Release 0.4.3
Tue Sep 28 19:59:21 1993 David Metcalfe
* [windows/win.c]
Implemented support for windows with no borders. Added
GetParent(), GetDlgCtrlID(), GetWindowText() and
GetWindowTextLength() functions.
* [misc/xt.c]
Added processing of WM_GETTEXT and WM_GETTEXTLENGTH messages
to DefWindowProc and Implemented MessageBeep().
* [windows/syscolor.c]
Added preliminary system color support.
* [controls/button1.c]
Mods to new button control and integration with Wine.
Tue Sep 28 19:59:21 1993 Johannes Ruscheinski
* [controls/button1.c]
New button control using GDI functions.
Tue Sep 28 19:59:21 1993 Eric Youngdale
* [debugger/*]
Added debugging capabilities to Wine
Sat Sep 25 13:22:50 1993 Alexandre Julliard (julliard@di.epfl.ch)
* [objects/region.c]
Bug fix
Fri Sep 24 07:35:11 1993 Bob Amstadt (bob at pooh)
* [tools/build.c]
Changed the entry point code to reduce the standard entry
point size from 22 bytes to 10 bytes. This leaves about
4000 free entry points instead of the 800 in version 0.4.2.
* [loader/resource.c]
Rewrote functions to allow loading of resources from any
DLL.
* [loader/wine.c] [include/wine.h]
Added functions GetFilenameFromInstance() and GetFileInfo()
to search for a loaded file based on its instance handle.
Added a field in struct w_files to make searching by an instance
handle faster.
Tue Sep 21 09:57:01 1993 miguel@roxanne.nuclecu.unam.mx (Miguel de Icaza)
* [misc/profile.c]
Implementation of .INI file handling
Mon Sep 20 10:54:32 1993 David Metcalfe
* [misc/profile.c.old]
Implementation of .INI file handling
Mon Sep 20 10:54:32 1993 John Brezak
* [controls/WinButton.c]
Bug fix with call to XtVaSetValues.
Mon Sep 20 10:54:32 1993 Alexandre Julliard
* [windows/win.c]
Quick patch to get colormaps to work with button widget.
Mon Sep 20 02:42:54 1993 (yngvi@hafro.is)
* misc/keyboard.c:
Ifdefed out some bogus Ansi<->Oem conversion functions
* misc/lstr.c:
New file with string functions like lstr* IsChar* *Ansi*
Wed Sep 15 20:35:10 1993 John Brezak
* [loader/signal.c]
Additional changes to support NetBSD.
Wed Sep 15 22:19:22 1993 Martin Ayotte
* [windows/graphics.c]
Added FrameRect function
Tue Sep 14 13:54:45 1993 Alexandre Julliard
* [objects/color.c] [objects/palette.c]
Preliminary support for private color map.
* [windows/class.c]
Implemented CS_CLASSDC style.
* [windows/dce.c]
Moved DCEs to USER heap.
Implemented class and window DCs.
* [windows/event.c]
Implemented CS_DBLCLKS style.
* [windows/graphics.c]
Bug fix in SetPixel().
* [windows/win.c]
Implemented CS_OWNDC style.
Implemented Get/SetWindowLong().
* [controls/menu.c] [windows/class.c] [windows/clipping.c]
[windows/dce.c] [windows/message.c] [windows/win.c]
Moved windows from global heap to USER heap.
diff --git a/debugger/readline/editline.c b/debugger/readline/editline.c
new file mode 100644
index 0000000..3838de0
--- /dev/null
+++ b/debugger/readline/editline.c
@@ -0,0 +1,1378 @@
+/* $Revision: 1.4 $
+**
+** Main editing routines for editline library.
+*/
+#include "editline.h"
+#include <ctype.h>
+
+/*
+** Manifest constants.
+*/
+#define SCREEN_WIDTH 80
+#define SCREEN_ROWS 24
+#define NO_ARG (-1)
+#define DEL 127
+#define CTL(x) ((x) & 0x1F)
+#define ISCTL(x) ((x) && (x) < ' ')
+#define UNCTL(x) ((x) + 64)
+#define META(x) ((x) | 0x80)
+#define ISMETA(x) ((x) & 0x80)
+#define UNMETA(x) ((x) & 0x7F)
+#if !defined(HIST_SIZE)
+#define HIST_SIZE 20
+#endif /* !defined(HIST_SIZE) */
+
+/*
+** Command status codes.
+*/
+typedef enum _STATUS {
+ CSdone, CSeof, CSmove, CSdispatch, CSstay
+} STATUS;
+
+/*
+** The type of case-changing to perform.
+*/
+typedef enum _CASE {
+ TOupper, TOlower
+} CASE;
+
+/*
+** Key to command mapping.
