17 lines
442 B
C
Executable file
17 lines
442 B
C
Executable file
#include <lib.h>
|
|
#define geteuid _geteuid
|
|
#include <unistd.h>
|
|
|
|
PUBLIC uid_t geteuid()
|
|
{
|
|
message m;
|
|
|
|
/* POSIX says that this function is always successful and that no
|
|
* return value is reserved to indicate an error. Minix syscalls
|
|
* are not always successful and Minix returns the unreserved value
|
|
* (uid_t) -1 when there is an error.
|
|
*/
|
|
if (_syscall(MM, GETUID, &m) < 0) return ( (uid_t) -1);
|
|
return( (uid_t) m.m2_i1);
|
|
}
|