#define _GNU_SOURCE

#include <unistd.h>

#include <sys/types.h>

#include <grp.h>

#include "err_ref.h"

#include "cli-sub.h"

/* --- */

int switch_run_group( char *new_group)

{

int rc = RC_NORMAL, sysrc;

struct group *gr = 0;

uid_t my_gid, my_egid, new_gid;

/* --- */

my_gid = getgid();

my_egid = getegid();

gr = getgrnam( new_group);

if( !gr) rc = ERR_SYS_CALL;

else

{

new_gid = gr->gr_gid;

if( my_gid != new_gid || my_egid != new_gid)

{

#ifdef __APPLE__

sysrc = setgid( new_gid);

#else

sysrc = setresgid( new_gid, new_gid, new_gid);

#endif

if( sysrc) rc = ERR_SYS_CALL;

}

}

/* --- */

return( rc);

}