+*/
+typedef struct _KEYMAP {
+ CHAR Key;
+ STATUS (*Function)();
+} KEYMAP;
+
+/*
+** Command history structure.
+*/
+typedef struct _HISTORY {
+ int Size;
+ int Pos;
+ CHAR *Lines[HIST_SIZE];
+} HISTORY;
+
+/*
+** Globals.
+*/
+int rl_eof;
+int rl_erase;
+int rl_intr;
+int rl_kill;
+
+STATIC CHAR NIL[] = "";
+STATIC CONST CHAR *Input = NIL;
+STATIC CHAR *Line;
+STATIC CONST char *Prompt;
+STATIC CHAR *Yanked;
+STATIC char *Screen;
+STATIC char NEWLINE[]= CRLF;
+STATIC HISTORY H;
+int rl_quit;
+STATIC int Repeat;
+STATIC int End;
+STATIC int Mark;
+STATIC int OldPoint;
+STATIC int Point;
+STATIC int PushBack;
+STATIC int Pushed;
+FORWARD KEYMAP Map[33];
+FORWARD KEYMAP MetaMap[16];
+STATIC SIZE_T Length;
+STATIC SIZE_T ScreenCount;
+STATIC SIZE_T ScreenSize;
+STATIC char *backspace;
+STATIC int TTYwidth;
+STATIC int TTYrows;
+
+/* Display print 8-bit chars as `M-x' or as the actual 8-bit char? */
+int rl_meta_chars = 1;
+
+/*
+** Declarations.
+*/
+STATIC CHAR *editinput();
+extern int read();
+extern int write();
+#if defined(USE_TERMCAP)
+extern char *getenv();
+extern char *tgetstr();
+extern int tgetent();
+#endif /* defined(USE_TERMCAP) */
+
+/*
+** TTY input/output functions.
+*/
+
+STATIC void
+TTYflush()
+{
+ if (ScreenCount) {
+ (void)write(1, Screen, ScreenCount);
+ ScreenCount = 0;
+ }
+}
+
+STATIC void
+TTYput(c)
+ CHAR c;
+{
+ Screen[ScreenCount] = c;
+ if (++ScreenCount >= ScreenSize - 1) {
+ ScreenSize += SCREEN_INC;
+ RENEW(Screen, char, ScreenSize);
+ }
+}
+
+STATIC void
+TTYputs(p)
+ CHAR *p;
+{
+ while (*p)
+ TTYput(*p++);
+}
+
+STATIC void
+TTYshow(c)
+ CHAR c;
+{
+ if (c == DEL) {
+ TTYput('^');
+ TTYput('?');
+ }
+ else if (ISCTL(c)) {
+ TTYput('^');
+ TTYput(UNCTL(c));
+ }
+ else if (rl_meta_chars && ISMETA(c)) {
+ TTYput('M');
+ TTYput('-');
+ TTYput(UNMETA(c));
+ }
+ else
+ TTYput(c);
+}
+
+STATIC void
+TTYstring(p)
+ CHAR *p;
+{
+ while (*p)
+ TTYshow(*p++);
+}
+
+STATIC unsigned int
+TTYget()
+{
+ CHAR c;
+
+ TTYflush();
+ if (Pushed) {
+ Pushed = 0;
+ return PushBack;
+ }
+ if (*Input)
+ return *Input++;
+ return read(0, &c, (SIZE_T)1) == 1 ? c : EOF;
+}
+
+#define TTYback() (backspace ? TTYputs((CHAR *)backspace) : TTYput('\b'))
+
+STATIC void
+TTYbackn(n)
+ int n;
+{
+ while (--n >= 0)
+ TTYback();
+}
+
+STATIC void
+TTYinfo()
+{
+ static int init;
+#if defined(USE_TERMCAP)
+ char *term;
+ char buff[2048];
+ char *bp;
+#endif /* defined(USE_TERMCAP) */
+#if defined(TIOCGWINSZ)
+ struct winsize W;
+#endif /* defined(TIOCGWINSZ) */
+
+ if (init) {
+#if defined(TIOCGWINSZ)
+ /* Perhaps we got resized. */
+ if (ioctl(0, TIOCGWINSZ, &W) >= 0
+ && W.ws_col > 0 && W.ws_row > 0) {
+ TTYwidth = (int)W.ws_col;
+ TTYrows = (int)W.ws_row;
+ }
+#endif /* defined(TIOCGWINSZ) */
+ return;
+ }
+ init++;
+
+ TTYwidth = TTYrows = 0;
+#if defined(USE_TERMCAP)
+ bp = &buff[0];
+ if ((term = getenv("TERM")) == NULL)
+ term = "dumb";
+ if (tgetent(buff, term) < 0) {
+ TTYwidth = SCREEN_WIDTH;
+ TTYrows = SCREEN_ROWS;
+ return;
+ }
+ backspace = tgetstr("le", &bp);
+ TTYwidth = tgetnum("co");
+ TTYrows = tgetnum("li");
+#endif /* defined(USE_TERMCAP) */
+
+#if defined(TIOCGWINSZ)
+ if (ioctl(0, TIOCGWINSZ, &W) >= 0) {
+ TTYwidth = (int)W.ws_col;
+ TTYrows = (int)W.ws_row;
+ }
+#endif /* defined(TIOCGWINSZ) */
+
+ if (TTYwidth <= 0 || TTYrows <= 0) {
+ TTYwidth = SCREEN_WIDTH;
+ TTYrows = SCREEN_ROWS;
+ }
+}
+
+
+/*
+** Print an array of words in columns.
