1 files changed, 153 insertions, 155 deletions

diff --git a/lib/libedit/chared.c b/lib/libedit/chared.c
index 6a4f3f63ad01..2b57051fc44b 100644
--- a/lib/libedit/chared.c
+++ b/lib/libedit/chared.c
@@ -1,3 +1,5 @@
+/*	$NetBSD: chared.c,v 1.40 2014/06/18 18:12:28 christos Exp $	*/
+
 /*-
  * Copyright (c) 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -28,12 +30,15 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- *
- *	$NetBSD: chared.c,v 1.27 2009/02/15 21:55:23 christos Exp $
  */
 
+#include "config.h"
 #if !defined(lint) && !defined(SCCSID)
+#if 0
 static char sccsid[] = "@(#)chared.c	8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: chared.c,v 1.40 2014/06/18 18:12:28 christos Exp $");
+#endif
 #endif /* not lint && not SCCSID */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -41,12 +46,10 @@ __FBSDID("$FreeBSD$");
 /*
  * chared.c: Character editor utilities
  */
-#include "sys.h"
-
 #include <stdlib.h>
 #include "el.h"
 
-private void ch__clearmacro(EditLine *);
+private void ch__clearmacro (EditLine *);
 
 /* value to leave unused in line buffer */
 #define	EL_LEAVE	2
@@ -62,10 +65,10 @@ cv_undo(EditLine *el)
 	size_t size;
 
 	/* Save entire line for undo */
-	size = el->el_line.lastchar - el->el_line.buffer;
-	vu->len = size;
+	size = (size_t)(el->el_line.lastchar - el->el_line.buffer);
+	vu->len = (ssize_t)size;
 	vu->cursor = (int)(el->el_line.cursor - el->el_line.buffer);
-	memcpy(vu->buf, el->el_line.buffer, size);
+	(void)memcpy(vu->buf, el->el_line.buffer, size * sizeof(*vu->buf));
 
 	/* save command info for redo */
 	r->count = el->el_state.doingarg ? el->el_state.argument : 0;
@@ -79,11 +82,11 @@ cv_undo(EditLine *el)
  *	Save yank/delete data for paste
  */
 protected void
-cv_yank(EditLine *el, const char *ptr, int size)
+cv_yank(EditLine *el, const Char *ptr, int size)
 {
 	c_kill_t *k = &el->el_chared.c_kill;
 
-	memcpy(k->buf, ptr, (size_t)size);
+	(void)memcpy(k->buf, ptr, (size_t)size * sizeof(*k->buf));
 	k->last = k->buf + size;
 }
 
@@ -94,7 +97,7 @@ cv_yank(EditLine *el, const char *ptr, int size)
 protected void
 c_insert(EditLine *el, int num)
 {
-	char *cp;
+	Char *cp;
 
 	if (el->el_line.lastchar + num >= el->el_line.limit) {
 		if (!ch_enlargebufs(el, (size_t)num))
@@ -126,7 +129,7 @@ c_delafter(EditLine *el, int num)
 	}
 
 	if (num > 0) {
-		char *cp;
+		Char *cp;
 
 		for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)
 			*cp = cp[num];
@@ -142,7 +145,7 @@ c_delafter(EditLine *el, int num)
 protected void
 c_delafter1(EditLine *el)
 {
-	char *cp;
+	Char *cp;
 
 	for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)
 		*cp = cp[1];
@@ -167,7 +170,7 @@ c_delbefore(EditLine *el, int num)
 	}
 
 	if (num > 0) {
-		char *cp;
+		Char *cp;
 
 		for (cp = el->el_line.cursor - num;
 		    cp <= el->el_line.lastchar;
@@ -185,7 +188,7 @@ c_delbefore(EditLine *el, int num)
 protected void
 c_delbefore1(EditLine *el)
 {
-	char *cp;
+	Char *cp;
 
 	for (cp = el->el_line.cursor - 1; cp <= el->el_line.lastchar; cp++)
 		*cp = cp[1];
@@ -198,9 +201,9 @@ c_delbefore1(EditLine *el)
  *	Return if p is part of a word according to emacs
  */
 protected int
-ce__isword(int p)
+ce__isword(Int p)
 {
-	return (isalnum(p) || strchr("*?_-.[]~=", p) != NULL);
+	return Isalnum(p) || Strchr(STR("*?_-.[]~="), p) != NULL;
 }
 
