364 lines
10 KiB
C
364 lines
10 KiB
C
/*
|
|
* CRTDLL console functions
|
|
*
|
|
* Copyright 2000 Jon Griffiths
|
|
*
|
|
* NOTES
|
|
* Only a one byte ungetch buffer is implemented, as per MS docs.
|
|
* Output is not redirectable using these functions, as per MS docs.
|
|
*
|
|
* FIXME:
|
|
* There are several problems with the console input mechanism as
|
|
* currently implemented in Wine. When these are ironed out the
|
|
* getch() function will work correctly (gets() is currently fine).
|
|
* The problem is that opening CONIN$ does not work, and
|
|
* reading from STD_INPUT_HANDLE is line buffered.
|
|
*/
|
|
#include "crtdll.h"
|
|
#include "wincon.h"
|
|
#include <stdio.h>
|
|
|
|
DEFAULT_DEBUG_CHANNEL(crtdll);
|
|
|
|
static HANDLE __CRTDLL_console_in = INVALID_HANDLE_VALUE;
|
|
static HANDLE __CRTDLL_console_out = INVALID_HANDLE_VALUE;
|
|
static int __CRTDLL_console_buffer = CRTDLL_EOF;
|
|
|
|
|
|
/* INTERNAL: Initialise console handles */
|
|
VOID __CRTDLL_init_console(VOID)
|
|
{
|
|
TRACE(":Opening console handles\n");
|
|
|
|
__CRTDLL_console_in = GetStdHandle(STD_INPUT_HANDLE);
|
|
|
|
/* FIXME: Should be initialised with:
|
|
* CreateFileA("CONIN$", GENERIC_READ, FILE_SHARE_READ,
|
|
* NULL, OPEN_EXISTING, 0, (HANDLE)NULL);
|
|
*/
|
|
|
|
__CRTDLL_console_out = CreateFileA("CONOUT$", GENERIC_WRITE, FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, (HANDLE)NULL);
|
|
|
|
if ((__CRTDLL_console_in == INVALID_HANDLE_VALUE) ||
|
|
(__CRTDLL_console_out == INVALID_HANDLE_VALUE))
|
|
WARN(":Console handle Initialisation FAILED!\n");
|
|
}
|
|
|
|
/* INTERNAL: Free console handles */
|
|
void __CRTDLL_free_console(void)
|
|
{
|
|
TRACE(":Closing console handles\n");
|
|
CloseHandle(__CRTDLL_console_in);
|
|
CloseHandle(__CRTDLL_console_out);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _cgets (CRTDLL.050)
|
|
*
|
|
* Get a string from CONIN$.
|
|
*/
|
|
LPSTR __cdecl CRTDLL__cgets(LPSTR str)
|
|
{
|
|
char *buf = str + 2;
|
|
int c;
|
|
str[1] = 0; /* Length */
|
|
/* FIXME: No editing of string supported */
|
|
do
|
|
{
|
|
if (str[1] >= str[0] || (str[1]++, c = CRTDLL__getche()) == CRTDLL_EOF || c == '\n')
|
|
{
|
|
*buf = '\0';
|
|
return str + 2;
|
|
}
|
|
*buf++ = c & 0xff;
|
|
} while(1);
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _cprintf (CRTDLL.064)
|
|
*
|
|
* Write a formatted string to CONOUT$.
|
|
*/
|
|
INT __cdecl CRTDLL__cprintf( LPCSTR format, ... )
|
|
{
|
|
va_list valist;
|
|
char buffer[2048];
|
|
|
|
va_start( valist, format );
|
|
if (snprintf( buffer, sizeof(buffer), format, valist ) == -1)
|
|
ERR("Format too large for internal buffer!\n");
|
|
va_end(valist);
|
|
return CRTDLL__cputs( buffer );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _cputs (CRTDLL.065)
|
|
*
|
|
* Write a string to CONOUT$.
|
|
*/
|
|
INT __cdecl CRTDLL__cputs(LPCSTR str)
|
|
{
|
|
DWORD count;
|
|
if (WriteConsoleA(__CRTDLL_console_out, str, strlen(str), &count, NULL)
|
|
&& count == 1)
|
|
return 0;
|
|
return CRTDLL_EOF;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _cscanf (CRTDLL.067)
|
|
*
|
|
* Read formatted input from CONIN$.
