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- /*
- * setregid.c --
- *
- * Source code for the setregid library procedure.
- *
- * Copyright 1988 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/setregid.c,v 1.1 88/11/17 13:30:50 ouster Exp $ SPRITE (Berkeley)";
- #endif not lint
-
- #include <sprite.h>
- #include <proc.h>
- #include "compatInt.h"
-
- /*
- *----------------------------------------------------------------------
- *
- * setregid --
- *
- * Procedure to map from Unix setregid system call to Sprite Proc_SetIDs.
- * Sprite doesn't have the notion of real and effective groud IDs;
- * instead, both gid arguments become the set of Sprite group IDs for
- * current process.
- *
- * Results:
- * UNIX_SUCCESS - the call was successful.
- * UNIX_ERROR - the call was not successful.
- * The actual error code stored in errno.
- *
- * Side effects:
- * The previous group IDs are deleted.
- *
- *----------------------------------------------------------------------
- */
-
- int
- setregid(rgid, egid)
- int rgid, egid;
- {
- ReturnStatus status = SUCCESS;
- int array[2];
- int num = 0;
-
- /*
- * Make the rgid and egid the group IDs for the process. If a gid is
- * -1, it is ignored.
- */
-
- if (rgid != -1) {
- array[0] = rgid;
- num = 1;
- if (egid != rgid && egid != -1) {
- array[1] = egid;
- num++;
- }
- } else if (egid != -1) {
- array[0] = egid;
- num++;
- }
- if (num > 0) {
- status = Proc_SetGroupIDs(num, array);
- }
-
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- return(UNIX_SUCCESS);
- }
- }
-