0x00090000UL
	46	#define ATTR_CUR_XOR 0x000BA000UL
	47	#define ERASE_CHAR (ATTR_DEFAULT \| ' ')
	48	#define ATTR_MASK 0xFFFFFF00UL
	49	#define CHAR_MASK 0x000000FFUL
	50
	51	typedef HDC Context;
	52	#define SEL_NL { 13, 10 }
	53
	54	GLOBAL int rows, cols, savelines;
	55
	56	GLOBAL int font_width, font_height;
	57
c9def1b8	58	#define c_write1(_C) do { if (inbuf_head >= INBUF_SIZE) term_out(); \
c9def1b8	59	inbuf[inbuf_head++] = (_C) ; } while(0)
374330e2	60	#define INBUF_SIZE 2048
374330e2	61	GLOBAL unsigned char inbuf[INBUF_SIZE];
c9def1b8	62	GLOBAL int inbuf_head;
374330e2	63
	64	#define OUTBUF_SIZE 2048
	65	#define OUTBUF_MASK (OUTBUF_SIZE-1)
	66	GLOBAL unsigned char outbuf[OUTBUF_SIZE];
	67	GLOBAL int outbuf_head, outbuf_reap;
	68
	69	GLOBAL int has_focus;
	70
c9def1b8	71	GLOBAL int app_cursor_keys, app_keypad_keys, vt52_mode;
c9def1b8	72	GLOBAL int repeat_off, cr_lf_return;
374330e2	73
cabfd08c	74	GLOBAL int seen_key_event;
	75	GLOBAL int seen_disp_event;
	76
d85548fe	77	GLOBAL int session_closed;
d85548fe	78
5fd04f07	79	GLOBAL char *logfile;
5fd04f07	80
e14a5a13	81	/*
	82	* I've just looked in the windows standard headr files for WM_USER, there
	83	* are hundreds of flags defined using the form WM_USER+123 so I've
	84	* renumbered this NETEVENT value and the two in window.c
	85	*/
	86	#define WM_XUSER (WM_USER + 0x2000)
	87	#define WM_NETEVENT (WM_XUSER + 5)
374330e2	88
	89	typedef enum {
	90	TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
684d367c	91	TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO
374330e2	92	} Telnet_Special;
	93
	94	typedef enum {
	95	MB_NOTHING, MB_SELECT, MB_EXTEND, MB_PASTE
	96	} Mouse_Button;
	97
	98	typedef enum {
	99	MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
	100	} Mouse_Action;
	101
	102	typedef enum {
	103	VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN
	104	} VT_Mode;
	105
	106	typedef struct {
	107	char (init) (HWND hwnd, char host, int port, char *realhost);
	108	int (*msg) (WPARAM wParam, LPARAM lParam);
	109	void (send) (char buf, int len);
	110	void (*size) (void);
	111	void (*special) (Telnet_Special code);
4017be6d	112	SOCKET (*socket) (void);
8ccc75b0	113	int (*sendok) (void);
374330e2	114	} Backend;
	115
	116	GLOBAL Backend *back;
	117
297d398b	118	extern struct backend_list {
89ee5268	119	int protocol;
	120	char *name;
	121	Backend *backend;
	122	} backends[];
	123
374330e2	124	typedef struct {
5bc238bb	125	void (send) (char buf, int len);
	126	} Ldisc;
	127
	128	GLOBAL Ldisc *ldisc;
	129
	130	typedef struct {
374330e2	131	/* Basic options */
	132	char host[512];
	133	int port;
5e1a8e27	134	enum { PROT_RAW, PROT_TELNET, PROT_SSH } protocol;
374330e2	135	int close_on_exit;
9ef49106	136	int warn_on_close;
fef97f43	137	/* SSH options */
6abbf9e3	138	char remote_cmd[512];
fef97f43	139	int nopty;
9697bfd2	140	enum { CIPHER_3DES, CIPHER_BLOWFISH, CIPHER_DES } cipher;
7cca0d81	141	char keyfile[FILENAME_MAX];
ccbfb941	142	int try_tis_auth;
374330e2	143	/* Telnet options */
	144	char termtype[32];
	145	char termspeed[32];
37508af4	146	char environmt[1024]; /* VAR\tvalue\0VAR\tvalue\0\0 */
374330e2	147	char username[32];
	148	int rfc_environ;