|
|
*/
|
|
INT __cdecl CRTDLL__cscanf( LPCSTR format, ... )
|
|
{
|
|
/* NOTE: If you extend this function, extend CRTDLL_fscanf in file.c too */
|
|
INT rd = 0;
|
|
int nch;
|
|
va_list ap;
|
|
if (!*format) return 0;
|
|
WARN("\"%s\": semi-stub\n", format);
|
|
nch = CRTDLL__getch();
|
|
va_start(ap, format);
|
|
while (*format) {
|
|
if (*format == ' ') {
|
|
/* skip whitespace */
|
|
while ((nch!=CRTDLL_EOF) && isspace(nch))
|
|
nch = CRTDLL__getch();
|
|
}
|
|
else if (*format == '%') {
|
|
int st = 0;
|
|
format++;
|
|
switch(*format) {
|
|
case 'd': { /* read an integer */
|
|
int*val = va_arg(ap, int*);
|
|
int cur = 0;
|
|
/* skip initial whitespace */
|
|
while ((nch!=CRTDLL_EOF) && isspace(nch))
|
|
nch = CRTDLL__getch();
|
|
/* get sign and first digit */
|
|
if (nch == '-') {
|
|
nch = CRTDLL__getch();
|
|
if (isdigit(nch))
|
|
cur = -(nch - '0');
|
|
else break;
|
|
} else {
|
|
if (isdigit(nch))
|
|
cur = nch - '0';
|
|
else break;
|
|
}
|
|
nch = CRTDLL__getch();
|
|
/* read until no more digits */
|
|
while ((nch!=CRTDLL_EOF) && isdigit(nch)) {
|
|
cur = cur*10 + (nch - '0');
|
|
nch = CRTDLL__getch();
|
|
}
|
|
st = 1;
|
|
*val = cur;
|
|
}
|
|
break;
|
|
case 'f': { /* read a float */
|
|
float*val = va_arg(ap, float*);
|
|
float cur = 0;
|
|
/* skip initial whitespace */
|
|
while ((nch!=CRTDLL_EOF) && isspace(nch))
|
|
nch = CRTDLL__getch();
|
|
/* get sign and first digit */
|
|
if (nch == '-') {
|
|
nch = CRTDLL__getch();
|
|
if (isdigit(nch))
|
|
cur = -(nch - '0');
|
|
else break;
|
|
} else {
|
|
if (isdigit(nch))
|
|
cur = nch - '0';
|
|
else break;
|
|
}
|
|
/* read until no more digits */
|
|
while ((nch!=CRTDLL_EOF) && isdigit(nch)) {
|
|
cur = cur*10 + (nch - '0');
|
|
nch = CRTDLL__getch();
|
|
}
|
|
if (nch == '.') {
|
|
/* handle decimals */
|
|
float dec = 1;
|
|
nch = CRTDLL__getch();
|
|
while ((nch!=CRTDLL_EOF) && isdigit(nch)) {
|
|
dec /= 10;
|
|
cur += dec * (nch - '0');
|
|
nch = CRTDLL__getch();
|
|
}
|
|
}
|
|
st = 1;
|
|
*val = cur;
|
|
}
|
|
break;
|
|
case 's': { /* read a word */
|
|
char*str = va_arg(ap, char*);
|
|
char*sptr = str;
|
|
/* skip initial whitespace */
|
|
while ((nch!=CRTDLL_EOF) && isspace(nch))
|
|
nch = CRTDLL__getch();
|
|
/* read until whitespace */
|
|
while ((nch!=CRTDLL_EOF) && !isspace(nch)) {
|
|
*sptr++ = nch; st++;
|
|
nch = CRTDLL__getch();
|
|
}
|
|
/* terminate */
|
|
*sptr = 0;
|
|
TRACE("read word: %s\n", str);
|
|
}
|
|
break;
|
|
default: FIXME("unhandled: %%%c\n", *format);
|
|
}
|
|
if (st) rd++;
|
|
else break;
|
|
}
|
|
else {
|
|
/* check for character match */
|
|
if (nch == *format)
|
|
nch = CRTDLL__getch();
|
|
else break;
|
|
}
|
|
format++;
|
|
}
|
|
va_end(ap);
|
|
if (nch != CRTDLL_EOF)
|
|
CRTDLL__ungetch(nch);
|
|
|
|
TRACE("returning %d\n", rd);
|
|
return rd;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _getch (CRTDLL.118)
|
|
*
|
|
* Get a character from CONIN$.