+*/
+STATIC void
+columns(ac, av)
+ int ac;
+ CHAR **av;
+{
+ CHAR *p;
+ int i;
+ int j;
+ int k;
+ int len;
+ int skip;
+ int longest;
+ int cols;
+
+ /* Find longest name, determine column count from that. */
+ for (longest = 0, i = 0; i < ac; i++)
+ if ((j = strlen((char *)av[i])) > longest)
+ longest = j;
+ cols = TTYwidth / (longest + 3);
+
+ TTYputs((CHAR *)NEWLINE);
+ for (skip = ac / cols + 1, i = 0; i < skip; i++) {
+ for (j = i; j < ac; j += skip) {
+ for (p = av[j], len = strlen((char *)p), k = len; --k >= 0; p++)
+ TTYput(*p);
+ if (j + skip < ac)
+ while (++len < longest + 3)
+ TTYput(' ');
+ }
+ TTYputs((CHAR *)NEWLINE);
+ }
+}
+
+STATIC void
+reposition()
+{
+ int i;
+ CHAR *p;
+
+ TTYput('\r');
+ TTYputs((CHAR *)Prompt);
+ for (i = Point, p = Line; --i >= 0; p++)
+ TTYshow(*p);
+}
+
+STATIC void
+left(Change)
+ STATUS Change;
+{
+ TTYback();
+ if (Point) {
+ if (ISCTL(Line[Point - 1]))
+ TTYback();
+ else if (rl_meta_chars && ISMETA(Line[Point - 1])) {
+ TTYback();
+ TTYback();
+ }
+ }
+ if (Change == CSmove)
+ Point--;
+}
+
+STATIC void
+right(Change)
+ STATUS Change;
+{
+ TTYshow(Line[Point]);
+ if (Change == CSmove)
+ Point++;
+}
+
+STATIC STATUS
+ring_bell()
+{
+ TTYput('\07');
+ TTYflush();
+ return CSstay;
+}
+
+STATIC STATUS
+do_macro(c)
+ unsigned int c;
+{
+ CHAR name[4];
+
+ name[0] = '_';
+ name[1] = c;
+ name[2] = '_';
+ name[3] = '\0';
+
+ if ((Input = (CHAR *)getenv((char *)name)) == NULL) {
+ Input = NIL;
+ return ring_bell();
+ }
+ return CSstay;
+}
+
+STATIC STATUS
+do_forward(move)
+ STATUS move;
+{
+ int i;
+ CHAR *p;
+
+ i = 0;
+ do {
+ p = &Line[Point];
+ for ( ; Point < End && (*p == ' ' || !isalnum(*p)); Point++, p++)
+ if (move == CSmove)
+ right(CSstay);
+
+ for (; Point < End && isalnum(*p); Point++, p++)
+ if (move == CSmove)
+ right(CSstay);
+
+ if (Point == End)
+ break;
+ } while (++i < Repeat);
+
+ return CSstay;
+}
+
+STATIC STATUS
+do_case(type)
+ CASE type;
+{
+ int i;
+ int end;
+ int count;
+ CHAR *p;
+
+ (void)do_forward(CSstay);
+ if (OldPoint != Point) {
+ if ((count = Point - OldPoint) < 0)
+ count = -count;
+ Point = OldPoint;
+ if ((end = Point + count) > End)
+ end = End;
+ for (i = Point, p = &Line[i]; i < end; i++, p++) {
+ if (type == TOupper) {
+ if (islower(*p))
+ *p = toupper(*p);
+ }
+ else if (isupper(*p))
+ *p = tolower(*p);
+ right(CSmove);
+ }
+ }
+ return CSstay;
+}
+
+STATIC STATUS
+case_down_word()
+{
+ return do_case(TOlower);
+}
+
+STATIC STATUS
+case_up_word()
+{
+ return do_case(TOupper);
+}
+
+STATIC void
+ceol()
+{
+ int extras;
+ int i;
+ CHAR *p;
+
+ for (extras = 0, i = Point, p = &Line[i]; i <= End; i++, p++) {
+ TTYput(' ');
+ if (ISCTL(*p)) {
+ TTYput(' ');
+ extras++;
+ }
+ else if (rl_meta_chars && ISMETA(*p)) {
+ TTYput(' ');
+ TTYput(' ');
+ extras += 2;
+ }
+ }
+
+ for (i += extras; i > Point; i--)
+ TTYback();
+}
+
+STATIC void
+clear_line()
+{
+ Point = -strlen(Prompt);
+ TTYput('\r');
+ ceol();
+ Point = 0;
+ End = 0;
+ Line[0] = '\0';
+}
+
+STATIC STATUS
+insert_string(p)
+ CHAR *p;
+{
+ SIZE_T len;