	149	/* Keyboard options */
	150	int bksp_is_delete;
	151	int rxvt_homeend;
c9def1b8	152	int funky_type;
374330e2	153	int app_cursor;
374330e2	154	int app_keypad;
c5e9c988	155	int nethack_keypad;
	156	int alt_f4; /* is it special? */
	157	int alt_space; /* is it special? */
5bc238bb	158	int ldisc_term;
c9def1b8	159	int scroll_on_key;
374330e2	160	/* Terminal options */
	161	int savelines;
	162	int dec_om;
	163	int wrap_mode;
fef97f43	164	int lfhascr;
c9def1b8	165	int blink_cur;
	166	int beep;
	167	int scrollbar;
	168	int locksize;
	169	int bce;
	170	int blinktext;
374330e2	171	int win_name_always;
	172	int width, height;
	173	char font[64];
	174	int fontisbold;
	175	int fontheight;
14963b8f	176	int fontcharset;
374330e2	177	/* Colour options */
	178	int try_palette;
	179	int bold_colour;
	180	unsigned char colours[22][3];
	181	/* Selection options */
	182	int mouse_is_xterm;
	183	short wordness[256];
c9def1b8	184	/* translations */
c9def1b8	185	VT_Mode vtmode;
14963b8f	186	int xlat_enablekoiwin;
d3d16feb	187	int xlat_88592w1250;
14963b8f	188	int xlat_capslockcyr;
374330e2	189	} Config;
374330e2	190
e277c42d	191	/*
	192	* You can compile with -DSSH_DEFAULT to have ssh by default.
	193	*/
	194	#ifndef SSH_DEFAULT
	195	#define DEFAULT_PROTOCOL PROT_TELNET
	196	#define DEFAULT_PORT 23
	197	#else
	198	#define DEFAULT_PROTOCOL PROT_SSH
	199	#define DEFAULT_PORT 22
	200	#endif
	201
4017be6d	202	/*
	203	* Some global flags denoting the type of application.
	204	*/
	205	#define FLAG_VERBOSE 0x0001
	206	#define FLAG_WINDOWED 0x0002
	207	#define FLAG_CONNECTION 0x0004
	208	GLOBAL int flags;
	209
374330e2	210	GLOBAL Config cfg;
e277c42d	211	GLOBAL int default_protocol;
e277c42d	212	GLOBAL int default_port;
374330e2	213
4e23b276	214	struct RSAKey; /* be a little careful of scope */
4e23b276	215
374330e2	216	/*
	217	* Exports from window.c.
	218	*/
e14a5a13	219	void request_resize (int, int, int);
c9def1b8	220	void do_text (Context, int, int, char *, int, unsigned long, int);
374330e2	221	void set_title (char *);
	222	void set_icon (char *);
	223	void set_sbar (int, int, int);
f67b4e85	224	Context get_ctx(void);
374330e2	225	void free_ctx (Context);
	226	void palette_set (int, int, int, int);
	227	void palette_reset (void);
	228	void write_clip (void *, int);
	229	void get_clip (void *, int );
	230	void optimised_move (int, int, int);
	231	void fatalbox (char *, ...);
c9def1b8	232	void beep (int);
374330e2	233	#define OPTIMISE_IS_SCROLL 1
	234
	235	/*
	236	* Exports from noise.c.
	237	*/
	238	void noise_get_heavy(void (func) (void , int));
	239	void noise_get_light(void (func) (void , int));
	240	void noise_ultralight(DWORD data);
	241	void random_save_seed(void);
	242
	243	/*
	244	* Exports from windlg.c.
	245	*/
	246	int do_config (void);
	247	int do_reconfig (HWND);
	248	void do_defaults (char *);
c5e9c988	249	void logevent (char *);
c5e9c988	250	void showeventlog (HWND);
374330e2	251	void showabout (HWND);
89ee5268	252	void verify_ssh_host_key(char host, char keystr);
0a4aa984	253	void get_sesslist(int allocate);
0a4aa984	254
7393a137	255	GLOBAL int nsessions;
7393a137	256	GLOBAL char **sessions;
374330e2	257
	258	/*
	259	* Exports from terminal.c.
