vsprintf

int

vsprintf(char *str, const char *fmt, __va_list ap)

#include <stdio.h>
#include <string.h>
#include <limits.h>
#include "local.h"

#if defined(APIWARN)
__warn_references(vsprintf,
    "warning: vsprintf() is often misused, please use vsnprintf()");
#endif

int
vsprintf(char *str, const char *fmt, __va_list ap)
{
	int ret;
	FILE f;
	struct __sfileext fext;

	_FILEEXT_SETUP(&f, &fext);
	f._file = -1;
	f._flags = __SWR | __SSTR;
	f._bf._base = f._p = (unsigned char *)str;
	f._bf._size = f._w = INT_MAX;
	ret = vfprintf(&f, fmt, ap);
	*f._p = '\0';
	return (ret);
}