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random.c
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random.c
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/* random.c
*
* This file contains the command processing functions for a number of
* random commands. There is no functional grouping here, for sure.
*
* Modified by Petri Kutvonen
*/
#include <stdio.h>
#include "estruct.h"
#include "edef.h"
#include "efunc.h"
#include "line.h"
int tabsize; /* Tab size (0: use real tabs) */
/*
* Set fill column to n.
*/
int setfillcol(int f, int n)
{
fillcol = n;
mlwrite("(Fill column is %d)", n);
return TRUE;
}
/*
* Display the current position of the cursor, in origin 1 X-Y coordinates,
* the character that is under the cursor (in hex), and the fraction of the
* text that is before the cursor. The displayed column is not the current
* column, but the column that would be used on an infinite width display.
* Normally this is bound to "C-X =".
*/
int showcpos(int f, int n)
{
struct line *lp; /* current line */
long numchars; /* # of chars in file */
int numlines; /* # of lines in file */
long predchars; /* # chars preceding point */
int predlines; /* # lines preceding point */
int curchar; /* character under cursor */
int ratio;
int col;
int savepos; /* temp save for current offset */
int ecol; /* column pos/end of current line */
/* starting at the beginning of the buffer */
lp = lforw(curbp->b_linep);
/* start counting chars and lines */
numchars = 0;
numlines = 0;
predchars = 0;
predlines = 0;
curchar = 0;
while (lp != curbp->b_linep) {
/* if we are on the current line, record it */
if (lp == curwp->w_dotp) {
predlines = numlines;
predchars = numchars + curwp->w_doto;
if ((curwp->w_doto) == llength(lp))
curchar = '\n';
else
curchar = lgetc(lp, curwp->w_doto);
}
/* on to the next line */
++numlines;
numchars += llength(lp) + 1;
lp = lforw(lp);
}
/* if at end of file, record it */
if (curwp->w_dotp == curbp->b_linep) {
predlines = numlines;
predchars = numchars;
#if PKCODE
curchar = 0;
#endif
}
/* Get real column and end-of-line column. */
col = getccol(FALSE);
savepos = curwp->w_doto;
curwp->w_doto = llength(curwp->w_dotp);
ecol = getccol(FALSE);
curwp->w_doto = savepos;
ratio = 0; /* Ratio before dot. */
if (numchars != 0)
ratio = (100L * predchars) / numchars;
/* summarize and report the info */
mlwrite("Line %d/%d Col %d/%d Char %D/%D (%d%%) char = 0x%x",
predlines + 1, numlines + 1, col, ecol,
predchars, numchars, ratio, curchar);
return TRUE;
}
int getcline(void)
{ /* get the current line number */
struct line *lp; /* current line */
int numlines; /* # of lines before point */
/* starting at the beginning of the buffer */
lp = lforw(curbp->b_linep);
/* start counting lines */
numlines = 0;
while (lp != curbp->b_linep) {
/* if we are on the current line, record it */
if (lp == curwp->w_dotp)
break;
++numlines;
lp = lforw(lp);
}
/* and return the resulting count */
return numlines + 1;
}
/*
* Return current column. Stop at first non-blank given TRUE argument.
*/
int getccol(int bflg)
{
int i, col;
struct line *dlp = curwp->w_dotp;
int byte_offset = curwp->w_doto;
int len = llength(dlp);
col = i = 0;
while (i < byte_offset) {
unicode_t c;
i += utf8_to_unicode(dlp->l_text, i, len, &c);
if (c != ' ' && c != '\t' && bflg)
break;
if (c == '\t')
col |= tabmask;
else if (c < 0x20 || c == 0x7F)
++col;
else if (c >= 0xc0 && c <= 0xa0)
col += 2;
++col;
}
return col;
}
/*
* Set current column.
