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Diffstat (limited to 'erts/emulator/drivers/win32/ttsl_drv.c')
-rw-r--r--erts/emulator/drivers/win32/ttsl_drv.c751
1 files changed, 751 insertions, 0 deletions
diff --git a/erts/emulator/drivers/win32/ttsl_drv.c b/erts/emulator/drivers/win32/ttsl_drv.c
new file mode 100644
index 0000000000..fd88dafd34
--- /dev/null
+++ b/erts/emulator/drivers/win32/ttsl_drv.c
@@ -0,0 +1,751 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 1996-2009. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+/*
+ * Tty driver that reads one character at the time and provides a
+ * smart line for output.
+ */
+
+#include "sys.h"
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+
+#include "erl_driver.h"
+#include "win_con.h"
+
+#define TRUE 1
+#define FALSE 0
+
+static int cols; /* Number of columns available. */
+static int rows; /* Number of rows available. */
+
+/* The various opcodes. */
+#define OP_PUTC 0
+#define OP_MOVE 1
+#define OP_INSC 2
+#define OP_DELC 3
+#define OP_BEEP 4
+
+/* Control op */
+#define CTRL_OP_GET_WINSIZE 100
+#define CTRL_OP_GET_UNICODE_STATE 101
+#define CTRL_OP_SET_UNICODE_STATE 102
+
+static int lbuf_size = BUFSIZ;
+Uint32 *lbuf; /* The current line buffer */
+int llen; /* The current line length */
+int lpos; /* The current "cursor position" in the line buffer */
+
+/*
+ * Tags used in line buffer to show that these bytes represent special characters,
+ * Max unicode is 0x0010ffff, so we have lots of place for meta tags...
+ */
+#define CONTROL_TAG 0x10000000U /* Control character, value in first position */
+#define ESCAPED_TAG 0x01000000U /* Escaped character, value in first position */
+#define TAG_MASK 0xFF000000U
+
+#define MAXSIZE (1 << 16)
+
+#define ISPRINT(c) (isprint(c) || (128+32 <= (c) && (c) < 256))
+
+#define DEBUGLOG(X) /* nothing */
+
+/*
+ * XXX These are used by win_con.c (for command history).
+ * Should be cleaned up.
+ */
+
+
+#define NL '\n'
+
+/* Main interface functions. */
+static int ttysl_init(void);
+static ErlDrvData ttysl_start(ErlDrvPort, char*);
+static void ttysl_stop(ErlDrvData);
+static int ttysl_control(ErlDrvData, unsigned int, char *, int, char **, int);
+static void ttysl_from_erlang(ErlDrvData, char*, int);
+static void ttysl_from_tty(ErlDrvData, ErlDrvEvent);
+static Sint16 get_sint16(char *s);
+
+static ErlDrvPort ttysl_port;
+
+extern ErlDrvEvent console_input_event;
+extern HANDLE console_thread;
+
+static HANDLE ttysl_in = INVALID_HANDLE_VALUE; /* Handle for console input. */
+static HANDLE ttysl_out = INVALID_HANDLE_VALUE; /* Handle for console output */
+
+/* Functions that work on the line buffer. */
+static int start_lbuf();
+static int stop_lbuf();
+static int put_chars();
+static int move_rel();
+static int ins_chars();
+static int del_chars();
+static int step_over_chars(int n);
+static int insert_buf();
+static int write_buf();
+static void move_cursor(int, int);
+
+/* Define the driver table entry. */
