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-rw-r--r--crypto/heimdal/lib/editline/editline.c1376
1 files changed, 0 insertions, 1376 deletions
diff --git a/crypto/heimdal/lib/editline/editline.c b/crypto/heimdal/lib/editline/editline.c
deleted file mode 100644
index 24fa8464a9a1..000000000000
--- a/crypto/heimdal/lib/editline/editline.c
+++ /dev/null
@@ -1,1376 +0,0 @@
-/* Copyright 1992 Simmule Turner and Rich Salz. All rights reserved.
- *
- * This software is not subject to any license of the American Telephone
- * and Telegraph Company or of the Regents of the University of California.
- *
- * Permission is granted to anyone to use this software for any purpose on
- * any computer system, and to alter it and redistribute it freely, subject
- * to the following restrictions:
- * 1. The authors are not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits must appear in the documentation.
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits must appear in the documentation.
- * 4. This notice may not be removed or altered.
- */
-
-/*
-** Main editing routines for editline library.
-*/
-#include <config.h>
-#include "editline.h"
-#include <ctype.h>
-#include <errno.h>
-
-RCSID("$Id: editline.c,v 1.10 2001/09/13 01:19:54 assar Exp $");
-
-/*
-** 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 _el_STATUS {
- CSdone, CSeof, CSmove, CSdispatch, CSstay
-} el_STATUS;
-
-/*
-** The type of case-changing to perform.
-*/
-typedef enum _CASE {
- TOupper, TOlower
-} CASE;
-
-/*
-** Key to command mapping.
-*/
-typedef struct _KEYMAP {
- unsigned char Key;
- el_STATUS (*Function)();
-} KEYMAP;
-
-/*
-** Command history structure.
-*/
-typedef struct _HISTORY {
- int Size;
- int Pos;
- unsigned char *Lines[HIST_SIZE];
-} HISTORY;
-
-/*
-** Globals.
-*/
-int rl_eof;
-int rl_erase;
-int rl_intr;
-int rl_kill;
-
-static unsigned char NIL[] = "";
-static const unsigned char *Input = NIL;
-static unsigned char *Line;
-static const char *Prompt;
-static unsigned 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;
-static KEYMAP Map[33];
-static 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 unsigned char *editinput(void);
-char *tgetstr(const char*, char**);
-int tgetent(char*, const char*);
-int tgetnum(const char*);
-
-/*
-** TTY input/output functions.
-*/
-
-static void
-TTYflush()
-{
- if (ScreenCount) {
- write(1, Screen, ScreenCount);
- ScreenCount = 0;
- }
-}
-
-static void
-TTYput(unsigned char c)
-{
- Screen[ScreenCount] = c;
- if (++ScreenCount >= ScreenSize - 1) {
- ScreenSize += SCREEN_INC;
- Screen = realloc(Screen, ScreenSize);
- }
-}
-
-static void
-TTYputs(const char *p)
-{
- while (*p)
- TTYput(*p++);
-}
-
-static void
-TTYshow(unsigned 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(unsigned char *p)
-{
- while (*p)
- TTYshow(*p++);
-}
-
-static int
-TTYget()
-{
- char c;
- int e;
-
- TTYflush();
- if (Pushed) {
- Pushed = 0;
- return PushBack;
- }
- if (*Input)
- return *Input++;
- do {
- e = read(0, &c, 1);
- } while(e < 0 && errno == EINTR);
- if(e == 1)
- return c;
- return EOF;
-}
-
-static void
-TTYback(void)
-{
- if (backspace)
- TTYputs(backspace);
- else
- TTYput('\b');
-}
-
-static void
-TTYbackn(int n)
-{
- while (--n >= 0)
- TTYback();
-}
-
-static void
-TTYinfo()
-{
- static int init;
- char *term;
- char buff[2048];
- char *bp;
- char *tmp;
-#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;
- bp = &buff[0];
- if ((term = getenv("TERM")) == NULL)
- term = "dumb";
- if (tgetent(buff, term) < 0) {