+ int i;
+ CHAR *new;
+ CHAR *q;
+
+ len = strlen((char *)p);
+ if (End + len >= Length) {
+ if ((new = NEW(CHAR, Length + len + MEM_INC)) == NULL)
+ return CSstay;
+ if (Length) {
+ COPYFROMTO(new, Line, Length);
+ DISPOSE(Line);
+ }
+ Line = new;
+ Length += len + MEM_INC;
+ }
+
+ for (q = &Line[Point], i = End - Point; --i >= 0; )
+ q[len + i] = q[i];
+ COPYFROMTO(&Line[Point], p, len);
+ End += len;
+ Line[End] = '\0';
+ TTYstring(&Line[Point]);
+ Point += len;
+
+ return Point == End ? CSstay : CSmove;
+}
+
+
+STATIC CHAR *
+next_hist()
+{
+ return H.Pos >= H.Size - 1 ? NULL : H.Lines[++H.Pos];
+}
+
+STATIC CHAR *
+prev_hist()
+{
+ return H.Pos == 0 ? NULL : H.Lines[--H.Pos];
+}
+
+STATIC STATUS
+do_insert_hist(p)
+ CHAR *p;
+{
+ if (p == NULL)
+ return ring_bell();
+ Point = 0;
+ reposition();
+ ceol();
+ End = 0;
+ return insert_string(p);
+}
+
+STATIC STATUS
+do_hist(move)
+ CHAR *(*move)();
+{
+ CHAR *p;
+ int i;
+
+ i = 0;
+ do {
+ if ((p = (*move)()) == NULL)
+ return ring_bell();
+ } while (++i < Repeat);
+ return do_insert_hist(p);
+}
+
+STATIC STATUS
+h_next()
+{
+ return do_hist(next_hist);
+}
+
+STATIC STATUS
+h_prev()
+{
+ return do_hist(prev_hist);
+}
+
+STATIC STATUS
+h_first()
+{
+ return do_insert_hist(H.Lines[H.Pos = 0]);
+}
+
+STATIC STATUS
+h_last()
+{
+ return do_insert_hist(H.Lines[H.Pos = H.Size - 1]);
+}
+
+/*
+** Return zero if pat appears as a substring in text.
+*/
+STATIC int
+substrcmp(text, pat, len)
+ char *text;
+ char *pat;
+ int len;
+{
+ CHAR c;
+
+ if ((c = *pat) == '\0')
+ return *text == '\0';
+ for ( ; *text; text++)
+ if (*text == c && strncmp(text, pat, len) == 0)
+ return 0;
+ return 1;
+}
+
+STATIC CHAR *
+search_hist(search, move)
+ CHAR *search;
+ CHAR *(*move)();
+{
+ static CHAR *old_search;
+ int len;
+ int pos;
+ int (*match)();
+ char *pat;
+
+ /* Save or get remembered search pattern. */
+ if (search && *search) {
+ if (old_search)
+ DISPOSE(old_search);
+ old_search = (CHAR *)strdup((char *)search);
+ }
+ else {
+ if (old_search == NULL || *old_search == '\0')
+ return NULL;
+ search = old_search;
+ }
+
+ /* Set up pattern-finder. */
+ if (*search == '^') {
+ match = strncmp;
+ pat = (char *)(search + 1);
+ }
+ else {
+ match = substrcmp;
+ pat = (char *)search;
+ }
+ len = strlen(pat);
+
+ for (pos = H.Pos; (*move)() != NULL; )
+ if ((*match)((char *)H.Lines[H.Pos], pat, len) == 0)
+ return H.Lines[H.Pos];
+ H.Pos = pos;
+ return NULL;
+}
+
+STATIC STATUS
+h_search()
+{
+ static int Searching;
+ CONST char *old_prompt;
+ CHAR *(*move)();
+ CHAR *p;
+
+ if (Searching)
+ return ring_bell();
+ Searching = 1;
+
+ clear_line();
+ old_prompt = Prompt;
+ Prompt = "Search: ";
+ TTYputs((CHAR *)Prompt);
+ move = Repeat == NO_ARG ? prev_hist : next_hist;
+ p = search_hist(editinput(), move);
+ clear_line();
+ Prompt = old_prompt;
+ TTYputs((CHAR *)Prompt);
+
+ Searching = 0;
+ return do_insert_hist(p);
+}
+
+STATIC STATUS
+fd_char()
+{
+ int i;
+
+ i = 0;
+ do {
+ if (Point >= End)
+ break;
+ right(CSmove);
+ } while (++i < Repeat);