 
@@ -208,11 +211,11 @@ ce__isword(int p)
  *	Return if p is part of a word according to vi
  */
 protected int
-cv__isword(int p)
+cv__isword(Int p)
 {
-	if (isalnum(p) || p == '_')
+	if (Isalnum(p) || p == '_')
 		return 1;
-	if (isgraph(p))
+	if (Isgraph(p))
 		return 2;
 	return 0;
 }
@@ -222,24 +225,24 @@ cv__isword(int p)
  *	Return if p is part of a big word according to vi
  */
 protected int
-cv__isWord(int p)
+cv__isWord(Int p)
 {
-	return (!isspace(p));
+	return !Isspace(p);
 }
 
 
 /* c__prev_word():
  *	Find the previous word
  */
-protected char *
-c__prev_word(char *p, char *low, int n, int (*wtest)(int))
+protected Char *
+c__prev_word(Char *p, Char *low, int n, int (*wtest)(Int))
 {
 	p--;
 
 	while (n--) {
-		while ((p >= low) && !(*wtest)((unsigned char) *p))
+		while ((p >= low) && !(*wtest)(*p))
 			p--;
-		while ((p >= low) && (*wtest)((unsigned char) *p))
+		while ((p >= low) && (*wtest)(*p))
 			p--;
 	}
 
@@ -248,117 +251,83 @@ c__prev_word(char *p, char *low, int n, int (*wtest)(int))
 	if (p < low)
 		p = low;
 	/* cp now points where we want it */
-	return (p);
+	return p;
 }
 
 
 /* c__next_word():
  *	Find the next word
  */
-protected char *
-c__next_word(char *p, char *high, int n, int (*wtest)(int))
+protected Char *
+c__next_word(Char *p, Char *high, int n, int (*wtest)(Int))
 {
 	while (n--) {
-		while ((p < high) && !(*wtest)((unsigned char) *p))
+		while ((p < high) && !(*wtest)(*p))
 			p++;
-		while ((p < high) && (*wtest)((unsigned char) *p))
+		while ((p < high) && (*wtest)(*p))
 			p++;
 	}
 	if (p > high)
 		p = high;
 	/* p now points where we want it */
-	return (p);
+	return p;
 }
 
 /* cv_next_word():
  *	Find the next word vi style
  */
-protected char *
-cv_next_word(EditLine *el, char *p, char *high, int n, int (*wtest)(int))
+protected Char *
+cv_next_word(EditLine *el, Char *p, Char *high, int n, int (*wtest)(Int))
 {
 	int test;
 
 	while (n--) {
-		test = (*wtest)((unsigned char) *p);
-		while ((p < high) && (*wtest)((unsigned char) *p) == test)
+		test = (*wtest)(*p);
+		while ((p < high) && (*wtest)(*p) == test)
 			p++;
 		/*
 		 * vi historically deletes with cw only the word preserving the
 		 * trailing whitespace! This is not what 'w' does..
 		 */
 		if (n || el->el_chared.c_vcmd.action != (DELETE|INSERT))
-			while ((p < high) && isspace((unsigned char) *p))
+			while ((p < high) && Isspace(*p))
 				p++;
 	}
 
 	/* p now points where we want it */
 	if (p > high)
-		return (high);
+		return high;
 	else
-		return (p);
+		return p;
 }
 
 
 /* cv_prev_word():
  *	Find the previous word vi style
  */
-protected char *
-cv_prev_word(char *p, char *low, int n, int (*wtest)(int))
+protected Char *
+cv_prev_word(Char *p, Char *low, int n, int (*wtest)(Int))
 {
 	int test;
 
 	p--;
 	while (n--) {
-		while ((p > low) && isspace((unsigned char) *p))
+		while ((p > low) && Isspace(*p))
 			p--;
-		test = (*wtest)((unsigned char) *p);
-		while ((p >= low) && (*wtest)((unsigned char) *p) == test)
+		test = (*wtest)(*p);
+		while ((p >= low) && (*wtest)(*p) == test)
 			p--;
 	}
 	p++;
 
