47 lines
777 B
C
47 lines
777 B
C
#include <u.h>
|
|
#include <libc.h>
|
|
#include "fmtdef.h"
|
|
|
|
/* format the output into f->to and return the number of characters fmted */
|
|
|
|
int
|
|
dorfmt(Fmt *f, Rune *fmt)
|
|
{
|
|
Rune *rt, *rs;
|
|
int r;
|
|
char *t, *s;
|
|
int nfmt;
|
|
|
|
nfmt = f->nfmt;
|
|
for(;;){
|
|
if(f->runes){
|
|
rt = f->to;
|
|
rs = f->stop;
|
|
while((r = *fmt++) && r != '%'){
|
|
FMTRCHAR(f, rt, rs, r);
|
|
}
|
|
f->nfmt += rt - (Rune *)f->to;
|
|
f->to = rt;
|
|
if(!r)
|
|
return f->nfmt - nfmt;
|
|
f->stop = rs;
|
|
}else{
|
|
t = f->to;
|
|
s = f->stop;
|
|
while((r = *fmt++) && r != '%'){
|
|
FMTRUNE(f, t, f->stop, r);
|
|
}
|
|
f->nfmt += t - (char *)f->to;
|
|
f->to = t;
|
|
if(!r)
|
|
return f->nfmt - nfmt;
|
|
f->stop = s;
|
|
}
|
|
|
|
fmt = _fmtdispatch(f, fmt, 1);
|
|
if(fmt == nil)
|
|
return -1;
|
|
}
|
|
return 0; /* not reached */
|
|
}
|