*
* int pos; position to set cursor
*/
int setccol(int pos)
{
int c; /* character being scanned */
int i; /* index into current line */
int col; /* current cursor column */
int llen; /* length of line in bytes */
col = 0;
llen = llength(curwp->w_dotp);
/* scan the line until we are at or past the target column */
for (i = 0; i < llen; ++i) {
/* upon reaching the target, drop out */
if (col >= pos)
break;
/* advance one character */
c = lgetc(curwp->w_dotp, i);
if (c == '\t')
col |= tabmask;
else if (c < 0x20 || c == 0x7F)
++col;
++col;
}
/* set us at the new position */
curwp->w_doto = i;
/* and tell weather we made it */
return col >= pos;
}
/*
* Twiddle the two characters on either side of dot. If dot is at the end of
* the line twiddle the two characters before it. Return with an error if dot
* is at the beginning of line; it seems to be a bit pointless to make this
* work. This fixes up a very common typo with a single stroke. Normally bound
* to "C-T". This always works within a line, so "WFEDIT" is good enough.
*/
int twiddle(int f, int n)
{
struct line *dotp;
int doto;
int cl;
int cr;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
dotp = curwp->w_dotp;
doto = curwp->w_doto;
if (doto == llength(dotp) && --doto < 0)
return FALSE;
cr = lgetc(dotp, doto);
if (--doto < 0)
return FALSE;
cl = lgetc(dotp, doto);
lputc(dotp, doto + 0, cr);
lputc(dotp, doto + 1, cl);
lchange(WFEDIT);
return TRUE;
}
/*
* Quote the next character, and insert it into the buffer. All the characters
* are taken literally, with the exception of the newline, which always has
* its line splitting meaning. The character is always read, even if it is
* inserted 0 times, for regularity. Bound to "C-Q"
*/
int quote(int f, int n)
{
int s;
int c;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
c = tgetc();
if (n < 0)
return FALSE;
if (n == 0)
return TRUE;
if (c == '\n') {
do {
s = lnewline();
} while (s == TRUE && --n);
return s;
}
return linsert(n, c);
}
/*
* Set tab size if given non-default argument (n <> 1). Otherwise, insert a
* tab into file. If given argument, n, of zero, change to true tabs.
* If n > 1, simulate tab stop every n-characters using spaces. This has to be
* done in this slightly funny way because the tab (in ASCII) has been turned
* into "C-I" (in 10 bit code) already. Bound to "C-I".
*/
int insert_tab(int f, int n)
{
if (n < 0)
return FALSE;
if (n == 0 || n > 1) {
tabsize = n;
return TRUE;
}
if (!tabsize)
return linsert(1, '\t');
return linsert(tabsize - (getccol(FALSE) % tabsize), ' ');
}
#if AEDIT
/*
* change tabs to spaces
*
* int f, n; default flag and numeric repeat count
*/
int detab(int f, int n)
{
int inc; /* increment to next line [sgn(n)] */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (f == FALSE)
n = 1;
/* loop thru detabbing n lines */
inc = ((n > 0) ? 1 : -1);
while (n) {
curwp->w_doto = 0; /* start at the beginning */
/* detab the entire current line */
while (curwp->w_doto < llength(curwp->w_dotp)) {
/* if we have a tab */
if (lgetc(curwp->w_dotp, curwp->w_doto) == '\t') {
ldelchar(1, FALSE);
insspace(TRUE,
(tabmask + 1) -
(curwp->w_doto & tabmask));
}
forwchar(FALSE, 1);
}
/* advance/or back to the next line */
forwline(TRUE, inc);
n -= inc;
}
curwp->w_doto = 0; /* to the begining of the line */
thisflag &= ~CFCPCN; /* flag that this resets the goal column */
lchange(WFEDIT); /* yes, we have made at least an edit */
return TRUE;
}
/*
* change spaces to tabs where posible
*