+struct erl_drv_entry ttsl_driver_entry = {
+ ttysl_init,
+ ttysl_start,
+ ttysl_stop,
+ ttysl_from_erlang,
+ ttysl_from_tty,
+ NULL,
+ "tty_sl",
+ NULL,
+ NULL,
+ ttysl_control,
+ NULL
+};
+
+static int utf8_mode = 0;
+
+static int ttysl_init()
+{
+ lbuf = NULL; /* For line buffer handling */
+ ttysl_port = (ErlDrvPort)-1;
+ return 0;
+}
+
+static ErlDrvData ttysl_start(ErlDrvPort port, char* buf)
+{
+ if ((int)ttysl_port != -1 || console_thread == NULL) {
+ return ERL_DRV_ERROR_GENERAL;
+ }
+ start_lbuf();
+ utf8_mode = 1;
+ driver_select(port, console_input_event, ERL_DRV_READ, 1);
+ ttysl_port = port;
+ return (ErlDrvData)ttysl_port;/* Nothing important to return */
+}
+
+#define DEF_HEIGHT 24
+#define DEF_WIDTH 80
+
+static void ttysl_get_window_size(Uint32 *width, Uint32 *height)
+{
+ *width = ConGetColumns();
+ *height = ConGetRows();
+}
+
+
+static int ttysl_control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, int len,
+ char **rbuf, int rlen)
+{
+ char resbuff[2*sizeof(Uint32)];
+ int res_size;
+ switch (command) {
+ case CTRL_OP_GET_WINSIZE:
+ {
+ Uint32 w,h;
+ ttysl_get_window_size(&w,&h);
+ memcpy(resbuff,&w,sizeof(Uint32));
+ memcpy(resbuff+sizeof(Uint32),&h,sizeof(Uint32));
+ res_size = 2*sizeof(Uint32);
+ }
+ break;
+ case CTRL_OP_GET_UNICODE_STATE:
+ *resbuff = (utf8_mode) ? 1 : 0;
+ res_size = 1;
+ break;
+ case CTRL_OP_SET_UNICODE_STATE:
+ if (len > 0) {
+ int m = (int) *buf;
+ *resbuff = (utf8_mode) ? 1 : 0;
+ res_size = 1;
+ utf8_mode = (m) ? 1 : 0;
+ } else {
+ return 0;
+ }
+ break;
+ default:
+ return 0;
+ }
+ if (rlen < res_size) {
+ *rbuf = driver_alloc(res_size);
+ }
+ memcpy(*rbuf,resbuff,res_size);
+ return res_size;
+}
+
+
+static void ttysl_stop(ErlDrvData ttysl_data)
+{
+ if ((int)ttysl_port != -1) {
+ driver_select(ttysl_port, console_input_event, ERL_DRV_READ, 0);
+ }
+
+ ttysl_in = ttysl_out = INVALID_HANDLE_VALUE;
+ stop_lbuf();
+ ttysl_port = (ErlDrvPort)-1;
+}
+
+static int put_utf8(int ch, byte *target, int sz, int *pos)
+{
+ Uint x = (Uint) ch;
+ if (x < 0x80) {
+ if (*pos >= sz) {
+ return -1;
+ }
+ target[(*pos)++] = (byte) x;
+ }
+ else if (x < 0x800) {
+ if (((*pos) + 1) >= sz) {
+ return -1;
+ }
+ target[(*pos)++] = (((byte) (x >> 6)) |
+ ((byte) 0xC0));
+ target[(*pos)++] = (((byte) (x & 0x3F)) |
+ ((byte) 0x80));
+ } else if (x < 0x10000) {
+ if ((x >= 0xD800 && x <= 0xDFFF) ||
+ (x == 0xFFFE) ||
+ (x == 0xFFFF)) { /* Invalid unicode range */
+ return -1;
+ }
+ if (((*pos) + 2) >= sz) {
+ return -1;
+ }
+
+ target[(*pos)++] = (((byte) (x >> 12)) |
+ ((byte) 0xE0));
+ target[(*pos)++] = ((((byte) (x >> 6)) & 0x3F) |
+ ((byte) 0x80));
+ target[(*pos)++] = (((byte) (x & 0x3F)) |
+ ((byte) 0x80));
+ } else if (x < 0x110000) { /* Standard imposed max */
+ if (((*pos) + 3) >= sz) {
+ return -1;
+ }
+ target[(*pos)++] = (((byte) (x >> 18)) |
+ ((byte) 0xF0));
+ target[(*pos)++] = ((((byte) (x >> 12)) & 0x3F) |
+ ((byte) 0x80));
+ target[(*pos)++] = ((((byte) (x >> 6)) & 0x3F) |
+ ((byte) 0x80));