- TTYwidth = SCREEN_WIDTH;
- TTYrows = SCREEN_ROWS;
- return;
- }
- tmp = tgetstr("le", &bp);
- if (tmp != NULL)
- backspace = strdup(tmp);
- else
- backspace = "\b";
- TTYwidth = tgetnum("co");
- TTYrows = tgetnum("li");
-
-#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(int ac, unsigned char **av)
-{
- unsigned 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(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(NEWLINE);
- }
-}
-
-static void
-reposition()
-{
- int i;
- unsigned char *p;
-
- TTYput('\r');
- TTYputs(Prompt);
- for (i = Point, p = Line; --i >= 0; p++)
- TTYshow(*p);
-}
-
-static void
-left(el_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(el_STATUS Change)
-{
- TTYshow(Line[Point]);
- if (Change == CSmove)
- Point++;
-}
-
-static el_STATUS
-ring_bell()
-{
- TTYput('\07');
- TTYflush();
- return CSstay;
-}
-
-static el_STATUS
-do_macro(unsigned char c)
-{
- unsigned char name[4];
-
- name[0] = '_';
- name[1] = c;
- name[2] = '_';
- name[3] = '\0';
-
- if ((Input = (unsigned char *)getenv((char *)name)) == NULL) {
- Input = NIL;
- return ring_bell();
- }
- return CSstay;
-}
-
-static el_STATUS
-do_forward(el_STATUS move)
-{
- int i;
- unsigned 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 el_STATUS
-do_case(CASE type)
-{
- int i;
- int end;
- int count;
- unsigned char *p;
-
- 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 el_STATUS
-case_down_word()
-{
- return do_case(TOlower);
-}
-
-static el_STATUS
-case_up_word()
-{
- return do_case(TOupper);
-}
-
-static void
-ceol()
-{
- int extras;
- int i;
- unsigned 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 el_STATUS
-insert_string(unsigned char *p)
-{
- size_t len;
- int i;
- unsigned char *new;
- unsigned char *q;
-
- len = strlen((char *)p);
- if (End + len >= Length) {
- if ((new = malloc(sizeof(unsigned char) * (Length + len + MEM_INC))) == NULL)
- return CSstay;
- if (Length) {
- memcpy(new, Line, Length);
- free(Line);
- }
- Line = new;
- Length += len + MEM_INC;
- }
-
- for (q = &Line[Point], i = End - Point; --i >= 0; )
- q[len + i] = q[i];
- memcpy(&Line[Point], p, len);
- End += len;
- Line[End] = '\0';
- TTYstring(&Line[Point]);
- Point += len;
-
- return Point == End ? CSstay : CSmove;
-}
-
-
-static unsigned char *
-next_hist()
-{
- return H.Pos >= H.Size - 1 ? NULL : H.Lines[++H.Pos];
-}
-
-static unsigned char *
-prev_hist()
-{
- return H.Pos == 0 ? NULL : H.Lines[--H.Pos];
-}
-
-static el_STATUS
-do_insert_hist(unsigned char *p)
-{
- if (p == NULL)
- return ring_bell();
- Point = 0;
- reposition();
- ceol();
- End = 0;
- return insert_string(p);
-}
-
-static el_STATUS
-do_hist(unsigned char *(*move)())
-{
- unsigned char *p;
- int i;
-
- i = 0;
- do {
- if ((p = (*move)()) == NULL)
- return ring_bell();
- } while (++i < Repeat);
- return do_insert_hist(p);
-}
-
-static el_STATUS
-h_next()
-{
- return do_hist(next_hist);
-}
-
-static el_STATUS
-h_prev()
-{
- return do_hist(prev_hist);
-}
-
-static el_STATUS
-h_first()
-{
- return do_insert_hist(H.Lines[H.Pos = 0]);
-}
-
-static el_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(char *text, char *pat, int len)
-{
- unsigned 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 unsigned char *
-search_hist(unsigned char *search, unsigned char *(*move)())
-{
- static unsigned char *old_search;
- int len;
- int pos;
- int (*match)();
- char *pat;
-
- /* Save or get remembered search pattern. */
- if (search && *search) {
- if (old_search)
- free(old_search);