|
|
*/
|
|
INT __cdecl CRTDLL__getch(VOID)
|
|
{
|
|
if (__CRTDLL_console_buffer != CRTDLL_EOF)
|
|
{
|
|
INT retVal = __CRTDLL_console_buffer;
|
|
__CRTDLL_console_buffer = CRTDLL_EOF;
|
|
return retVal;
|
|
}
|
|
else
|
|
{
|
|
INPUT_RECORD ir;
|
|
DWORD count;
|
|
DWORD mode = 0;
|
|
|
|
GetConsoleMode(__CRTDLL_console_in, &mode);
|
|
if(mode) SetConsoleMode(__CRTDLL_console_in, 0);
|
|
|
|
do {
|
|
if (ReadConsoleInputA(__CRTDLL_console_in, &ir, 1, &count))
|
|
{
|
|
/* Only interested in ASCII chars */
|
|
if (ir.EventType == KEY_EVENT &&
|
|
ir.Event.KeyEvent.bKeyDown &&
|
|
ir.Event.KeyEvent.uChar.AsciiChar)
|
|
{
|
|
if(mode) SetConsoleMode(__CRTDLL_console_in, mode);
|
|
return ir.Event.KeyEvent.uChar.AsciiChar;
|
|
}
|
|
}
|
|
else
|
|
break;
|
|
} while(1);
|
|
if (mode) SetConsoleMode(__CRTDLL_console_in, mode);
|
|
}
|
|
return CRTDLL_EOF;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _getche (CRTDLL.119)
|
|
*
|
|
* Get a character from CONIN$ and echo it to CONOUT$.
|
|
*/
|
|
INT __cdecl CRTDLL__getche(VOID)
|
|
{
|
|
INT res = CRTDLL__getch();
|
|
if (res != CRTDLL_EOF && CRTDLL__putch(res) != CRTDLL_EOF)
|
|
return res;
|
|
return CRTDLL_EOF;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _kbhit (CRTDLL.169)
|
|
*
|
|
* Check if a character is waiting in CONIN$.
|
|
*/
|
|
INT __cdecl CRTDLL__kbhit(VOID)
|
|
{
|
|
if (__CRTDLL_console_buffer != CRTDLL_EOF)
|
|
return 1;
|
|
else
|
|
{
|
|
/* FIXME: There has to be a faster way than this in Win32.. */
|
|
INPUT_RECORD *ir;
|
|
DWORD count = 0, i;
|
|
int retVal = 0;
|
|
|
|
GetNumberOfConsoleInputEvents(__CRTDLL_console_in, &count);
|
|
if (!count)
|
|
return 0;
|
|
|
|
if (!(ir = CRTDLL_malloc(count * sizeof(INPUT_RECORD))))
|
|
return 0;
|
|
|
|
if (PeekConsoleInputA(__CRTDLL_console_in, ir, count, &count))
|
|
for(i = 0; i < count - 1; i++)
|
|
{
|
|
if (ir[i].EventType == KEY_EVENT &&
|
|
ir[i].Event.KeyEvent.bKeyDown &&
|
|
ir[i].Event.KeyEvent.uChar.AsciiChar)
|
|
{
|
|
retVal = 1;
|
|
break;
|
|
}
|
|
}
|
|
CRTDLL_free(ir);
|
|
return retVal;
|
|
}
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _putch (CRTDLL.250)
|
|
*
|
|
* Write a character to CONOUT$.
|
|
*/
|
|
INT __cdecl CRTDLL__putch(INT c)
|
|
{
|
|
DWORD count;
|
|
if (WriteConsoleA(__CRTDLL_console_out, &c, 1, &count, NULL) &&
|
|
count == 1)
|
|
return c;
|
|
return CRTDLL_EOF;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* _ungetch (CRTDLL.311)
|
|
*
|
|
* Un-get a character from CONIN$.
|
|
*/
|
|
INT __cdecl CRTDLL__ungetch(INT c)
|
|
{
|
|
if (c == CRTDLL_EOF || __CRTDLL_console_buffer != CRTDLL_EOF)
|
|
return CRTDLL_EOF;
|
|
|
|
return __CRTDLL_console_buffer = c;
|
|
}
|
|
|