+ target[(*pos)++] = (((byte) (x & 0x3F)) |
+ ((byte) 0x80));
+ } else {
+ return -1;
+ }
+ return 0;
+}
+
+
+static int pick_utf8(byte *s, int sz, int *pos)
+{
+ int size = sz - (*pos);
+ byte *source;
+ Uint unipoint;
+
+ if (size > 0) {
+ source = s + (*pos);
+ if (((*source) & ((byte) 0x80)) == 0) {
+ unipoint = (int) *source;
+ ++(*pos);
+ return (int) unipoint;
+ } else if (((*source) & ((byte) 0xE0)) == 0xC0) {
+ if (size < 2) {
+ return -2;
+ }
+ if (((source[1] & ((byte) 0xC0)) != 0x80) ||
+ ((*source) < 0xC2) /* overlong */) {
+ return -1;
+ }
+ (*pos) += 2;
+ unipoint =
+ (((Uint) ((*source) & ((byte) 0x1F))) << 6) |
+ ((Uint) (source[1] & ((byte) 0x3F)));
+ return (int) unipoint;
+ } else if (((*source) & ((byte) 0xF0)) == 0xE0) {
+ if (size < 3) {
+ return -2;
+ }
+ if (((source[1] & ((byte) 0xC0)) != 0x80) ||
+ ((source[2] & ((byte) 0xC0)) != 0x80) ||
+ (((*source) == 0xE0) && (source[1] < 0xA0)) /* overlong */ ) {
+ return -1;
+ }
+ if ((((*source) & ((byte) 0xF)) == 0xD) &&
+ ((source[1] & 0x20) != 0)) {
+ return -1;
+ }
+ if (((*source) == 0xEF) && (source[1] == 0xBF) &&
+ ((source[2] == 0xBE) || (source[2] == 0xBF))) {
+ return -1;
+ }
+ (*pos) += 3;
+ unipoint =
+ (((Uint) ((*source) & ((byte) 0xF))) << 12) |
+ (((Uint) (source[1] & ((byte) 0x3F))) << 6) |
+ ((Uint) (source[2] & ((byte) 0x3F)));
+ return (int) unipoint;
+ } else if (((*source) & ((byte) 0xF8)) == 0xF0) {
+ if (size < 4) {
+ return -2 ;
+ }
+ if (((source[1] & ((byte) 0xC0)) != 0x80) ||
+ ((source[2] & ((byte) 0xC0)) != 0x80) ||
+ ((source[3] & ((byte) 0xC0)) != 0x80) ||
+ (((*source) == 0xF0) && (source[1] < 0x90)) /* overlong */) {
+ return -1;
+ }
+ if ((((*source) & ((byte)0x7)) > 0x4U) ||
+ ((((*source) & ((byte)0x7)) == 0x4U) &&
+ ((source[1] & ((byte)0x3F)) > 0xFU))) {
+ return -1;
+ }
+ (*pos) += 4;
+ unipoint =
+ (((Uint) ((*source) & ((byte) 0x7))) << 18) |
+ (((Uint) (source[1] & ((byte) 0x3F))) << 12) |
+ (((Uint) (source[2] & ((byte) 0x3F))) << 6) |
+ ((Uint) (source[3] & ((byte) 0x3F)));
+ return (int) unipoint;
+ } else {
+ return -1;
+ }
+ } else {
+ return -1;
+ }
+}
+
+static int octal_or_hex_positions(Uint c)
+{
+ int x = 0;
+ Uint ch = c;
+ if (!ch) {
+ return 1;
+ }
+ while(ch) {
+ ++x;
+ ch >>= 3;
+ }
+ if (x <= 3) {
+ return 3;
+ }
+ /* \x{H ...} format when larger than \777 */
+ x = 0;
+ ch = c;
+ while(ch) {
+ ++x;
+ ch >>= 4;
+ }
+ return x+3;
+}
+
+static void octal_or_hex_format(Uint ch, byte *buf, int *pos)
+{
+ static byte hex_chars[] = { '0','1','2','3','4','5','6','7','8','9',
+ 'A','B','C','D','E','F'};
+ int num = octal_or_hex_positions(ch);
+ if (num != 3) {
+ buf[(*pos)++] = 'x';
+ buf[(*pos)++] = '{';
+ num -= 3;
+ while(num--) {
+ buf[(*pos)++] = hex_chars[((ch >> (4*num)) & 0xFU)];
+ }
+ buf[(*pos)++] = '}';
+ } else {
+ while(num--) {
+ buf[(*pos)++] = ((byte) ((ch >> (3*num)) & 0x7U) + '0');
+ }
+ }
+}
+
+/*
+ * Check that there is enough room in all buffers to copy all pad chars
+ * and stiff we need If not, realloc lbuf.
