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/**
* APISUPPORT CFLAGS: NONPOSIX_SETGROUPS
*/
/*
* There is no setgroups() in the POSIX standard, so if we want to drop
* supplementary groups, we need to use platform-specific code. This must
* happen before the regular includes, as in some cases we need to define other
* symbols before including the relevant header.
*/
#if defined(__linux__)
/* setgroups() includes for Linux. */
#define _BSD_SOURCE 1
#define _DEFAULT_SOURCE 1
#include <grp.h>
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__)
/* setgroups() includes for FreeBSD, NetBSD, MacOS X. */
#include <sys/param.h>
#include <unistd.h>
#elif defined(__OpenBSD__) || defined(__osf__)
/* setgroups() includes for OpenBSD. */
#include <sys/types.h>
#include <unistd.h>
#elif defined(__sun) || defined(__hpux)
/* setgroups() includes for Solaris. */
#include <unistd.h>
#elif defined(_AIX)
/* setgroups() includes for AIX. */
#include <grp.h>
#else
/* Unknown OS; we don't know how to get setgroups(). */
#define NO_SETGROUPS
#endif /* end includes for setgroups() */
#include <stddef.h>
#include "setgroups_none.h"
/**
* setgroups_none(void):
* Attempt to leave all supplementary groups. If we do not know how to do this
* on the platform, return 0 anyway.
*/
int
setgroups_none(void)
{
#ifdef NO_SETGROUPS
/* Not supported. */
return (0);
#else
/* Attempt to leave all supplementary groups. */
return (setgroups(0, NULL));
#endif
}
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