	260	*/
	261
	262	void term_init (void);
	263	void term_size (int, int, int);
	264	void term_out (void);
	265	void term_paint (Context, int, int, int, int);
	266	void term_scroll (int, int);
	267	void term_pwron (void);
	268	void term_clrsb (void);
	269	void term_mouse (Mouse_Button, Mouse_Action, int, int);
	270	void term_deselect (void);
	271	void term_update (void);
	272	void term_invalidate(void);
e14a5a13	273	void term_blink(int set_cursor);
c9def1b8	274	void term_paste(void);
c9def1b8	275	void term_nopaste(void);
374330e2	276
374330e2	277	/*
5e1a8e27	278	* Exports from raw.c.
	279	*/
	280
3d9a14c9	281	extern Backend raw_backend;
5e1a8e27	282
5e1a8e27	283	/*
374330e2	284	* Exports from telnet.c.
	285	*/
	286
c14776e8	287	extern Backend telnet_backend;
374330e2	288
	289	/*
	290	* Exports from ssh.c.
	291	*/
	292
c14776e8	293	extern Backend ssh_backend;
374330e2	294
374330e2	295	/*
5bc238bb	296	* Exports from ldisc.c.
	297	*/
	298
	299	extern Ldisc ldisc_term, ldisc_simple;
	300
	301	/*
374330e2	302	* Exports from sshrand.c.
	303	*/
	304
	305	void random_add_noise(void *noise, int length);
	306	void random_init(void);
	307	int random_byte(void);
	308	void random_get_savedata(void *data, int len);
	309
	310	/*
	311	* Exports from misc.c.
	312	*/
	313
	314	/* #define MALLOC_LOG do this if you suspect putty of leaking memory */
	315	#ifdef MALLOC_LOG
	316	#define smalloc(z) (mlog(__FILE__,__LINE__), safemalloc(z))
	317	#define srealloc(y,z) (mlog(__FILE__,__LINE__), saferealloc(y,z))
	318	#define sfree(z) (mlog(__FILE__,__LINE__), safefree(z))
	319	void mlog(char *, int);
	320	#else
	321	#define smalloc safemalloc
	322	#define srealloc saferealloc
	323	#define sfree safefree
	324	#endif
	325
	326	void *safemalloc(size_t);
	327	void saferealloc(void , size_t);
	328	void safefree(void *);
	329
	330	/*
067a15ea	331	* Exports from version.c.
	332	*/
	333	extern char ver[];
	334
	335	/*
b73fd1b1	336	* Exports from sizetip.c.
	337	*/
	338	void UpdateSizeTip(HWND src, int cx, int cy);
	339	void EnableSizeTip(int bEnable);
	340
	341	/*
14963b8f	342	* Exports from xlat.c.
	343	*/
	344	unsigned char xlat_kbd2tty(unsigned char c);
	345	unsigned char xlat_tty2scr(unsigned char c);
	346	unsigned char xlat_latkbd2win(unsigned char c);
	347
	348	/*
8f203108	349	* Exports from mscrypto.c
	350	*/
	351	#ifdef MSCRYPTOAPI
	352	int crypto_startup();
	353	void crypto_wrapup();
	354	#endif
	355
	356	/*
374330e2	357	* A debug system.
	358	*/
	359	#ifdef DEBUG
	360	#include <stdarg.h>
	361	#define debug(x) (dprintf x)
	362	static void dprintf(char *fmt, ...) {
	363	char buf[2048];
	364	DWORD dw;
	365	va_list ap;
	366	static int gotconsole = 0;
	367
	368	if (!gotconsole) {
	369	AllocConsole();
	370	gotconsole = 1;
	371	}
	372
	373	va_start(ap, fmt);
	374	vsprintf(buf, fmt, ap);
	375	WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), buf, strlen(buf), &dw, NULL);
	376	va_end(ap);
	377	}
	378	#else
	379	#define debug(x)
	380	#endif
	381
	382	#endif