- old_search = (unsigned 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 el_STATUS
-h_search()
-{
- static int Searching;
- const char *old_prompt;
- unsigned char *(*move)();
- unsigned char *p;
-
- if (Searching)
- return ring_bell();
- Searching = 1;
-
- clear_line();
- old_prompt = Prompt;
- Prompt = "Search: ";
- TTYputs(Prompt);
- move = Repeat == NO_ARG ? prev_hist : next_hist;
- p = search_hist(editinput(), move);
- clear_line();
- Prompt = old_prompt;
- TTYputs(Prompt);
-
- Searching = 0;
- return do_insert_hist(p);
-}
-
-static el_STATUS
-fd_char()
-{
- int i;
-
- i = 0;
- do {
- if (Point >= End)
- break;
- right(CSmove);
- } while (++i < Repeat);
- return CSstay;
-}
-
-static void
-save_yank(int begin, int i)
-{
- if (Yanked) {
- free(Yanked);
- Yanked = NULL;
- }
-
- if (i < 1)
- return;
-
- if ((Yanked = malloc(sizeof(unsigned char) * (i + 1))) != NULL) {
- memcpy(Yanked, &Line[begin], i);
- Yanked[i+1] = '\0';
- }
-}
-
-static el_STATUS
-delete_string(int count)
-{
- int i;
- unsigned 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 el_STATUS
-bk_char()
-{
- int i;
-
- i = 0;
- do {
- if (Point == 0)
- break;
- left(CSmove);
- } while (++i < Repeat);
-
- return CSstay;
-}
-
-static el_STATUS
-bk_del_char()
-{
- int i;
-
- i = 0;
- do {
- if (Point == 0)
- break;
- left(CSmove);
- } while (++i < Repeat);
-
- return delete_string(i);
-}
-
-static el_STATUS
-redisplay()
-{
- TTYputs(NEWLINE);
- TTYputs(Prompt);
- TTYstring(Line);
- return CSmove;
-}
-
-static el_STATUS
-kill_line()
-{
- int i;
-
- if (Repeat != NO_ARG) {
- if (Repeat < Point) {
- i = Point;
- Point = Repeat;
- reposition();
- delete_string(i - Point);
- }
- else if (Repeat > Point) {
- right(CSmove);
- delete_string(Repeat - Point - 1);
- }
- return CSmove;
- }
-
- save_yank(Point, End - Point);
- Line[Point] = '\0';
- ceol();
- End = Point;
- return CSstay;
-}
-
-static el_STATUS
-insert_char(int c)
-{
- el_STATUS s;
- unsigned char buff[2];
- unsigned char *p;
- unsigned char *q;
- int i;
-
- if (Repeat == NO_ARG || Repeat < 2) {
- buff[0] = c;
- buff[1] = '\0';
- return insert_string(buff);
- }
-
- if ((p = malloc(Repeat + 1)) == NULL)
- return CSstay;
- for (i = Repeat, q = p; --i >= 0; )
- *q++ = c;
- *q = '\0';
- Repeat = 0;
- s = insert_string(p);
- free(p);
- return s;
-}
-
-static el_STATUS
-meta()
-{
- unsigned int c;
- KEYMAP *kp;
-
- if ((c = TTYget()) == EOF)
- return CSeof;
- /* 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();
- }
-
- 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 el_STATUS
-emacs(unsigned int c)
-{
- el_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 el_STATUS
-TTYspecial(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 unsigned 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(unsigned char *p)
-{
- int i;
-
- if ((p = (unsigned char *)strdup((char *)p)) == NULL)
- return;
- if (H.Size < HIST_SIZE)
- H.Lines[H.Size++] = p;
- else {
- free(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(char *p)
-{
-}
-
-void
-rl_initialize(void)
-{
-}
-
-char *
-readline(const char* prompt)
-{
- unsigned char *line;
-
- if (Line == NULL) {
- Length = MEM_INC;
- if ((Line = malloc(Length)) == NULL)
- return NULL;
- }
-
- TTYinfo();
- rl_ttyset(0);
- hist_add(NIL);
- ScreenSize = SCREEN_INC;
- Screen = malloc(ScreenSize);
- Prompt = prompt ? prompt : (char *)NIL;
- TTYputs(Prompt);
- if ((line = editinput()) != NULL) {
- line = (unsigned char *)strdup((char *)line);
- TTYputs(NEWLINE);
- TTYflush();
- }
- rl_ttyset(1);
- free(Screen);
- free(H.Lines[--H.Size]);