+ return CSstay;
+}
+
+STATIC void
+save_yank(begin, i)
+ int begin;
+ int i;
+{
+ if (Yanked) {
+ DISPOSE(Yanked);
+ Yanked = NULL;
+ }
+
+ if (i < 1)
+ return;
+
+ if ((Yanked = NEW(CHAR, (SIZE_T)i + 1)) != NULL) {
+ COPYFROMTO(Yanked, &Line[begin], i);
+ Yanked[i] = '\0';
+ }
+}
+
+STATIC STATUS
+delete_string(count)
+ int count;
+{
+ int i;
+ CHAR *p;
+
+ if (count <= 0 || End == Point)
+ return ring_bell();
+
+ if (count == 1 && Point == End - 1) {
+ /* Optimize common case of delete at end of line. */
+ End--;
+ p = &Line[Point];
+ i = 1;
+ TTYput(' ');
+ if (ISCTL(*p)) {
+ i = 2;
+ TTYput(' ');
+ }
+ else if (rl_meta_chars && ISMETA(*p)) {
+ i = 3;
+ TTYput(' ');
+ TTYput(' ');
+ }
+ TTYbackn(i);
+ *p = '\0';
+ return CSmove;
+ }
+ if (Point + count > End && (count = End - Point) <= 0)
+ return CSstay;
+
+ if (count > 1)
+ save_yank(Point, count);
+
+ for (p = &Line[Point], i = End - (Point + count) + 1; --i >= 0; p++)
+ p[0] = p[count];
+ ceol();
+ End -= count;
+ TTYstring(&Line[Point]);
+ return CSmove;
+}
+
+STATIC STATUS
+bk_char()
+{
+ int i;
+
+ i = 0;
+ do {
+ if (Point == 0)
+ break;
+ left(CSmove);
+ } while (++i < Repeat);
+
+ return CSstay;
+}
+
+STATIC STATUS
+bk_del_char()
+{
+ int i;
+
+ i = 0;
+ do {
+ if (Point == 0)
+ break;
+ left(CSmove);
+ } while (++i < Repeat);
+
+ return delete_string(i);
+}
+
+STATIC STATUS
+redisplay()
+{
+ TTYputs((CHAR *)NEWLINE);
+ TTYputs((CHAR *)Prompt);
+ TTYstring(Line);
+ return CSmove;
+}
+
+STATIC STATUS
+kill_line()
+{
+ int i;
+
+ if (Repeat != NO_ARG) {
+ if (Repeat < Point) {
+ i = Point;
+ Point = Repeat;
+ reposition();
+ (void)delete_string(i - Point);
+ }
+ else if (Repeat > Point) {
+ right(CSmove);
+ (void)delete_string(Repeat - Point - 1);
+ }
+ return CSmove;
+ }
+
+ save_yank(Point, End - Point);
+ Line[Point] = '\0';
+ ceol();
+ End = Point;
+ return CSstay;
+}
+
+STATIC STATUS
+insert_char(c)
+ int c;
+{
+ STATUS s;
+ CHAR buff[2];
+ CHAR *p;
+ CHAR *q;
+ int i;
+
+ if (Repeat == NO_ARG || Repeat < 2) {
+ buff[0] = c;
+ buff[1] = '\0';
+ return insert_string(buff);
+ }
+
+ if ((p = NEW(CHAR, Repeat + 1)) == NULL)
+ return CSstay;
+ for (i = Repeat, q = p; --i >= 0; )
+ *q++ = c;
+ *q = '\0';
+ Repeat = 0;
+ s = insert_string(p);
+ DISPOSE(p);
+ return s;
+}
+
+STATIC STATUS
+meta()
+{
+ unsigned int c;
+ KEYMAP *kp;
+
+ if ((c = TTYget()) == EOF)
+ return CSeof;
+#if defined(ANSI_ARROWS)
+ /* Also include VT-100 arrows. */
+ if (c == '[' || c == 'O')
+ switch (c = TTYget()) {
+ default: return ring_bell();
+ case EOF: return CSeof;
+ case 'A': return h_prev();
+ case 'B': return h_next();
+ case 'C': return fd_char();
+ case 'D': return bk_char();
+ }
+#endif /* defined(ANSI_ARROWS) */
+
+ if (isdigit(c)) {
+ for (Repeat = c - '0'; (c = TTYget()) != EOF && isdigit(c); )
+ Repeat = Repeat * 10 + c - '0';
+ Pushed = 1;
+ PushBack = c;
+ return CSstay;
+ }
+
+ if (isupper(c))
+ return do_macro(c);
+ for (OldPoint = Point, kp = MetaMap; kp->Function; kp++)
+ if (kp->Key == c)
+ return (*kp->Function)();
+
+ return ring_bell();
