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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "asprintf.h"
/* Implementation of asprintf() */
int
asprintf(char **restrict strp, const char *restrict fmt,... )
{
va_list args;
int size = 0;
va_start(args,fmt);
va_end(args);
return size = vasprintf(strp,fmt,args);
}
int
vasprintf(char **restrict strp, const char *restrict fmt,
va_list ap)
{
va_list args;
va_copy(args,ap);
int size = vsnprintf(NULL,0,fmt,args);
/* if negative number is returned return error */
if (size < 0)
return -1;
*strp = (char*)malloc(size + 1);
if(*strp == NULL)
return -1;
va_end(args);
return size = vsprintf(*strp,fmt,ap);
}
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