* int f, n; default flag and numeric repeat count
*/
int entab(int f, int n)
{
int inc; /* increment to next line [sgn(n)] */
int fspace; /* pointer to first space if in a run */
int ccol; /* current cursor column */
char cchar; /* current character */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (f == FALSE)
n = 1;
/* loop thru entabbing n lines */
inc = ((n > 0) ? 1 : -1);
while (n) {
curwp->w_doto = 0; /* start at the beginning */
/* entab the entire current line */
fspace = -1;
ccol = 0;
while (curwp->w_doto < llength(curwp->w_dotp)) {
/* see if it is time to compress */
if ((fspace >= 0) && (nextab(fspace) <= ccol)) {
if (ccol - fspace < 2)
fspace = -1;
else {
/* there is a bug here dealing with mixed space/tabed
lines.......it will get fixed */
backchar(TRUE, ccol - fspace);
ldelete((long) (ccol - fspace),
FALSE);
linsert(1, '\t');
fspace = -1;
}
}
/* get the current character */
cchar = lgetc(curwp->w_dotp, curwp->w_doto);
switch (cchar) {
case '\t': /* a tab...count em up */
ccol = nextab(ccol);
break;
case ' ': /* a space...compress? */
if (fspace == -1)
fspace = ccol;
ccol++;
break;
default: /* any other char...just count */
ccol++;
fspace = -1;
break;
}
forwchar(FALSE, 1);
}
/* advance/or back to the next line */
forwline(TRUE, inc);
n -= inc;
}
curwp->w_doto = 0; /* to the begining of the line */
thisflag &= ~CFCPCN; /* flag that this resets the goal column */
lchange(WFEDIT); /* yes, we have made at least an edit */
return TRUE;
}
/*
* trim trailing whitespace from the point to eol
*
* int f, n; default flag and numeric repeat count
*/
int trim(int f, int n)
{
struct line *lp; /* current line pointer */
int offset; /* original line offset position */
int length; /* current length */
int inc; /* increment to next line [sgn(n)] */
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (f == FALSE)
n = 1;
/* loop thru trimming n lines */
inc = ((n > 0) ? 1 : -1);
while (n) {
lp = curwp->w_dotp; /* find current line text */
offset = curwp->w_doto; /* save original offset */
length = lp->l_used; /* find current length */
/* trim the current line */
while (length > offset) {
if (lgetc(lp, length - 1) != ' ' &&
lgetc(lp, length - 1) != '\t')
break;
length--;
}
lp->l_used = length;
/* advance/or back to the next line */
forwline(TRUE, inc);
n -= inc;
}
lchange(WFEDIT);
thisflag &= ~CFCPCN; /* flag that this resets the goal column */
return TRUE;
}
#endif
/*
* Open up some blank space. The basic plan is to insert a bunch of newlines,
* and then back up over them. Everything is done by the subcommand
* procerssors. They even handle the looping. Normally this is bound to "C-O".
*/
int openline(int f, int n)
{
int i;
int s;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (n < 0)
return FALSE;
if (n == 0)
return TRUE;
i = n; /* Insert newlines. */
do {
s = lnewline();
} while (s == TRUE && --i);
if (s == TRUE) /* Then back up overtop */
s = backchar(f, n); /* of them all. */
return s;
}
/*
* Insert a newline. Bound to "C-M". If we are in CMODE, do automatic
* indentation as specified.
*/
int insert_newline(int f, int n)
{
int s;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (n < 0)
return FALSE;
/* if we are in C mode and this is a default <NL> */
if (n == 1 && (curbp->b_mode & MDCMOD) &&
curwp->w_dotp != curbp->b_linep)
return cinsert();
/*
* If a newline was typed, fill column is defined, the argument is non-
* negative, wrap mode is enabled, and we are now past fill column,
* and we are not read-only, perform word wrap.