- return (char *)line;
-}
-
-void
-add_history(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((unsigned char *)p);
-}
-
-
-static el_STATUS
-beg_line()
-{
- if (Point) {
- Point = 0;
- return CSmove;
- }
- return CSstay;
-}
-
-static el_STATUS
-del_char()
-{
- return delete_string(Repeat == NO_ARG ? 1 : Repeat);
-}
-
-static el_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 unsigned char *
-find_word()
-{
- static char SEPS[] = "#;&|^$=`'{}()<>\n\t ";
- unsigned char *p;
- unsigned 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 = malloc(len)) == NULL)
- return NULL;
- memcpy(new, p, len);
- new[len - 1] = '\0';
- return new;
-}
-
-static el_STATUS
-c_complete()
-{
- unsigned char *p;
- unsigned char *word;
- int unique;
- el_STATUS s;
-
- word = find_word();
- p = (unsigned char *)rl_complete((char *)word, &unique);
- if (word)
- free(word);
- if (p && *p) {
- s = insert_string(p);
- if (!unique)
- ring_bell();
- free(p);
- return s;
- }
- return ring_bell();
-}
-
-static el_STATUS
-c_possible()
-{
- unsigned char **av;
- unsigned char *word;
- int ac;
-
- word = find_word();
- ac = rl_list_possib((char *)word, (char ***)&av);
- if (word)
- free(word);
- if (ac) {
- columns(ac, av);
- while (--ac >= 0)
- free(av[ac]);
- free(av);
- return CSmove;
- }
- return ring_bell();
-}
-
-static el_STATUS
-accept_line()
-{
- Line[End] = '\0';
- return CSdone;
-}
-
-static el_STATUS
-transpose()
-{
- unsigned 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 el_STATUS
-quote()
-{
- unsigned int c;
-
- return (c = TTYget()) == EOF ? CSeof : insert_char((int)c);
-}
-
-static el_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 el_STATUS
-mk_set()
-{
- Mark = Point;
- return CSstay;
-}
-
-static el_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 el_STATUS
-yank()
-{
- if (Yanked && *Yanked)
- return insert_string(Yanked);
- return CSstay;
-}
-
-static el_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 el_STATUS
-move_to_char()
-{
- unsigned int c;
- int i;
- unsigned 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 el_STATUS
-fd_word()
-{
- return do_forward(CSmove);
-}
-
-static el_STATUS
-fd_kill_word()
-{
- int i;
-
- do_forward(CSstay);
- if (OldPoint != Point) {
- i = Point - OldPoint;
- Point = OldPoint;
- return delete_string(i);
- }
- return CSstay;
-}
-
-static el_STATUS
-bk_word()
-{
- int i;
- unsigned 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 el_STATUS
-bk_kill_word()
-{
- bk_word();
- if (OldPoint != Point)
- return delete_string(OldPoint - Point);
- return CSstay;
-}
-
-static int
-argify(unsigned char *line, unsigned char ***avp)
-{
- unsigned char *c;
- unsigned char **p;
- unsigned char **new;
- int ac;
- int i;
-
- i = MEM_INC;
- if ((*avp = p = malloc(sizeof(unsigned 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 = malloc(sizeof(unsigned char*) * (i + MEM_INC));
- if (new == NULL) {
- p[ac] = NULL;
- return ac;
- }
- memcpy(new, p, i * sizeof (char **));
- i += MEM_INC;
- free(p);
- *avp = p = new;
- }
- p[ac++] = c;
- }
- }
- else
- c++;
- }
- *c = '\0';
- p[ac] = NULL;
- return ac;
-}
-
-static el_STATUS
-last_argument()
-{
- unsigned char **av;
- unsigned char *p;
- el_STATUS s;
- int ac;
-
- if (H.Size == 1 || (p = H.Lines[H.Size - 2]) == NULL)
- return ring_bell();
-
- if ((p = (unsigned 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)
- free(av);
- free(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 }
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-26 15:50:32 +0000