+ */
+static int check_buf_size(byte *s, int n)
+{
+ int pos = 0;
+ int ch;
+ int size = 10;
+
+ while(pos < n) {
+ /* Indata is always UTF-8 */
+ if ((ch = pick_utf8(s,n,&pos)) < 0) {
+ /* XXX temporary allow invalid chars */
+ ch = (int) s[pos];
+ DEBUGLOG(("Invalid UTF8:%d",ch));
+ ++pos;
+ }
+ if (utf8_mode) { /* That is, terminal is UTF8 compliant */
+ if (ch >= 128 || isprint(ch)) {
+ DEBUGLOG(("Printable(UTF-8:%d):%d",(pos - opos),ch));
+ size++; /* Buffer contains wide characters... */
+ } else if (ch == '\t') {
+ size += 8;
+ } else {
+ DEBUGLOG(("Magic(UTF-8:%d):%d",(pos - opos),ch));
+ size += 2;
+ }
+ } else {
+ if (ch <= 255 && isprint(ch)) {
+ DEBUGLOG(("Printable:%d",ch));
+ size++;
+ } else if (ch == '\t')
+ size += 8;
+ else if (ch >= 128) {
+ DEBUGLOG(("Non printable:%d",ch));
+ size += (octal_or_hex_positions(ch) + 1);
+ }
+ else {
+ DEBUGLOG(("Magic:%d",ch));
+ size += 2;
+ }
+ }
+ }
+
+ if (size + lpos >= lbuf_size) {
+
+ lbuf_size = size + lpos + BUFSIZ;
+ if ((lbuf = driver_realloc(lbuf, lbuf_size * sizeof(Uint32))) == NULL) {
+ driver_failure(ttysl_port, -1);
+ return(0);
+ }
+ }
+ return(1);
+}
+
+
+static void ttysl_from_erlang(ErlDrvData ttysl_data, char* buf, int count)
+{
+ if (lpos > MAXSIZE)
+ put_chars((byte*)"\n", 1);
+
+ switch (buf[0]) {
+ case OP_PUTC:
+ DEBUGLOG(("OP: Putc(%d)",count-1));
+ if (check_buf_size((byte*)buf+1, count-1) == 0)
+ return;
+ put_chars((byte*)buf+1, count-1);
+ break;
+ case OP_MOVE:
+ move_rel(get_sint16(buf+1));
+ break;
+ case OP_INSC:
+ if (check_buf_size((byte*)buf+1, count-1) == 0)
+ return;
+ ins_chars((byte*)buf+1, count-1);
+ break;
+ case OP_DELC:
+ del_chars(get_sint16(buf+1));
+ break;
+ case OP_BEEP:
+ ConBeep();
+ break;
+ default:
+ /* Unknown op, just ignore. */
+ break;
+ }
+ return;
+}
+
+extern int read_inbuf(char *data, int n);
+
+static void ttysl_from_tty(ErlDrvData ttysl_data, ErlDrvEvent fd)
+{
+ Uint32 inbuf[64];
+ byte t[1024];
+ int i,pos,tpos;
+
+ i = ConReadInput(inbuf,1);
+
+ pos = 0;
+ tpos = 0;
+
+ while (pos < i) {
+ while (tpos < 1020 && pos < i) { /* Max 4 bytes for UTF8 */
+ put_utf8((int) inbuf[pos++], t, 1024, &tpos);
+ }
+ driver_output(ttysl_port, (char *) t, tpos);
+ tpos = 0;
+ }
+}
+
+/*
+ * Gets signed 16 bit integer from binary buffer.