*/
if ((curwp->w_bufp->b_mode & MDWRAP) && fillcol > 0 &&
getccol(FALSE) > fillcol &&
(curwp->w_bufp->b_mode & MDVIEW) == FALSE)
execute(META | SPEC | 'W', FALSE, 1);
/* insert some lines */
while (n--) {
if ((s = lnewline()) != TRUE)
return s;
#if SCROLLCODE
curwp->w_flag |= WFINS;
#endif
}
return TRUE;
}
int cinsert(void)
{ /* insert a newline and indentation for C */
char *cptr; /* string pointer into text to copy */
int tptr; /* index to scan into line */
int bracef; /* was there a brace at the end of line? */
int i;
char ichar[NSTRING]; /* buffer to hold indent of last line */
/* grab a pointer to text to copy indentation from */
cptr = &curwp->w_dotp->l_text[0];
/* check for a brace */
tptr = curwp->w_doto - 1;
bracef = (cptr[tptr] == '{');
/* save the indent of the previous line */
i = 0;
while ((i < tptr) && (cptr[i] == ' ' || cptr[i] == '\t')
&& (i < NSTRING - 1)) {
ichar[i] = cptr[i];
++i;
}
ichar[i] = 0; /* terminate it */
/* put in the newline */
if (lnewline() == FALSE)
return FALSE;
/* and the saved indentation */
linstr(ichar);
/* and one more tab for a brace */
if (bracef)
insert_tab(FALSE, 1);
#if SCROLLCODE
curwp->w_flag |= WFINS;
#endif
return TRUE;
}
#if NBRACE
/*
* insert a brace into the text here...we are in CMODE
*
* int n; repeat count
* int c; brace to insert (always } for now)
*/
int insbrace(int n, int c)
{
int ch; /* last character before input */
int oc; /* caractere oppose a c */
int i, count;
int target; /* column brace should go after */
struct line *oldlp;
int oldoff;
/* if we aren't at the beginning of the line... */
if (curwp->w_doto != 0)
/* scan to see if all space before this is white space */
for (i = curwp->w_doto - 1; i >= 0; --i) {
ch = lgetc(curwp->w_dotp, i);
if (ch != ' ' && ch != '\t')
return linsert(n, c);
}
/* chercher le caractere oppose correspondant */
switch (c) {
case '}':
oc = '{';
break;
case ']':
oc = '[';
break;
case ')':
oc = '(';
break;
default:
return FALSE;
}
oldlp = curwp->w_dotp;
oldoff = curwp->w_doto;
count = 1;
backchar(FALSE, 1);
while (count > 0) {
if (curwp->w_doto == llength(curwp->w_dotp))
ch = '\n';
else
ch = lgetc(curwp->w_dotp, curwp->w_doto);
if (ch == c)
++count;
if (ch == oc)
--count;
backchar(FALSE, 1);
if (boundry(curwp->w_dotp, curwp->w_doto, REVERSE))
break;
}
if (count != 0) { /* no match */
curwp->w_dotp = oldlp;
curwp->w_doto = oldoff;
return linsert(n, c);
}
curwp->w_doto = 0; /* debut de ligne */
/* aller au debut de la ligne apres la tabulation */
while ((ch = lgetc(curwp->w_dotp, curwp->w_doto)) == ' '
|| ch == '\t')
forwchar(FALSE, 1);
/* delete back first */
target = getccol(FALSE); /* c'est l'indent que l'on doit avoir */
curwp->w_dotp = oldlp;
curwp->w_doto = oldoff;
while (target != getccol(FALSE)) {
if (target < getccol(FALSE)) /* on doit detruire des caracteres */
while (getccol(FALSE) > target)
backdel(FALSE, 1);
else { /* on doit en inserer */
while (target - getccol(FALSE) >= 8)
linsert(1, '\t');
linsert(target - getccol(FALSE), ' ');
}
}
/* and insert the required brace(s) */
return linsert(n, c);
}
#else
/*
* insert a brace into the text here...we are in CMODE
*
* int n; repeat count
* int c; brace to insert (always { for now)
*/
int insbrace(int n, int c)
{
int ch; /* last character before input */
int i;
int target; /* column brace should go after */
/* if we are at the beginning of the line, no go */
if (curwp->w_doto == 0)
return linsert(n, c);
/* scan to see if all space before this is white space */
for (i = curwp->w_doto - 1; i >= 0; --i) {
ch = lgetc(curwp->w_dotp, i);
if (ch != ' ' && ch != '\t')
return linsert(n, c);
}
/* delete back first */
target = getccol(FALSE); /* calc where we will delete to */
target -= 1;
target -= target % (tabsize == 0 ? 8 : tabsize);
while (getccol(FALSE) > target)
backdel(FALSE, 1);
/* and insert the required brace(s) */
return linsert(n, c);
}
#endif
int inspound(void)
{ /* insert a # into the text here...we are in CMODE */
int ch; /* last character before input */
int i;
/* if we are at the beginning of the line, no go */
if (curwp->w_doto == 0)
return linsert(1, '#');
/* scan to see if all space before this is white space */
for (i = curwp->w_doto - 1; i >= 0; --i) {
ch = lgetc(curwp->w_dotp, i);
if (ch != ' ' && ch != '\t')
return linsert(1, '#');
}
/* delete back first */
while (getccol(FALSE) >= 1)
backdel(FALSE, 1);
/* and insert the required pound */
return linsert(1, '#');
}
/*
* Delete blank lines around dot. What this command does depends if dot is
* sitting on a blank line. If dot is sitting on a blank line, this command
* deletes all the blank lines above and below the current line. If it is
* sitting on a non blank line then it deletes all of the blank lines after
* the line. Normally this command is bound to "C-X C-O". Any argument is
* ignored.
