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Bindable functions take a boolean as flag.

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Emphasize which one always return TRUE.
Use mloutfail() to introduce consistency when a function fails with error message.
This commit is contained in:
Renaud
2021-08-11 17:02:19 +08:00
parent 665d9ca1da
commit 50b727bf7f
31 changed files with 1593 additions and 1789 deletions
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50
display.c
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@@ -1,17 +1,14 @@
/* display.c -- implements display.h */
#include "display.h"
#define REVSTA 1 /* Status line appears in reverse video */
/* display.c
*
* The functions in this file handle redisplay. There are two halves, the
* ones that update the virtual display screen, and the ones that make the
* physical display screen the same as the virtual display screen. These
* functions use hints that are left in the windows by the commands.
*
* Modified by Petri Kutvonen
/* The functions in this file handle redisplay. There are two halves, the
ones that update the virtual display screen, and the ones that make the
physical display screen the same as the virtual display screen. These
functions use hints that are left in the windows by the commands.
Modified by Petri Kutvonen
*/
#include <errno.h>
@@ -251,40 +248,37 @@ static void vteeol( void) {
vcp[ vtcol++] = ' ' ;
}
/*
* upscreen:
/* upscreen:
* user routine to force a screen update
* always finishes complete update
*/
int upscreen(int f, int n)
{
update(TRUE);
return TRUE;
BINDABLE( upscreen) {
update( TRUE) ;
return TRUE ;
}
#if SCROLLCODE
static int scrflags;
#endif
/*
* Make sure that the display is right. This is a three part process. First,
* scan through all of the windows looking for dirty ones. Check the framing,
* and refresh the screen. Second, make sure that "currow" and "curcol" are
* correct for the current window. Third, make the virtual and physical
* screens the same.
*
* int force; force update past type ahead?
/* Make sure that the display is right. This is a three part process.
First, scan through all of the windows looking for dirty ones. Check
the framing, and refresh the screen. Second, make sure that "currow"
and "curcol" are correct for the current window. Third, make the
virtual and physical screens the same.
boolean force_f ; force update past type ahead?
*/
int update(int force)
{
int update( boolean force_f) {
struct window *wp;
#if TYPEAH && ! PKCODE
if (force == FALSE && typahead())
if( force_f == FALSE && typahead())
return TRUE;
#endif
#if VISMAC == 0
if (force == FALSE && kbdmode == PLAY)
if( force_f == FALSE && kbdmode == PLAY)
return TRUE;
#endif
@@ -359,7 +353,7 @@ int update(int force)
updgar();
/* update the virtual screen to the physical screen */
updupd(force);
updupd( force_f) ;
/* update the cursor and flush the buffers */
movecursor(currow, curcol - lbound);