+}
+
+STATIC STATUS
+emacs(c)
+ unsigned int c;
+{
+ STATUS s;
+ KEYMAP *kp;
+
+ if (ISMETA(c)) {
+ Pushed = 1;
+ PushBack = UNMETA(c);
+ return meta();
+ }
+ for (kp = Map; kp->Function; kp++)
+ if (kp->Key == c)
+ break;
+ s = kp->Function ? (*kp->Function)() : insert_char((int)c);
+ if (!Pushed)
+ /* No pushback means no repeat count; hacky, but true. */
+ Repeat = NO_ARG;
+ return s;
+}
+
+STATIC STATUS
+TTYspecial(c)
+ unsigned int c;
+{
+ if (ISMETA(c))
+ return CSdispatch;
+
+ if (c == rl_erase || c == DEL)
+ return bk_del_char();
+ if (c == rl_kill) {
+ if (Point != 0) {
+ Point = 0;
+ reposition();
+ }
+ Repeat = NO_ARG;
+ return kill_line();
+ }
+ if (c == rl_intr || c == rl_quit) {
+ Point = End = 0;
+ Line[0] = '\0';
+ return redisplay();
+ }
+ if (c == rl_eof && Point == 0 && End == 0)
+ return CSeof;
+
+ return CSdispatch;
+}
+
+STATIC CHAR *
+editinput()
+{
+ unsigned int c;
+
+ Repeat = NO_ARG;
+ OldPoint = Point = Mark = End = 0;
+ Line[0] = '\0';
+
+ while ((c = TTYget()) != EOF)
+ switch (TTYspecial(c)) {
+ case CSdone:
+ return Line;
+ case CSeof:
+ return NULL;
+ case CSmove:
+ reposition();
+ break;
+ case CSdispatch:
+ switch (emacs(c)) {
+ case CSdone:
+ return Line;
+ case CSeof:
+ return NULL;
+ case CSmove:
+ reposition();
+ break;
+ case CSdispatch:
+ case CSstay:
+ break;
+ }
+ break;
+ case CSstay:
+ break;
+ }
+ return NULL;
+}
+
+STATIC void
+hist_add(p)
+ CHAR *p;
+{
+ int i;
+
+ if ((p = (CHAR *)strdup((char *)p)) == NULL)
+ return;
+ if (H.Size < HIST_SIZE)
+ H.Lines[H.Size++] = p;
+ else {
+ DISPOSE(H.Lines[0]);
+ for (i = 0; i < HIST_SIZE - 1; i++)
+ H.Lines[i] = H.Lines[i + 1];
+ H.Lines[i] = p;
+ }
+ H.Pos = H.Size - 1;
+}
+
+/*
+** For compatibility with FSF readline.
+*/
+/* ARGSUSED0 */
+void
+rl_reset_terminal(p)
+ char *p;
+{
+}
+
+void
+rl_initialize()
+{
+}
+
+char *
+readline(prompt)
+ CONST char *prompt;
+{
+ CHAR *line;
+
+ if (Line == NULL) {
+ Length = MEM_INC;
+ if ((Line = NEW(CHAR, Length)) == NULL)
+ return NULL;
+ }
+
+ TTYinfo();
+ rl_ttyset(0);
+ hist_add(NIL);
+ ScreenSize = SCREEN_INC;
+ Screen = NEW(char, ScreenSize);
+ Prompt = prompt ? prompt : (char *)NIL;
+ TTYputs((CHAR *)Prompt);
+ if ((line = editinput()) != NULL) {
+ line = (CHAR *)strdup((char *)line);
+ TTYputs((CHAR *)NEWLINE);
+ TTYflush();
+ }
+ rl_ttyset(1);
+ DISPOSE(Screen);
+ DISPOSE(H.Lines[--H.Size]);
+ return (char *)line;
+}
+
+void
+add_history(p)
+ char *p;
+{
+ if (p == NULL || *p == '\0')
+ return;
+
+#if defined(UNIQUE_HISTORY)
+ if (H.Pos && strcmp(p, H.Lines[H.Pos - 1]) == 0)
+ return;
+#endif /* defined(UNIQUE_HISTORY) */
+ hist_add((CHAR *)p);
+}
+
+
+STATIC STATUS
+beg_line()
+{
+ if (Point) {
+ Point = 0;
+ return CSmove;
+ }
+ return CSstay;
+}
+
+STATIC STATUS
+del_char()
+{
+ return delete_string(Repeat == NO_ARG ? 1 : Repeat);
+}
+
+STATIC STATUS
+end_line()
+{
+ if (Point != End) {
+ Point = End;
+ return CSmove;
+ }
+ return CSstay;
+}
+
+/*
+** Move back to the beginning of the current word and return an
+** allocated copy of it.
