/*
* vasprintf.c
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
int vasprintf(char **bufp, const char *format, va_list ap)
{
va_list ap1;
int bytes;
char *p;
va_copy(ap1, ap);
bytes = vsnprintf(NULL, 0, format, ap1) + 1;
va_end(ap1);
*bufp = p = malloc(bytes);
if (!p)
return -1;
return vsnprintf(p, bytes, format, ap);
}