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Avoid unnecessary sprintf & buffers when updating message or status line.

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This commit is contained in:
Renaud 2015-02-15 16:10:44 +08:00
parent c10c550bdd
commit 2b8992350d
3 changed files with 33 additions and 28 deletions
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16
display.c
View File

@ -1246,7 +1246,7 @@ static void modeline(struct window *wp)
}
if (!msg) {
struct line *lp;
int numlines, predlines, ratio;
int numlines, predlines ;
lp = lforw(bp->b_linep);
numlines = 0;
@ -1261,13 +1261,23 @@ static void modeline(struct window *wp)
if (wp->w_dotp == bp->b_linep) {
msg = " Bot ";
} else {
ratio = 0;
int ratio = 0 ;
if (numlines != 0)
ratio =
(100L * predlines) / numlines;
if (ratio > 99)
ratio = 99;
sprintf(tline, " %2d%% ", ratio);
tline[ 0] = ' ' ;
tline[ 1] = ratio / 10 + '0' ;
tline[ 2] = ratio % 10 + '0' ;
tline[ 3] = '%' ;
tline[ 4] = ' ' ;
tline[ 5] = 0 ;
if( tline[ 1] == '0')
tline[ 1] = ' ' ;
msg = tline;
}
}

16
eval.c
View File

@ -816,19 +816,15 @@ static void mlforce( char *s) ;
#if DEBUGM
int mdbugout( char *fmt, char *s1, char *s2, char *s3) {
char outline[ NSTRING] ; /* global string to hold debug line text */
int c, size ; /* input from kbd, output to terminal */
/* insure debug info fits in terminal and buffer width */
size = term.t_ncol + 1 ;
if( size > sizeof outline)
size = sizeof outline ;
int c ; /* input from kbd, output to terminal */
int savediscmd ;
/* assignment status ; variable name ; value we tried to assign */
snprintf( outline, size, fmt, s1, s2, s3) ;
/* write out the debug line */
mlforce( outline) ;
savediscmd = discmd ;
discmd = TRUE ;
mlwrite( fmt, s1, s2, s3) ;
discmd = savediscmd ;
update( TRUE) ;
/* and get the keystroke to hold the output */

23
file.c
View File

@ -655,7 +655,7 @@ int ifile( const char *fname)
int s;
int nbytes;
int nline;
char mesg[NSTRING];
char *errmsg ;
bp = curbp; /* Cheap. */
bp->b_flag |= BFCHG; /* we have changed */
@ -702,20 +702,19 @@ int ifile( const char *fname)
}
ffclose(); /* Ignore errors. */
curwp->w_markp = lforw(curwp->w_markp);
strcpy(mesg, "(");
if( s == FIOERR) {
strcat(mesg, "I/O ERROR, ");
errmsg = "I/O ERROR, " ;
curbp->b_flag |= BFTRUNC ;
}
if (s == FIOMEM) {
strcat(mesg, "OUT OF MEMORY, ");
} else if( s == FIOMEM) {
errmsg = "OUT OF MEMORY, " ;
curbp->b_flag |= BFTRUNC;
}
sprintf(&mesg[strlen(mesg)], "Inserted %d line", nline);
if (nline > 1)
strcat(mesg, "s");
strcat(mesg, ")");
mloutstr( mesg);
} else
errmsg = "" ;
mloutfmt( "(%sInserted %d line%s)",
errmsg,
nline,
(nline > 1) ? "s" : "") ;
out:
/* advance to the next line and mark the window for changes */