#include <u.h>#include <libc.h>#include "fmtdef.h" intvsnprint(char *buf, int len, char *fmt, va_list args){ Fmt f; if(len <= 0) return -1; f.runes = 0; f.start = buf; f.to = buf; f.stop = buf + len - 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 - buf;}
#include <u.h>
#include <libc.h>
#include "fmtdef.h"
int
vsnprint(char *buf, int len, char *fmt, va_list args)
{
Fmt f;
if(len <= 0)
return -1;
f.runes = 0;
f.start = buf;
f.to = buf;
f.stop = buf + len - 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 - buf;
}