git: drawterm

ref: 4d5e1e798e2051b8e42e9f4841262dddf673e21e
dir: /libc/vseprint.c/

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#include <u.h>
#include <libc.h>
#include "fmtdef.h"

char*
vseprint(char *buf, char *e, char *fmt, va_list args)
{
	Fmt f;

	if(e <= buf)
		return nil;
	f.runes = 0;
	f.start = buf;
	f.to = buf;
	f.stop = e - 1;
	f.flush = 0;
	f.farg = nil;
	f.nfmt = 0;
	VA_COPY(f.args,args);
	dofmt(&f, fmt);
	VA_END(f.args);
	*(char*)f.to = '\0';
	return (char*)f.to;
}