static
int local_vsnprintf(char *str, size_t size, const char *fmt, va_list va)
{
int rc;
#if defined _MSC_VER
if (size == 0)
return 1024;
rc = vsnprintf_s (str, size, _TRUNCATE, fmt, va);
if (rc < 0)
rc = size - 1;
#elif defined __MINGW32__
rc = __mingw_vsnprintf (str, size, fmt, va);
#else
rc = vsnprintf (str, size, fmt, va);
#endif
return rc;
}
#define __CRT__NO_INLINE
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
int __mingw_asprintf(char ** __restrict__ ret,
const char * __restrict__ format,
...) {
va_list ap;
int len;
va_start(ap,format);
/* Get Length */
len = __mingw_vsnprintf(NULL,0,format,ap);
if (len < 0) goto _end;
/* +1 for \0 terminator. */
*ret = malloc(len + 1);
/* Check malloc fail*/
if (!*ret) {
len = -1;
goto _end;
}
/* Write String */
__mingw_vsnprintf(*ret,len+1,format,ap);
/* Terminate explicitly */
(*ret)[len] = '\0';
_end:
va_end(ap);
return len;
}