*/
int deblank(int f, int n)
{
struct line *lp1;
struct line *lp2;
long nld;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
lp1 = curwp->w_dotp;
while (llength(lp1) == 0 && (lp2 = lback(lp1)) != curbp->b_linep)
lp1 = lp2;
lp2 = lp1;
nld = 0;
while ((lp2 = lforw(lp2)) != curbp->b_linep && llength(lp2) == 0)
++nld;
if (nld == 0)
return TRUE;
curwp->w_dotp = lforw(lp1);
curwp->w_doto = 0;
return ldelete(nld, FALSE);
}
/*
* Insert a newline, then enough tabs and spaces to duplicate the indentation
* of the previous line. Assumes tabs are every eight characters. Quite simple.
* Figure out the indentation of the current line. Insert a newline by calling
* the standard routine. Insert the indentation by inserting the right number
* of tabs and spaces. Return TRUE if all ok. Return FALSE if one of the
* subcomands failed. Normally bound to "C-J".
*/
int indent(int f, int n)
{
int nicol;
int c;
int i;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (n < 0)
return FALSE;
while (n--) {
nicol = 0;
for (i = 0; i < llength(curwp->w_dotp); ++i) {
c = lgetc(curwp->w_dotp, i);
if (c != ' ' && c != '\t')
break;
if (c == '\t')
nicol |= tabmask;
++nicol;
}
if (lnewline() == FALSE
|| ((i = nicol / 8) != 0 && linsert(i, '\t') == FALSE)
|| ((i = nicol % 8) != 0 && linsert(i, ' ') == FALSE))
return FALSE;
}
return TRUE;
}
/*
* Delete forward. This is real easy, because the basic delete routine does
* all of the work. Watches for negative arguments, and does the right thing.
* If any argument is present, it kills rather than deletes, to prevent loss
* of text if typed with a big argument. Normally bound to "C-D".
*/
int forwdel(int f, int n)
{
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (n < 0)
return backdel(f, -n);
if (f != FALSE) { /* Really a kill. */
if ((lastflag & CFKILL) == 0)
kdelete();
thisflag |= CFKILL;
}
return ldelchar((long) n, f);
}
/*
* Delete backwards. This is quite easy too, because it's all done with other
* functions. Just move the cursor back, and delete forwards. Like delete
* forward, this actually does a kill if presented with an argument. Bound to
* both "RUBOUT" and "C-H".
*/
int backdel(int f, int n)
{
int s;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if (n < 0)
return forwdel(f, -n);
if (f != FALSE) { /* Really a kill. */
if ((lastflag & CFKILL) == 0)
kdelete();
thisflag |= CFKILL;
}
if ((s = backchar(f, n)) == TRUE)
s = ldelchar(n, f);
return s;
}
/*
* Kill text. If called without an argument, it kills from dot to the end of
* the line, unless it is at the end of the line, when it kills the newline.
* If called with an argument of 0, it kills from the start of the line to dot.
* If called with a positive argument, it kills from dot forward over that
* number of newlines. If called with a negative argument it kills backwards
* that number of newlines. Normally bound to "C-K".