+*/
+STATIC CHAR *
+find_word()
+{
+ static char SEPS[] = "#;&|^$=`'{}()<>\n\t ";
+ CHAR *p;
+ CHAR *new;
+ SIZE_T len;
+
+ for (p = &Line[Point]; p > Line && strchr(SEPS, (char)p[-1]) == NULL; p--)
+ continue;
+ len = Point - (p - Line) + 1;
+ if ((new = NEW(CHAR, len)) == NULL)
+ return NULL;
+ COPYFROMTO(new, p, len);
+ new[len - 1] = '\0';
+ return new;
+}
+
+STATIC STATUS
+c_complete()
+{
+ CHAR *p;
+ CHAR *word;
+ int unique;
+ STATUS s;
+
+ word = find_word();
+ p = (CHAR *)rl_complete((char *)word, &unique);
+ if (word)
+ DISPOSE(word);
+ if (p && *p) {
+ s = insert_string(p);
+ if (!unique)
+ (void)ring_bell();
+ DISPOSE(p);
+ return s;
+ }
+ return ring_bell();
+}
+
+STATIC STATUS
+c_possible()
+{
+ CHAR **av;
+ CHAR *word;
+ int ac;
+
+ word = find_word();
+ ac = rl_list_possib((char *)word, (char ***)&av);
+ if (word)
+ DISPOSE(word);
+ if (ac) {
+ columns(ac, av);
+ while (--ac >= 0)
+ DISPOSE(av[ac]);
+ DISPOSE(av);
+ return CSmove;
+ }
+ return ring_bell();
+}
+
+STATIC STATUS
+accept_line()
+{
+ Line[End] = '\0';
+ return CSdone;
+}
+
+STATIC STATUS
+transpose()
+{
+ CHAR c;
+
+ if (Point) {
+ if (Point == End)
+ left(CSmove);
+ c = Line[Point - 1];
+ left(CSstay);
+ Line[Point - 1] = Line[Point];
+ TTYshow(Line[Point - 1]);
+ Line[Point++] = c;
+ TTYshow(c);
+ }
+ return CSstay;
+}
+
+STATIC STATUS
+quote()
+{
+ unsigned int c;
+
+ return (c = TTYget()) == EOF ? CSeof : insert_char((int)c);
+}
+
+STATIC STATUS
+wipe()
+{
+ int i;
+
+ if (Mark > End)
+ return ring_bell();
+
+ if (Point > Mark) {
+ i = Point;
+ Point = Mark;
+ Mark = i;
+ reposition();
+ }
+
+ return delete_string(Mark - Point);
+}
+
+STATIC STATUS
+mk_set()
+{
+ Mark = Point;
+ return CSstay;
+}
+
+STATIC STATUS
+exchange()
+{
+ unsigned int c;
+
+ if ((c = TTYget()) != CTL('X'))
+ return c == EOF ? CSeof : ring_bell();
+
+ if ((c = Mark) <= End) {
+ Mark = Point;
+ Point = c;
+ return CSmove;
+ }
+ return CSstay;
+}
+
+STATIC STATUS
+yank()
+{
+ if (Yanked && *Yanked)
+ return insert_string(Yanked);
+ return CSstay;
+}
+
+STATIC STATUS
+copy_region()
+{
+ if (Mark > End)
+ return ring_bell();
+
+ if (Point > Mark)
+ save_yank(Mark, Point - Mark);
+ else
+ save_yank(Point, Mark - Point);
+
+ return CSstay;
+}
+
+STATIC STATUS
+move_to_char()
+{
+ unsigned int c;
+ int i;
+ CHAR *p;
+
+ if ((c = TTYget()) == EOF)
+ return CSeof;
+ for (i = Point + 1, p = &Line[i]; i < End; i++, p++)
+ if (*p == c) {
+ Point = i;
+ return CSmove;
+ }
+ return CSstay;
+}
+
+STATIC STATUS
+fd_word()
+{
+ return do_forward(CSmove);
+}
+
+STATIC STATUS
+fd_kill_word()
+{
+ int i;
+
+ (void)do_forward(CSstay);
+ if (OldPoint != Point) {
+ i = Point - OldPoint;
+ Point = OldPoint;
+ return delete_string(i);
+ }
+ return CSstay;
+}
+
+STATIC STATUS
