drawterm/libc/fmtprint.c

34 lines
510 B
C

#include <u.h>
#include <libc.h>
#include "fmtdef.h"
/*
* format a string into the output buffer
* designed for formats which themselves call fmt,
* but ignore any width flags
*/
int
fmtprint(Fmt *f, char *fmt, ...)
{
va_list va;
int n;
f->flags = 0;
f->width = 0;
f->prec = 0;
VA_COPY(va, f->args);
VA_END(f->args);
va_start(f->args, fmt);
n = dofmt(f, fmt);
va_end(f->args);
f->flags = 0;
f->width = 0;
f->prec = 0;
VA_COPY(f->args,va);
VA_END(va);
if(n >= 0)
return 0;
return n;
}