+ */
+static Sint16
+get_sint16(char *s)
+{
+ return ((*s << 8) | ((byte*)s)[1]);
+}
+
+
+static int start_lbuf(void)
+{
+ if (!lbuf && !(lbuf = ( Uint32*) driver_alloc(lbuf_size * sizeof(Uint32))))
+ return FALSE;
+ llen = 0;
+ lpos = 0;
+ return TRUE;
+}
+
+static int stop_lbuf(void)
+{
+ if (lbuf) {
+ driver_free(lbuf);
+ lbuf = NULL;
+ }
+ llen = 0; /* To avoid access error in win_con:AddToCmdHistory during exit*/
+ return TRUE;
+}
+
+/* Put l bytes (in UTF8) from s into the buffer and output them. */
+static int put_chars(byte *s, int l)
+{
+ int n;
+
+ n = insert_buf(s, l);
+ if (n > 0)
+ write_buf(lbuf + lpos - n, n);
+ if (lpos > llen)
+ llen = lpos;
+ return TRUE;
+}
+
+/*
+ * Move the current postition forwards or backwards within the current
+ * line. We know about padding.
+ */
+static int move_rel(int n)
+{
+ int npos; /* The new position */
+
+ /* Step forwards or backwards over the buffer. */
+ npos = step_over_chars(n);
+
+ /* Calculate move, updates pointers and move the cursor. */
+ move_cursor(lpos, npos);
+ lpos = npos;
+ return TRUE;
+}
+
+/* Insert characters into the buffer at the current position. */
+static int ins_chars(byte *s, int l)
+{
+ int n, tl;
+ Uint32 *tbuf = NULL; /* Suppress warning about use-before-set */
+
+ /* Move tail of buffer to make space. */
+ if ((tl = llen - lpos) > 0) {
+ if ((tbuf = driver_alloc(tl * sizeof(Uint32))) == NULL)
+ return FALSE;
+ memcpy(tbuf, lbuf + lpos, tl * sizeof(Uint32));
+ }
+ n = insert_buf(s, l);
+ if (tl > 0) {
+ memcpy(lbuf + lpos, tbuf, tl * sizeof(Uint32));
+ driver_free(tbuf);
+ }
+ llen += n;
+ write_buf(lbuf + (lpos - n), llen - (lpos - n));
+ move_cursor(llen, lpos);
+ return TRUE;
+}
+
+/*
+ * Delete characters in the buffer. Can delete characters before (n < 0)
+ * and after (n > 0) the current position. Cursor left at beginning of
+ * deleted block.
+ */
+static int del_chars(int n)
+{
+ int i, l, r;
+ int pos;
+
+ /*update_cols();*/
+
+ /* Step forward or backwards over n logical characters. */
+ pos = step_over_chars(n);
+
+ if (pos > lpos) {
+ l = pos - lpos; /* Buffer characters to delete */
+ r = llen - lpos - l; /* Characters after deleted */
+ /* Fix up buffer and buffer pointers. */
+ if (r > 0)
+ memcpy(lbuf + lpos, lbuf + pos, r * sizeof(Uint32));
+ llen -= l;
+ /* Write out characters after, blank the tail and jump back to lpos. */
+ write_buf(lbuf + lpos, r);
+ for (i = l ; i > 0; --i)
+ ConPutChar(' ');
+ move_cursor(llen + l, lpos);
+ }
+ else if (pos < lpos) {
+ l = lpos - pos; /* Buffer characters */
+ r = llen - lpos; /* Characters after deleted */
+ move_cursor(lpos, lpos-l); /* Move back */
+ /* Fix up buffer and buffer pointers. */
+ if (r > 0)
+ memcpy(lbuf + pos, lbuf + lpos, r * sizeof(Uint32));
+ lpos -= l;
+ llen -= l;
+ /* Write out characters after, blank the tail and jump back to lpos. */
+ write_buf(lbuf + lpos, r);
+ for (i = l ; i > 0; --i)
+ ConPutChar(' ');
+ move_cursor(llen + l, lpos);