 	/* p now points where we want it */
 	if (p < low)
-		return (low);
+		return low;
 	else
-		return (p);
+		return p;
 }
 
 
-#ifdef notdef
-/* c__number():
- *	Ignore character p points to, return number appearing after that.
- * 	A '$' by itself means a big number; "$-" is for negative; '^' means 1.
- * 	Return p pointing to last char used.
- */
-protected char *
-c__number(
-    char *p,	/* character position */
-    int *num,	/* Return value	*/
-    int dval)	/* dval is the number to subtract from like $-3 */
-{
-	int i;
-	int sign = 1;
-
-	if (*++p == '^') {
-		*num = 1;
-		return (p);
-	}
-	if (*p == '$') {
-		if (*++p != '-') {
-			*num = 0x7fffffff;	/* Handle $ */
-			return (--p);
-		}
-		sign = -1;			/* Handle $- */
-		++p;
-	}
-	for (i = 0; isdigit((unsigned char) *p); i = 10 * i + *p++ - '0')
-		continue;
-	*num = (sign < 0 ? dval - i : i);
-	return (--p);
-}
-#endif
-
 /* cv_delfini():
  *	Finish vi delete action
  */
@@ -397,48 +366,26 @@ cv_delfini(EditLine *el)
 }
 
 
-#ifdef notdef
-/* ce__endword():
- *	Go to the end of this word according to emacs
- */
-protected char *
-ce__endword(char *p, char *high, int n)
-{
-	p++;
-
-	while (n--) {
-		while ((p < high) && isspace((unsigned char) *p))
-			p++;
-		while ((p < high) && !isspace((unsigned char) *p))
-			p++;
-	}
-
-	p--;
-	return (p);
-}
-#endif
-
-
 /* cv__endword():
  *	Go to the end of this word according to vi
  */
-protected char *
-cv__endword(char *p, char *high, int n, int (*wtest)(int))
+protected Char *
+cv__endword(Char *p, Char *high, int n, int (*wtest)(Int))
 {
 	int test;
 
 	p++;
 
 	while (n--) {
-		while ((p < high) && isspace((unsigned char) *p))
+		while ((p < high) && Isspace(*p))
 			p++;
 
-		test = (*wtest)((unsigned char) *p);
-		while ((p < high) && (*wtest)((unsigned char) *p) == test)
+		test = (*wtest)(*p);
+		while ((p < high) && (*wtest)(*p) == test)
 			p++;
 	}
 	p--;
-	return (p);
+	return p;
 }
 
 /* ch_init():
@@ -449,24 +396,29 @@ ch_init(EditLine *el)
 {
 	c_macro_t *ma = &el->el_chared.c_macro;
 
-	el->el_line.buffer		= (char *) el_malloc(EL_BUFSIZ);
+	el->el_line.buffer		= el_malloc(EL_BUFSIZ *
+	    sizeof(*el->el_line.buffer));
 	if (el->el_line.buffer == NULL)
-		return (-1);
+		return -1;
 
-	(void) memset(el->el_line.buffer, 0, EL_BUFSIZ);
+	(void) memset(el->el_line.buffer, 0, EL_BUFSIZ *
+	    sizeof(*el->el_line.buffer));
 	el->el_line.cursor		= el->el_line.buffer;
 	el->el_line.lastchar		= el->el_line.buffer;
 	el->el_line.limit		= &el->el_line.buffer[EL_BUFSIZ - EL_LEAVE];
 