+bk_word()
+{
+ int i;
+ CHAR *p;
+
+ i = 0;
+ do {
+ for (p = &Line[Point]; p > Line && !isalnum(p[-1]); p--)
+ left(CSmove);
+
+ for (; p > Line && p[-1] != ' ' && isalnum(p[-1]); p--)
+ left(CSmove);
+
+ if (Point == 0)
+ break;
+ } while (++i < Repeat);
+
+ return CSstay;
+}
+
+STATIC STATUS
+bk_kill_word()
+{
+ (void)bk_word();
+ if (OldPoint != Point)
+ return delete_string(OldPoint - Point);
+ return CSstay;
+}
+
+STATIC int
+argify(line, avp)
+ CHAR *line;
+ CHAR ***avp;
+{
+ CHAR *c;
+ CHAR **p;
+ CHAR **new;
+ int ac;
+ int i;
+
+ i = MEM_INC;
+ if ((*avp = p = NEW(CHAR*, i))== NULL)
+ return 0;
+
+ for (c = line; isspace(*c); c++)
+ continue;
+ if (*c == '\n' || *c == '\0')
+ return 0;
+
+ for (ac = 0, p[ac++] = c; *c && *c != '\n'; ) {
+ if (isspace(*c)) {
+ *c++ = '\0';
+ if (*c && *c != '\n') {
+ if (ac + 1 == i) {
+ new = NEW(CHAR*, i + MEM_INC);
+ if (new == NULL) {
+ p[ac] = NULL;
+ return ac;
+ }
+ COPYFROMTO(new, p, i * sizeof (char **));
+ i += MEM_INC;
+ DISPOSE(p);
+ *avp = p = new;
+ }
+ p[ac++] = c;
+ }
+ }
+ else
+ c++;
+ }
+ *c = '\0';
+ p[ac] = NULL;
+ return ac;
+}
+
+STATIC STATUS
+last_argument()
+{
+ CHAR **av;
+ CHAR *p;
+ STATUS s;
+ int ac;
+
+ if (H.Size == 1 || (p = H.Lines[H.Size - 2]) == NULL)
+ return ring_bell();
+
+ if ((p = (CHAR *)strdup((char *)p)) == NULL)
+ return CSstay;
+ ac = argify(p, &av);
+
+ if (Repeat != NO_ARG)
+ s = Repeat < ac ? insert_string(av[Repeat]) : ring_bell();
+ else
+ s = ac ? insert_string(av[ac - 1]) : CSstay;
+
+ if (ac)
+ DISPOSE(av);
+ DISPOSE(p);
+ return s;
+}
+
+STATIC KEYMAP Map[33] = {
+ { CTL('@'), ring_bell },
+ { CTL('A'), beg_line },
+ { CTL('B'), bk_char },
+ { CTL('D'), del_char },
+ { CTL('E'), end_line },
+ { CTL('F'), fd_char },
+ { CTL('G'), ring_bell },
+ { CTL('H'), bk_del_char },
+ { CTL('I'), c_complete },
+ { CTL('J'), accept_line },
+ { CTL('K'), kill_line },
+ { CTL('L'), redisplay },
+ { CTL('M'), accept_line },
+ { CTL('N'), h_next },
+ { CTL('O'), ring_bell },
+ { CTL('P'), h_prev },
+ { CTL('Q'), ring_bell },
+ { CTL('R'), h_search },
+ { CTL('S'), ring_bell },
+ { CTL('T'), transpose },
+ { CTL('U'), ring_bell },
+ { CTL('V'), quote },
+ { CTL('W'), wipe },
+ { CTL('X'), exchange },
+ { CTL('Y'), yank },
+ { CTL('Z'), ring_bell },
+ { CTL('['), meta },
+ { CTL(']'), move_to_char },
+ { CTL('^'), ring_bell },
+ { CTL('_'), ring_bell },
+ { 0, NULL }
+};
+
+STATIC KEYMAP MetaMap[16]= {
+ { CTL('H'), bk_kill_word },
+ { DEL, bk_kill_word },
+ { ' ', mk_set },
+ { '.', last_argument },
+ { '<', h_first },
+ { '>', h_last },
+ { '?', c_possible },
+ { 'b', bk_word },
+ { 'd', fd_kill_word },
+ { 'f', fd_word },
+ { 'l', case_down_word },
+ { 'u', case_up_word },
+ { 'y', yank },
+ { 'w', copy_region },
+ { 0, NULL }
+};