+ }
+ return TRUE;
+}
+
+
+/* Step over n logical characters, check for overflow. */
+static int step_over_chars(int n)
+{
+ Uint32 *c, *beg, *end;
+
+ beg = lbuf;
+ end = lbuf + llen;
+ c = lbuf + lpos;
+ for ( ; n > 0 && c < end; --n) {
+ c++;
+ while (c < end && (*c & TAG_MASK) && ((*c & ~TAG_MASK) == 0))
+ c++;
+ }
+ for ( ; n < 0 && c > beg; n++) {
+ --c;
+ while (c > beg && (*c & TAG_MASK) && ((*c & ~TAG_MASK) == 0))
+ --c;
+ }
+ return c - lbuf;
+}
+
+static int insert_buf(byte *s, int n)
+{
+ int pos = 0;
+ int buffpos = lpos;
+ int ch;
+
+ while (pos < n) {
+ if ((ch = pick_utf8(s,n,&pos)) < 0) {
+ /* XXX temporary allow invalid chars */
+ ch = (int) s[pos];
+ DEBUGLOG(("insert_buf: Invalid UTF8:%d",ch));
+ ++pos;
+ }
+ if ((utf8_mode && (ch >= 128 || isprint(ch))) || (ch <= 255 && isprint(ch))) {
+ DEBUGLOG(("insert_buf: Printable(UTF-8):%d",ch));
+ lbuf[lpos++] = (Uint32) ch;
+ } else if (ch >= 128) { /* not utf8 mode */
+ int nc = octal_or_hex_positions(ch);
+ lbuf[lpos++] = ((Uint32) ch) | ESCAPED_TAG;
+ while (nc--) {
+ lbuf[lpos++] = ESCAPED_TAG;
+ }
+ } else if (ch == '\t') {
+ do {
+ lbuf[lpos++] = (CONTROL_TAG | ((Uint32) ch));
+ ch = 0;
+ } while (lpos % 8);
+ } else if (ch == '\n' || ch == '\r') {
+ write_buf(lbuf + buffpos, lpos - buffpos);
+ ConPutChar('\r');
+ if (ch == '\n')
+ ConPutChar('\n');
+ if (llen > lpos) {
+ memcpy(lbuf, lbuf + lpos, llen - lpos);
+ }
+ llen -= lpos;
+ lpos = buffpos = 0;
+ } else {
+ DEBUGLOG(("insert_buf: Magic(UTF-8):%d",ch));
+ lbuf[lpos++] = ch | CONTROL_TAG;
+ lbuf[lpos++] = CONTROL_TAG;
+ }
+ }
+ return lpos - buffpos; /* characters "written" into
+ current buffer (may be less due to newline) */
+}
+static int write_buf(Uint32 *s, int n)
+{
+ int i;
+
+ /*update_cols();*/
+
+ while (n > 0) {
+ if (!(*s & TAG_MASK) ) {
+ ConPutChar(*s);
+ --n;
+ ++s;
+ }
+ else if (*s == (CONTROL_TAG | ((Uint32) '\t'))) {
+ ConPutChar(' ');
+ --n; s++;
+ while (n > 0 && *s == CONTROL_TAG) {
+ ConPutChar(' ');
+ --n; s++;
+ }
+ } else if (*s & CONTROL_TAG) {
+ ConPutChar('^');
+ ConPutChar((*s == 0177) ? '?' : *s | 0x40);
+ n -= 2;
+ s += 2;
+ } else if (*s & ESCAPED_TAG) {
+ Uint32 ch = *s & ~(TAG_MASK);
+ byte *octbuff;
+ byte octtmp[256];
+ int octbytes;
+ DEBUGLOG(("Escaped: %d", ch));
+ octbytes = octal_or_hex_positions(ch);
+ if (octbytes > 256) {
+ octbuff = driver_alloc(octbytes);
+ } else {
+ octbuff = octtmp;
+ }
+ octbytes = 0;
+ octal_or_hex_format(ch, octbuff, &octbytes);
+ DEBUGLOG(("octbytes: %d", octbytes));
+ ConPutChar('\\');
+ for (i = 0; i < octbytes; ++i) {
+ ConPutChar(octbuff[i]);
+ }
+ n -= octbytes+1;
+ s += octbytes+1;
+ if (octbuff != octtmp) {
+ driver_free(octbuff);
+ }
+ } else {
+ DEBUGLOG(("Very unexpected character %d",(int) *s));
+ ++n;
+ --s;
+ }
+ }
+ return TRUE;
+}
+
+
+static void
+move_cursor(int from, int to)
+{
+ ConSetCursor(from,to);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 23:47:48 +0000