-	el->el_chared.c_undo.buf	= (char *) el_malloc(EL_BUFSIZ);
+	el->el_chared.c_undo.buf	= el_malloc(EL_BUFSIZ *
+	    sizeof(*el->el_chared.c_undo.buf));
 	if (el->el_chared.c_undo.buf == NULL)
-		return (-1);
-	(void) memset(el->el_chared.c_undo.buf, 0, EL_BUFSIZ);
+		return -1;
+	(void) memset(el->el_chared.c_undo.buf, 0, EL_BUFSIZ *
+	    sizeof(*el->el_chared.c_undo.buf));
 	el->el_chared.c_undo.len	= -1;
 	el->el_chared.c_undo.cursor	= 0;
-	el->el_chared.c_redo.buf	= (char *) el_malloc(EL_BUFSIZ);
+	el->el_chared.c_redo.buf	= el_malloc(EL_BUFSIZ *
+	    sizeof(*el->el_chared.c_redo.buf));
 	if (el->el_chared.c_redo.buf == NULL)
-		return (-1);
+		return -1;
 	el->el_chared.c_redo.pos	= el->el_chared.c_redo.buf;
 	el->el_chared.c_redo.lim	= el->el_chared.c_redo.buf + EL_BUFSIZ;
 	el->el_chared.c_redo.cmd	= ED_UNASSIGNED;
@@ -474,12 +426,18 @@ ch_init(EditLine *el)
 	el->el_chared.c_vcmd.action	= NOP;
 	el->el_chared.c_vcmd.pos	= el->el_line.buffer;
 
-	el->el_chared.c_kill.buf	= (char *) el_malloc(EL_BUFSIZ);
+	el->el_chared.c_kill.buf	= el_malloc(EL_BUFSIZ *
+	    sizeof(*el->el_chared.c_kill.buf));
 	if (el->el_chared.c_kill.buf == NULL)
-		return (-1);
-	(void) memset(el->el_chared.c_kill.buf, 0, EL_BUFSIZ);
+		return -1;
+	(void) memset(el->el_chared.c_kill.buf, 0, EL_BUFSIZ *
+	    sizeof(*el->el_chared.c_kill.buf));
 	el->el_chared.c_kill.mark	= el->el_line.buffer;
 	el->el_chared.c_kill.last	= el->el_chared.c_kill.buf;
+	el->el_chared.c_resizefun	= NULL;
+	el->el_chared.c_resizearg	= NULL;
+	el->el_chared.c_aliasfun	= NULL;
+	el->el_chared.c_aliasarg	= NULL;
 
 	el->el_map.current		= el->el_map.key;
 
@@ -491,10 +449,10 @@ ch_init(EditLine *el)
 
 	ma->level	= -1;
 	ma->offset	= 0;
-	ma->macro	= (char **) el_malloc(EL_MAXMACRO * sizeof(char *));
+	ma->macro	= el_malloc(EL_MAXMACRO * sizeof(*ma->macro));
 	if (ma->macro == NULL)
-		return (-1);
-	return (0);
+		return -1;
+	return 0;
 }
 
 /* ch_reset():
@@ -533,7 +491,7 @@ ch__clearmacro(EditLine *el)
 {
 	c_macro_t *ma = &el->el_chared.c_macro;
 	while (ma->level >= 0)
-		el_free((ptr_t)ma->macro[ma->level--]);
+		el_free(ma->macro[ma->level--]);
 }
 
 /* ch_enlargebufs():
@@ -544,9 +502,9 @@ protected int
 ch_enlargebufs(EditLine *el, size_t addlen)
 {
 	size_t sz, newsz;
-	char *newbuffer, *oldbuf, *oldkbuf;
+	Char *newbuffer, *oldbuf, *oldkbuf;
 
-	sz = el->el_line.limit - el->el_line.buffer + EL_LEAVE;
+	sz = (size_t)(el->el_line.limit - el->el_line.buffer + EL_LEAVE);
 	newsz = sz * 2;
 	/*
 	 * If newly required length is longer than current buffer, we need
@@ -560,12 +518,12 @@ ch_enlargebufs(EditLine *el, size_t addlen)
 	/*
 	 * Reallocate line buffer.
 	 */
-	newbuffer = el_realloc(el->el_line.buffer, newsz);
+	newbuffer = el_realloc(el->el_line.buffer, newsz * sizeof(*newbuffer));
 	if (!newbuffer)
 		return 0;
 
 	/* zero the newly added memory, leave old data in */
-	(void) memset(&newbuffer[sz], 0, newsz - sz);
+	(void) memset(&newbuffer[sz], 0, (newsz - sz) * sizeof(*newbuffer));
 	    
 	oldbuf = el->el_line.buffer;
 