*/
int killtext(int f, int n)
{
struct line *nextp;
long chunk;
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
if ((lastflag & CFKILL) == 0) /* Clear kill buffer if */
kdelete(); /* last wasn't a kill. */
thisflag |= CFKILL;
if (f == FALSE) {
chunk = llength(curwp->w_dotp) - curwp->w_doto;
if (chunk == 0)
chunk = 1;
} else if (n == 0) {
chunk = curwp->w_doto;
curwp->w_doto = 0;
} else if (n > 0) {
chunk = llength(curwp->w_dotp) - curwp->w_doto + 1;
nextp = lforw(curwp->w_dotp);
while (--n) {
if (nextp == curbp->b_linep)
return FALSE;
chunk += llength(nextp) + 1;
nextp = lforw(nextp);
}
} else {
mlwrite("neg kill");
return FALSE;
}
return ldelete(chunk, TRUE);
}
/*
* prompt and set an editor mode
*
* int f, n; default and argument
*/
int setemode(int f, int n)
{
#if PKCODE
return adjustmode(TRUE, FALSE);
#else
adjustmode(TRUE, FALSE);
#endif
}
/*
* prompt and delete an editor mode
*
* int f, n; default and argument
*/
int delmode(int f, int n)
{
#if PKCODE
return adjustmode(FALSE, FALSE);
#else
adjustmode(FALSE, FALSE);
#endif
}
/*
* prompt and set a global editor mode
*
* int f, n; default and argument
*/
int setgmode(int f, int n)
{
#if PKCODE
return adjustmode(TRUE, TRUE);
#else
adjustmode(TRUE, TRUE);
#endif
}
/*
* prompt and delete a global editor mode
*
* int f, n; default and argument
*/
int delgmode(int f, int n)
{
#if PKCODE
return adjustmode(FALSE, TRUE);
#else
adjustmode(FALSE, TRUE);
#endif
}
/*
* change the editor mode status
*
* int kind; true = set, false = delete
* int global; true = global flag, false = current buffer flag
*/
int adjustmode(int kind, int global)
{
char *scan; /* scanning pointer to convert prompt */
int i; /* loop index */
int status; /* error return on input */
#if COLOR
int uflag; /* was modename uppercase? */
#endif
char prompt[50]; /* string to prompt user with */
char cbuf[NPAT]; /* buffer to recieve mode name into */
/* build the proper prompt string */
if (global)
strcpy(prompt, "Global mode to ");
else
strcpy(prompt, "Mode to ");
if (kind == TRUE)
strcat(prompt, "add: ");
else
strcat(prompt, "delete: ");
/* prompt the user and get an answer */
status = mlreply(prompt, cbuf, NPAT - 1);
if (status != TRUE)
return status;
/* make it uppercase */
scan = cbuf;
#if COLOR
uflag = (*scan >= 'A' && *scan <= 'Z');
#endif
while (*scan != 0) {
if (*scan >= 'a' && *scan <= 'z')
*scan = *scan - 32;
scan++;
}
/* test it first against the colors we know */
#if PKCODE & IBMPC
for (i = 0; i <= NCOLORS; i++) {
#else
for (i = 0; i < NCOLORS; i++) {
#endif
if (strcmp(cbuf, cname[i]) == 0) {
/* finding the match, we set the color */
#if COLOR
if (uflag) {
if (global)
gfcolor = i;
#if PKCODE == 0
else
#endif
curwp->w_fcolor = i;
} else {
if (global)
gbcolor = i;
#if PKCODE == 0
else
#endif
curwp->w_bcolor = i;
}
curwp->w_flag |= WFCOLR;
#endif
mlerase();
return TRUE;
}
}
/* test it against the modes we know */
for (i = 0; i < NUMMODES; i++) {
if (strcmp(cbuf, modename[i]) == 0) {
/* finding a match, we process it */
if (kind == TRUE)
if (global)
gmode |= (1 << i);
else
curbp->b_mode |= (1 << i);
else if (global)
gmode &= ~(1 << i);
else
curbp->b_mode &= ~(1 << i);
/* display new mode line */
if (global == 0)
upmode();
mlerase(); /* erase the junk */
return TRUE;
}
}
mlwrite("No such mode!");
return FALSE;
}
/*
* This function simply clears the message line,
* mainly for macro usage
*