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#ifndef __vasprintf_compat_h
#define __vasprintf_compat_h
/**
* @file
* @brief Do not use, json-c internal, may be changed or removed at any time.
*/
#include "snprintf_compat.h"
#ifndef WIN32
#include <stdarg.h>
#endif /* !defined(WIN32) */
#include <stdint.h>
#include <stdlib.h>
#if !defined(HAVE_VASPRINTF)
/* CAW: compliant version of vasprintf */
static int vasprintf(char **buf, const char *fmt, va_list ap)
{
#ifndef WIN32
static char _T_emptybuffer = '\0';
va_list ap2;
#endif /* !defined(WIN32) */
int chars;
char *b;
if (!buf)
{
return -1;
}
#ifdef WIN32
chars = _vscprintf(fmt, ap);
#else /* !defined(WIN32) */
/* CAW: RAWR! We have to hope to god here that vsnprintf doesn't overwrite
* our buffer like on some 64bit sun systems... but hey, it's time to move on
*/
va_copy(ap2, ap);
chars = vsnprintf(&_T_emptybuffer, 0, fmt, ap2);
va_end(ap2);
#endif /* defined(WIN32) */
if (chars < 0 || (size_t)chars + 1 > SIZE_MAX / sizeof(char))
{
return -1;
}
b = (char *)malloc(sizeof(char) * ((size_t)chars + 1));
if (!b)
{
return -1;
}
if ((chars = vsprintf(b, fmt, ap)) < 0)
{
free(b);
}
else
{
*buf = b;
}
return chars;
}
#endif /* !HAVE_VASPRINTF */
#endif /* __vasprintf_compat_h */
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