@@ -578,12 +536,13 @@ ch_enlargebufs(EditLine *el, size_t addlen)
 	/*
 	 * Reallocate kill buffer.
 	 */
-	newbuffer = el_realloc(el->el_chared.c_kill.buf, newsz);
+	newbuffer = el_realloc(el->el_chared.c_kill.buf, newsz *
+	    sizeof(*newbuffer));
 	if (!newbuffer)
 		return 0;
 
 	/* zero the newly added memory, leave old data in */
-	(void) memset(&newbuffer[sz], 0, newsz - sz);
+	(void) memset(&newbuffer[sz], 0, (newsz - sz) * sizeof(*newbuffer));
 
 	oldkbuf = el->el_chared.c_kill.buf;
 
@@ -596,15 +555,17 @@ ch_enlargebufs(EditLine *el, size_t addlen)
 	/*
 	 * Reallocate undo buffer.
 	 */
-	newbuffer = el_realloc(el->el_chared.c_undo.buf, newsz);
+	newbuffer = el_realloc(el->el_chared.c_undo.buf,
+	    newsz * sizeof(*newbuffer));
 	if (!newbuffer)
 		return 0;
 
 	/* zero the newly added memory, leave old data in */
-	(void) memset(&newbuffer[sz], 0, newsz - sz);
+	(void) memset(&newbuffer[sz], 0, (newsz - sz) * sizeof(*newbuffer));
 	el->el_chared.c_undo.buf = newbuffer;
 
-	newbuffer = el_realloc(el->el_chared.c_redo.buf, newsz);
+	newbuffer = el_realloc(el->el_chared.c_redo.buf,
+	    newsz * sizeof(*newbuffer));
 	if (!newbuffer)
 		return 0;
 	el->el_chared.c_redo.pos = newbuffer +
@@ -618,6 +579,8 @@ ch_enlargebufs(EditLine *el, size_t addlen)
 
 	/* Safe to set enlarged buffer size */
 	el->el_line.limit  = &el->el_line.buffer[newsz - EL_LEAVE];
+	if (el->el_chared.c_resizefun)
+		(*el->el_chared.c_resizefun)(el, el->el_chared.c_resizearg);
 	return 1;
 }
 
@@ -627,20 +590,20 @@ ch_enlargebufs(EditLine *el, size_t addlen)
 protected void
 ch_end(EditLine *el)
 {
-	el_free((ptr_t) el->el_line.buffer);
+	el_free(el->el_line.buffer);
 	el->el_line.buffer = NULL;
 	el->el_line.limit = NULL;
-	el_free((ptr_t) el->el_chared.c_undo.buf);
+	el_free(el->el_chared.c_undo.buf);
 	el->el_chared.c_undo.buf = NULL;
-	el_free((ptr_t) el->el_chared.c_redo.buf);
+	el_free(el->el_chared.c_redo.buf);
 	el->el_chared.c_redo.buf = NULL;
 	el->el_chared.c_redo.pos = NULL;
 	el->el_chared.c_redo.lim = NULL;
 	el->el_chared.c_redo.cmd = ED_UNASSIGNED;
-	el_free((ptr_t) el->el_chared.c_kill.buf);
+	el_free(el->el_chared.c_kill.buf);
 	el->el_chared.c_kill.buf = NULL;
 	ch_reset(el, 1);
-	el_free((ptr_t) el->el_chared.c_macro.macro);
+	el_free(el->el_chared.c_macro.macro);
 	el->el_chared.c_macro.macro = NULL;
 }
 
@@ -649,21 +612,21 @@ ch_end(EditLine *el)
  *	Insert string at cursorI
  */
 public int
-el_insertstr(EditLine *el, const char *s)
+FUN(el,insertstr)(EditLine *el, const Char *s)
 {
 	size_t len;
 
-	if ((len = strlen(s)) == 0)
-		return (-1);
+	if (s == NULL || (len = Strlen(s)) == 0)
+		return -1;
 	if (el->el_line.lastchar + len >= el->el_line.limit) {
 		if (!ch_enlargebufs(el, len))
-			return (-1);
+			return -1;
 	}
 
 	c_insert(el, (int)len);
 	while (*s)
 		*el->el_line.cursor++ = *s++;
-	return (0);
+	return 0;
 }
 
 
@@ -685,19 +648,38 @@ el_deletestr(EditLine *el, int n)
 		el->el_line.cursor = el->el_line.buffer;
 }
 
+/* el_cursor():
+ *	Move the cursor to the left or the right of the current position
+ */
+public int
+el_cursor(EditLine *el, int n)
+{
+	if (n == 0)
+		goto out;
+
+	el->el_line.cursor += n;
+
+	if (el->el_line.cursor < el->el_line.buffer)
+		el->el_line.cursor = el->el_line.buffer;
+	if (el->el_line.cursor > el->el_line.lastchar)
+		el->el_line.cursor = el->el_line.lastchar;
+out:
+	return (int)(el->el_line.cursor - el->el_line.buffer);
+}
+
 /* c_gets():
  *	Get a string
  */
 protected int
-c_gets(EditLine *el, char *buf, const char *prompt)
+c_gets(EditLine *el, Char *buf, const Char *prompt)
 {
-	char ch;
+	Char ch;
 	ssize_t len;
-	char *cp = el->el_line.buffer;
+	Char *cp = el->el_line.buffer;
 
 	if (prompt) {
-		len = strlen(prompt);
-		memcpy(cp, prompt, (size_t)len);
+		len = (ssize_t)Strlen(prompt);
+		(void)memcpy(cp, prompt, (size_t)len * sizeof(*cp));
 		cp += len;
 	}
 	len = 0;
@@ -708,7 +690,7 @@ c_gets(EditLine *el, char *buf, const char *prompt)
 		el->el_line.lastchar = cp + 1;
 		re_refresh(el);
 
-		if (el_getc(el, &ch) != 1) {
+		if (FUN(el,getc)(el, &ch) != 1) {
 			ed_end_of_file(el, 0);
 			len = -1;
 			break;
@@ -716,8 +698,8 @@ c_gets(EditLine *el, char *buf, const char *prompt)
 
 		switch (ch) {
 
-		case '\010':	/* Delete and backspace */
-		case '\177':
+		case 0010:	/* Delete and backspace */
+		case 0177:
 			if (len == 0) {
 				len = -1;
 				break;
@@ -725,15 +707,15 @@ c_gets(EditLine *el, char *buf, const char *prompt)
 			cp--;
 			continue;
 
-		case '\033':	/* ESC */
+		case 0033:	/* ESC */
 		case '\r':	/* Newline */
 		case '\n':
 			buf[len] = ch;
 			break;
 
 		default:
-			if (len >= EL_BUFSIZ - 16)
-				term_beep(el);
+			if (len >= (ssize_t)(EL_BUFSIZ - 16))
+				terminal_beep(el);
 			else {
 				buf[len++] = ch;
 				*cp++ = ch;
@@ -756,13 +738,13 @@ c_gets(EditLine *el, char *buf, const char *prompt)
 protected int
 c_hpos(EditLine *el)
 {
-	char *ptr;
+	Char *ptr;
 
 	/*
 	 * Find how many characters till the beginning of this line.
 	 */
 	if (el->el_line.cursor == el->el_line.buffer)
-		return (0);
+		return 0;
 	else {
 		for (ptr = el->el_line.cursor - 1;
 		     ptr >= el->el_line.buffer && *ptr != '\n';
@@ -771,3 +753,19 @@ c_hpos(EditLine *el)
 		return (int)(el->el_line.cursor - ptr - 1);
 	}
 }
+
+protected int
+ch_resizefun(EditLine *el, el_zfunc_t f, void *a)
+{
+	el->el_chared.c_resizefun = f;
+	el->el_chared.c_resizearg = a;
+	return 0;
+}
+
+protected int
+ch_aliasfun(EditLine *el, el_afunc_t f, void *a)
+{
+	el->el_chared.c_aliasfun = f;
+	el->el_chared.c_aliasarg = a;
+	return 0;
+}